diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index 51d779fa59a471724afbd756c20eeb526e9ecf4c..0b2a9c0b93ccf72b2730054ced0afb057d459f62 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -171,13 +171,13 @@ set(CMAKE_CXX_FLAGS
 
 
 #########################
-set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath -Wl,${OPENAIR_TARGETS}/bin")
+set(CMAKE_EXE_LINKER_FLAGS  "${CMAKE_EXE_LINKER_FLAGS} -Wl,-rpath -Wl,${CMAKE_CURRENT_BINARY_DIR}")
 #########################
 # set a flag for changes in the source code
 # these changes are related to hardcoded path to include .h files
 add_definitions(-DCMAKER)
 set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS} -g -DMALLOC_CHECK_=3")
-set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -g -DMALLOC_CHECK_=3 -O2") 
+set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS} -g -DMALLOC_CHECK_=3 -O3") 
 
 
 set(GIT_BRANCH        "UNKNOWN")
diff --git a/cmake_targets/autotests/test_case_list.xml b/cmake_targets/autotests/test_case_list.xml
index eddc83c334a55835e3a975d2c088f9ab1f1bcd4a..1403885a7061b1a7270e1b9401725eac354e8f43 100644
--- a/cmake_targets/autotests/test_case_list.xml
+++ b/cmake_targets/autotests/test_case_list.xml
@@ -4638,7 +4638,7 @@
                      targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  ENB_PORT_FOR_S1U                     2152</eNB_config_file>
     <eNB_compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</eNB_compile_prog>
     <eNB_compile_prog_args>--eNB -w BLADERF -x -c </eNB_compile_prog_args>
-    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  ; sudo -E $OPENAIR_DIR/cmake_targets/tools/start_bladerf.py</eNB_pre_exec>
+    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash </eNB_pre_exec>
     <eNB_pre_exec_args></eNB_pre_exec_args>
     <eNB_main_exec>sudo -E chrt -f 99 $OPENAIR_DIR/cmake_targets/lte_build_oai/build/lte-softmodem</eNB_main_exec>
     <eNB_main_exec_args> -O $OPENAIR_DIR/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  -W </eNB_main_exec_args>
@@ -4714,7 +4714,7 @@
                      targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  ENB_PORT_FOR_S1U                     2152</eNB_config_file>
     <eNB_compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</eNB_compile_prog>
     <eNB_compile_prog_args>--eNB -w BLADERF -x -c </eNB_compile_prog_args>
-    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  ; sudo -E $OPENAIR_DIR/cmake_targets/tools/start_bladerf.py</eNB_pre_exec>
+    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  </eNB_pre_exec>
     <eNB_pre_exec_args></eNB_pre_exec_args>
     <eNB_main_exec>sudo -E chrt -f 99 $OPENAIR_DIR/cmake_targets/lte_build_oai/build/lte-softmodem</eNB_main_exec>
     <eNB_main_exec_args> -O $OPENAIR_DIR/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  -W </eNB_main_exec_args>
@@ -4789,7 +4789,7 @@
                      targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  ENB_PORT_FOR_S1U                     2152</eNB_config_file>
     <eNB_compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</eNB_compile_prog>
     <eNB_compile_prog_args>--eNB -w BLADERF -x -c </eNB_compile_prog_args>
-    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  ; sudo -E $OPENAIR_DIR/cmake_targets/tools/start_bladerf.py</eNB_pre_exec>
+    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  </eNB_pre_exec>
     <eNB_pre_exec_args></eNB_pre_exec_args>
     <eNB_main_exec>sudo -E chrt -f 99 $OPENAIR_DIR/cmake_targets/lte_build_oai/build/lte-softmodem</eNB_main_exec>
     <eNB_main_exec_args> -O $OPENAIR_DIR/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  -W </eNB_main_exec_args>
@@ -4864,7 +4864,7 @@
                      targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  ENB_PORT_FOR_S1U                     2152</eNB_config_file>
     <eNB_compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</eNB_compile_prog>
     <eNB_compile_prog_args>--eNB -w BLADERF -x -c </eNB_compile_prog_args>
-    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  ; sudo -E $OPENAIR_DIR/cmake_targets/tools/start_bladerf.py</eNB_pre_exec>
+    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  </eNB_pre_exec>
     <eNB_pre_exec_args></eNB_pre_exec_args>
     <eNB_main_exec>sudo -E chrt -f 99 $OPENAIR_DIR/cmake_targets/lte_build_oai/build/lte-softmodem</eNB_main_exec>
     <eNB_main_exec_args> -O $OPENAIR_DIR/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  -W </eNB_main_exec_args>
@@ -4938,7 +4938,7 @@
                      targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  ENB_PORT_FOR_S1U                     2152</eNB_config_file>
     <eNB_compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</eNB_compile_prog>
     <eNB_compile_prog_args>--eNB -w BLADERF -x -c </eNB_compile_prog_args>
-    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  ; sudo -E $OPENAIR_DIR/cmake_targets/tools/start_bladerf.py</eNB_pre_exec>
+    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash </eNB_pre_exec>
     <eNB_pre_exec_args></eNB_pre_exec_args>
     <eNB_main_exec>sudo -E chrt -f 99 $OPENAIR_DIR/cmake_targets/lte_build_oai/build/lte-softmodem</eNB_main_exec>
     <eNB_main_exec_args> -O $OPENAIR_DIR/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  -W </eNB_main_exec_args>
@@ -5012,7 +5012,7 @@
                      targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  ENB_PORT_FOR_S1U                     2152</eNB_config_file>
     <eNB_compile_prog>$OPENAIR_DIR/cmake_targets/build_oai</eNB_compile_prog>
     <eNB_compile_prog_args>--eNB -w BLADERF -x -c </eNB_compile_prog_args>
-    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  ; sudo -E $OPENAIR_DIR/cmake_targets/tools/start_bladerf.py</eNB_pre_exec>
+    <eNB_pre_exec>$OPENAIR_DIR/cmake_targets/autotests/tools/free_mem.bash  </eNB_pre_exec>
     <eNB_pre_exec_args></eNB_pre_exec_args>
     <eNB_main_exec>sudo -E chrt -f 99 $OPENAIR_DIR/cmake_targets/lte_build_oai/build/lte-softmodem</eNB_main_exec>
     <eNB_main_exec_args> -O $OPENAIR_DIR/targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.bladerfx40.conf  -W </eNB_main_exec_args>
diff --git a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
index bc60c1f7c851ebe665c8d9bdcb702160eb71fb45..7732cf8ff2ba8ed50b1e1dd4944c4fd29e79d295 100644
--- a/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
+++ b/targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp
@@ -597,11 +597,10 @@ extern "C" {
       openair0_cfg[0].rx_gain_calib_table = calib_table_b210_38;
       bw_gain_adjust=1;
     }
-    s->usrp->set_master_clock_rate(30.72e6);
 
