diff --git a/ci-scripts/main.py b/ci-scripts/main.py
index e29eb2b4ba7915e80b79851615e7d35eb152e370..115efa4253f472dec0a65bb17bd051a002d831e1 100644
--- a/ci-scripts/main.py
+++ b/ci-scripts/main.py
@@ -1,4 +1,3 @@
-# dummy commit
 #/*
 # * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 # * contributor license agreements.  See the NOTICE file distributed with
@@ -337,7 +336,7 @@ class SSHConnection():
 		self.command('mkdir -p log', '\$', 5)
 		self.command('chmod 777 log', '\$', 5)
 		# no need to remove in log (git clean did the trick)
-		self.command('stdbuf -o0 ./build_oai ' + self.Build_eNB_args + ' 2>&1 | stdbuf -o0 tee -a compile_oai_enb.log', 'Bypassing the Tests', 600)
+		self.command('stdbuf -o0 ./build_oai ' + self.Build_eNB_args + ' 2>&1 | stdbuf -o0 tee -a compile_oai_enb.log', 'Bypassing the Tests|build have failed', 600)
 		self.command('mkdir -p build_log_' + self.testCase_id, '\$', 5)
 		self.command('mv log/* ' + 'build_log_' + self.testCase_id, '\$', 5)
 		self.command('mv compile_oai_enb.log ' + 'build_log_' + self.testCase_id, '\$', 5)
@@ -599,6 +598,10 @@ class SSHConnection():
 		if self.UEIPAddress == '' or self.UEUserName == '' or self.UEPassword == '' or self.UESourceCodePath == '':
 			Usage()
 			sys.exit('Insufficient Parameter')
+		if self.air_interface == 'lte':
+			UE_prefix = ''
+		else:
+			UE_prefix = 'NR '
 		#initialize_OAI_UE_flag = True
 		#pStatus = self.CheckOAIUEProcessExist(initialize_OAI_UE_flag)
 		#if (pStatus < 0):
@@ -608,7 +611,7 @@ class SSHConnection():
 		self.open(self.UEIPAddress, self.UEUserName, self.UEPassword)
 		# b2xx_fx3_utils reset procedure
 		self.command('echo ' + self.UEPassword + ' | sudo -S uhd_find_devices', '\$', 30)
-		result = re.search('type: n3xx', str(self.ssh.before))
+		result = re.search('type: b200', str(self.ssh.before))
 		if result is not None:
 			pass
 			logging.debug('Found a B2xx device --> resetting it')
@@ -624,10 +627,6 @@ class SSHConnection():
 		self.command('echo "ulimit -c unlimited && ./'+ self.air_interface +'-uesoftmodem ' + self.Initialize_OAI_UE_args + '" > ./my-lte-uesoftmodem-run' + str(self.UE_instance) + '.sh', '\$', 5)
 		self.command('chmod 775 ./my-lte-uesoftmodem-run' + str(self.UE_instance) + '.sh', '\$', 5)
 		self.command('echo ' + self.UEPassword + ' | sudo -S rm -Rf ' + self.UESourceCodePath + '/cmake_targets/ue_' + self.testCase_id + '.log', '\$', 5)
-		#to use daemon on CentOS we need to source the function
-		#linux_distro = platform.linux_distribution()[0]		
-		#if re.match('(.*)CentOS(.*)', linux_distro, re.IGNORECASE):
-			#self.command('source /etc/init.d/functions', '\$', 5)
 		#use nohup instead of daemon
 		self.command('echo $USER; nohup sudo ./my-lte-uesoftmodem-run' + str(self.UE_instance) + '.sh' + ' > ' + self.UESourceCodePath + '/cmake_targets/ue_' + self.testCase_id + '.log ' + ' 2>&1 &', self.UEUserName, 5)
 		#self.command('echo ' + self.UEPassword + ' | sudo -S -E daemon --inherit --unsafe --name=ue' + str(self.UE_instance) + '_daemon --chdir=' + self.UESourceCodePath + '/cmake_targets/ran_build/build -o ' + self.UESourceCodePath + '/cmake_targets/ue_' + self.testCase_id + '.log ./my-lte-uesoftmodem-run' + str(self.UE_instance) + '.sh', '\$', 5)
@@ -641,7 +640,7 @@ class SSHConnection():
 			if (loopCounter == 0):
 				self.close()
 				doLoop = False
-				logging.error('\u001B[1;37;41m UE logging system did not show got sync! \u001B[0m')
+				logging.error('\u001B[1;37;41m ' + UE_prefix + 'UE logging system did not show got sync! \u001B[0m')
 				self.CreateHtmlTestRow(self.Initialize_OAI_UE_args, 'KO', ALL_PROCESSES_OK, 'OAI UE')
 				self.CreateHtmlTabFooter(False)
 				sys.exit(1)
@@ -656,7 +655,7 @@ class SSHConnection():
 				else:
 					doLoop = False
 					self.CreateHtmlTestRow(self.Initialize_OAI_UE_args, 'OK', ALL_PROCESSES_OK, 'OAI UE')
-					logging.debug('\u001B[1m Initialize OAI UE Completed\u001B[0m')
+					logging.debug('\u001B[1m Initialize OAI ' + UE_prefix + 'UE Completed\u001B[0m')
 		self.close()
 
 	def InitializeOAIeNB(self):
@@ -671,6 +670,10 @@ class SSHConnection():
 		#	sys.exit(1)
 		self.open(self.eNBIPAddress, self.eNBUserName, self.eNBPassword)
 		self.command('cd ' + self.eNBSourceCodePath, '\$', 5)
+		if self.air_interface == 'lte':
+			nodeB_prefix = 'e'
+		else:
+			nodeB_prefix = 'g'
 		# Initialize_OAI_eNB_args usually start with -C and followed by the location in repository
 		#full_config_file = self.Initialize_OAI_eNB_args.replace('-O ','')
 		#extIdx = full_config_file.find('.conf')
@@ -702,10 +705,6 @@ class SSHConnection():
 		self.command('echo "ulimit -c unlimited && ./' + self.air_interface + '-softmodem ' + self.Initialize_OAI_eNB_args + '|& tee ' + self.eNBSourceCodePath + '/cmake_targets/' + self.eNBLogFile + '" > ./my-lte-softmodem-run' + str(self.eNB_instance) + '.sh', '\$', 5)
 		self.command('chmod 775 ./my-lte-softmodem-run' + str(self.eNB_instance) + '.sh', '\$', 5)
 		self.command('echo ' + self.eNBPassword + ' | sudo -S rm -Rf ' + self.eNBSourceCodePath + '/cmake_targets/enb_' + self.testCase_id + '.log', '\$', 5)
-		#to use daemon on CentOS we need to source the function
-		#linux_distro = platform.linux_distribution()[0]		
-		#if re.match('(.*)CentOS(.*)', linux_distro, re.IGNORECASE):
-			#self.command('source /etc/init.d/functions', '\$', 5)
 		#use nohup instead of daemon
 		self.command('echo $USER; nohup sudo ./my-lte-softmodem-run' + str(self.eNB_instance) + '.sh' + ' > ' + self.eNBSourceCodePath + '/cmake_targets/enb_' + self.testCase_id + '.log' + ' 2>&1 &', self.eNBUserName, 5)
 		#self.command('echo ' + self.eNBPassword + ' | sudo -S -E daemon --inherit --unsafe --name=enb' + str(self.eNB_instance) + '_daemon --chdir=' + self.eNBSourceCodePath + '/cmake_targets/ran_build/build -o ' + self.eNBSourceCodePath + '/cmake_targets/enb_' + self.testCase_id + '.log ./my-lte-softmodem-run' + str(self.eNB_instance) + '.sh', '\$', 5)
@@ -713,7 +712,6 @@ class SSHConnection():
 		self.command('cd ../..', '\$', 5)
 		doLoop = True
 		loopCounter = 10
-		print('gNB log file: ' + self.eNBLogFile)
 		while (doLoop):
 			loopCounter = loopCounter - 1
 			if (loopCounter == 0):
@@ -723,7 +721,7 @@ class SSHConnection():
 				#	self.command('killall --signal SIGKILL record', '\$', 5)
 				self.close()
 				doLoop = False
-				logging.error('\u001B[1;37;41m eNB logging system did not show got sync! \u001B[0m')
+				logging.error('\u001B[1;37;41m ' + nodeB_prefix + 'NB logging system did not show got sync! \u001B[0m')
 				self.CreateHtmlTestRow(self.Initialize_OAI_eNB_args, 'KO', ALL_PROCESSES_OK, 'OAI eNB')
 				self.CreateHtmlTabFooter(False)
 				## In case of T tracer recording, we need to kill tshark on EPC side
@@ -740,18 +738,14 @@ class SSHConnection():
 				#		self.copyout(self.eNBIPAddress, self.eNBUserName, self.eNBPassword, pcap_log_file, self.eNBSourceCodePath + '/cmake_targets/.')
 				sys.exit(1)
 			else:
-				#print('current directory: ' + os.getcwd())
-				#self.command('pwd', '\$', 4)
-				#print('self.command pwd: ' + str(self.ssh.before))
 				self.command('stdbuf -o0 cat ' + self.eNBLogFile + ' | egrep --text --color=never -i "wait|sync"', '\$', 30)
-				#print(self.ssh.before)
 				result = re.search('got sync', str(self.ssh.before))
 				if result is None:
 					time.sleep(11)
 				else:
 					doLoop = False
 					self.CreateHtmlTestRow(self.Initialize_OAI_eNB_args, 'OK', ALL_PROCESSES_OK, 'OAI eNB')
-					logging.debug('\u001B[1m Initialize OAI eNB Completed\u001B[0m')
+					logging.debug('\u001B[1m Initialize OAI ' + nodeB_prefix + 'NB Completed\u001B[0m')
 		self.close()
 
 	def checkDevTTYisUnlocked(self):
@@ -2091,38 +2085,42 @@ class SSHConnection():
 				rachCanceledProcedure += 1
 		enb_log_file.close()
 		self.htmleNBFailureMsg = ''
+		if self.air_interface == 'lte':
+			nodeB_prefix = 'e'
+		else:
+			nodeB_prefix = 'g'
 		if uciStatMsgCount > 0:
-			statMsg = 'eNB showed ' + str(uciStatMsgCount) + ' "uci->stat" message(s)'
+			statMsg = nodeB_prefix + 'NB showed ' + str(uciStatMsgCount) + ' "uci->stat" message(s)'
 			logging.debug('\u001B[1;30;43m ' + statMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += statMsg + '\n'
 		if pdcpFailure > 0:
-			statMsg = 'eNB showed ' + str(pdcpFailure) + ' "PDCP Out of Resources" message(s)'
+			statMsg = nodeB_prefix + 'NB showed ' + str(pdcpFailure) + ' "PDCP Out of Resources" message(s)'
 			logging.debug('\u001B[1;30;43m ' + statMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += statMsg + '\n'
 		if ulschFailure > 0:
-			statMsg = 'eNB showed ' + str(ulschFailure) + ' "ULSCH in error in round" message(s)'
+			statMsg = nodeB_prefix + 'NB showed ' + str(ulschFailure) + ' "ULSCH in error in round" message(s)'
 			logging.debug('\u001B[1;30;43m ' + statMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += statMsg + '\n'
 		if rrcSetupRequest > 0 or rrcSetupComplete > 0:
-			rrcMsg = 'eNB requested ' + str(rrcSetupRequest) + ' RRC Connection Setup(s)'
+			rrcMsg = nodeB_prefix + 'NB requested ' + str(rrcSetupRequest) + ' RRC Connection Setup(s)'
 			logging.debug('\u001B[1;30;43m ' + rrcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rrcMsg + '\n'
 			rrcMsg = ' -- ' + str(rrcSetupComplete) + ' were completed'
 			logging.debug('\u001B[1;30;43m ' + rrcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rrcMsg + '\n'
 		if rrcReleaseRequest > 0:
-			rrcMsg = 'eNB requested ' + str(rrcReleaseRequest) + ' RRC Connection Release(s)'
+			rrcMsg = nodeB_prefix + 'NB requested ' + str(rrcReleaseRequest) + ' RRC Connection Release(s)'
 			logging.debug('\u001B[1;30;43m ' + rrcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rrcMsg + '\n'
 		if rrcReconfigRequest > 0 or rrcReconfigComplete > 0:
-			rrcMsg = 'eNB requested ' + str(rrcReconfigRequest) + ' RRC Connection Reconfiguration(s)'
+			rrcMsg = nodeB_prefix + 'NB requested ' + str(rrcReconfigRequest) + ' RRC Connection Reconfiguration(s)'
 			logging.debug('\u001B[1;30;43m ' + rrcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rrcMsg + '\n'
 			rrcMsg = ' -- ' + str(rrcReconfigComplete) + ' were completed'
 			logging.debug('\u001B[1;30;43m ' + rrcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rrcMsg + '\n'
 		if rrcReestablishRequest > 0 or rrcReestablishComplete > 0 or rrcReestablishReject > 0:
-			rrcMsg = 'eNB requested ' + str(rrcReestablishRequest) + ' RRC Connection Reestablishment(s)'
+			rrcMsg = nodeB_prefix + 'NB requested ' + str(rrcReestablishRequest) + ' RRC Connection Reestablishment(s)'
 			logging.debug('\u001B[1;30;43m ' + rrcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rrcMsg + '\n'
 			rrcMsg = ' -- ' + str(rrcReestablishComplete) + ' were completed'
@@ -2132,22 +2130,22 @@ class SSHConnection():
 			logging.debug('\u001B[1;30;43m ' + rrcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rrcMsg + '\n'
 		if rachCanceledProcedure > 0:
-			rachMsg = 'eNB cancelled ' + str(rachCanceledProcedure) + ' RA procedure(s)'
+			rachMsg = nodeB_prefix + 'NB cancelled ' + str(rachCanceledProcedure) + ' RA procedure(s)'
 			logging.debug('\u001B[1;30;43m ' + rachMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rachMsg + '\n'
 		if foundSegFault:
-			logging.debug('\u001B[1;37;41m eNB ended with a Segmentation Fault! \u001B[0m')
+			logging.debug('\u001B[1;37;41m ' + nodeB_prefix + 'NB ended with a Segmentation Fault! \u001B[0m')
 			return ENB_PROCESS_SEG_FAULT
 		if foundAssertion:
-			logging.debug('\u001B[1;37;41m eNB ended with an assertion! \u001B[0m')
+			logging.debug('\u001B[1;37;41m ' + nodeB_prefix + 'NB ended with an assertion! \u001B[0m')
 			self.htmleNBFailureMsg += msgAssertion
 			return ENB_PROCESS_ASSERTION
 		if foundRealTimeIssue:
-			logging.debug('\u001B[1;37;41m eNB faced real time issues! \u001B[0m')
-			self.htmleNBFailureMsg += 'eNB faced real time issues!\n'
+			logging.debug('\u001B[1;37;41m ' + nodeB_prefix + 'NB faced real time issues! \u001B[0m')
+			self.htmleNBFailureMsg += nodeB_prefix + 'NB faced real time issues!\n'
 			#return ENB_PROCESS_REALTIME_ISSUE
 		if rlcDiscardBuffer > 0:
-			rlcMsg = 'eNB RLC discarded ' + str(rlcDiscardBuffer) + ' buffer(s)'
+			rlcMsg = nodeB_prefix + 'NB RLC discarded ' + str(rlcDiscardBuffer) + ' buffer(s)'
 			logging.debug('\u001B[1;37;41m ' + rlcMsg + ' \u001B[0m')
 			self.htmleNBFailureMsg += rlcMsg + '\n'
 			return ENB_PROCESS_REALTIME_ISSUE
@@ -2306,10 +2304,10 @@ class SSHConnection():
 	def TerminateeNB(self):
 		self.open(self.eNBIPAddress, self.eNBUserName, self.eNBPassword)
 		self.command('cd ' + self.eNBSourceCodePath + '/cmake_targets', '\$', 5)
-		#to use daemon on CentOS we need to source the function
-		#linux_distro = platform.linux_distribution()[0]		
-		#if re.match('(.*)CentOS(.*)', linux_distro, re.IGNORECASE):
-			#self.command('source /etc/init.d/functions', '\$', 5)
+		if self.air_interface == 'lte':
+			nodeB_prefix = 'e'
+		else:
+			nodeB_prefix = 'g'
 		#use nohup instead of daemon
 		self.command('echo ' + self.eNBPassword + ' | sudo -S daemon --name=enb' + str(self.eNB_instance) + '_daemon --stop', '\$', 5)
 		self.command('rm -f my-lte-softmodem-run' + str(self.eNB_instance) + '.sh', '\$', 5)
@@ -2354,12 +2352,12 @@ class SSHConnection():
 			if result is not None:
 				copyin_res = self.copyin(self.eNBIPAddress, self.eNBUserName, self.eNBPassword, self.eNBSourceCodePath + '/cmake_targets/' + self.eNBLogFile, '.')
 				if (copyin_res == -1):
-					logging.debug('\u001B[1;37;41m Could not copy eNB logfile to analyze it! \u001B[0m')
-					self.htmleNBFailureMsg = 'Could not copy eNB logfile to analyze it!'
+					logging.debug('\u001B[1;37;41m Could not copy ' + nodeB_prefix + 'NB logfile to analyze it! \u001B[0m')
+					self.htmleNBFailureMsg = 'Could not copy ' + nodeB_prefix + 'NB logfile to analyze it!'
 					self.CreateHtmlTestRow('N/A', 'KO', ENB_PROCESS_NOLOGFILE_TO_ANALYZE)
 					self.eNBLogFile = ''
 					return
-				logging.debug('\u001B[1m Analyzing eNB logfile \u001B[0m')
+				logging.debug('\u001B[1m Analyzing ' + nodeB_prefix + 'NB logfile \u001B[0m')
 				logStatus = self.AnalyzeLogFile_eNB(self.eNBLogFile)
 				if (logStatus < 0):
 					self.CreateHtmlTestRow('N/A', 'KO', logStatus)
@@ -2485,16 +2483,16 @@ class SSHConnection():
 				optionsMsg += self.htmlUEFailureMsg
 				optionsMsg += '</pre>'
 				self.CreateHtmlTestRow(optionsMsg, 'KO', logStatus, 'UE')
-				self.CreateHtmlTabFooter(False)
-				sys.exit(1)
+				# for NR-UE at the moment keep running 
+				if self.air_interface == 'lte':
+					self.CreateHtmlTabFooter(False)
+					sys.exit(1)
 			else:
 				optionsMsg = '<pre style="background-color:white"><b>Sniffing Successful</b>\n'
 				optionsMsg += self.htmlUEFailureMsg
 				optionsMsg += '</pre>'
 				self.CreateHtmlTestRow(optionsMsg, 'OK', ALL_PROCESSES_OK)
 			self.UELogFile = ''
-		else:
-			self.CreateHtmlTestRow('<pre style="background-color:white">No Log File to analyze</pre>', 'OK', ALL_PROCESSES_OK)
 
 	def AutoTerminateUEandeNB(self):
 		self.testCase_id = 'AUTO-KILL-UE'
@@ -2818,9 +2816,7 @@ class SSHConnection():
 					self.GetAllUEDevices(terminate_ue_flag)
 					self.GetAllCatMDevices(terminate_ue_flag)
 				else:
-					self.UEDevices.append('doughq9rehg')
-					self.UEDevices.append('dnsgiuahgia')
-					self.UEDevices.append('uehgieng9')
+					self.UEDevices.append('OAI-UE')
 				self.htmlUEConnected = len(self.UEDevices)
 
 			i = 0
@@ -3340,7 +3336,7 @@ elif re.match('^TesteNB$', mode, re.IGNORECASE) or re.match('^TestUE$', mode, re
 		elif SSH.EPCIPAddress == '' or SSH.EPCUserName == '' or SSH.EPCPassword == '' or SSH.EPCType == '' or SSH.EPCSourceCodePath == '' or SSH.ADBIPAddress == '' or SSH.ADBUserName == '' or SSH.ADBPassword == '':
 			Usage()
 			sys.exit('Insufficient Parameter')
-		if (SSH.EPCIPAddress != ''):
+		if (SSH.EPCIPAddress != '') and (SSH.EPCIPAddress != 'none'):
 			SSH.copyout(SSH.EPCIPAddress, SSH.EPCUserName, SSH.EPCPassword, cwd + "/tcp_iperf_stats.awk", "/tmp")
 			SSH.copyout(SSH.EPCIPAddress, SSH.EPCUserName, SSH.EPCPassword, cwd + "/active_net_interfaces.awk", "/tmp")
 	else:
diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index c491438f3e7f95d5e15323252d580e1c729def8b..361b1590f6afbc513ee34938a33e814cb99daa85 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -1302,7 +1302,7 @@ set(PHY_SRC_UE
   ${PHY_POLARSRC}
   ${PHY_SMALLBLOCKSRC}
   ${PHY_LDPCSRC}
-  ${OPENAIR1_DIR}/PHY/NR_TRANSPORT/pucch_rx.c # added by prasanth
+  ${OPENAIR1_DIR}/PHY/NR_TRANSPORT/pucch_rx.c 
   )
 
   set(PHY_NR_UE_SRC
diff --git a/cmake_targets/autotests/test_case_list.xml b/cmake_targets/autotests/test_case_list.xml
index 792e46cec630622fd3ebdb926487b862a5e9ce97..f5cb0ae1834a23eae7a8e0315f5c8c9f1ce17860 100644
--- a/cmake_targets/autotests/test_case_list.xml
+++ b/cmake_targets/autotests/test_case_list.xml
@@ -1160,6 +1160,29 @@
       <nruns>3</nruns>
     </testCase>
 
+    <testCase id="015109">
+      <class>execution</class>
+      <desc>nr_nr_pucchsim Test cases. (Test1: Format 0 ACK miss 106 PRB),
+                                       (Test2: Format 1 ACK miss 106 PRB),
+				       (Test3: Format 1 ACK miss 273 PRB),
+			               (Test4: Format 1 NACKtoACK 106 PRB)</desc>
+      <pre_compile_prog></pre_compile_prog>
+      <compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</compile_prog>
+      <compile_prog_args> --phy_simulators  -c </compile_prog_args>
+      <pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash</pre_exec>
+      <pre_exec_args></pre_exec_args>
+      <main_exec> $OPENAIR_DIR/targets/bin/nr_pucchsim.Rel15</main_exec>
+      <main_exec_args>-R 106 -i 1 -P 0 -b 1 -s3 -n100
+	              -R 106 -i 14 -P 1 -b 1 -s-6 -n 100
+                      -R 273 -i 14 -P 1 -b 1 -s-6 -n100
+                      -R 106 -i 14 -P 1 -b 1 -s-6 -T 0.001 -n1000</main_exec_args>
+      <tags>nr_pucchsim.test1 nr_pucchsim.test2 nr_pucchsim.test3 nr_pucchsim.test4</tags>
+      <search_expr_true>PUCCH test OK</search_expr_true>
+      <search_expr_false>segmentation fault|assertion|exiting|fatal</search_expr_false>
+      <nruns>3</nruns>
+    </testCase>
+
+
     <testCase id="015110">
       <class>execution</class>
       <desc>dlsim_tm4 test cases (Test 1: 10 MHz, R2.FDD (MCS 5), EVA5, -1dB), 
diff --git a/executables/nr-ru.c b/executables/nr-ru.c
index 71e77125c0659db9d85783f245c5801eda8c987f..c58c9b6f7073a0eadd27105c3066148efa4aef31 100644
--- a/executables/nr-ru.c
+++ b/executables/nr-ru.c
@@ -1076,10 +1076,18 @@ void fill_rf_config(RU_t *ru, char *rf_config_file) {
         cfg->rx_bw = 40e6;
       }
     } else if(N_RB == 106) {
-      cfg->sample_rate=61.44e6;
-      cfg->samples_per_frame = 614400;
-      cfg->tx_bw = 20e6;
-      cfg->rx_bw = 20e6;
+      if (fp->threequarter_fs) {
+	cfg->sample_rate=46.08e6;
+	cfg->samples_per_frame = 460800;
+	cfg->tx_bw = 20e6;
+	cfg->rx_bw = 20e6;
+      }
+      else {
+	cfg->sample_rate=61.44e6;
+	cfg->samples_per_frame = 614400;
+	cfg->tx_bw = 20e6;
+	cfg->rx_bw = 20e6;
+      }
     } else {
       AssertFatal(0==1,"N_RB %d not yet supported for numerology %d\n",N_RB,mu);
     }
@@ -1208,16 +1216,17 @@ static void *ru_thread_tx( void *param ) {
   int                i = 0;
   int                ret;
   
-  
-  if(ru->if_south == LOCAL_RF)
-  {
-    uhd_set_thread_prio();
-    LOG_I(PHY,"set ru_thread_tx uhd priority");
-  }
 
   wait_on_condition(&proc->mutex_FH1,&proc->cond_FH1,&proc->instance_cnt_FH1,"ru_thread_tx");
   printf( "ru_thread_tx ready\n");
 
+  
+  if(ru->rfdevice.uhd_set_thread_priority != NULL)
+  {
+    LOG_I(PHY,"set ru_thread_tx uhd priority \n");
+    ru->rfdevice.uhd_set_thread_priority();
+  }
+
   while (!oai_exit) {
     if (oai_exit) break;
 
diff --git a/executables/nr-ue.c b/executables/nr-ue.c
index d6946f1ac787d7064a5a8bf6c527fde4e04539d8..e3d9488dc93e3bd1c2b2a5d0dbe02fa13f18c85b 100644
--- a/executables/nr-ue.c
+++ b/executables/nr-ue.c
@@ -350,39 +350,42 @@ static void UE_synch(void *arg) {
 }
 
 void processSlotRX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
+
+  nr_dcireq_t dcireq;
+  nr_scheduled_response_t scheduled_response;
+
   // Process Rx data for one sub-frame
   if (slot_select_nr(&UE->frame_parms, proc->frame_tx, proc->nr_tti_tx) & NR_DOWNLINK_SLOT) {
-    //clean previous FAPI MESSAGE
-    UE->rx_ind.number_pdus = 0;
-    UE->dci_ind.number_of_dcis = 0;
-    //clean previous FAPI MESSAGE
-    // call L2 for DL_CONFIG (DCI)
-    UE->dcireq.module_id = UE->Mod_id;
-    UE->dcireq.gNB_index = 0;
-    UE->dcireq.cc_id     = 0;
-    UE->dcireq.frame     = proc->frame_rx;
-    UE->dcireq.slot      = proc->nr_tti_rx;
-    nr_ue_dcireq(&UE->dcireq); //to be replaced with function pointer later
-    NR_UE_MAC_INST_t *UE_mac = get_mac_inst(0);
-    UE_mac->scheduled_response.dl_config = &UE->dcireq.dl_config_req;
-    UE_mac->scheduled_response.ul_config = NULL;
-    UE_mac->scheduled_response.tx_request = NULL;
-    UE_mac->scheduled_response.module_id = UE->Mod_id;
-    UE_mac->scheduled_response.CC_id     = 0;
-    UE_mac->scheduled_response.frame = proc->frame_rx;
-    UE_mac->scheduled_response.slot  = proc->nr_tti_rx;
-    nr_ue_scheduled_response(&UE_mac->scheduled_response);
-    //write_output("uerxdata_frame.m", "uerxdata_frame", UE->common_vars.rxdata[0], UE->frame_parms.samples_per_frame, 1, 1);
+    //TODO: all of this has to be moved to the MAC!!!
+    dcireq.module_id = UE->Mod_id;
+    dcireq.gNB_index = 0;
+    dcireq.cc_id     = 0;
+    dcireq.frame     = proc->frame_rx;
+    dcireq.slot      = proc->nr_tti_rx;
+    nr_ue_dcireq(&dcireq); //to be replaced with function pointer later
+
+    scheduled_response.dl_config = &dcireq.dl_config_req;
+    scheduled_response.ul_config = NULL;
+    scheduled_response.tx_request = NULL;
+    scheduled_response.module_id = UE->Mod_id;
+    scheduled_response.CC_id     = 0;
+    scheduled_response.frame = proc->frame_rx;
+    scheduled_response.slot  = proc->nr_tti_rx;
+    nr_ue_scheduled_response(&scheduled_response);
+
 #ifdef UE_SLOT_PARALLELISATION
     phy_procedures_slot_parallelization_nrUE_RX( UE, proc, 0, 0, 1, UE->mode, no_relay, NULL );
 #else
     uint64_t a=rdtsc();
-    phy_procedures_nrUE_RX( UE, proc, 0, 1, UE->mode, UE_mac->phy_config.config_req.pbch_config);
+    phy_procedures_nrUE_RX( UE, proc, 0, 1, UE->mode);
     LOG_D(PHY,"phy_procedures_nrUE_RX: slot:%d, time %lu\n", proc->nr_tti_rx, (rdtsc()-a)/3500);
     //printf(">>> nr_ue_pdcch_procedures ended\n");
 #endif
   }
 
+  
+  // no UL for now
+  /*
   if (UE->mac_enabled==1) {
     //  trigger L2 to run ue_scheduler thru IF module
     //  [TODO] mapping right after NR initial sync
@@ -395,6 +398,7 @@ void processSlotRX( PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
       UE->if_inst->ul_indication(&UE->ul_indication);
     }
   }
+  */
 }
 
 /*!
@@ -627,8 +631,9 @@ void *UE_thread(void *arg) {
     processingData_t *curMsg=(processingData_t *)NotifiedFifoData(msgToPush);
     curMsg->UE=UE;
     // update thread index for received subframe
-    curMsg->proc.nr_tti_rx= slot_nr;
     curMsg->UE->current_thread_id[slot_nr] = thread_idx;
+    curMsg->proc.CC_id = 0;
+    curMsg->proc.nr_tti_rx= slot_nr;
     curMsg->proc.subframe_rx=table_sf_slot[slot_nr];
     curMsg->proc.nr_tti_tx = (absolute_slot + DURATION_RX_TO_TX) % nb_slot_frame;
     curMsg->proc.subframe_tx=curMsg->proc.nr_tti_rx;
diff --git a/executables/nr-uesoftmodem.c b/executables/nr-uesoftmodem.c
index b4b0b711dcf143696ec6177576de4247b887a827..98d8fc88e63af7809441a7989c6065c97fb57e11 100644
--- a/executables/nr-uesoftmodem.c
+++ b/executables/nr-uesoftmodem.c
@@ -542,8 +542,27 @@ void init_openair0(void) {
 
   for (card=0; card<MAX_CARDS; card++) {
     openair0_cfg[card].configFilename = NULL;
+    openair0_cfg[card].threequarter_fs = frame_parms[0]->threequarter_fs;
 
-    if(frame_parms[0]->N_RB_DL == 106) {
+    if(frame_parms[0]->N_RB_DL == 217) {
+      if (numerology==1) {
+        if (frame_parms[0]->threequarter_fs) {
+          openair0_cfg[card].sample_rate=92.16e6;
+          openair0_cfg[card].samples_per_frame = 921600;
+          openair0_cfg[card].tx_bw = 40e6;
+          openair0_cfg[card].rx_bw = 40e6;
+        }
+        else {
+          openair0_cfg[card].sample_rate=122.88e6;
+          openair0_cfg[card].samples_per_frame = 1228800;
+          openair0_cfg[card].tx_bw = 40e6;
+          openair0_cfg[card].rx_bw = 40e6;
+        } 
+      } else {
+        LOG_E(PHY,"Unsupported numerology!\n");
+        exit(-1);
+      }
+     }else if(frame_parms[0]->N_RB_DL == 106) {
       if (numerology==0) {
         if (frame_parms[0]->threequarter_fs) {
           openair0_cfg[card].sample_rate=23.04e6;
@@ -556,14 +575,22 @@ void init_openair0(void) {
           openair0_cfg[card].tx_bw = 10e6;
           openair0_cfg[card].rx_bw = 10e6;
         }
-      } else if (numerology==1) {
-        openair0_cfg[card].sample_rate=61.44e6;
-        openair0_cfg[card].samples_per_frame = 307200;
-        openair0_cfg[card].tx_bw = 20e6;
-        openair0_cfg[card].rx_bw = 20e6;
+     } else if (numerology==1) {
+        if (frame_parms[0]->threequarter_fs) {
+	  openair0_cfg[card].sample_rate=46.08e6;
+	  openair0_cfg[card].samples_per_frame = 480800;
+	  openair0_cfg[card].tx_bw = 20e6;
+	  openair0_cfg[card].rx_bw = 20e6;
+	}
+	else {
+	  openair0_cfg[card].sample_rate=61.44e6;
+	  openair0_cfg[card].samples_per_frame = 614400;
+	  openair0_cfg[card].tx_bw = 20e6;
+	  openair0_cfg[card].rx_bw = 20e6;
+	}
       } else if (numerology==2) {
         openair0_cfg[card].sample_rate=122.88e6;
-        openair0_cfg[card].samples_per_frame = 307200;
+        openair0_cfg[card].samples_per_frame = 1228800;
         openair0_cfg[card].tx_bw = 40e6;
         openair0_cfg[card].rx_bw = 40e6;
       } else {
@@ -586,6 +613,10 @@ void init_openair0(void) {
       openair0_cfg[card].tx_bw = 1.5e6;
       openair0_cfg[card].rx_bw = 1.5e6;
     }
+    else {
+      LOG_E(PHY,"Unknown NB_RB %d!\n",frame_parms[0]->N_RB_DL);
+      exit(-1);
+    }
 
     if (frame_parms[0]->frame_type==TDD)
       openair0_cfg[card].duplex_mode = duplex_mode_TDD;
@@ -698,6 +729,7 @@ int main( int argc, char **argv ) {
     frame_parms[CC_id]->nb_antennas_tx     = nb_antenna_tx;
     frame_parms[CC_id]->nb_antennas_rx     = nb_antenna_rx;
     frame_parms[CC_id]->nb_antenna_ports_eNB = 1; //initial value overwritten by initial sync later
+    frame_parms[CC_id]->threequarter_fs = threequarter_fs;
     LOG_I(PHY,"Set nb_rx_antenna %d , nb_tx_antenna %d \n",frame_parms[CC_id]->nb_antennas_rx, frame_parms[CC_id]->nb_antennas_tx);
     get_band(downlink_frequency[CC_id][0], &frame_parms[CC_id]->eutra_band,   &uplink_frequency_offset[CC_id][0], &frame_parms[CC_id]->frame_type);
   }
diff --git a/maketags b/maketags
index eb7c474a38b3ce208a97cda0c6fdae41443af086..5c7232320a0abea10d81e4484aeffbdd2eccd623 100755
--- a/maketags
+++ b/maketags
@@ -1,4 +1,4 @@
 #!/bin/sh
 echo "building ctags for openair1 and openair2 ..."
-ctags -e -R  --exclude=openair1/DOCS/ --exclude=openair2/DOCS/ --exclude=openair1/SIMULATION/ --exclude=targets/DOCS/ --exclude=targets/PROJECTS/ openair1 openair2 openair3 targets cmake_targets common nfapi
+ctags -e -R  --exclude=openair1/DOCS/ --exclude=openair2/DOCS/ --exclude=openair1/SIMULATION/ --exclude=targets/DOCS/ --exclude=targets/PROJECTS/ openair1 openair2 openair3 targets cmake_targets common nfapi executables
 
diff --git a/openair1/PHY/MODULATION/slot_fep_nr.c b/openair1/PHY/MODULATION/slot_fep_nr.c
index b93f6be2502943d66f34851043319b6c657cb2ae..c00fef592994b2b0065e534ea359889905769d82 100644
--- a/openair1/PHY/MODULATION/slot_fep_nr.c
+++ b/openair1/PHY/MODULATION/slot_fep_nr.c
@@ -89,6 +89,10 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
     dft = dft2048;
     break;
 
+  case 3072:
+    dft = dft3072;
+    break;
+
   case 4096:
     dft = dft4096;
     break;
@@ -98,8 +102,8 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
     break;
 
   default:
-    dft = dft512;
-    break;
+    printf("unsupported ofdm symbol size \n");
+    assert(0);
   }
 
   if (no_prefix) {
diff --git a/openair1/PHY/NR_TRANSPORT/pucch_rx.c b/openair1/PHY/NR_TRANSPORT/pucch_rx.c
index 3513c198cbc87325556560cea23beffc1c9d3687..b74b078dfd6ffcd63faa97b59314335405e0f546 100644
--- a/openair1/PHY/NR_TRANSPORT/pucch_rx.c
+++ b/openair1/PHY/NR_TRANSPORT/pucch_rx.c
@@ -21,7 +21,7 @@
 void nr_decode_pucch0( int32_t **rxdataF,
 			pucch_GroupHopping_t pucch_GroupHopping,
 			uint32_t n_id,       // hoppingID higher layer parameter                                        
-                        uint8_t *payload,
+                        uint64_t *payload,
                         NR_DL_FRAME_PARMS *frame_parms,
                         int16_t amp,
                         int nr_tti_tx,
@@ -86,7 +86,7 @@ void nr_decode_pucch0( int32_t **rxdataF,
     // if ((PUCCH_Frequency_Hopping == 1)&&(l == (nrofSymbols-1))) n_hop = 1;
       nr_group_sequence_hopping(pucch_GroupHopping,n_id,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
       alpha = nr_cyclic_shift_hopping(n_id,m0,mcs[i],l,startingSymbolIndex,nr_tti_tx);
-      #ifdef DEBUG_NR_PUCCH_TX
+      #ifdef DEBUG_NR_PUCCH_RX
         printf("\t [nr_generate_pucch0] sequence generation \tu=%d \tv=%d \talpha=%lf \t(for symbol l=%d)\n",u,v,alpha,l);
       #endif
       for (n=0; n<12; n++){
@@ -94,7 +94,7 @@ void nr_decode_pucch0( int32_t **rxdataF,
                                   - (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15)))>>15); // Re part of base sequence shifted by alpha
         x_n_im[i][(12*l)+n] =(int16_t)((int32_t)(amp)* (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15)
                                   + (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15)))>>15); // Im part of base sequence shifted by alpha
-        #ifdef DEBUG_NR_PUCCH_TX
+        #ifdef DEBUG_NR_PUCCH_RX
           printf("\t [nr_generate_pucch0] sequence generation \tu=%d \tv=%d \talpha=%lf \tx_n(l=%d,n=%d)=(%d,%d)\n",
                 u,v,alpha,l,n,x_n_re[(12*l)+n],x_n_im[(12*l)+n]);
         #endif
@@ -129,7 +129,7 @@ void nr_decode_pucch0( int32_t **rxdataF,
       }
       r_re[(12*l)+n]=((int16_t *)&rxdataF[0][re_offset])[0];
       r_im[(12*l)+n]=((int16_t *)&rxdataF[0][re_offset])[1];
-      #ifdef DEBUG_NR_PUCCH_TX
+      #ifdef DEBUG_NR_PUCCH_RX
         printf("\t [nr_generate_pucch0] mapping to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \ttxptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
                 amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,re_offset,
                 l,n,((int16_t *)&rxdataF[0][re_offset])[0],((int16_t *)&rxdataF[0][re_offset])[1]);
@@ -158,6 +158,486 @@ void nr_decode_pucch0( int32_t **rxdataF,
       max_corr=corr[i];
     }
   }
-  *payload=(uint8_t)index;  // payload bits 00..b3b2b0, b0 is the SR bit and b3b2 are HARQ bits
+  *payload=(uint64_t)index;  // payload bits 00..b3b2b0, b0 is the SR bit and b3b2 are HARQ bits
+}
+
+
+
+
+
+void nr_decode_pucch1(  int32_t **rxdataF,
+		        pucch_GroupHopping_t pucch_GroupHopping,
+                        uint32_t n_id,       // hoppingID higher layer parameter  
+                        uint64_t *payload,
+		       	NR_DL_FRAME_PARMS *frame_parms, 
+                        int16_t amp,
+                        int nr_tti_tx,
+                        uint8_t m0,
+                        uint8_t nrofSymbols,
+                        uint8_t startingSymbolIndex,
+                        uint16_t startingPRB,
+                        uint16_t startingPRB_intraSlotHopping,
+                        uint8_t timeDomainOCC,
+                        uint8_t nr_bit) {
+#ifdef DEBUG_NR_PUCCH_RX
+  printf("\t [nr_generate_pucch1] start function at slot(nr_tti_tx)=%d payload=%d m0=%d nrofSymbols=%d startingSymbolIndex=%d startingPRB=%d startingPRB_intraSlotHopping=%d timeDomainOCC=%d nr_bit=%d\n",
+         nr_tti_tx,payload,m0,nrofSymbols,startingSymbolIndex,startingPRB,startingPRB_intraSlotHopping,timeDomainOCC,nr_bit);
+#endif
+  /*
+   * Implement TS 38.211 Subclause 6.3.2.4.1 Sequence modulation
+   *
+   */
+  // complex-valued symbol d_re, d_im containing complex-valued symbol d(0):
+  int16_t d_re=0, d_im=0,d1_re=0,d1_im=0;
+#ifdef DEBUG_NR_PUCCH_RX
+  printf("\t [nr_generate_pucch1] sequence modulation: payload=%x \tde_re=%d \tde_im=%d\n",payload,d_re,d_im);
+#endif
+  /*
+   * Defining cyclic shift hopping TS 38.211 Subclause 6.3.2.2.2
+   */
+  // alpha is cyclic shift
+  double alpha;
+  // lnormal is the OFDM symbol number in the PUCCH transmission where l=0 corresponds to the first OFDM symbol of the PUCCH transmission
+  //uint8_t lnormal = 0 ;
+  // lprime is the index of the OFDM symbol in the slot that corresponds to the first OFDM symbol of the PUCCH transmission in the slot given by [5, TS 38.213]
+  uint8_t lprime = startingSymbolIndex;
+  // mcs = 0 except for PUCCH format 0
+  uint8_t mcs=0;
+  // r_u_v_alpha_delta_re and r_u_v_alpha_delta_im tables containing the sequence y(n) for the PUCCH, when they are multiplied by d(0)
+  // r_u_v_alpha_delta_dmrs_re and r_u_v_alpha_delta_dmrs_im tables containing the sequence for the DM-RS.
+  int16_t r_u_v_alpha_delta_re[12],r_u_v_alpha_delta_im[12],r_u_v_alpha_delta_dmrs_re[12],r_u_v_alpha_delta_dmrs_im[12];
+  /*
+   * in TS 38.213 Subclause 9.2.1 it is said that:
+   * for PUCCH format 0 or PUCCH format 1, the index of the cyclic shift
+   * is indicated by higher layer parameter PUCCH-F0-F1-initial-cyclic-shift
+   */
+  /*
+   * the complex-valued symbol d_0 shall be multiplied with a sequence r_u_v_alpha_delta(n): y(n) = d_0 * r_u_v_alpha_delta(n)
+   */
+  // the value of u,v (delta always 0 for PUCCH) has to be calculated according to TS 38.211 Subclause 6.3.2.2.1
+  uint8_t u=0,v=0;//,delta=0;
+  // if frequency hopping is disabled, intraSlotFrequencyHopping is not provided
+  //              n_hop = 0
+  // if frequency hopping is enabled,  intraSlotFrequencyHopping is     provided
+  //              n_hop = 0 for first hop
+  //              n_hop = 1 for second hop
+  uint8_t n_hop = 0;
+  // Intra-slot frequency hopping shall be assumed when the higher-layer parameter intraSlotFrequencyHopping is provided,
+  // regardless of whether the frequency-hop distance is zero or not,
+  // otherwise no intra-slot frequency hopping shall be assumed
+  //uint8_t PUCCH_Frequency_Hopping = 0 ; // from higher layers
+  uint8_t intraSlotFrequencyHopping = 0;
+
+  if (startingPRB != startingPRB_intraSlotHopping) {
+    intraSlotFrequencyHopping=1;
+  }
+
+#ifdef DEBUG_NR_PUCCH_RX
+  printf("\t [nr_generate_pucch1] intraSlotFrequencyHopping = %d \n",intraSlotFrequencyHopping);
+#endif
+  /*
+   * Implementing TS 38.211 Subclause 6.3.2.4.2 Mapping to physical resources
+   */
+  //int32_t *txptr;
+  uint32_t re_offset=0;
+  int i=0;
+#define MAX_SIZE_Z 168 // this value has to be calculated from mprime*12*table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[pucch_symbol_length]+m*12+n
+  int16_t z_re_rx[MAX_SIZE_Z],z_im_rx[MAX_SIZE_Z],z_re_temp,z_im_temp;
+  int16_t z_dmrs_re_rx[MAX_SIZE_Z],z_dmrs_im_rx[MAX_SIZE_Z],z_dmrs_re_temp,z_dmrs_im_temp;
+  memset(z_re_rx,0,MAX_SIZE_Z*sizeof(int16_t));
+  memset(z_im_rx,0,MAX_SIZE_Z*sizeof(int16_t));
+  memset(z_dmrs_re_rx,0,MAX_SIZE_Z*sizeof(int16_t));
+  memset(z_dmrs_im_rx,0,MAX_SIZE_Z*sizeof(int16_t));
+  int l=0;
+  for(l=0;l<nrofSymbols;l++){     //extracting data and dmrs from rxdataF
+    if ((intraSlotFrequencyHopping == 1) && (l<floor(nrofSymbols/2))) { // intra-slot hopping enabled, we need to calculate new offset PRB
+      startingPRB = startingPRB + startingPRB_intraSlotHopping;
+    }
+
+    if ((startingPRB <  (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is lower band
+      re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
+    }
+
+    if ((startingPRB >= (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is upper band
+      re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1)));
+    }
+
+    if ((startingPRB <  (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd  and current PRB is lower band
+      re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
+    }
+
+    if ((startingPRB >  (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd  and current PRB is upper band
+      re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(startingPRB-(frame_parms->N_RB_DL>>1))) + 6;
+    }
+
+    if ((startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd  and current PRB contains DC
+      re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
+    }
+
+    //txptr = &txdataF[0][re_offset];
+    for (int n=0; n<12; n++) {
+      if ((n==6) && (startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
+        // if number RBs in bandwidth is odd  and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
+        re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size);
+      }
+
+      if (l%2 == 1) { // mapping PUCCH according to TS38.211 subclause 6.4.1.3.1
+        z_re_rx[i+n] = ((int16_t *)&rxdataF[0][re_offset])[0];
+        z_im_rx[i+n] = ((int16_t *)&rxdataF[0][re_offset])[1];
+#ifdef DEBUG_NR_PUCCH_RX
+        printf("\t [nr_generate_pucch1] mapping PUCCH to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_pucch[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
+               amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+n,re_offset,
+               l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
+#endif
+      }
+
+      if (l%2 == 0) { // mapping DM-RS signal according to TS38.211 subclause 6.4.1.3.1
+        z_dmrs_re_rx[i+n] = ((int16_t *)&rxdataF[0][re_offset])[0];
+        z_dmrs_im_rx[i+n] = ((int16_t *)&rxdataF[0][re_offset])[1];
+//	printf("%d\t%d\t%d\n",l,z_dmrs_re_rx[i+n],z_dmrs_im_rx[i+n]);
+#ifdef DEBUG_NR_PUCCH_RX
+        printf("\t [nr_generate_pucch1] mapping DM-RS to RE \t amp=%d \tofdm_symbol_size=%d \tN_RB_DL=%d \tfirst_carrier_offset=%d \tz_dm-rs[%d]=txptr(%d)=(x_n(l=%d,n=%d)=(%d,%d))\n",
+               amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+n,re_offset,
+               l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
+#endif
+//        printf("l=%d\ti=%d\tre_offset=%d\treceived dmrs re=%d\tim=%d\n",l,i,re_offset,z_dmrs_re_rx[i+n],z_dmrs_im_rx[i+n]);
+      }
+
+      re_offset++;
+    }
+    if (l%2 == 1) i+=12;
+  }
+  int16_t y_n_re[12],y_n_im[12],y1_n_re[12],y1_n_im[12];
+  memset(y_n_re,0,12*sizeof(int16_t));
+  memset(y_n_im,0,12*sizeof(int16_t));
+  memset(y1_n_re,0,12*sizeof(int16_t));
+  memset(y1_n_im,0,12*sizeof(int16_t));
+  //generating transmitted sequence and dmrs
+  for (l=0; l<nrofSymbols; l++) {
+#ifdef DEBUG_NR_PUCCH_RX
+    printf("\t [nr_generate_pucch1] for symbol l=%d, lprime=%d\n",
+           l,lprime);
+#endif
+    // y_n contains the complex value d multiplied by the sequence r_u_v
+   if ((intraSlotFrequencyHopping == 1) && (l >= (int)floor(nrofSymbols/2))) n_hop = 1; // n_hop = 1 for second hop
+
+#ifdef DEBUG_NR_PUCCH_RX
+    printf("\t [nr_generate_pucch1] entering function nr_group_sequence_hopping with n_hop=%d, nr_tti_tx=%d\n",
+           n_hop,nr_tti_tx);
+#endif
+    nr_group_sequence_hopping(pucch_GroupHopping,n_id,n_hop,nr_tti_tx,&u,&v); // calculating u and v value
+    alpha = nr_cyclic_shift_hopping(n_id,m0,mcs,l,lprime,nr_tti_tx);
+    
+    for (int n=0; n<12; n++) {  // generating low papr sequences
+      if(l%2==1){ 
+        r_u_v_alpha_delta_re[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15)
+                                             - (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15))); // Re part of base sequence shifted by alpha
+        r_u_v_alpha_delta_im[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15)
+                                             + (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15))); // Im part of base sequence shifted by alpha
+      }
+      else{
+        r_u_v_alpha_delta_dmrs_re[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15)
+                                       - (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15))); // Re part of DMRS base sequence shifted by alpha
+        r_u_v_alpha_delta_dmrs_im[n] = (int16_t)(((((int32_t)(round(32767*cos(alpha*n))) * table_5_2_2_2_2_Im[u][n])>>15)
+                                       + (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15))); // Im part of DMRS base sequence shifted by alpha
+        r_u_v_alpha_delta_dmrs_re[n] = (int16_t)(((int32_t)(amp*r_u_v_alpha_delta_dmrs_re[n]))>>15);
+        r_u_v_alpha_delta_dmrs_im[n] = (int16_t)(((int32_t)(amp*r_u_v_alpha_delta_dmrs_im[n]))>>15);
+      }
+//      printf("symbol=%d\tr_u_rx_re=%d\tr_u_rx_im=%d\n",l,r_u_v_alpha_delta_dmrs_re[n], r_u_v_alpha_delta_dmrs_im[n]);
+      // PUCCH sequence = DM-RS sequence multiplied by d(0)
+/*      y_n_re[n]               = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*d_re)>>15)
+                                           - (((int32_t)(r_u_v_alpha_delta_im[n])*d_im)>>15))); // Re part of y(n)
+      y_n_im[n]               = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*d_im)>>15)
+                                           + (((int32_t)(r_u_v_alpha_delta_im[n])*d_re)>>15))); // Im part of y(n) */
+#ifdef DEBUG_NR_PUCCH_RX
+      printf("\t [nr_generate_pucch1] sequence generation \tu=%d \tv=%d \talpha=%lf \tr_u_v_alpha_delta[n=%d]=(%d,%d) \ty_n[n=%d]=(%d,%d)\n",
+             u,v,alpha,n,r_u_v_alpha_delta_re[n],r_u_v_alpha_delta_im[n],n,y_n_re[n],y_n_im[n]);
+#endif
+    }
+    /*
+     * The block of complex-valued symbols y(n) shall be block-wise spread with the orthogonal sequence wi(m)
+     * (defined in table_6_3_2_4_1_2_Wi_Re and table_6_3_2_4_1_2_Wi_Im)
+     * z(mprime*12*table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[pucch_symbol_length]+m*12+n)=wi(m)*y(n)
+     *
+     * The block of complex-valued symbols r_u_v_alpha_dmrs_delta(n) for DM-RS shall be block-wise spread with the orthogonal sequence wi(m)
+     * (defined in table_6_3_2_4_1_2_Wi_Re and table_6_3_2_4_1_2_Wi_Im)
+     * z(mprime*12*table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_noHop[pucch_symbol_length]+m*12+n)=wi(m)*y(n)
+     *
+     */
+    // the orthogonal sequence index for wi(m) defined in TS 38.213 Subclause 9.2.1
+    // the index of the orthogonal cover code is from a set determined as described in [4, TS 38.211]
+    // and is indicated by higher layer parameter PUCCH-F1-time-domain-OCC
+    // In the PUCCH_Config IE, the PUCCH-format1, timeDomainOCC field
+    uint8_t w_index = timeDomainOCC;
+    // N_SF_mprime_PUCCH_1 contains N_SF_mprime from table 6.3.2.4.1-1   (depending on number of PUCCH symbols nrofSymbols, mprime and intra-slot hopping enabled/disabled)
+    uint8_t N_SF_mprime_PUCCH_1;
+    // N_SF_mprime_PUCCH_1 contains N_SF_mprime from table 6.4.1.3.1.1-1 (depending on number of PUCCH symbols nrofSymbols, mprime and intra-slot hopping enabled/disabled)
+    uint8_t N_SF_mprime_PUCCH_DMRS_1;
+    // N_SF_mprime_PUCCH_1 contains N_SF_mprime from table 6.3.2.4.1-1   (depending on number of PUCCH symbols nrofSymbols, mprime=0 and intra-slot hopping enabled/disabled)
+    uint8_t N_SF_mprime0_PUCCH_1;
+    // N_SF_mprime_PUCCH_1 contains N_SF_mprime from table 6.4.1.3.1.1-1 (depending on number of PUCCH symbols nrofSymbols, mprime=0 and intra-slot hopping enabled/disabled)
+    uint8_t N_SF_mprime0_PUCCH_DMRS_1;
+    // mprime is 0 if no intra-slot hopping / mprime is {0,1} if intra-slot hopping
+    uint8_t mprime = 0;
+
+    if (intraSlotFrequencyHopping == 0) { // intra-slot hopping disabled
+#ifdef DEBUG_NR_PUCCH_RX
+      printf("\t [nr_generate_pucch1] block-wise spread with the orthogonal sequence wi(m) if intraSlotFrequencyHopping = %d, intra-slot hopping disabled\n",
+             intraSlotFrequencyHopping);
+#endif
+      N_SF_mprime_PUCCH_1       =   table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled (PUCCH)
+      N_SF_mprime_PUCCH_DMRS_1  = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled (DM-RS)
+      N_SF_mprime0_PUCCH_1      =   table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled mprime = 0 (PUCCH)
+      N_SF_mprime0_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_noHop[nrofSymbols-1]; // only if intra-slot hopping not enabled mprime = 0 (DM-RS)
+#ifdef DEBUG_NR_PUCCH_RX
+      printf("\t [nr_generate_pucch1] w_index = %d, N_SF_mprime_PUCCH_1 = %d, N_SF_mprime_PUCCH_DMRS_1 = %d, N_SF_mprime0_PUCCH_1 = %d, N_SF_mprime0_PUCCH_DMRS_1 = %d\n",
+             w_index, N_SF_mprime_PUCCH_1,N_SF_mprime_PUCCH_DMRS_1,N_SF_mprime0_PUCCH_1,N_SF_mprime0_PUCCH_DMRS_1);
+#endif
+      if(l%2==1){
+        for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
+	  if(floor(l/2)*12==(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)){
+            for (int n=0; n<12 ; n++) {
+              z_re_temp = (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                  + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1);
+              z_im_temp = (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                  - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1);
+              z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]=z_re_temp; 
+              z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]=z_im_temp; 
+//	      printf("symbol=%d\tz_re_rx=%d\tz_im_rx=%d\t",l,(int)z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],(int)z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+#ifdef DEBUG_NR_PUCCH_RX
+              printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
+                     mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
+                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],
+                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],
+                     z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+#endif   
+	      // multiplying with conjugate of low papr sequence  
+	      z_re_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                                              + (((int32_t)(r_u_v_alpha_delta_im[n])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1); 
+              z_im_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                                              - (((int32_t)(r_u_v_alpha_delta_im[n])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1);
+              z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = z_re_temp;
+              z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = z_im_temp;
+/*	      if(z_re_temp<0){
+                      printf("\nBug detection %d\t%d\t%d\t%d\n",r_u_v_alpha_delta_re[n],z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],(((int32_t)(r_u_v_alpha_delta_re[n])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15),(((int32_t)(r_u_v_alpha_delta_im[n])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15));
+              }
+	      printf("z1_re_rx=%d\tz1_im_rx=%d\n",(int)z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],(int)z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]); */ 
+	    }
+	  }
+        }
+      }
+
+      else{
+        for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
+          if(floor(l/2)*12==(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)){
+            for (int n=0; n<12 ; n++) {
+              z_dmrs_re_temp = (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                  + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1);
+              z_dmrs_im_temp =  (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                  - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1);
+              z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_re_temp;
+              z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_im_temp;
+//              printf("symbol=%d\tz_dmrs_re_rx=%d\tz_dmrs_im_rx=%d\t",l,(int)z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],(int)z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+#ifdef DEBUG_NR_PUCCH_RX
+              printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
+                     mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
+                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],
+                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],
+                     z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+#endif
+              //finding channel coeffcients by dividing received dmrs with actual dmrs and storing them in z_dmrs_re_rx and z_dmrs_im_rx arrays
+              z_dmrs_re_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_dmrs_re[n])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                                           + (((int32_t)(r_u_v_alpha_delta_dmrs_im[n])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1); 
+              z_dmrs_im_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_dmrs_re[n])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                                           - (((int32_t)(r_u_v_alpha_delta_dmrs_im[n])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1);
+/*	      if(z_dmrs_re_temp<0){
+		      printf("\nBug detection %d\t%d\t%d\t%d\n",r_u_v_alpha_delta_dmrs_re[n],z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],(((int32_t)(r_u_v_alpha_delta_dmrs_re[n])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15),(((int32_t)(r_u_v_alpha_delta_dmrs_im[n])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15));
+	      }*/
+	      z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_re_temp;
+	      z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_im_temp; 
+//	      printf("z1_dmrs_re_rx=%d\tz1_dmrs_im_rx=%d\n",(int)z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],(int)z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+	     /* z_dmrs_re_rx[(int)(l/2)*12+n]=z_dmrs_re_rx[(int)(l/2)*12+n]/r_u_v_alpha_delta_dmrs_re[n]; 
+              z_dmrs_im_rx[(int)(l/2)*12+n]=z_dmrs_im_rx[(int)(l/2)*12+n]/r_u_v_alpha_delta_dmrs_im[n]; */
+	    }
+	  }
+        }
+      }
+    }
+
+    if (intraSlotFrequencyHopping == 1) { // intra-slot hopping enabled
+#ifdef DEBUG_NR_PUCCH_RX
+      printf("\t [nr_generate_pucch1] block-wise spread with the orthogonal sequence wi(m) if intraSlotFrequencyHopping = %d, intra-slot hopping enabled\n",
+             intraSlotFrequencyHopping);
+#endif
+      N_SF_mprime_PUCCH_1       =   table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (PUCCH)
+      N_SF_mprime_PUCCH_DMRS_1  = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (DM-RS)
+      N_SF_mprime0_PUCCH_1      =   table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (PUCCH)
+      N_SF_mprime0_PUCCH_DMRS_1 = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m0Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 0 (DM-RS)
+#ifdef DEBUG_NR_PUCCH_RX
+      printf("\t [nr_generate_pucch1] w_index = %d, N_SF_mprime_PUCCH_1 = %d, N_SF_mprime_PUCCH_DMRS_1 = %d, N_SF_mprime0_PUCCH_1 = %d, N_SF_mprime0_PUCCH_DMRS_1 = %d\n",
+             w_index, N_SF_mprime_PUCCH_1,N_SF_mprime_PUCCH_DMRS_1,N_SF_mprime0_PUCCH_1,N_SF_mprime0_PUCCH_DMRS_1);
+#endif
+
+      for (mprime = 0; mprime<2; mprime++) { // mprime can get values {0,1}
+	if(l%2==1){
+          for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
+            if(floor(l/2)*12==(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)){
+              for (int n=0; n<12 ; n++) {
+                z_re_temp = (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                             + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1);
+                z_im_temp = (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                              - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1);
+                z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = z_re_temp;
+                z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = z_im_temp;
+#ifdef DEBUG_NR_PUCCH_RX
+                printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
+                       mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
+                       table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],
+                       table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],
+                       z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+#endif 
+                z_re_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                            + (((int32_t)(r_u_v_alpha_delta_im[n])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1); 
+                z_im_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15)
+                             - (((int32_t)(r_u_v_alpha_delta_im[n])*z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n])>>15))>>1); 	  
+	        z_re_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = z_re_temp; 
+                z_im_rx[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n] = z_im_temp; 
+	      }
+	    }
+	  }
+        }
+
+	else{
+	  for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
+            if(floor(l/2)*12==(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)){
+              for (int n=0; n<12 ; n++) {
+                z_dmrs_re_temp = (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                                   + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1);
+                z_dmrs_im_temp = (int16_t)(((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                                   - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1);
+                z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_re_temp; 
+                z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_im_temp; 
+#ifdef DEBUG_NR_PUCCH_RX
+                printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
+                       mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
+                       table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],
+                       table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],
+                       z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+#endif
+                //finding channel coeffcients by dividing received dmrs with actual dmrs and storing them in z_dmrs_re_rx and z_dmrs_im_rx arrays
+                z_dmrs_re_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_dmrs_re[n])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                                  + (((int32_t)(r_u_v_alpha_delta_dmrs_im[n])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1); 
+                z_dmrs_im_temp = (int16_t)(((((int32_t)(r_u_v_alpha_delta_dmrs_re[n])*z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15)
+                                  - (((int32_t)(r_u_v_alpha_delta_dmrs_im[n])*z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n])>>15))>>1);
+	        z_dmrs_re_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_re_temp; 
+                z_dmrs_im_rx[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = z_dmrs_im_temp; 
+
+	    /* 	z_dmrs_re_rx[(int)(l/2)*12+n]=z_dmrs_re_rx[(int)(l/2)*12+n]/r_u_v_alpha_delta_dmrs_re[n]; 
+                z_dmrs_im_rx[(int)(l/2)*12+n]=z_dmrs_im_rx[(int)(l/2)*12+n]/r_u_v_alpha_delta_dmrs_im[n]; */
+	      }
+	    }
+	  }
+        }
+
+        N_SF_mprime_PUCCH_1       =   table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (PUCCH)
+        N_SF_mprime_PUCCH_DMRS_1  = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (DM-RS)
+      }
+    }
+  }
+  int16_t H_re[12],H_im[12],H1_re[12],H1_im[12];
+  memset(H_re,0,12*sizeof(int16_t));
+  memset(H_im,0,12*sizeof(int16_t));
+  memset(H1_re,0,12*sizeof(int16_t));
+  memset(H1_im,0,12*sizeof(int16_t)); 
+  //averaging channel coefficients
+  for(l=0;l<=ceil(nrofSymbols/2);l++){
+    if(intraSlotFrequencyHopping==0){
+      for(int n=0;n<12;n++){
+        H_re[n]=round(z_dmrs_re_rx[l*12+n]/ceil(nrofSymbols/2))+H_re[n];
+        H_im[n]=round(z_dmrs_im_rx[l*12+n]/ceil(nrofSymbols/2))+H_im[n];
+      }
+    }
+    else{
+      if(l<round(nrofSymbols/4)){
+        for(int n=0;n<12;n++){
+          H_re[n]=round(z_dmrs_re_rx[l*12+n]/round(nrofSymbols/4))+H_re[n];
+          H_im[n]=round(z_dmrs_im_rx[l*12+n]/round(nrofSymbols/4))+H_im[n];
+	}
+      }
+      else{
+        for(int n=0;n<12;n++){
+          H1_re[n]=round(z_dmrs_re_rx[l*12+n]/(ceil(nrofSymbols/2)-round(nrofSymbols/4)))+H1_re[n];
+          H1_im[n]=round(z_dmrs_im_rx[l*12+n]/(ceil(nrofSymbols/2))-round(nrofSymbols/4))+H1_im[n];
+	} 
+      }
+    }
+  }
+  //averaging information sequences
+  for(l=0;l<floor(nrofSymbols/2);l++){
+    if(intraSlotFrequencyHopping==0){
+      for(int n=0;n<12;n++){
+        y_n_re[n]=round(z_re_rx[l*12+n]/floor(nrofSymbols/2))+y_n_re[n];
+        y_n_im[n]=round(z_im_rx[l*12+n]/floor(nrofSymbols/2))+y_n_im[n];
+      }
+    }
+    else{
+      if(l<floor(nrofSymbols/4)){
+        for(int n=0;n<12;n++){
+          y_n_re[n]=round(z_re_rx[l*12+n]/floor(nrofSymbols/4))+y_n_re[n];
+          y_n_im[n]=round(z_im_rx[l*12+n]/floor(nrofSymbols/4))+y_n_im[n];
+      }	     
+    }
+      else{
+        for(int n=0;n<12;n++){
+          y1_n_re[n]=round(z_re_rx[l*12+n]/round(nrofSymbols/4))+y1_n_re[n];
+          y1_n_im[n]=round(z_im_rx[l*12+n]/round(nrofSymbols/4))+y1_n_im[n];
+        }
+      }	
+    }
+  }
+  // mrc combining to obtain z_re and z_im
+  if(intraSlotFrequencyHopping==0){
+    for(int n=0;n<12;n++){
+      d_re = round(((int16_t)(((((int32_t)(H_re[n])*y_n_re[n])>>15) + (((int32_t)(H_im[n])*y_n_im[n])>>15))>>1))/12)+d_re; 
+      d_im = round(((int16_t)(((((int32_t)(H_re[n])*y_n_im[n])>>15) - (((int32_t)(H_im[n])*y_n_re[n])>>15))>>1))/12)+d_im; 
+    }
+  }
+  else{
+    for(int n=0;n<12;n++){
+      d_re = round(((int16_t)(((((int32_t)(H_re[n])*y_n_re[n])>>15) + (((int32_t)(H_im[n])*y_n_im[n])>>15))>>1))/12)+d_re; 
+      d_im = round(((int16_t)(((((int32_t)(H_re[n])*y_n_im[n])>>15) - (((int32_t)(H_im[n])*y_n_re[n])>>15))>>1))/12)+d_im;
+      d1_re = round(((int16_t)(((((int32_t)(H1_re[n])*y1_n_re[n])>>15) + (((int32_t)(H1_im[n])*y1_n_im[n])>>15))>>1))/12)+d1_re; 
+      d1_im = round(((int16_t)(((((int32_t)(H1_re[n])*y1_n_im[n])>>15) - (((int32_t)(H1_im[n])*y1_n_re[n])>>15))>>1))/12)+d1_im; 
+    }
+    d_re=round(d_re/2);
+    d_im=round(d_im/2);
+    d1_re=round(d1_re/2);
+    d1_im=round(d1_im/2);
+    d_re=d_re+d1_re;
+    d_im=d_im+d1_im;
+  }
+  //Decoding QPSK or BPSK symbols to obtain payload bits
+  if(nr_bit==1){
+   if((d_re+d_im)>0){
+     *payload=0;
+   }
+   else{
+     *payload=1;
+   } 
+  }
+  else if(nr_bit==2){
+    if((d_re>0)&&(d_im>0)){
+      *payload=0;
+    }
+    else if((d_re<0)&&(d_im>0)){
+      *payload=1;
+    } 
+    else if((d_re>0)&&(d_im<0)){
+      *payload=2;
+    }
+    else{
+      *payload=3;
+    }
+  }
 }
 
diff --git a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
index 1728d93b695930ab280c2216b0502e465d41b4dd..6df9e0c20e32dbedf075b250dc0256e194857c94 100644
--- a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+++ b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
@@ -98,7 +98,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
 #endif
 
     pil+=2;
-    re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
     rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
 
 
@@ -113,7 +114,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
 #endif
 
     pil+=2;
-    re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
     rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
 
     current_ssb->c_re +=ch[0];
@@ -124,7 +126,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
 #endif
 
     pil+=2;
-    re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
     rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
 
     for (pilot_cnt=3; pilot_cnt<(3*20); pilot_cnt+=3) {
@@ -135,7 +138,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
       // in 2nd symbol, skip middle  REs (48 with DMRS,  144 for SSS, and another 48 with DMRS) 
       if (dmrss == 1 && pilot_cnt == 12) {
 	pilot_cnt=48;
-	re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1);
+	//re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1);
+        re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 144) : (re_offset+144);
 	rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
       }
       ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
@@ -149,7 +153,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
 #endif
 
       pil+=2;
-      re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
         
   
@@ -163,7 +168,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
       printf("pilot %d : rxF - > (%d,%d) ch -> (%d,%d), pil -> (%d,%d) \n",pilot_cnt+1,rxF[0],rxF[1],ch[0],ch[1],pil[0],pil[1]);
 #endif
       pil+=2;
-      re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
         
 
@@ -178,7 +184,8 @@ int nr_pbch_dmrs_correlation(PHY_VARS_NR_UE *ue,
 #endif
 
       pil+=2;
-      re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
 
     }
@@ -303,7 +310,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
 				       dl_ch,
 				       16);
     pil+=2;
-    re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
     rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
 
     //for (int i= 0; i<8; i++)
@@ -321,7 +329,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
 				       dl_ch,
 				       16);
     pil+=2;
-    re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
     rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
 
     ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
@@ -336,7 +345,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
 				       dl_ch,
 				       16);
     pil+=2;
-    re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+    re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
     rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
     dl_ch+=24;
 
@@ -348,7 +358,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
       // in 2nd symbol, skip middle  REs (48 with DMRS,  144 for SSS, and another 48 with DMRS) 
       if (dmrss == 1 && pilot_cnt == 12) {
 	pilot_cnt=48;
-	re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1);
+	//re_offset = (re_offset+144)&(ue->frame_parms.ofdm_symbol_size-1);
+        re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 144) : (re_offset+144);
 	rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
 	dl_ch += 288;
       }
@@ -367,7 +378,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
       //            printf("pilot_cnt %d dl_ch %d %d\n", pilot_cnt, dl_ch+i, *(dl_ch+i));
 
       pil+=2;
-      re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
         
   
@@ -382,7 +394,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
 					 dl_ch,
 					 16);
       pil+=2;
-      re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
         
 
@@ -398,7 +411,8 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
 					 dl_ch,
 					 16);
       pil+=2;
-      re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+4)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 4) : (re_offset+4);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+k+re_offset)];
       dl_ch+=24;
 
@@ -611,9 +625,17 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
     idft = idft2048;
     break;
 
-  default:
-    idft = idft512;
+  case 3072:
+    idft = idft3072;
+    break;
+
+  case 4096:
+    idft = idft4096;
     break;
+
+  default:
+    printf("unsupported ofdm symbol size \n");
+    assert(0);
   }
 
   if( (Ns== 1) && (symbol == 0))
@@ -623,7 +645,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
           for (p=0; p<ue->frame_parms.nb_antenna_ports_eNB; p++) {
               if (ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates[(p<<1)+aarx])
               {
-		LOG_D(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d \n", Ns, ue->current_thread_id[Ns], symbol);
+		LOG_I(PHY,"Channel Impulse Computation Slot %d ThreadId %d Symbol %d \n", Ns, ue->current_thread_id[Ns], symbol);
 		idft((int16_t*) &ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates[(p<<1)+aarx][0],
 		     (int16_t*) ue->pdcch_vars[ue->current_thread_id[Ns]][eNB_offset]->dl_ch_estimates_time[(p<<1)+aarx],1);
               }
@@ -734,7 +756,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                          dl_ch,
                                          8);
       pil+=2;
-      re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
       //for (int i= 0; i<8; i++)
       //printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
@@ -749,7 +772,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                          dl_ch,
                                          8);
       pil+=2;
-      re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
       //printf("dl_ch addr %p\n",dl_ch);
       
@@ -767,7 +791,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
       //printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
       
       pil+=2;
-      re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
       dl_ch+=8;
 
@@ -787,7 +812,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                            8);
 
         pil+=2;
-        re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+        //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+        re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
         rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
       
         ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
@@ -800,7 +826,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                            dl_ch,
                                            8);
         pil+=2;
-        re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+        //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+        re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
         rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
         dl_ch+=8;
 
@@ -821,7 +848,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
       //printf("dl_ch addr %p %d\n", dl_ch+i, *(dl_ch+i));
 
       pil+=2;
-      re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
              
       ch[0] = (int16_t)(((int32_t)pil[0]*rxF[0] - (int32_t)pil[1]*rxF[1])>>15);
@@ -836,7 +864,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
                                          8);
                                          
       pil+=2;
-      re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      //re_offset = (re_offset+2)&(ue->frame_parms.ofdm_symbol_size-1);
+      re_offset = (re_offset >= ue->frame_parms.ofdm_symbol_size) ? (re_offset - ue->frame_parms.ofdm_symbol_size + 2) : (re_offset+2);
       rxF   = (int16_t *)&rxdataF[aarx][(symbol_offset+nushift+re_offset)];
       dl_ch+=8;
       
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
index 73c5c3ef6f7060299c26f622f70cf5d9d7e47e40..b55bf05f1696a6bcd0287ec0fa5c337063e684fd 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
@@ -237,9 +237,9 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
   uint32_t Tbslbrm = 950984;
   uint16_t nb_rb = 30;
   double Coderate = 0.0;
-  nfapi_nr_config_request_t *cfg = &phy_vars_ue->nrUE_config;
-  uint8_t dmrs_type = cfg->pdsch_config.dmrs_type.value;
-  uint8_t nb_re_dmrs = (dmrs_type==NFAPI_NR_DMRS_TYPE1)?6:4;
+  //nfapi_nr_config_request_t *cfg = &phy_vars_ue->nrUE_config;
+  //uint8_t dmrs_type = cfg->pdsch_config.dmrs_type.value;
+  uint8_t nb_re_dmrs = 6; //(dmrs_type==NFAPI_NR_DMRS_TYPE1)?6:4;
   uint16_t length_dmrs = 1; //cfg->pdsch_config.dmrs_max_length.value;
 
   uint32_t i,j;
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c b/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
index b56573f2b3c25ecece9968fac93cf053f502f0a7..cac9ae92ac7dcc819fa2e5021d3fbf055743501f 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
@@ -103,8 +103,9 @@ uint16_t nr_pbch_extract(int **rxdataF,
             j++;
           }
 
-          rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
-        }
+          //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
+          rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
+	}
 
         rxF_ext+=9;
       } else { //symbol 2
@@ -125,11 +126,12 @@ uint16_t nr_pbch_extract(int **rxdataF,
               j++;
             }
 
-            rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
+            //rx_offset=(rx_offset+1)&(frame_parms->ofdm_symbol_size-1);
+            rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 1) : (rx_offset+1);
           }
 
           rxF_ext+=9;
-        } else rx_offset = (rx_offset+12)&(frame_parms->ofdm_symbol_size-1);
+        } else rx_offset = (rx_offset >= frame_parms->ofdm_symbol_size) ? (rx_offset - frame_parms->ofdm_symbol_size + 12) : (rx_offset+12);//rx_offset = (rx_offset+12)&(frame_parms->ofdm_symbol_size-1);
       }
     }
 
@@ -566,8 +568,8 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
   }
 
   uint32_t payload = 0;
-  uint8_t xtra_byte = 0;
-  xtra_byte = (out>>24)&0xff;
+  //uint8_t xtra_byte = 0;
+  nr_ue_pbch_vars->xtra_byte = (out>>24)&0xff;
 
   for (int i=0; i<NR_POLAR_PBCH_PAYLOAD_BITS; i++)
     payload |= ((out>>i)&1)<<(NR_POLAR_PBCH_PAYLOAD_BITS-i-1);
@@ -575,18 +577,18 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
   for (int i=0; i<3; i++)
     decoded_output[i] = (uint8_t)((payload>>((3-i)<<3))&0xff);
 
-  n_hf = ((xtra_byte>>4)&0x01); // computing the half frame index from the extra byte
+  n_hf = ((nr_ue_pbch_vars->xtra_byte>>4)&0x01); // computing the half frame index from the extra byte
 
   ssb_index = i_ssb;  // ssb index corresponds to i_ssb for Lmax = 4,8
   if (Lmax == 64) {   // for Lmax = 64 ssb index 4th,5th and 6th bits are in extra byte
     for (int i=0; i<3; i++)
-      ssb_index += (((xtra_byte>>(7-i))&0x01)<<(3+i));
+      ssb_index += (((nr_ue_pbch_vars->xtra_byte>>(7-i))&0x01)<<(3+i));
   }
 
   ue->symbol_offset = nr_get_ssb_start_symbol(frame_parms, ssb_index, n_hf);
 
 #ifdef DEBUG_PBCH
-  printf("xtra_byte %x payload %x\n", xtra_byte, payload);
+  printf("xtra_byte %x payload %x\n", nr_ue_pbch_vars->xtra_byte, payload);
 
   for (int i=0; i<(NR_POLAR_PBCH_PAYLOAD_BITS>>3); i++) {
     //     printf("unscrambling pbch_a[%d] = %x \n", i,pbch_a[i]);
@@ -594,19 +596,25 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
   }
 #endif
 
-  ue->dl_indication.rx_ind = &ue->rx_ind; //  hang on rx_ind instance
-  ue->dl_indication.proc=proc;
-  //ue->rx_ind.sfn_slot = 0;  //should be set by higher-1-layer, i.e. clean_and_set_if_instance()
-  ue->rx_ind.rx_indication_body[0].pdu_type = FAPI_NR_RX_PDU_TYPE_MIB;
-  ue->rx_ind.rx_indication_body[0].mib_pdu.pdu = &decoded_output[0];
-  ue->rx_ind.rx_indication_body[0].mib_pdu.additional_bits = xtra_byte;
-  ue->rx_ind.rx_indication_body[0].mib_pdu.ssb_index = i_ssb;                //  confirm with TCL
-  ue->rx_ind.rx_indication_body[0].mib_pdu.ssb_length = Lmax;                //  confirm with TCL
-  ue->rx_ind.rx_indication_body[0].mib_pdu.cell_id = frame_parms->Nid_cell;  //  confirm with TCL
-  ue->rx_ind.number_pdus = 1;
+  nr_downlink_indication_t dl_indication;
+  fapi_nr_rx_indication_t rx_ind;
+    
+  dl_indication.rx_ind = &rx_ind; //  hang on rx_ind instance
+  dl_indication.dci_ind = NULL; 
+  dl_indication.proc=proc;        // needed to signal back the frame number -> FIXME
+  dl_indication.module_id=0;
+  dl_indication.cc_id=proc->CC_id;
+
+  rx_ind.rx_indication_body[0].pdu_type = FAPI_NR_RX_PDU_TYPE_MIB;
+  rx_ind.rx_indication_body[0].mib_pdu.pdu = &decoded_output[0]; //not good as it is pointing to a memory that can change
+  rx_ind.rx_indication_body[0].mib_pdu.additional_bits = nr_ue_pbch_vars->xtra_byte;
+  rx_ind.rx_indication_body[0].mib_pdu.ssb_index = i_ssb;                //  confirm with TCL
+  rx_ind.rx_indication_body[0].mib_pdu.ssb_length = Lmax;                //  confirm with TCL
+  rx_ind.rx_indication_body[0].mib_pdu.cell_id = frame_parms->Nid_cell;  //  confirm with TCL
+  rx_ind.number_pdus = 1;
 
   if (ue->if_inst && ue->if_inst->dl_indication)
-    ue->if_inst->dl_indication(&ue->dl_indication);
+    ue->if_inst->dl_indication(&dl_indication);
 
   return 0;
 }
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
index 25b395bdf7a663bd42f319a756611a7f3bdc7eda..7b161ac23d5a862fd1e2d22c889e058b34ead8c3 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
@@ -50,15 +50,12 @@ int generate_ue_ulsch_params(PHY_VARS_NR_UE *UE,
                              unsigned char harq_pid){
 
   int N_PRB_oh, N_RE_prime, cwd_idx, length_dmrs, Nid_cell;
-  int nb_rb, Nsymb_pusch, first_rb, nb_codewords;
+  int nb_rb, Nsymb_pusch, first_rb, nb_codewords,mcs,rvidx;
   uint16_t n_rnti;
 
-  fapi_nr_dci_pdu_rel15_t *ul_dci_pdu;
   NR_UE_ULSCH_t *ulsch_ue;
   NR_UL_UE_HARQ_t *harq_process_ul_ue;
 
-  ul_dci_pdu = &UE->dci_ind.dci_list[0].dci;
-
   //--------------------------Temporary configuration-----------------------------//
   length_dmrs = 1;
   n_rnti = 0x1234;
@@ -66,7 +63,9 @@ int generate_ue_ulsch_params(PHY_VARS_NR_UE *UE,
   nb_rb = 50;
   first_rb = 30;
   Nsymb_pusch = 12;
-  nb_codewords = (ul_dci_pdu->precod_nbr_layers>4)?2:1;
+  nb_codewords = 1;
+  mcs = 9;
+  rvidx = 0;
   //------------------------------------------------------------------------------//
 
   for (cwd_idx = 0; cwd_idx < nb_codewords; cwd_idx++) {
@@ -87,19 +86,19 @@ int generate_ue_ulsch_params(PHY_VARS_NR_UE *UE,
 
     if (harq_process_ul_ue) {
 
-      harq_process_ul_ue->mcs                = ul_dci_pdu->mcs;
-      harq_process_ul_ue->Nl                 = ul_dci_pdu->precod_nbr_layers;
+      harq_process_ul_ue->mcs                = mcs;
+      harq_process_ul_ue->Nl                 = nb_codewords;
       harq_process_ul_ue->nb_rb              = nb_rb;
       harq_process_ul_ue->first_rb           = first_rb;
       harq_process_ul_ue->number_of_symbols  = Nsymb_pusch;
       harq_process_ul_ue->num_of_mod_symbols = N_RE_prime*nb_rb*nb_codewords;
-      harq_process_ul_ue->rvidx              = ul_dci_pdu->rv;
-      harq_process_ul_ue->TBS                = nr_compute_tbs(ul_dci_pdu->mcs,
+      harq_process_ul_ue->rvidx              = rvidx;
+      harq_process_ul_ue->TBS                = nr_compute_tbs(harq_process_ul_ue->mcs,
                                                               nb_rb,
                                                               Nsymb_pusch,
                                                               ulsch_ue->nb_re_dmrs,
                                                               length_dmrs,
-                                                              ul_dci_pdu->precod_nbr_layers);
+                                                              harq_process_ul_ue->Nl);
 
     }
 
diff --git a/openair1/PHY/NR_UE_TRANSPORT/pss_nr.c b/openair1/PHY/NR_UE_TRANSPORT/pss_nr.c
index a88095986478a2becf0a723001f99d58d44e4c08..c9fb3007063a5b48d7adf66c03e9bec50d446f0a 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/pss_nr.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/pss_nr.c
@@ -89,6 +89,10 @@ void *get_idft(int ofdm_symbol_size)
       idft = idft2048;
       break;
 
+    case 3072:
+      idft = idft3072;
+      break;
+
     case 4096:
       idft = idft4096;
       break;
diff --git a/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c b/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c
index 2771874bd3f66d83f7c88bbfdf479afcc676a576..e838b4b7476d29e95036b7ddf6d376e7aeff5004 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c
@@ -195,7 +195,7 @@ void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
                         int16_t amp,
                         int nr_tti_tx,
                         uint8_t m0,
-                        uint8_t mcs,
+			uint8_t mcs,
                         uint8_t nrofSymbols,
                         uint8_t startingSymbolIndex,
                         uint16_t startingPRB) {
@@ -366,7 +366,7 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
       d_im = -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
     }
   }
-
+//  printf("d_re=%d\td_im=%d\n",(int)d_re,(int)d_im);
 #ifdef DEBUG_NR_PUCCH_TX
   printf("\t [nr_generate_pucch1] sequence modulation: payload=%x \tde_re=%d \tde_im=%d\n",payload,d_re,d_im);
 #endif
@@ -451,11 +451,13 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
                                      + (((int32_t)(round(32767*sin(alpha*n))) * table_5_2_2_2_2_Re[u][n])>>15))); // Im part of DMRS base sequence shifted by alpha
       r_u_v_alpha_delta_dmrs_re[n] = (int16_t)(((int32_t)(amp*r_u_v_alpha_delta_dmrs_re[n]))>>15);
       r_u_v_alpha_delta_dmrs_im[n] = (int16_t)(((int32_t)(amp*r_u_v_alpha_delta_dmrs_im[n]))>>15);
+//      printf("symbol=%d\tr_u_v_re=%d\tr_u_v_im=%d\n",l,r_u_v_alpha_delta_re[n],r_u_v_alpha_delta_im[n]);
       // PUCCH sequence = DM-RS sequence multiplied by d(0)
       y_n_re[n]               = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*d_re)>>15)
                                            - (((int32_t)(r_u_v_alpha_delta_im[n])*d_im)>>15))); // Re part of y(n)
       y_n_im[n]               = (int16_t)(((((int32_t)(r_u_v_alpha_delta_re[n])*d_im)>>15)
                                            + (((int32_t)(r_u_v_alpha_delta_im[n])*d_re)>>15))); // Im part of y(n)
+//       printf("symbol=%d\tr_u_v_dmrs_re=%d\tr_u_v_dmrs_im=%d\n",l,r_u_v_alpha_delta_dmrs_re[n],r_u_v_alpha_delta_dmrs_im[n]);
 #ifdef DEBUG_NR_PUCCH_TX
       printf("\t [nr_generate_pucch1] sequence generation \tu=%d \tv=%d \talpha=%lf \tr_u_v_alpha_delta[n=%d]=(%d,%d) \ty_n[n=%d]=(%d,%d)\n",
              u,v,alpha,n,r_u_v_alpha_delta_re[n],r_u_v_alpha_delta_im[n],n,y_n_re[n],y_n_im[n]);
@@ -520,10 +522,10 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
 
       for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
         for (int n=0; n<12 ; n++) {
-          z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15)
-              - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15));
-          z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15)
-              + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15));
+          z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15)
+              - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15));
+          z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15)
+              + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15));
 #ifdef DEBUG_NR_PUCCH_TX
           printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
                  mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
@@ -531,7 +533,8 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
                  table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],
                  z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
 #endif
-        }
+//          printf("gNB entering l=%d\tdmrs_re=%d\tdmrs_im=%d\n",l,z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n],z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n]);
+	}
       }
     }
 
@@ -549,43 +552,41 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
              w_index, N_SF_mprime_PUCCH_1,N_SF_mprime_PUCCH_DMRS_1,N_SF_mprime0_PUCCH_1,N_SF_mprime0_PUCCH_DMRS_1);
 #endif
 
-      for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
-        for (mprime = 0; mprime<2; mprime++) { // mprime can get values {0,1}
-          for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
-            for (int n=0; n<12 ; n++) {
-              z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]           = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15)
-                  - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15));
-              z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]           = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15)
-                  + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15));
-#ifdef DEBUG_NR_PUCCH_TX
-              printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
-                     mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
-                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],
-                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],
-                     z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
-#endif
-            }
+      for (mprime = 0; mprime<2; mprime++) { // mprime can get values {0,1}
+        for (int m=0; m < N_SF_mprime_PUCCH_1; m++) {
+          for (int n=0; n<12 ; n++) {
+            z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]           = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15)
+                - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15));
+            z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]           = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*y_n_im[n])>>15)
+                + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*y_n_re[n])>>15));
+#ifdef DEBUG_NR_PUCCH_TX
+            printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
+                   mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
+                   table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],
+                   table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],y_n_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],y_n_re[n],
+                   z_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+#endif
           }
+        }
 
-          for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
-            for (int n=0; n<12 ; n++) {
-              z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15)
-                  - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15));
-              z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15)
-                  + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15));
+        for (int m=0; m < N_SF_mprime_PUCCH_DMRS_1; m++) {
+          for (int n=0; n<12 ; n++) {
+            z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15)
+                - (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15));
+            z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_DMRS_1)+(m*12)+n] = (int16_t)((((int32_t)(table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_im[n])>>15)
+                + (((int32_t)(table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_DMRS_1][w_index][m])*r_u_v_alpha_delta_dmrs_re[n])>>15));
 #ifdef DEBUG_NR_PUCCH_TX
-              printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
-                     mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
-                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],
-                     table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],
-                     z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
+            printf("\t [nr_generate_pucch1] block-wise spread with wi(m) (mprime=%d, m=%d, n=%d) z[%d] = ((%d * %d - %d * %d), (%d * %d + %d * %d)) = (%d,%d)\n",
+                   mprime, m, n, (mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n,
+                   table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],
+                   table_6_3_2_4_1_2_Wi_Re[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_im[n],table_6_3_2_4_1_2_Wi_Im[N_SF_mprime_PUCCH_1][w_index][m],r_u_v_alpha_delta_dmrs_re[n],
+                   z_dmrs_re[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n],z_dmrs_im[(mprime*12*N_SF_mprime0_PUCCH_1)+(m*12)+n]);
 #endif
-            }
           }
-
-          N_SF_mprime_PUCCH_1       =   table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (PUCCH)
-          N_SF_mprime_PUCCH_DMRS_1  = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (DM-RS)
         }
+
+        N_SF_mprime_PUCCH_1       =   table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (PUCCH)
+        N_SF_mprime_PUCCH_DMRS_1  = table_6_4_1_3_1_1_1_N_SF_mprime_PUCCH_1_m1Hop[nrofSymbols-1]; // only if intra-slot hopping enabled mprime = 1 (DM-RS)
       }
     }
 
@@ -638,8 +639,9 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
                amp,frame_parms->ofdm_symbol_size,frame_parms->N_RB_DL,frame_parms->first_carrier_offset,i+n,re_offset,
                l,n,((int16_t *)&txdataF[0][re_offset])[0],((int16_t *)&txdataF[0][re_offset])[1]);
 #endif
+//      printf("gNb l=%d\ti=%d\treoffset=%d\tre=%d\tim=%d\n",l,i,re_offset,z_dmrs_re[i+n],z_dmrs_im[i+n]);
       }
-
+      
       re_offset++;
     }
 
diff --git a/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.h b/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.h
index bc7bfad82bbac7950804963deaef347a40b6002a..e8cd147526be502ba16ab3e0e88e9c490e1c43b9 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.h
+++ b/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.h
@@ -42,10 +42,25 @@
 #include "T.h"
 #define ONE_OVER_SQRT2 23170 // 32767/sqrt(2) = 23170 (ONE_OVER_SQRT2)
 
+void nr_decode_pucch1(  int32_t **rxdataF,
+                        pucch_GroupHopping_t pucch_GroupHopping,
+                        uint32_t n_id,       // hoppingID higher layer parameter
+                        uint64_t *payload,
+                        NR_DL_FRAME_PARMS *frame_parms,
+                        int16_t amp,
+                        int nr_tti_tx,
+                        uint8_t m0,
+                        uint8_t nrofSymbols,
+                        uint8_t startingSymbolIndex,
+                        uint16_t startingPRB,
+                        uint16_t startingPRB_intraSlotHopping,
+                        uint8_t timeDomainOCC,
+                        uint8_t nr_bit);
+
 void nr_decode_pucch0( int32_t **rxdataF,
 			pucch_GroupHopping_t PUCCH_GroupHopping,
                         uint32_t n_id,                                       //PHY_VARS_gNB *gNB, generally rxdataf is in gNB->common_vars
-                        uint8_t *payload,
+                        uint64_t *payload,
                         NR_DL_FRAME_PARMS *frame_parms,
                         int16_t amp,
                         int nr_tti_tx,
@@ -74,7 +89,7 @@ void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
                         int16_t amp,
                         int nr_tti_tx,
                         uint8_t m0,
-                        uint8_t mcs,
+			uint8_t mcs,
                         uint8_t nrofSymbols,
                         uint8_t startingSymbolIndex,
                         uint16_t startingPRB);
diff --git a/openair1/PHY/defs_nr_UE.h b/openair1/PHY/defs_nr_UE.h
index 5376a4277056b776b98ca3a8129227e43044a372..29ca3971c68e4f07c857330ef58089e1a2daeac6 100644
--- a/openair1/PHY/defs_nr_UE.h
+++ b/openair1/PHY/defs_nr_UE.h
@@ -822,6 +822,8 @@ typedef struct {
   /// \brief Pointer to PBCH decoded output.
   /// - first index: ? [0..63] (hard coded)
   uint8_t *decoded_output;
+  /// \brief PBCH additional bits
+  uint8_t xtra_byte;
   /// \brief Total number of PDU errors.
   uint32_t pdu_errors;
   /// \brief Total number of PDU errors 128 frames ago.
@@ -923,18 +925,22 @@ typedef struct {
   NR_UE_COMMON    common_vars;
 
   nr_ue_if_module_t *if_inst;
-  nfapi_nr_config_request_t  nrUE_config;
 
-  nr_downlink_indication_t dl_indication;
-  nr_uplink_indication_t ul_indication;
+  //nfapi_nr_config_request_t  nrUE_config; <-- don't use config type for gNB!!!
+  fapi_nr_config_request_t nrUE_config;
+
+  // the following structures are not part of PHY_vars_UE anymore as it is not thread safe. They are now on the stack of the functions that actually need them
+  
+  //nr_downlink_indication_t dl_indication;
+  //nr_uplink_indication_t ul_indication;
   /// UE FAPI DCI request
-  nr_dcireq_t dcireq;
+  //nr_dcireq_t dcireq;
 
   // pointers to the next 2 strcutres are also included in dl_indictation
   /// UE FAPI indication for DLSCH reception
-  fapi_nr_rx_indication_t rx_ind;
+  //fapi_nr_rx_indication_t rx_ind;
   /// UE FAPI indication for DCI reception
-  fapi_nr_dci_indication_t dci_ind;
+  //fapi_nr_dci_indication_t dci_ind;
 
   // point to the current rxTx thread index
   uint8_t current_thread_id[40];
diff --git a/openair1/SCHED_NR_UE/defs.h b/openair1/SCHED_NR_UE/defs.h
index 28bb2c506457cbea281d7a66dc66ec02f36da3fd..79ce987466d0093c2770b783b4b06e4bad5eb3d6 100644
--- a/openair1/SCHED_NR_UE/defs.h
+++ b/openair1/SCHED_NR_UE/defs.h
@@ -123,7 +123,7 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t e
   @param r_type indicates the relaying operation: 0: no_relaying, 1: unicast relaying type 1, 2: unicast relaying type 2, 3: multicast relaying
   @param phy_vars_rn pointer to RN variables
 */
-int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t do_pdcch_flag,runmode_t mode,fapi_nr_pbch_config_t pbch_config);
+int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t do_pdcch_flag,runmode_t mode);
 int phy_procedures_slot_parallelization_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,uint8_t abstraction_flag,uint8_t do_pdcch_flag,runmode_t mode,relaying_type_t r_type);
 
 
diff --git a/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c b/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
index 6ee8fbfaa6f8442003ecb81e55f053fdd14b74ea..31a9f2058fb81d7dd0e07323759785cd1faa63e2 100644
--- a/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
+++ b/openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
@@ -49,10 +49,10 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
   uint8_t cc_id = scheduled_response->CC_id;
   uint32_t i;
   int slot = scheduled_response->slot;
-  uint8_t thread_id = PHY_vars_UE_g[module_id][cc_id]->current_thread_id[slot];
 
   if(scheduled_response != NULL){
     // Note: we have to handle the thread IDs for this. To be revisited completely.
+    uint8_t thread_id = PHY_vars_UE_g[module_id][cc_id]->current_thread_id[slot];
     NR_UE_PDCCH *pdcch_vars2 = PHY_vars_UE_g[module_id][cc_id]->pdcch_vars[thread_id][0];
     NR_UE_DLSCH_t *dlsch0 = PHY_vars_UE_g[module_id][cc_id]->dlsch[thread_id][0][0];
     NR_UE_ULSCH_t *ulsch0 = PHY_vars_UE_g[module_id][cc_id]->ulsch[thread_id][0][0];
@@ -147,6 +147,7 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
 	  ulsch0->harq_processes[current_harq_pid]->mcs = pusch_config_pdu->mcs;
 	  ulsch0->harq_processes[current_harq_pid]->DCINdi = pusch_config_pdu->ndi;
 	  ulsch0->harq_processes[current_harq_pid]->rvidx = pusch_config_pdu->rv;
+	  ulsch0->harq_processes[current_harq_pid]->Nl = pusch_config_pdu->n_layers;
 	  ulsch0->f_pusch = pusch_config_pdu->absolute_delta_PUSCH;
 	}
 	if(ul_config->ul_config_list[i].pdu_type == FAPI_NR_UL_CONFIG_TYPE_PUCCH){
@@ -213,6 +214,8 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
 
 int8_t nr_ue_phy_config_request(nr_phy_config_t *phy_config){
 
+  fapi_nr_config_request_t nrUE_config = PHY_vars_UE_g[phy_config->Mod_id][phy_config->CC_id]->nrUE_config;
+  
   if(phy_config != NULL){
     if(phy_config->config_req.config_mask & FAPI_NR_CONFIG_REQUEST_MASK_PBCH){
       LOG_I(MAC,"[L1][IF module][PHY CONFIG]\n");
@@ -227,6 +230,8 @@ int8_t nr_ue_phy_config_request(nr_phy_config_t *phy_config){
       LOG_I(MAC,"half frame bit:              %d\n", phy_config->config_req.pbch_config.half_frame_bit);
       LOG_I(MAC,"-------------------------------\n");
 
+      memcpy(&nrUE_config.pbch_config,&phy_config->config_req.pbch_config,sizeof(fapi_nr_pbch_config_t));
+      
     }
         
     if(phy_config->config_req.config_mask & FAPI_NR_CONFIG_REQUEST_MASK_DL_BWP_COMMON){
diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
index 3e2512fa8925af656292e5fa33cd58ebce1121c0..5cfea8115f2ef802c8e45d770ab623d10834fb0c 100644
--- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
@@ -2467,7 +2467,6 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t g
 
 
   NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
-  fapi_nr_dci_pdu_rel15_t *ul_dci_pdu;
   NR_UE_ULSCH_t *ulsch_ue;
   NR_UL_UE_HARQ_t *harq_process_ul_ue;
   //int32_t ulsch_start=0;
@@ -2483,7 +2482,6 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t g
   start_meas(&ue->phy_proc_tx);
 #endif
 
-  ul_dci_pdu = &ue->dci_ind.dci_list[0].dci;
 
   harq_pid = 0; //temporary implementation
 
@@ -2497,7 +2495,7 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t g
   harq_process_ul_ue = ulsch_ue->harq_processes[harq_pid];
 
 
-  TBS = nr_compute_tbs(ul_dci_pdu->mcs, harq_process_ul_ue->nb_rb, ulsch_ue->Nsymb_pusch, ulsch_ue->nb_re_dmrs, ulsch_ue->length_dmrs, ul_dci_pdu->precod_nbr_layers);
+  TBS = nr_compute_tbs( harq_process_ul_ue->mcs, harq_process_ul_ue->nb_rb, ulsch_ue->Nsymb_pusch, ulsch_ue->nb_re_dmrs, ulsch_ue->length_dmrs, harq_process_ul_ue->Nl);
 
 //-----------------------------------------------------//
   // to be removed later when MAC is ready
@@ -2527,7 +2525,7 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t g
 
   nr_ue_pusch_common_procedures(ue,
                                 slot_tx,
-                                ul_dci_pdu->precod_nbr_layers,
+                                harq_process_ul_ue->Nl,
                                 &ue->frame_parms);
 
 
@@ -2740,7 +2738,7 @@ void nr_ue_pbch_procedures(uint8_t eNB_id,
 		   ue->pbch_vars[eNB_id],
 		   &ue->frame_parms,
 		   eNB_id,
-		   ue->rx_ind.rx_indication_body[0].mib_pdu.ssb_index,
+		   ue->nrUE_config.pbch_config.ssb_index,
 		   SISO,
 		   ue->high_speed_flag);
 
@@ -2871,6 +2869,10 @@ int nr_ue_pdcch_procedures(uint8_t eNB_id,
 	 nr_tti_rx,nb_searchspace_total);
   #endif
 
+  //FK: we define dci_ind and dl_indication as local variables, this way the call to the mac should be thread safe
+  fapi_nr_dci_indication_t dci_ind;
+  nr_downlink_indication_t dl_indication;
+  
   // p in TS 38.212 Subclause 10.1, for each active BWP the UE can deal with 3 different CORESETs (including coresetId 0 for common search space)
   //int nb_coreset_total = NR_NBR_CORESET_ACT_BWP;
   unsigned int dci_cnt=0;
@@ -3063,7 +3065,7 @@ int nr_ue_pdcch_procedures(uint8_t eNB_id,
     //emos_dump_UE.dci_cnt[nr_tti_rx] = dci_cnt;
 #endif
 
-    ue->dci_ind.number_of_dcis = dci_cnt;
+    dci_ind.number_of_dcis = dci_cnt;
 
     for (int i=0; i<dci_cnt; i++) {
       /*
@@ -3103,12 +3105,12 @@ int nr_ue_pdcch_procedures(uint8_t eNB_id,
 	
 	LOG_D(PHY,"<-NR_PDCCH_PHY_PROCEDURES_UE (nr_ue_pdcch_procedures)-> dci_format=%d, rnti=%d, dci_length=%d, dci_pdu[0]=0x%lx, dci_pdu[1]=0x%lx\n",dci_alloc_rx[i].format,dci_alloc_rx[i].rnti,dci_alloc_rx[i].dci_length,dci_alloc_rx[i].dci_pdu[0],dci_alloc_rx[i].dci_pdu[1]);
 	
-	memset(&ue->dci_ind.dci_list[i].dci,0,sizeof(fapi_nr_dci_pdu_rel15_t));
+	memset(&dci_ind.dci_list[i].dci,0,sizeof(fapi_nr_dci_pdu_rel15_t));
 	
-	ue->dci_ind.dci_list[i].rnti = dci_alloc_rx[i].rnti;
-	ue->dci_ind.dci_list[i].dci_format = dci_alloc_rx[i].format;
-	ue->dci_ind.dci_list[i].n_CCE = dci_alloc_rx[i].firstCCE;
-	ue->dci_ind.dci_list[i].N_CCE = (int)dci_alloc_rx[i].L;
+	dci_ind.dci_list[i].rnti = dci_alloc_rx[i].rnti;
+	dci_ind.dci_list[i].dci_format = dci_alloc_rx[i].format;
+	dci_ind.dci_list[i].n_CCE = dci_alloc_rx[i].firstCCE;
+	dci_ind.dci_list[i].N_CCE = (int)dci_alloc_rx[i].L;
 	
 	status = nr_extract_dci_info(ue,
 				     eNB_id,
@@ -3116,7 +3118,7 @@ int nr_ue_pdcch_procedures(uint8_t eNB_id,
 				     dci_alloc_rx[i].dci_length,
 				     dci_alloc_rx[i].rnti,
 				     dci_alloc_rx[i].dci_pdu,
-				     &ue->dci_ind.dci_list[i].dci,
+				     &dci_ind.dci_list[i].dci,
 				     dci_fields_sizes_cnt[i],
 				     dci_alloc_rx[i].format,
 				     nr_tti_rx,
@@ -3158,16 +3160,16 @@ int nr_ue_pdcch_procedures(uint8_t eNB_id,
       } // end for loop dci_cnt
 
     // fill dl_indication message
-    ue->dl_indication.module_id = ue->Mod_id;
-    ue->dl_indication.cc_id = ue->CC_id;
-    ue->dl_indication.gNB_index = eNB_id;
-    ue->dl_indication.frame = frame_rx;
-    ue->dl_indication.slot = nr_tti_rx;
-    ue->dl_indication.rx_ind = NULL; //no data, only dci for now
-    ue->dl_indication.dci_ind = &ue->dci_ind; 
+    dl_indication.module_id = ue->Mod_id;
+    dl_indication.cc_id = ue->CC_id;
+    dl_indication.gNB_index = eNB_id;
+    dl_indication.frame = frame_rx;
+    dl_indication.slot = nr_tti_rx;
+    dl_indication.rx_ind = NULL; //no data, only dci for now
+    dl_indication.dci_ind = &dci_ind; 
     
     //  send to mac
-    ue->if_inst->dl_indication(&ue->dl_indication);
+    ue->if_inst->dl_indication(&dl_indication);
 
 #if UE_TIMING_TRACE
   stop_meas(&ue->dlsch_rx_pdcch_stats);
@@ -3314,165 +3316,6 @@ int nr_ue_pdcch_procedures(uint8_t eNB_id,
 
 #endif
 
-#if 0
-
-void ue_pmch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc,int eNB_id,int abstraction_flag) {
-
-  int nr_tti_rx = proc->nr_tti_rx;
-  int frame_rx = proc->frame_rx;
-  int pmch_mcs=-1;
-#if defined(Rel10) || defined(Rel14)
-  int CC_id = ue->CC_id;
-#endif
-  uint8_t sync_area=255;
-  uint8_t mcch_active;
-  int l;
-  int ret=0;
-
-  if (is_pmch_subframe(frame_rx,nr_tti_rx,&ue->frame_parms)) {
-    LOG_D(PHY,"ue calling pmch nr_tti_rx ..\n ");
-
-    LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: Querying for PMCH demodulation\n",
-	  ue->Mod_id,(nr_tti_rx==9?-1:0)+frame_rx,nr_tti_rx);
-#if defined(Rel10) || defined(Rel14)
-    /*pmch_mcs = mac_xface->ue_query_mch(ue->Mod_id,
-      CC_id,
-      frame_rx,
-      nr_tti_rx,
-      eNB_id,
-      &sync_area,
-      &mcch_active);*/
-
-#else
-    pmch_mcs=-1;
-#endif
-
-    if (pmch_mcs>=0) {
-      LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: Programming PMCH demodulation for mcs %d\n",ue->Mod_id,frame_rx,nr_tti_rx,pmch_mcs);
-      fill_UE_dlsch_MCH(ue,pmch_mcs,1,0,0);
-
-      if (abstraction_flag == 0 ) {
-	for (l=2; l<12; l++) {
-
-	  slot_fep_mbsfn(ue,
-			 l,
-			 nr_tti_rx,
-			 0,0);//ue->rx_offset,0);
-	}
-
-	for (l=2; l<12; l++) {
-	  rx_pmch(ue,
-		  0,
-		  nr_tti_rx,
-		  l);
-	}
-
-
-	ue->dlsch_MCH[0]->harq_processes[0]->G = get_G(&ue->frame_parms,
-						       ue->dlsch_MCH[0]->harq_processes[0]->nb_rb,
-						       ue->dlsch_MCH[0]->harq_processes[0]->rb_alloc_even,
-						       ue->dlsch_MCH[0]->harq_processes[0]->Qm,
-						       1,
-						       2,
-						       frame_rx,
-						       nr_tti_rx,
-						       0);
-
-	dlsch_unscrambling(&ue->frame_parms,1,ue->dlsch_MCH[0],
-			   ue->dlsch_MCH[0]->harq_processes[0]->G,
-			   ue->pdsch_vars_MCH[0]->llr[0],0,nr_tti_rx<<1);
-
-#ifdef UE_DLSCH_PARALLELISATION
-	ret = dlsch_decoding_mthread(ue,proc, eNB_id,
-				     ue->pdsch_vars_MCH[0]->llr[0],
-				     &ue->frame_parms,
-				     ue->dlsch_MCH[0],
-				     ue->dlsch_MCH[0]->harq_processes[0],
-				     frame_rx,
-				     nr_tti_rx,
-				     0,
-				     0,1);
-#else
-	ret = dlsch_decoding(ue,
-			     ue->pdsch_vars_MCH[0]->llr[0],
-			     &ue->frame_parms,
-			     ue->dlsch_MCH[0],
-			     ue->dlsch_MCH[0]->harq_processes[0],
-			     frame_rx,
-			     nr_tti_rx,
-			     0,
-			     0,1);
-	printf("start pmch dlsch decoding\n");
-#endif
-      } else { // abstraction
-#ifdef PHY_ABSTRACTION
-	ret = dlsch_decoding_emul(ue,
-				  nr_tti_rx,
-				  5, // PMCH
-				  eNB_id);
-#endif
-      }
-
-      if (mcch_active == 1)
-	ue->dlsch_mcch_trials[sync_area][0]++;
-      else
-	ue->dlsch_mtch_trials[sync_area][0]++;
-
-      if (ret == (1+ue->dlsch_MCH[0]->max_turbo_iterations)) {
-	if (mcch_active == 1)
-	  ue->dlsch_mcch_errors[sync_area][0]++;
-	else
-	  ue->dlsch_mtch_errors[sync_area][0]++;
-
-	LOG_D(PHY,"[UE %d] Frame %d, nr_tti_rx %d: PMCH in error (%d,%d), not passing to L2 (TBS %d, iter %d,G %d)\n",
-	      ue->Mod_id,
-              frame_rx,nr_tti_rx,
-	      ue->dlsch_mcch_errors[sync_area][0],
-	      ue->dlsch_mtch_errors[sync_area][0],
-	      ue->dlsch_MCH[0]->harq_processes[0]->TBS>>3,
-	      ue->dlsch_MCH[0]->max_turbo_iterations,
-	      ue->dlsch_MCH[0]->harq_processes[0]->G);
-	dump_mch(ue,0,ue->dlsch_MCH[0]->harq_processes[0]->G,nr_tti_rx);
-#ifdef DEBUG_DLSCH
-
-	for (int i=0; i<ue->dlsch_MCH[0]->harq_processes[0]->TBS>>3; i++) {
-	  LOG_T(PHY,"%02x.",ue->dlsch_MCH[0]->harq_processes[0]->c[0][i]);
-	}
-
-	LOG_T(PHY,"\n");
-#endif
-
-	if (nr_tti_rx==9)
-	  //mac_xface->macphy_exit("Why are we exiting here?");
-	  } else { // decoding successful
-#if defined(Rel10) || defined(Rel14)
-
-	if (mcch_active == 1) {
-	  /*mac_xface->ue_send_mch_sdu(ue->Mod_id,
-	    CC_id,
-	    frame_rx,
-	    ue->dlsch_MCH[0]->harq_processes[0]->b,
-	    ue->dlsch_MCH[0]->harq_processes[0]->TBS>>3,
-	    eNB_id,// not relevant in eMBMS context
-	    sync_area);*/
-	  ue->dlsch_mcch_received[sync_area][0]++;
-
-
-	  if (ue->dlsch_mch_received_sf[nr_tti_rx%5][0] == 1 ) {
-	    ue->dlsch_mch_received_sf[nr_tti_rx%5][0]=0;
-	  } else {
-	    ue->dlsch_mch_received[0]+=1;
-	    ue->dlsch_mch_received_sf[nr_tti_rx][0]=1;
-	  }
-
-
-	}
-#endif // Rel10 || Rel14
-      } // decoding sucessful
-    } // pmch_mcs>=0
-  } // is_pmch_subframe=true
-}
-#endif
 
 void copy_harq_proc_struct(NR_DL_UE_HARQ_t *harq_processes_dest, NR_DL_UE_HARQ_t *current_harq_processes)
 {
@@ -3703,9 +3546,9 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
   NR_UE_PDSCH *pdsch_vars;
   uint8_t is_cw0_active = 0;
   uint8_t is_cw1_active = 0;
-  nfapi_nr_config_request_t *cfg = &ue->nrUE_config;
-  uint8_t dmrs_type = cfg->pdsch_config.dmrs_type.value;
-  uint8_t nb_re_dmrs = (dmrs_type==NFAPI_NR_DMRS_TYPE1)?6:4;
+  //nfapi_nr_config_request_t *cfg = &ue->nrUE_config;
+  //uint8_t dmrs_type = cfg->pdsch_config.dmrs_type.value;
+  uint8_t nb_re_dmrs = 6; //(dmrs_type==NFAPI_NR_DMRS_TYPE1)?6:4;
   uint16_t length_dmrs = 1; //cfg->pdsch_config.dmrs_max_length.value;
   uint16_t nb_symb_sch = 9;
 
@@ -4244,20 +4087,20 @@ void *UE_thread_slot1_dl_processing(void *arg) {
 #endif
 
 
-int is_pbch_in_slot(fapi_nr_pbch_config_t pbch_config, int frame, int slot, int periodicity, uint16_t slots_per_frame)  {
+int is_pbch_in_slot(fapi_nr_pbch_config_t *pbch_config, int frame, int slot, int periodicity, uint16_t slots_per_frame)  {
 
-  int ssb_slot_decoded = (pbch_config.ssb_index)/2;
+  int ssb_slot_decoded = (pbch_config->ssb_index)/2;
 
   if (periodicity == 5) {  
     // check for pbch in corresponding slot each half frame
-    if (pbch_config.half_frame_bit)
+    if (pbch_config->half_frame_bit)
       return(slot == ssb_slot_decoded || slot == ssb_slot_decoded - slots_per_frame/2);
     else
       return(slot == ssb_slot_decoded || slot == ssb_slot_decoded + slots_per_frame/2);
   }
   else {
     // if the current frame is supposed to contain ssb
-    if (!((frame-(pbch_config.system_frame_number))%(periodicity/10)))
+    if (!((frame-(pbch_config->system_frame_number))%(periodicity/10)))
       return(slot == ssb_slot_decoded);
     else
       return 0;
@@ -4266,8 +4109,7 @@ int is_pbch_in_slot(fapi_nr_pbch_config_t pbch_config, int frame, int slot, int
 
 
 int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eNB_id,
-			   uint8_t do_pdcch_flag,runmode_t mode,
-			   fapi_nr_pbch_config_t pbch_config) {
+			   uint8_t do_pdcch_flag,runmode_t mode) {
 
 
 
@@ -4284,6 +4126,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
   uint8_t nb_symb_pdcch = pdcch_vars->coreset[0].duration;
   uint8_t ssb_periodicity = 10;// ue->ssb_periodicity; // initialized to 5ms in nr_init_ue for scenarios where UE is not configured (otherwise acquired by cell configuration from gNB or LTE)
   uint8_t dci_cnt = 0;
+  fapi_nr_pbch_config_t *pbch_config = &ue->nrUE_config.pbch_config;
   
   LOG_D(PHY," ****** start RX-Chain for Frame.Slot %d.%d ******  \n", frame_rx%1024, nr_tti_rx);
 
@@ -4466,7 +4309,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,UE_nr_rxtx_proc_t *proc,uint8_t eN
 #if UE_TIMING_TRACE
   	start_meas(&ue->dlsch_channel_estimation_stats);
 #endif
-   	nr_pbch_channel_estimation(ue,0,nr_tti_rx,(ue->symbol_offset+i)%(ue->frame_parms.symbols_per_slot),i-1,(pbch_config.ssb_index)&7,pbch_config.half_frame_bit);
+   	nr_pbch_channel_estimation(ue,0,nr_tti_rx,(ue->symbol_offset+i)%(ue->frame_parms.symbols_per_slot),i-1,(pbch_config->ssb_index)&7,pbch_config->half_frame_bit);
 #if UE_TIMING_TRACE
   	stop_meas(&ue->dlsch_channel_estimation_stats);
 #endif
diff --git a/openair1/SIMULATION/NR_PHY/dlsim.c b/openair1/SIMULATION/NR_PHY/dlsim.c
index 218ea6d81ca7625fb4f59f49d8c2825ec6e23a35..6de75681c90756bec8babb65cfdea5a884563230 100644
--- a/openair1/SIMULATION/NR_PHY/dlsim.c
+++ b/openair1/SIMULATION/NR_PHY/dlsim.c
@@ -685,6 +685,8 @@ int main(int argc, char **argv)
   UE_mac->phy_config.config_req.pbch_config.ssb_index = 0;
   UE_mac->phy_config.config_req.pbch_config.half_frame_bit = 0;
 
+  nr_ue_phy_config_request(&UE_mac->phy_config);
+
   for (SNR=snr0; SNR<snr1; SNR+=.2) {
 
     n_errors = 0;
@@ -735,8 +737,7 @@ int main(int argc, char **argv)
 			       &UE_proc,
 			       0,
 			       do_pdcch_flag,
-			       normal_txrx,
-			       UE_mac->phy_config.config_req.pbch_config);
+			       normal_txrx);
 
 	if (n_trials==1) {
 	  LOG_M("rxsigF0.m","rxsF0", UE->common_vars.common_vars_rx_data_per_thread[0].rxdataF[0],slot_length_complex_samples_no_prefix,1,1);
@@ -744,7 +745,7 @@ int main(int argc, char **argv)
 	    LOG_M("rxsigF1.m","rxsF1", UE->common_vars.common_vars_rx_data_per_thread[0].rxdataF[1],slot_length_complex_samples_no_prefix,1,1);
 	}
 	
-	if (UE->dci_ind.number_of_dcis==0) n_errors++;
+	if (UE_mac->dl_config_request.number_pdus==0) n_errors++;
       }
     } //noise trials
 
diff --git a/openair1/SIMULATION/NR_PHY/pbchsim.c b/openair1/SIMULATION/NR_PHY/pbchsim.c
index 74354c28c9ae61f20c2b80759d97ff98cd78a7c2..b58ed0f6fc198fd1d4c9c0ad1052653c4f9c828e 100644
--- a/openair1/SIMULATION/NR_PHY/pbchsim.c
+++ b/openair1/SIMULATION/NR_PHY/pbchsim.c
@@ -637,10 +637,10 @@ int main(int argc, char **argv)
 	  uint8_t gNB_xtra_byte=0;
 	  for (int i=0; i<8; i++)
 	    gNB_xtra_byte |= ((gNB->pbch.pbch_a>>(31-i))&1)<<(7-i);
-	  
-	  payload_ret = (UE->rx_ind.rx_indication_body->mib_pdu.additional_bits == gNB_xtra_byte);
+
+	  payload_ret = (UE->pbch_vars[0]->xtra_byte == gNB_xtra_byte);
 	  for (i=0;i<3;i++){
-	    payload_ret += (UE->rx_ind.rx_indication_body->mib_pdu.pdu[i] == gNB->pbch_pdu[2-i]);
+	    payload_ret += (UE->pbch_vars[0]->decoded_output[i] == gNB->pbch_pdu[2-i]);
 	    //printf("pdu byte %d gNB: 0x%02x UE: 0x%02x\n",i,gNB->pbch_pdu[i], UE->rx_ind.rx_indication_body->mib_pdu.pdu[i]); 
 	  } 
 	  //printf("xtra byte gNB: 0x%02x UE: 0x%02x\n",gNB_xtra_byte, UE->rx_ind.rx_indication_body->mib_pdu.additional_bits);
@@ -656,7 +656,6 @@ int main(int argc, char **argv)
 
     if (((float)n_errors/(float)n_trials <= target_error_rate) && (n_errors_payload==0)) {
       printf("PBCH test OK\n");
-      printf("Synchronization obtained for i_ssb = %d\n",UE->rx_ind.rx_indication_body[0].mib_pdu.ssb_index);
       break;
     }
       
diff --git a/openair1/SIMULATION/NR_PHY/pucchsim.c b/openair1/SIMULATION/NR_PHY/pucchsim.c
index 19e0e7dc25af48217c833b64cb9e2cbf29215644..a92f12817706b914a3c4c91e24d1545aee6df343 100644
--- a/openair1/SIMULATION/NR_PHY/pucchsim.c
+++ b/openair1/SIMULATION/NR_PHY/pucchsim.c
@@ -83,10 +83,8 @@ PHY_VARS_NR_UE * PHY_vars_UE_g[1][1]={{NULL}};
 
 int main(int argc, char **argv)
 {
-
   char c;
-
-  int i,aa;//,l;
+  int i,aa=0;//,l;
   double sigma2, sigma2_dB=10,SNR,snr0=-2.0,snr1=2.0;
   double cfo=0;
   uint8_t snr1set=0;
@@ -100,38 +98,32 @@ int main(int argc, char **argv)
   //int freq_offset;
   //  int subframe_offset;
   //  char fname[40], vname[40];
-  int trial,n_trials=1,n_errors=0;
+  int trial,n_trials=100,n_errors=0,ack_nack_errors=0;
   uint8_t transmission_mode = 1,n_tx=1,n_rx=1;
   uint16_t Nid_cell=0;
   uint64_t SSB_positions=0x01;
-
   channel_desc_t *gNB2UE;
-
+  int format=0;
   uint8_t extended_prefix_flag=0;
-  int8_t interf1=-21,interf2=-21;
-
-  FILE *input_fd=NULL,*pbch_file_fd=NULL;
-
-  //uint32_t nsymb,tx_lev,tx_lev1 = 0,tx_lev2 = 0;
-  //char input_val_str[50],input_val_str2[50];
-  //uint8_t frame_mod4,num_pdcch_symbols = 0;
-  //double pbch_sinr;
-  //int pbch_tx_ant;
-
+  FILE *input_fd=NULL;
+  uint8_t nacktoack_flag=0;
+  int16_t amp=0x7FFF;
+  int nr_tti_tx=0; 
+  uint64_t actual_payload=0,payload_received;//payload bits b7b6...b2b1b0 where b7..b3=0 b2b1=HARQ b0 is SR. payload maximum value is 7 for pucch format 0 
+  int nr_bit=1; // maximum value possible is 2
+  uint8_t m0=0;// higher layer paramater initial cyclic shift
+  uint8_t nrofSymbols=1; //number of OFDM symbols can be 1-2 for format 1
+  uint8_t startingSymbolIndex=0; // resource allocated see 9.2.1, 38.213 for more info.should be actually present in the resource set provided
+  uint16_t startingPRB=0,startingPRB_intraSlotHopping=0; //PRB number not sure see 9.2.1, 38.213 for more info. Should be actually present in the resource set provided
+  uint8_t timeDomainOCC=0;
   SCM_t channel_model=AWGN;//Rayleigh1_anticorr;
-
-
+  
   int N_RB_DL=273,mu=1;
-
-  unsigned char frame_type = 0;
-  unsigned char pbch_phase = 0;
-
-  int frame=0,subframe=0;
+  float target_error_rate=0.01;
   int frame_length_complex_samples;
   int frame_length_complex_samples_no_prefix;
   NR_DL_FRAME_PARMS *frame_parms;
-  nfapi_nr_config_request_t *gNB_config;
-
+  unsigned char frame_type = 0;
   int loglvl=OAILOG_WARNING;
 
   cpuf = get_cpu_freq_GHz();
@@ -142,7 +134,7 @@ int main(int argc, char **argv)
 
   randominit(0);
 
-  while ((c = getopt (argc, argv, "f:hA:pf:g:i:j:n:o:s:S:t:x:y:z:N:F:GR:dP:IL:")) != -1) {
+  while ((c = getopt (argc, argv, "f:hA:pf:g:i:P:b:T:n:o:s:S:t:x:y:z:N:F:GR:d:IL")) != -1) {
     switch (c) {
     case 'f':
       write_output_file=1;
@@ -196,14 +188,6 @@ int main(int argc, char **argv)
 
       break;
 
-    case 'i':
-      interf1=atoi(optarg);
-      break;
-
-    case 'j':
-      interf2=atoi(optarg);
-      break;
-
     case 'n':
       n_trials = atoi(optarg);
       break;
@@ -292,18 +276,22 @@ int main(int argc, char **argv)
 
       break;
 
-    case 'P':
-      pbch_phase = atoi(optarg);
-
-      if (pbch_phase>3)
-        printf("Illegal PBCH phase (0-3) got %d\n",pbch_phase);
-
-      break;
-
     case 'L':
       loglvl = atoi(optarg);
       break;
-
+    case 'i':
+      nrofSymbols=(uint8_t)atoi(optarg);
+      break;
+    case 'P':
+      format=atoi(optarg);
+      break;
+    case 'b':
+      nr_bit=atoi(optarg);
+      break;
+    case 'T':
+      nacktoack_flag=(uint8_t)atoi(optarg);
+      target_error_rate=0.001;
+      break;
     default:
     case 'h':
       printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n",
@@ -329,11 +317,14 @@ int main(int argc, char **argv)
       //    printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
       printf("-f Output filename (.txt format) for Pe/SNR results\n");
       printf("-F Input filename (.txt format) for RX conformance testing\n");
+      printf("-i Enter number of ofdm symbols for pucch\n");
+      printf("-P Enter the format of PUCCH\n");
+      printf("-b number of HARQ bits (1-2)\n");
+      printf("-T to check nacktoack miss for format 1");
       exit (-1);
       break;
     }
-  }
-
+  } 
   logInit();
   set_glog(loglvl);
   T_stdout = 1;
@@ -347,7 +338,6 @@ int main(int argc, char **argv)
   RC.gNB[0] = (PHY_VARS_gNB**) malloc(sizeof(PHY_VARS_gNB *));
   RC.gNB[0][0] = malloc(sizeof(PHY_VARS_gNB));
   gNB = RC.gNB[0][0];
-  gNB_config = &gNB->gNB_config;
   frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH)
   frame_parms->nb_antennas_tx = n_tx;
   frame_parms->nb_antennas_rx = n_rx;
@@ -436,9 +426,6 @@ int main(int argc, char **argv)
     bzero(r_re[i],frame_length_complex_samples*sizeof(int));
   
   }
-  if (pbch_file_fd!=NULL) {
-    load_pbch_desc(pbch_file_fd);
-  }
 
 
   //configure UE
@@ -456,63 +443,89 @@ int main(int argc, char **argv)
     printf("Error at UE NR initialisation\n");
     exit(-1);
   }
-  int16_t amp=0x1FFF;
-  int nr_tti_tx=0; //According to standards it is Slot number within a frame for subcarrier spacing configuration μ but not sure why he made the variable name so 4.3.2,38.211
-  nr_gold_pbch(UE);
-  // generate signal
-// pucch_config_common_nr should assign values for this if not done before structure in ue being used by functions
-  uint8_t actual_payload=0,payload_received;//payload bits b7b6...b2b1b0 where b7..b3=0 b2b1=HARQ b0 is SR. payload maximum value is 7
-  uint8_t mcs; 
-  int nr_bit=1; // maximum value possible is 2
-/*if(nr_bit==1){
-       mcs=table1_mcs[actual_payload];
-       }
- else{
-       mcs=table2_mcs[actual_payload];
-       }*/
-  uint8_t m0=0;// higher layer paramater initial cyclic shift
-  uint8_t nrofSymbols=1; //number of OFDM symbols can be 1-2 for format 1
-  uint8_t startingSymbolIndex=0; // resource allocated see 9.2.1, 38.213 for more info.should be actually present in the resource set provided
-  uint16_t startingPRB=5; //PRB number not sure see 9.2.1, 38.213 for more info. Should be actually present in the resource set provided
+  uint8_t mcs=0;
+  startingPRB_intraSlotHopping=N_RB_DL-1;
   pucch_GroupHopping_t PUCCH_GroupHopping=UE->pucch_config_common_nr->pucch_GroupHopping;
   uint32_t n_id=UE->pucch_config_common_nr->hoppingId;
-  printf("\nsnr1=%f\n",snr1);
+  if((format!=0) && (format!=1)){
+    printf("format not supported\n");
+    exit(0); 
+  }
+  if(nacktoack_flag==0){ 
+    if(format==0){
+      if(nr_bit==1){
+        actual_payload=2;
+        mcs=table1_mcs[actual_payload];
+      }
+      else if(nr_bit==2){
+        actual_payload=6;
+        mcs=table2_mcs[actual_payload];
+      }
+      else{
+        printf("Number of HARQ bits possible is 1-2\n");
+        exit(0);
+      }
+    }
+    else {
+      if(nr_bit==1)
+        actual_payload=1;
+      else if(nr_bit==2)
+        actual_payload=3;
+      else{
+        printf("number of bits carried by PUCCH format1 is 1-2\n");
+      }
+    }
+  }   
   for(SNR=snr0;SNR<=snr1;SNR=SNR+1){
+    ack_nack_errors=0;
     n_errors = 0;
     sigma2_dB = 20*log10((double)amp/32767)-SNR;
     sigma2 = pow(10,sigma2_dB/10);
-    printf("entering SNR value %f\n",SNR);
     for (trial=0; trial<n_trials; trial++) {
       bzero(txdata[0],frame_length_complex_samples*sizeof(int));
-      actual_payload=trial%4;
-      if(nr_bit==1){
-      	mcs=table1_mcs[actual_payload];
+      if(format==0){
+        nr_generate_pucch0(UE,txdata,frame_parms,UE->pucch_config_dedicated,amp,nr_tti_tx,m0,mcs,nrofSymbols,startingSymbolIndex,startingPRB);
       }
       else{
-        mcs=table2_mcs[actual_payload];
-      }				
-      nr_generate_pucch0(UE,txdata,frame_parms,UE->pucch_config_dedicated,amp,nr_tti_tx,m0,mcs,nrofSymbols,startingSymbolIndex,startingPRB);
-		
-      for (i=0; i<frame_length_complex_samples; i++) {
-        r_re[0][i]=((double)(((int16_t *)txdata[0])[(i<<1)])/32767 + sqrt(sigma2/2)*gaussdouble(0.0,1.0));
-	r_im[0][i]=((double)(((int16_t *)txdata[0])[(i<<1)+1])/32767 + sqrt(sigma2/2)*gaussdouble(0.0,1.0));
-	if(r_re[0][i]<-1) 
-          r_re[0][i]=-1; 
-	else if(r_re[0][i]>1)
-          r_re[0][i]=1;
-	if(r_im[0][i]<-1) 
-          r_im[0][i]=-1;
-	else if(r_im[0][i]>1)
-          r_im[0][0]=1;	
-	((int16_t *)txdata[0])[(i<<1)]  = (int16_t)round(r_re[0][i]*32767);
-	((int16_t *)txdata[0])[(i<<1)+1] =(int16_t)round(r_im[0][i]*32767);
-		
+        nr_generate_pucch1(UE,txdata,frame_parms,UE->pucch_config_dedicated,actual_payload,amp,nr_tti_tx,m0,nrofSymbols,startingSymbolIndex,startingPRB,startingPRB_intraSlotHopping,0,nr_bit);	
+      }
+      for(i=0; i<frame_length_complex_samples; i++) {
+        r_re[aa][i]=((double)(((int16_t *)txdata[0])[(i<<1)])/32767 + sqrt(sigma2/2)*gaussdouble(0.0,1.0));
+	r_im[aa][i]=((double)(((int16_t *)txdata[0])[(i<<1)+1])/32767+ sqrt(sigma2/2)*gaussdouble(0.0,1.0));
+	r_re[aa][i]=r_re[0][i]/(sqrt(sigma2/2)+1);
+	r_im[aa][i]=r_im[0][i]/(sqrt(sigma2/2)+1);
+	if(r_re[aa][i]<-1) 
+          r_re[aa][i]=-1; 
+	else if(r_re[aa][i]>1)
+          r_re[aa][i]=1;
+	if(r_im[aa][i]<-1) 
+          r_im[aa][i]=-1;
+	else if(r_im[aa][i]>1)
+          r_im[aa][i]=1;	
+	((int16_t *)txdata[aa])[(i<<1)]  = (int16_t)round(r_re[aa][i]*32767);
+	((int16_t *)txdata[aa])[(i<<1)+1] =(int16_t)round(r_im[aa][i]*32767);	
+      }
+      if(format==0){
+        nr_decode_pucch0(txdata,PUCCH_GroupHopping,n_id,&(payload_received),frame_parms,amp,nr_tti_tx,m0,nrofSymbols,startingSymbolIndex,startingPRB,nr_bit);
+	if(nr_bit==1)
+	  ack_nack_errors+=(((actual_payload^payload_received)&2)>>1);
+	else
+	  ack_nack_errors+=(((actual_payload^payload_received)&2)>>1) + (((actual_payload^payload_received)&4)>>2);	
+      }
+      else{
+        nr_decode_pucch1(txdata,PUCCH_GroupHopping,n_id,&(payload_received),frame_parms,amp,nr_tti_tx,m0,nrofSymbols,startingSymbolIndex,startingPRB,startingPRB_intraSlotHopping,timeDomainOCC,nr_bit);
+	if(nr_bit==1)
+	  ack_nack_errors+=((actual_payload^payload_received)&1);
+	else
+	  ack_nack_errors+=((actual_payload^payload_received)&1) + (((actual_payload^payload_received)&2)>>1);	
       }
-      nr_decode_pucch0(txdata,PUCCH_GroupHopping,n_id,&(payload_received),frame_parms,amp,nr_tti_tx,m0,nrofSymbols,startingSymbolIndex,startingPRB,nr_bit);
       n_errors=((actual_payload^payload_received)&1)+(((actual_payload^payload_received)&2)>>1)+(((actual_payload^payload_received)&4)>>2)+n_errors;
-      //printf("actual_payload=%x,payload_received=%x",actual_payload,payload_received);
     }
     printf("SNR=%f, n_trials=%d, n_bit_errors=%d\n",SNR,n_trials,n_errors);
+    if((float)ack_nack_errors/(float)(nr_bit*n_trials)<=target_error_rate){
+      printf("PUCCH test OK\n");
+      break;
+    }
   }
   for (i=0; i<2; i++) {
     free(s_re[i]);
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 2895a5272eafef620058761b73c59091032f8dbd..46ae206a3aaa68f5859f330127d74c63bf773932 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -55,6 +55,7 @@
 #include "PHY/TOOLS/tools_defs.h"
 #include "PHY/NR_TRANSPORT/nr_sch_dmrs.h"
 #include "PHY/phy_vars.h"
+#include "SCHED_NR_UE/fapi_nr_ue_l1.h"
 
 //#include "PHY/MODULATION/modulation_common.h"
 //#include "common/config/config_load_configmodule.h"
@@ -170,6 +171,7 @@ int main(int argc, char **argv) {
   int start_symbol = NR_SYMBOLS_PER_SLOT - nb_symb_sch;
   uint16_t nb_rb = 50;
   uint8_t Imcs = 9;
+  uint8_t precod_nbr_layers = 1;
   int gNB_id = 0;
   int ap;
   int tx_offset;
@@ -182,7 +184,6 @@ int main(int argc, char **argv) {
   cpuf = get_cpu_freq_GHz();
 
 
-  fapi_nr_dci_pdu_rel15_t *ul_dci_pdu;
   UE_nr_rxtx_proc_t UE_proc;
 
 
@@ -444,11 +445,6 @@ int main(int argc, char **argv) {
     }
   }
 
-  ul_dci_pdu = &UE->dci_ind.dci_list[0].dci;
-
-  ul_dci_pdu->mcs = Imcs;
-  ul_dci_pdu->rv = 0;
-  ul_dci_pdu->precod_nbr_layers = 1;
 
   unsigned char harq_pid = 0;
   unsigned int TBS = 8424;
@@ -459,14 +455,14 @@ int main(int argc, char **argv) {
 
   mod_order      = nr_get_Qm(Imcs, 1);
   available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1);
-  TBS            = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, ul_dci_pdu->precod_nbr_layers);
+  TBS            = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, precod_nbr_layers);
 
   NR_gNB_ULSCH_t *ulsch_gNB = gNB->ulsch[UE_id+1][0];
   nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &ulsch_gNB->harq_processes[harq_pid]->ulsch_pdu;
   
   NR_UE_ULSCH_t **ulsch_ue = UE->ulsch[0][0];
 
-  // --------- setting rel15_ul parameters ----------
+  // --------- setting rel15_ul parameters for gNB --------
   rel15_ul->rnti                           = n_rnti;
   rel15_ul->ulsch_pdu_rel15.start_rb       = start_rb;
   rel15_ul->ulsch_pdu_rel15.number_rbs     = nb_rb;
@@ -477,9 +473,41 @@ int main(int argc, char **argv) {
   rel15_ul->ulsch_pdu_rel15.Qm             = mod_order;
   rel15_ul->ulsch_pdu_rel15.mcs            = Imcs;
   rel15_ul->ulsch_pdu_rel15.rv             = 0;
-  rel15_ul->ulsch_pdu_rel15.n_layers       = ul_dci_pdu->precod_nbr_layers;
+  rel15_ul->ulsch_pdu_rel15.ndi            = 0;
+  rel15_ul->ulsch_pdu_rel15.n_layers       = precod_nbr_layers;
   ///////////////////////////////////////////////////
 
+  nr_scheduled_response_t scheduled_response;
+  fapi_nr_ul_config_request_t ul_config;
+  //fapi_nr_tx_request_t tx_request;
+
+  scheduled_response.module_id = 0;
+  scheduled_response.CC_id = 0;
+  scheduled_response.frame = frame;
+  scheduled_response.slot = slot;
+  scheduled_response.dl_config = NULL;
+  scheduled_response.ul_config = &ul_config;
+  scheduled_response.dl_config = NULL;
+  
+
+  ul_config.sfn_slot = slot;
+  ul_config.number_pdus = 1;
+  ul_config.ul_config_list[0].pdu_type = FAPI_NR_UL_CONFIG_TYPE_PUSCH;
+  ul_config.ul_config_list[0].ulsch_config_pdu.rnti = n_rnti;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.number_rbs = nb_rb;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.start_rb = start_rb;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.number_symbols = nb_symb_sch;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.start_symbol = start_symbol;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.mcs = Imcs;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.ndi = 0;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.rv = 0;
+  ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.n_layers = precod_nbr_layers;
+  //there are plenty of other parameters that we don't seem to be using for now. e.g.
+  //ul_config.ul_config_list[0].ulsch_config_pdu.ulsch_pdu_rel15.absolute_delta_PUSCH = 0; 
+
+  // set FAPI parameters for UE, put them in the scheduled response and call 
+  //nr_ue_scheduled_response(&scheduled_response);
+
   unsigned char *estimated_output_bit;
   unsigned char *test_input_bit;
   unsigned int errors_bit = 0;
diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
index da2da96c502bd1ecb3d435f3bfae13401bcb75e5..f9cddb432799d422dfb61ccd791ec0ec5091113b 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
@@ -583,6 +583,9 @@ int8_t nr_ue_decode_mib(
         mac->type0_pdcch_ss_n_c = n_c;
         
 	    // fill in the elements in config request inside P5 message
+	mac->phy_config.Mod_id = module_id;
+	mac->phy_config.CC_id = cc_id;
+
 	    mac->phy_config.config_req.pbch_config.system_frame_number = frame;    //  after calculation
 	    mac->phy_config.config_req.pbch_config.subcarrier_spacing_common = mac->mib->subCarrierSpacingCommon;
 	    mac->phy_config.config_req.pbch_config.ssb_subcarrier_offset = ssb_subcarrier_offset;  //  after calculation
diff --git a/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c b/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
index c9f393cf46fa2e8387e6d871983d9a28dfd0a29c..92464f4448949e66acd24cc01782f1058fac6627 100644
--- a/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
+++ b/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
@@ -72,14 +72,15 @@ int handle_dci(module_id_t module_id, int cc_id, unsigned int gNB_index, fapi_nr
 //  L2 Abstraction Layer
 int8_t handle_dlsch (module_id_t module_id, int cc_id, uint8_t gNB_index, fapi_nr_dci_indication_t *dci_ind, uint8_t *pduP, uint32_t pdu_len){
 
-  //    return 0;
+  return 0;
+  /*
   return nr_ue_process_dlsch( module_id,
 			      cc_id,
 			      gNB_index,
 			      dci_ind,
 			      pduP,
 			      pdu_len);
-
+  */
 }
 
 int nr_ue_ul_indication(nr_uplink_indication_t *ul_info){
@@ -156,6 +157,9 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info){
 			      (dl_info->dci_ind->dci_list+i)->rnti, 
 			      (dl_info->dci_ind->dci_list+i)->dci_format)) << FAPI_NR_DCI_IND;
 
+      AssertFatal( nr_ue_if_module_inst[module_id] != NULL, "IF module is void!\n" );
+      nr_ue_if_module_inst[module_id]->scheduled_response(&mac->scheduled_response);
+
 
       /*switch((dl_info->dci_ind->dci_list+i)->dci_type){
 	case FAPI_NR_DCI_TYPE_0_0:
@@ -242,9 +246,6 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info){
   dl_info->rx_ind = NULL;
   dl_info->dci_ind = NULL;
 
-  AssertFatal( nr_ue_if_module_inst[module_id] != NULL, "IF module is void!\n" );
-  nr_ue_if_module_inst[module_id]->scheduled_response(&mac->scheduled_response);
-
   return 0;
 }
 
diff --git a/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h b/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h
index c1c85227491927b665676af811dfb7ce16b82471..3f642cac4b39e8b02fd494151483b3a9d7e40deb 100755
--- a/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h
+++ b/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h
@@ -65,6 +65,7 @@ typedef struct {
     frame_t frame;
     /// slot
     int slot;
+    /// proc is needed to signal back decoded frame number to PHY. However, this is not really FAPI procedure and should be done differently
     UE_nr_rxtx_proc_t * proc;
 
     /// NR UE FAPI-like P7 message, direction: L1 to L2
diff --git a/targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c b/targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
index 75a7825669d2320c062ded059aa1ced9c05987bf..2613babc7bc65406ebcdfe0ed1988afe1c2ae017 100644
--- a/targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
+++ b/targets/ARCH/BLADERF/USERSPACE/LIB/bladerf_lib.c
@@ -1124,6 +1124,7 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
   device->trx_set_gains_func   = trx_brf_set_gains;
   device->openair0_cfg = openair0_cfg;
   device->priv = (void *)brf;
+  device->uhd_set_thread_priority = NULL;
 
   calibrate_rf(device);
 
diff --git a/targets/ARCH/COMMON/common_lib.c b/targets/ARCH/COMMON/common_lib.c
index 27fd632a65b012b816093cb3be224f96c6515a86..2e0107916b6a9c86b8213a82add8a463197b6d11 100644
--- a/targets/ARCH/COMMON/common_lib.c
+++ b/targets/ARCH/COMMON/common_lib.c
@@ -109,7 +109,6 @@ int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, eth_param
     else 
       libname=OAI_RF_LIBNAME;
       shlib_fdesc[0].fname="device_init";
-      //shlib_fdesc[1].fname="uhd_set_thread_priority";
     } else {
       libname=OAI_TP_LIBNAME;
       shlib_fdesc[0].fname="transport_init";      
@@ -119,32 +118,12 @@ int load_lib(openair0_device *device, openair0_config_t *openair0_cfg, eth_param
        LOG_E(HW,"Library %s couldn't be loaded\n",libname);
   } else {
        ret=((devfunc_t)shlib_fdesc[0].fptr)(device,openair0_cfg,cfg);
-       //uhd_set_thread_priority_fun = (set_prio_func_t)shlib_fdesc[1].fptr;
   }    
   return ret; 	       
 }
 
 
-void uhd_set_thread_prio(void) {
-  
-  loader_shlibfunc_t shlib_fdesc[1];
-  int ret = 0;
 
-  char *libname;
-  if (getenv("RFSIMULATOR") != NULL) 
-    libname="rfsimulator";
-  else 
-    libname=OAI_RF_LIBNAME;
-  shlib_fdesc[0].fname="uhd_set_thread_priority";
-  ret=load_module_shlib(libname,shlib_fdesc,1,NULL);
-  if (ret < 0) {
-    LOG_E(HW,"Library %s couldn't be loaded\n",libname);
-  } else {
-    (set_prio_func_t)shlib_fdesc[0].fptr();
-  }    
-  return ret; 	    
-  
-}
 
 int openair0_device_load(openair0_device *device, openair0_config_t *openair0_cfg) {
   
diff --git a/targets/ARCH/COMMON/common_lib.h b/targets/ARCH/COMMON/common_lib.h
index 1df50ecd24e62634f293662814c768c9517c29e0..aca0bd64a27ff39ac06125b42819d85b615abbfc 100644
--- a/targets/ARCH/COMMON/common_lib.h
+++ b/targets/ARCH/COMMON/common_lib.h
@@ -387,6 +387,10 @@ struct openair0_device_t {
    * \param arg pointer to capabilities or configuration
    */
   void (*configure_rru)(int idx, void *arg);
+
+  /*! \brief set UHD thread priority
+   */
+  void (*uhd_set_thread_priority)(void);
 };
 
 /* type of device init function, implemented in shared lib */
@@ -445,9 +449,7 @@ int openair0_set_rx_frequencies(openair0_device *device, openair0_config_t *open
 #define gettid() syscall(__NR_gettid)
 /*@}*/
 
-  void uhd_set_thread_prio(void);
-  typedef void(*set_prio_func_t)(void);
-  set_prio_func_t uhd_set_thread_priority_fun;
+
 
 #ifdef __cplusplus
 }
diff --git a/targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c b/targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
index 108c4ca069e07ee71c7b3625cb5b5b8f5c9740ad..1475052b160de3283890c7f271ad45b20d53b534 100644
--- a/targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
+++ b/targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
@@ -401,6 +401,7 @@ int transport_init(openair0_device *device, openair0_config_t *openair0_cfg, eth
   device->trx_stop_func        = trx_eth_stop;
   device->trx_set_freq_func = trx_eth_set_freq;
   device->trx_set_gains_func = trx_eth_set_gains;
+  device->uhd_set_thread_priority = NULL;
   
   if (eth->flags == ETH_RAW_MODE) {
     device->trx_write_func   = trx_eth_write_raw;
diff --git a/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c b/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
index 7d23cdeb8929391659e668f60c4edf118cd01891..5bbe48df174fce787afa36847c5839a97c15cbf1 100644
--- a/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
+++ b/targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c
@@ -772,6 +772,7 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
   device->trx_set_gains_func   = trx_exmimo_set_gains;
   device->openair0_cfg = openair0_cfg;
   device->priv = (void *)exm;
+  device->uhd_set_thread_priority = NULL;
 
 
   printf("EXMIMO2: Getting addresses for memory-mapped DMA\n");
diff --git a/targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp b/targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
index e1a1b768b27cb1413a67cbe6fb54fdea4753d098..aee30d1c7746099906819ec77e2ebe53740b3713 100644
--- a/targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
+++ b/targets/ARCH/LMSSDR/USERSPACE/LIB/lms_lib.cpp
@@ -405,6 +405,7 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg){
   device->trx_stop_func = trx_lms_stop;
   device->trx_set_freq_func = trx_lms_set_freq;
   device->trx_set_gains_func = trx_lms_set_gains;
+  device->uhd_set_thread_priority = NULL;
 
   device->openair0_cfg = openair0_cfg;
 
diff --git a/targets/ARCH/LMSSDR/USERSPACE/LIB/sodera_lib.cpp b/targets/ARCH/LMSSDR/USERSPACE/LIB/sodera_lib.cpp
index 6f1afe47c0da98cda5b3bcea704d48d66fbd3f36..9b11415631fb7faa2ecea5eefc57f25fd9e9ea55 100644
--- a/targets/ARCH/LMSSDR/USERSPACE/LIB/sodera_lib.cpp
+++ b/targets/ARCH/LMSSDR/USERSPACE/LIB/sodera_lib.cpp
@@ -706,6 +706,7 @@ int openair0_dev_init_sodera(openair0_device* device, openair0_config_t *openair
   device->trx_stop_func  = trx_sodera_stop;
   device->trx_set_freq_func = trx_sodera_set_freq;
   device->trx_set_gains_func   = trx_sodera_set_gains;
+  device->uhd_set_thread_priority = NULL;
   
   s->sample_rate   = openair0_cfg[0].sample_rate;
   s->channelscount = openair0_cfg[0].rx_num_channels;
diff --git a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
index b9c08938e3c2f347c8901441e1f2943c17b0ab12..84736dd3cfa4e00fa67e4584334ff99d7929dc11 100644
--- a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+++ b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
@@ -591,7 +591,15 @@ static int trx_usrp_read(openair0_device *device, openair0_timestamp *ptimestamp
         for (int j=0; j<nsamps2; j++) {
 #if defined(__x86_64__) || defined(__i386__)
 #ifdef __AVX2__
-          ((__m256i *)buff[i])[j] = _mm256_srai_epi16(buff_tmp[i][j],4);
+	  // FK: in some cases the buffer might not be 32 byte aligned, so we cannot use avx2
+
+	  if ((((uintptr_t) buff[i])&0x1F)==0) {
+	    ((__m256i *)buff[i])[j] = _mm256_srai_epi16(buff_tmp[i][j],4);
+	  }
+	  else {
+	    ((__m128i *)buff[i])[2*j] = _mm_srai_epi16(((__m128i*)buff_tmp[i])[j],4);
+	    ((__m128i *)buff[i])[2*j+1] = _mm_srai_epi16(((__m128i*)buff_tmp[i])[2*j+1],4);
+	  }
 #else
           ((__m128i *)buff[i])[j] = _mm_srai_epi16(buff_tmp[i][j],4);
 #endif
@@ -845,6 +853,10 @@ void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index,int bw_
 
   if (bw_gain_adjust==1) {
     switch ((int)openair0_cfg[0].sample_rate) {
+
+      case 46080000:
+        break;
+
       case 30720000:
         break;
 
@@ -870,7 +882,7 @@ void set_rx_gain_offset(openair0_config_t *openair0_cfg, int chain_index,int bw_
 
       default:
         LOG_E(PHY,"unknown sampling rate %d\n",(int)openair0_cfg[0].sample_rate);
-        exit(-1);
+        //exit(-1);
         break;
     }
   }
@@ -907,6 +919,12 @@ int trx_usrp_reset_stats(openair0_device *device) {
   return(0);
 }
 
+/*! \brief Set uhd priority
+ */
+static void uhd_set_thread_priority(void) {
+  uhd::set_thread_priority_safe(1.0);
+}
+
 #if defined(USRP_REC_PLAY)
 extern "C" {
   /*! \brief Initializer for USRP record/playback config
@@ -1044,6 +1062,7 @@ extern "C" {
       device->trx_set_freq_func = trx_usrp_set_freq;
       device->trx_set_gains_func   = trx_usrp_set_gains;
       device->openair0_cfg = openair0_cfg;
+      device->uhd_set_thread_priority = uhd_set_thread_priority;
       std::cerr << "USRP device initialized in subframes replay mode for " << u_sf_loops << " loops. Use mmap="
                 << use_mmap << std::endl;
     } else {
@@ -1158,6 +1177,13 @@ extern "C" {
             openair0_cfg[0].rx_bw                 = 40e6;
             break;
 
+ 	  case 46080000:
+            //openair0_cfg[0].samples_per_packet    = 1024;
+            openair0_cfg[0].tx_sample_advance     = 115;
+            openair0_cfg[0].tx_bw                 = 40e6;
+            openair0_cfg[0].rx_bw                 = 40e6;
+            break;
+
           case 30720000:
             // from usrp_time_offset
             //openair0_cfg[0].samples_per_packet    = 2048;
@@ -1210,7 +1236,15 @@ extern "C" {
         }
 
         switch ((int)openair0_cfg[0].sample_rate) {
-          case 30720000:
+	case 46080000:
+            s->usrp->set_master_clock_rate(46.08e6);
+            //openair0_cfg[0].samples_per_packet    = 1024;
+            openair0_cfg[0].tx_sample_advance     = 115;
+            openair0_cfg[0].tx_bw                 = 40e6;
+            openair0_cfg[0].rx_bw                 = 40e6;
+            break;
+
+	case 30720000:
             s->usrp->set_master_clock_rate(30.72e6);
             //openair0_cfg[0].samples_per_packet    = 1024;
             openair0_cfg[0].tx_sample_advance     = 115;
@@ -1361,6 +1395,7 @@ extern "C" {
       device->trx_set_freq_func = trx_usrp_set_freq;
       device->trx_set_gains_func   = trx_usrp_set_gains;
       device->openair0_cfg = openair0_cfg;
+      device->uhd_set_thread_priority = uhd_set_thread_priority;
       s->sample_rate = openair0_cfg[0].sample_rate;
 
       // TODO:
@@ -1463,9 +1498,6 @@ extern "C" {
     return 0;
   }
 
-  void uhd_set_thread_priority(void) {
-      uhd::set_thread_priority_safe(1.0);
-  }
 
 }
 /*@}*/
diff --git a/targets/ARCH/mobipass/interface.c b/targets/ARCH/mobipass/interface.c
index db186a404cbe26a709eb8006dedf555bb0ede111..6e3dc66f49c866d5cc61fc5e28d4ad0b89744906 100644
--- a/targets/ARCH/mobipass/interface.c
+++ b/targets/ARCH/mobipass/interface.c
@@ -132,6 +132,7 @@ int transport_init(openair0_device *device, openair0_config_t *openair0_cfg,
   device->trx_set_gains_func = mobipass_set_gains;
   device->trx_write_func   = mobipass_write;
   device->trx_read_func    = mobipass_read;
+  device->uhd_set_thread_priority = NULL;
 
   device->priv = mobi;
 
diff --git a/targets/ARCH/rfsimulator/simulator.c b/targets/ARCH/rfsimulator/simulator.c
index d5f77acc9186abbaa049d3b317200a9a2db5e1d2..3673a21c11caace980713a0579ef7d2d8943b739 100644
--- a/targets/ARCH/rfsimulator/simulator.c
+++ b/targets/ARCH/rfsimulator/simulator.c
@@ -47,8 +47,8 @@ pthread_mutex_t Sockmutex;
 
 typedef struct buffer_s {
   int conn_sock;
-  bool alreadyRead;
-  uint64_t lastReceivedTS;
+  openair0_timestamp lastReceivedTS;
+  openair0_timestamp lastWroteTS;
   bool headerMode;
   samplesBlockHeader_t th;
   char *transferPtr;
@@ -60,7 +60,7 @@ typedef struct buffer_s {
 
 typedef struct {
   int listen_sock, epollfd;
-  uint64_t nextTimestamp;
+  openair0_timestamp nextTimestamp;
   uint64_t typeStamp;
   char *ip;
   int saveIQfile;
@@ -105,7 +105,9 @@ void rxAddInput( struct complex16 *input_sig, struct complex16 *after_channel_si
   // the parameter "-s" is declared as SNR, but the input power is not well defined
   // −132.24 dBm is a LTE subcarrier noise, that was used in origin code (15KHz BW thermal noise)
   const double rxGain= 132.24 - snr_dB;
-  const double noise_per_sample = sqrt(0.5*noise_figure_watt) * pow(10,rxGain/20);
+  // sqrt(4*noise_figure_watt) is the thermal noise factor (volts)
+  // fixme: the last constant is pure trial results to make decent noise
+  const double noise_per_sample = sqrt(4*noise_figure_watt) * pow(10,rxGain/20) *10;
   // Fixme: we don't fill the offset length samples at begining ?
   // anyway, in today code, channel_offset=0
   const int dd = abs(channelDesc->channel_offset);
@@ -133,11 +135,6 @@ void rxAddInput( struct complex16 *input_sig, struct complex16 *after_channel_si
     }
 
     out_ptr->r += round(rx_tmp.x*pathLossLinear + noise_per_sample*gaussdouble(0.0,1.0));
-    /*
-      printf("in: %d, out %d= %f*%f + %f*%f\n",
-      input_sig[((TS+i)*nbTx)%CirSize].r, out_ptr->r , rx_tmp.x,
-      pathLossLinear, noise_per_sample,gaussdouble(0.0,1.0));
-    */
     out_ptr->i += round(rx_tmp.y*pathLossLinear + noise_per_sample*gaussdouble(0.0,1.0));
     out_ptr++;
   }
@@ -156,8 +153,8 @@ void allocCirBuf(rfsimulator_state_t *bridge, int sock) {
   AssertFatal ( (ptr->circularBuf=(sample_t *) malloc(sampleToByte(CirSize,1))) != NULL, "");
   ptr->circularBufEnd=((char *)ptr->circularBuf)+sampleToByte(CirSize,1);
   ptr->conn_sock=sock;
-  ptr->alreadyRead=false;
   ptr->lastReceivedTS=0;
+  ptr->lastWroteTS=0;
   ptr->headerMode=true;
   ptr->transferPtr=(char *)&ptr->th;
   ptr->remainToTransfer=sizeof(samplesBlockHeader_t);
@@ -322,21 +319,22 @@ sin_addr:
 
   setblocking(sock, notBlocking);
   allocCirBuf(t, sock);
-  t->buf[sock].alreadyRead=true; // UE will start blocking on read
   return 0;
 }
 
-uint64_t lastW=-1;
 int rfsimulator_write(openair0_device *device, openair0_timestamp timestamp, void **samplesVoid, int nsamps, int nbAnt, int flags) {
   rfsimulator_state_t *t = device->priv;
   LOG_D(HW,"sending %d samples at time: %ld\n", nsamps, timestamp);
 
+
   for (int i=0; i<FD_SETSIZE; i++) {
-    buffer_t *ptr=&t->buf[i];
+    buffer_t *b=&t->buf[i];
 
-    if (ptr->conn_sock >= 0 ) {
+    if (b->conn_sock >= 0 ) {
+      if ( abs((double)b->lastWroteTS-timestamp) > (double)CirSize)
+	LOG_E(HW,"Tx/Rx shift too large Tx:%lu, Rx:%lu\n", b->lastWroteTS, b->lastReceivedTS);
       samplesBlockHeader_t header= {t->typeStamp, nsamps, nbAnt, timestamp};
-      fullwrite(ptr->conn_sock,&header, sizeof(header), t);
+      fullwrite(b->conn_sock,&header, sizeof(header), t);
       sample_t tmpSamples[nsamps][nbAnt];
 
       for(int a=0; a<nbAnt; a++) {
@@ -346,17 +344,17 @@ int rfsimulator_write(openair0_device *device, openair0_timestamp timestamp, voi
           tmpSamples[s][a]=in[s];
       }
 
-      if (ptr->conn_sock >= 0 )
-        fullwrite(ptr->conn_sock, (void *)tmpSamples, sampleToByte(nsamps,nbAnt), t);
+      if (b->conn_sock >= 0 ) {
+        fullwrite(b->conn_sock, (void *)tmpSamples, sampleToByte(nsamps,nbAnt), t);
+        b->lastWroteTS=timestamp+nsamps;
+      }
     }
   }
 
-  lastW=timestamp;
   LOG_D(HW,"sent %d samples at time: %ld->%ld, energy in first antenna: %d\n",
         nsamps, timestamp, timestamp+nsamps, signal_energy(samplesVoid[0], nsamps) );
   // Let's verify we don't have incoming data
   // This is mandatory when the opposite side don't transmit
-  // This is mandatory when the opposite side don't transmit
   flushInput(t, 0);
   pthread_mutex_unlock(&Sockmutex);
   return nsamps;
@@ -428,7 +426,6 @@ static bool flushInput(rfsimulator_state_t *t, int timeout) {
         AssertFatal( (t->typeStamp == UE_MAGICDL_FDD  && b->th.magic==ENB_MAGICDL_FDD) ||
                      (t->typeStamp == ENB_MAGICDL_FDD && b->th.magic==UE_MAGICDL_FDD), "Socket Error in protocol");
         b->headerMode=false;
-        b->alreadyRead=true;
 
         if ( b->lastReceivedTS != b->th.timestamp) {
           int nbAnt= b->th.nbAnt;
@@ -444,8 +441,8 @@ static bool flushInput(rfsimulator_state_t *t, int timeout) {
         }
 
         b->lastReceivedTS=b->th.timestamp;
-        AssertFatal(lastW == -1 || ( abs((double)lastW-b->lastReceivedTS) < (double)CirSize),
-                    "Tx/Rx shift too large Tx:%lu, Rx:%lu\n", lastW, b->lastReceivedTS);
+        AssertFatal(b->lastWroteTS == 0 || ( abs((double)b->lastWroteTS-b->lastReceivedTS) < (double)CirSize),
+                    "Tx/Rx shift too large Tx:%lu, Rx:%lu\n", b->lastWroteTS, b->lastReceivedTS);
         b->transferPtr=(char *)&b->circularBuf[b->lastReceivedTS%CirSize];
         b->remainToTransfer=sampleToByte(b->th.size, b->th.nbAnt);
       }
@@ -501,15 +498,33 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
       return nsamps;
     }
   } else {
+    
     bool have_to_wait;
 
     do {
       have_to_wait=false;
 
       for ( int sock=0; sock<FD_SETSIZE; sock++) {
-        if ( t->buf[sock].circularBuf && t->buf[sock].alreadyRead )
-          if ( t->buf[sock].lastReceivedTS == 0 ||
-               (t->nextTimestamp+nsamps) > t->buf[sock].lastReceivedTS ) {
+	buffer_t *b=&t->buf[sock];
+        if ( b->circularBuf) {
+          LOG_D(HW,"sock: %d, lastWroteTS: %lu, lastRecvTS: %lu, TS must be avail: %lu\n",
+                sock, b->lastWroteTS,
+                b->lastReceivedTS,
+                t->nextTimestamp+nsamps);
+	  if (  b->lastReceivedTS > b->lastWroteTS ) {
+	    // The caller momdem (NB, UE, ...) must send Tx in advance, so we fill TX if Rx is in advance
+	    // This occurs for example when UE is in sync mode: it doesn't transmit
+	    // with USRP, it seems ok: if "tx stream" is off, we may consider it actually cuts the Tx power
+	    struct complex16 v={0};
+	    void *samplesVoid[b->th.nbAnt];
+	    for ( int i=0; i <b->th.nbAnt; i++)
+	      samplesVoid[i]=(void*)&v;
+	    rfsimulator_write(device, b->lastReceivedTS, samplesVoid, 1, b->th.nbAnt, 0);
+	  }
+	}
+
+        if ( b->circularBuf )
+          if ( t->nextTimestamp+nsamps > b->lastReceivedTS ) {
             have_to_wait=true;
             break;
           }
@@ -532,7 +547,7 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
   for (int sock=0; sock<FD_SETSIZE; sock++) {
     buffer_t *ptr=&t->buf[sock];
 
-    if ( ptr->circularBuf && ptr->alreadyRead ) {
+    if ( ptr->circularBuf ) {
       bool reGenerateChannel=false;
 
       //fixme: when do we regenerate
@@ -627,6 +642,7 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
   device->trx_set_gains_func   = rfsimulator_set_gains;
   device->trx_write_func       = rfsimulator_write;
   device->trx_read_func      = rfsimulator_read;
+  device->uhd_set_thread_priority = NULL;
   /* let's pretend to be a b2x0 */
   device->type = USRP_B200_DEV;
   device->openair0_cfg=&openair0_cfg[0];
diff --git a/targets/ARCH/tcp_bridge/tcp_bridge.c b/targets/ARCH/tcp_bridge/tcp_bridge.c
index 8b287acfa14b24f009e5b30a653504e57c832269..3e2979f8499aef567f6418c8b939cd6cde895383 100644
--- a/targets/ARCH/tcp_bridge/tcp_bridge.c
+++ b/targets/ARCH/tcp_bridge/tcp_bridge.c
@@ -267,6 +267,7 @@ int device_init(openair0_device* device, openair0_config_t *openair0_cfg)
   device->trx_set_gains_func = tcp_bridge_set_gains;
   device->trx_write_func   = tcp_bridge_write;
   device->trx_read_func    = tcp_bridge_read;
+  device->uhd_set_thread_priority = NULL;
 
   device->priv = tcp_bridge;
 
diff --git a/targets/ARCH/tcp_bridge/tcp_bridge_oai.c b/targets/ARCH/tcp_bridge/tcp_bridge_oai.c
index 153e54a64bba427ed333ac7def69114a13d8c44e..179c0b455eeaca4f4d62f1734b26cd61eeaea82e 100644
--- a/targets/ARCH/tcp_bridge/tcp_bridge_oai.c
+++ b/targets/ARCH/tcp_bridge/tcp_bridge_oai.c
@@ -313,6 +313,7 @@ int device_init(openair0_device* device, openair0_config_t *openair0_cfg)
   device->trx_set_freq_func    = tcp_bridge_set_freq;
   device->trx_set_gains_func   = tcp_bridge_set_gains;
   device->trx_write_func       = tcp_bridge_write;
+  device->uhd_set_thread_priority = NULL;
 
   if (tcp_bridge->is_enb) {
     device->trx_read_func      = tcp_bridge_read;
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf
new file mode 100644
index 0000000000000000000000000000000000000000..fdc4894da64a9606bf69b59fb1440d64e55278f4
--- /dev/null
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpb210.conf
@@ -0,0 +1,298 @@
+Active_gNBs = ( "gNB-Eurecom-5GNRBox");
+# Asn1_verbosity, choice in: none, info, annoying
+Asn1_verbosity = "none";
+
+gNBs =
+(
+ {
+    ////////// Identification parameters:
+    gNB_ID    =  0xe00;
+
+    cell_type =  "CELL_MACRO_GNB";
+
+    gNB_name  =  "gNB-Eurecom-5GNRBox";
+
+    // Tracking area code, 0x0000 and 0xfffe are reserved values
+    tracking_area_code  =  1;
+
+    plmn_list = ({mcc = 208; mnc = 93; mnc_length = 2;});	 
+
+    tr_s_preference     = "local_mac"
+
+    ////////// Physical parameters:
+
+    component_carriers = (
+      {
+      node_function                                                 = "3GPP_gNODEB";
+      node_timing                                                   = "synch_to_ext_device";
+      node_synch_ref                                                = 0;
+      frame_type                                                    = "TDD";
+      DL_prefix_type                                                = "NORMAL";
+      UL_prefix_type                                                = "NORMAL";
+      eutra_band                                                    = 78;
+      downlink_frequency                                            = 3510000000L;
+      uplink_frequency_offset                                       = -120000000;
+      Nid_cell                                                      = 0;
+      N_RB_DL                                                       = 106;
+      nb_antenna_ports                                              = 1;
+      nb_antennas_tx                                                = 1;
+      nb_antennas_rx                                                = 1;
+      tx_gain                                                       = 90;
+      rx_gain                                                       = 125;
+      MIB_subCarrierSpacingCommon                                   = 30;
+      MIB_ssb_SubcarrierOffset                                      = 0;
+      MIB_dmrs_TypeA_Position                                       = 2;
+      pdcch_ConfigSIB1                                              = 0;
+      SIB1_frequencyOffsetSSB                                       = "khz5";
+      SIB1_ssb_PeriodicityServingCell                               = 5;
+      SIB1_ss_PBCH_BlockPower                                       = -60;
+      absoluteFrequencySSB                                          = 0;
+      DL_FreqBandIndicatorNR                                        = 15;
+      DL_absoluteFrequencyPointA                                    = 15;
+      DL_offsetToCarrier                                            = 15;
+      DL_SCS_SubcarrierSpacing                                      = "kHz30";
+      DL_SCS_SpecificCarrier_k0                                     = 0;
+      DL_carrierBandwidth                                           = 15;
+      DL_locationAndBandwidth                                       = 15;
+      DL_BWP_SubcarrierSpacing                                      = "kHz30";
+      DL_BWP_prefix_type                                            = "NORMAL";
+      UL_FreqBandIndicatorNR                                        = 15;
+      UL_absoluteFrequencyPointA                                    = 13;
+      UL_additionalSpectrumEmission                                 = 3;
+      UL_p_Max                                                      = -1;
+      UL_frequencyShift7p5khz                                       = "TRUE";
+      UL_offsetToCarrier                                            = 10;
+      UL_SCS_SubcarrierSpacing                                      = "kHz30";
+      UL_SCS_SpecificCarrier_k0                                     = 0;
+      UL_carrierBandwidth                                           = 15;
+      UL_locationAndBandwidth                                       = 15;
+      UL_BWP_SubcarrierSpacing                                      = "kHz30";
+      UL_BWP_prefix_type                                            = "NORMAL";
+      UL_timeAlignmentTimerCommon                                   = "infinity";
+      ServingCellConfigCommon_n_TimingAdvanceOffset                 = "n0"
+      ServingCellConfigCommon_ssb_PositionsInBurst_PR               = 0x01;
+      ServingCellConfigCommon_ssb_periodicityServingCell            = 10;
+      ServingCellConfigCommon_dmrs_TypeA_Position                   = 2;
+      NIA_SubcarrierSpacing                                         = "kHz15"; 
+      ServingCellConfigCommon_ss_PBCH_BlockPower                    = -60;
+      referenceSubcarrierSpacing                                    = "kHz15";
+      dl_UL_TransmissionPeriodicity                                 = "ms0p5";
+      nrofDownlinkSlots                                             = 10;
+      nrofDownlinkSymbols                                           = 10;
+      nrofUplinkSlots                                               = 10;
+      nrofUplinkSymbols                                             = 10;
+      rach_totalNumberOfRA_Preambles                                = 63;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_choice         = "oneEighth";
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_oneEighth      = 4;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_oneFourth      = 8;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_oneHalf        = 16;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_one            = 24;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_two            = 32;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_four           = 8;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_eight          = 4;
+      rach_ssb_perRACH_OccasionAndCB_PreamblesPerSSB_sixteen        = 2;
+      rach_groupBconfigured                                         = "ENABLE";
+      rach_ra_Msg3SizeGroupA                                        = 56;
+      rach_messagePowerOffsetGroupB                                 = "dB0";
+      rach_numberOfRA_PreamblesGroupA                               = 32;
+      rach_ra_ContentionResolutionTimer                             = 8;
+      rsrp_ThresholdSSB                                             = 64;
+      rsrp_ThresholdSSB_SUL                                         = 64;
+      prach_RootSequenceIndex_choice                                = "l839";
+      prach_RootSequenceIndex_l839                                  = 0;
+      prach_RootSequenceIndex_l139                                  = 0;
+      prach_msg1_SubcarrierSpacing                                  = "kHz30";
+      restrictedSetConfig                                           = "unrestrictedSet";
+      msg3_transformPrecoding                                       = "ENABLE";
+      prach_ConfigurationIndex                                      = 10;
+      prach_msg1_FDM                                                = "one";
+      prach_msg1_FrequencyStart                                     = 10;
+      zeroCorrelationZoneConfig                                     = 10;
+      preambleReceivedTargetPower                                   = -150;
+      preambleTransMax                                              = 6;
+      powerRampingStep                                              = "dB0";
+      ra_ResponseWindow                                             = 8;
+      groupHoppingEnabledTransformPrecoding                         = "ENABLE";
+      msg3_DeltaPreamble                                            = 0;
+      p0_NominalWithGrant                                           = 0;
+      PUSCH_TimeDomainResourceAllocation_k2                         = 0;
+      PUSCH_TimeDomainResourceAllocation_mappingType                = "typeA";
+      PUSCH_TimeDomainResourceAllocation_startSymbolAndLength       = 0;
+      pucch_ResourceCommon                                          = 0;
+      pucch_GroupHopping                                            = "neither";
+      hoppingId                                                     = 0;
+      p0_nominal                                                    = -30;
+      PDSCH_TimeDomainResourceAllocation_k0                         = 2;
+      PDSCH_TimeDomainResourceAllocation_mappingType                = "typeA";
+      PDSCH_TimeDomainResourceAllocation_startSymbolAndLength       = 0;
+      rateMatchPatternId                                            = 0;
+      RateMatchPattern_patternType                                  = "bitmaps";
+      symbolsInResourceBlock                                        = "oneSlot";
+      periodicityAndPattern                                         = 2;
+      RateMatchPattern_controlResourceSet                           = 5;
+      RateMatchPattern_subcarrierSpacing                            = "kHz30";
+      RateMatchPattern_mode                                         = "dynamic";
+      controlResourceSetZero                                        = 0;
+      searchSpaceZero                                               = 0;
+      searchSpaceSIB1                                               = 10;
+      searchSpaceOtherSystemInformation                             = 10;
+      pagingSearchSpace                                             = 10;
+      ra_SearchSpace                                                = 10;
+      PDCCH_common_controlResourceSetId                             = 5;
+      PDCCH_common_ControlResourceSet_duration                      = 2;
+      PDCCH_cce_REG_MappingType                                     = "nonInterleaved";
+      PDCCH_reg_BundleSize                                          = 3;
+      PDCCH_interleaverSize                                         = 3;
+      PDCCH_shiftIndex                                              = 10;  
+      PDCCH_precoderGranularity                                     = "sameAsREG-bundle";
+      PDCCH_TCI_StateId                                             = 32;
+      tci_PresentInDCI                                              = "ENABLE";
+      PDCCH_DMRS_ScramblingID                                       = 0;
+      SearchSpaceId                                                 = 10;
+      commonSearchSpaces_controlResourceSetId                       = 5;
+      SearchSpace_monitoringSlotPeriodicityAndOffset_choice         = "sl1";
+      SearchSpace_monitoringSlotPeriodicityAndOffset_value          = 0;
+      SearchSpace_duration                                          = 2;
+      SearchSpace_nrofCandidates_aggregationLevel1                  = 0;
+      SearchSpace_nrofCandidates_aggregationLevel2                  = 0;
+      SearchSpace_nrofCandidates_aggregationLevel4                  = 0;
+      SearchSpace_nrofCandidates_aggregationLevel8                  = 0;
+      SearchSpace_nrofCandidates_aggregationLevel16                 = 0;
+      SearchSpace_searchSpaceType                                   = "common";
+      Common_dci_Format2_0_nrofCandidates_SFI_aggregationLevel1     = 1;
+      Common_dci_Format2_0_nrofCandidates_SFI_aggregationLevel2     = 1;
+      Common_dci_Format2_0_nrofCandidates_SFI_aggregationLevel4     = 1;
+      Common_dci_Format2_0_nrofCandidates_SFI_aggregationLevel8     = 1;
+      Common_dci_Format2_0_nrofCandidates_SFI_aggregationLevel16    = 1; 
+      Common_dci_Format2_3_monitoringPeriodicity                    = 1;
+      Common_dci_Format2_3_nrofPDCCH_Candidates                     = 1;
+      ue_Specific__dci_Formats                                      = "formats0-0-And-1-0";
+      RateMatchPatternLTE_CRS_carrierFreqDL                         = 6;
+      RateMatchPatternLTE_CRS_carrierBandwidthDL                    = 6;
+      RateMatchPatternLTE_CRS_nrofCRS_Ports                         = 1;
+      RateMatchPatternLTE_CRS_v_Shift                               = 0;
+      RateMatchPatternLTE_CRS_radioframeAllocationPeriod            = 1;
+      RateMatchPatternLTE_CRS_radioframeAllocationOffset            = 0;
+      RateMatchPatternLTE_CRS_subframeAllocation_choice             = "oneFrame";
+      }
+    );
+
+
+    srb1_parameters :
+    {
+        # timer_poll_retransmit = (ms) [5, 10, 15, 20,... 250, 300, 350, ... 500]
+        timer_poll_retransmit    = 80;
+
+        # timer_reordering = (ms) [0,5, ... 100, 110, 120, ... ,200]
+        timer_reordering         = 35;
+
+        # timer_reordering = (ms) [0,5, ... 250, 300, 350, ... ,500]
+        timer_status_prohibit    = 0;
+
+        # poll_pdu = [4, 8, 16, 32 , 64, 128, 256, infinity(>10000)]
+        poll_pdu                 =  4;
+
+        # poll_byte = (kB) [25,50,75,100,125,250,375,500,750,1000,1250,1500,2000,3000,infinity(>10000)]
+        poll_byte                =  99999;
+
+        # max_retx_threshold = [1, 2, 3, 4 , 6, 8, 16, 32]
+        max_retx_threshold       =  4;
+    }
+
+    # ------- SCTP definitions
+    SCTP :
+    {
+        # Number of streams to use in input/output
+        SCTP_INSTREAMS  = 2;
+        SCTP_OUTSTREAMS = 2;
+    };
+
+
+    ////////// MME parameters:
+    mme_ip_address      = ( { ipv4       = "192.168.12.26";
+                              ipv6       = "192:168:30::17";
+                              active     = "yes";
+                              preference = "ipv4";
+                            }
+                          );
+
+    NETWORK_INTERFACES :
+    {
+
+        GNB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
+        GNB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.111/24";
+        GNB_INTERFACE_NAME_FOR_S1U               = "eth0";
+        GNB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.111/24";
+        GNB_PORT_FOR_S1U                         = 2152; # Spec 2152
+    };
+  }
+);
+
+MACRLCs = (
+	{
+	num_cc = 1;
+	tr_s_preference = "local_L1";
+	tr_n_preference = "local_RRC";
+        }  
+);
+
+L1s = (
+    	{
+	num_cc = 1;
+	tr_n_preference = "local_mac";
+        }  
+);
+
+RUs = (
+    {		  
+       local_rf       = "yes"
+         nb_tx          = 1
+         nb_rx          = 1
+         att_tx         = 0
+         att_rx         = 0;
+         bands          = [7];
+         max_pdschReferenceSignalPower = -27;
+         max_rxgain                    = 114;
+         eNB_instances  = [0];
+	 sdr_addrs = "type=b200";
+
+    }
+);  
+
+THREAD_STRUCT = (
+  {
+    #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
+    parallel_config    = "PARALLEL_SINGLE_THREAD";
+    #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
+    worker_config      = "WORKER_DISABLE";
+  }
+);
+
+NETWORK_CONTROLLER :
+{
+    FLEXRAN_ENABLED        = "no";
+    FLEXRAN_INTERFACE_NAME = "lo";
+    FLEXRAN_IPV4_ADDRESS   = "127.0.0.1";
+    FLEXRAN_PORT           = 2210;
+    FLEXRAN_CACHE          = "/mnt/oai_agent_cache";
+    FLEXRAN_AWAIT_RECONF   = "no";
+};
+
+     log_config :
+     {
+       global_log_level                      ="info";
+       global_log_verbosity                  ="medium";
+       hw_log_level                          ="info";
+       hw_log_verbosity                      ="medium";
+       phy_log_level                         ="info";
+       phy_log_verbosity                     ="medium";
+       mac_log_level                         ="info";
+       mac_log_verbosity                     ="high";
+       rlc_log_level                         ="info";
+       rlc_log_verbosity                     ="medium";
+       pdcp_log_level                        ="info";
+       pdcp_log_verbosity                    ="medium";
+       rrc_log_level                         ="info";
+       rrc_log_verbosity                     ="medium";
+    };
+
diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf
index 8b896fc58ac9adfeb545bd940a2a04f3c0787965..26f6eddf520ddfe20290c99adf2304a86654c103 100644
--- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf
+++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpx300.conf
@@ -262,7 +262,7 @@ RUs = (
 THREAD_STRUCT = (
   {
     #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
-    parallel_config    = "PARALLEL_SINGLE_THREAD";
+    parallel_config    = "PARALLEL_RU_L1_TRX_SPLIT";
     #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
     worker_config      = "WORKER_DISABLE";
   }