     switch ((int)openair0_cfg[0].sample_rate) {
     case 30720000:
-            // from usrp_time_offset
+      s->usrp->set_master_clock_rate(30.72e6);
       openair0_cfg[0].samples_per_packet    = 4096;
       openair0_cfg[0].tx_sample_advance     = 115;
       openair0_cfg[0].tx_bw                 = 20e6;
@@ -609,6 +608,7 @@ extern "C" {
       openair0_cfg[0].tx_scheduling_advance = 11*openair0_cfg[0].samples_per_packet;
       break;
     case 23040000:
+      s->usrp->set_master_clock_rate(23.04e6); //to be checked
       openair0_cfg[0].samples_per_packet    = 2048;
       openair0_cfg[0].tx_sample_advance     = 113;
       openair0_cfg[0].tx_bw                 = 20e6;
@@ -616,20 +616,23 @@ extern "C" {
       openair0_cfg[0].tx_scheduling_advance = 8*openair0_cfg[0].samples_per_packet;
       break;
     case 15360000:
+      s->usrp->set_master_clock_rate(30.72e06);
       openair0_cfg[0].samples_per_packet    = 2048;
-      openair0_cfg[0].tx_sample_advance     = 113;
+      openair0_cfg[0].tx_sample_advance     = 103; 
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
-      openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
+      openair0_cfg[0].tx_scheduling_advance = 10240;
       break;
     case 7680000:
+      s->usrp->set_master_clock_rate(30.72e6);
       openair0_cfg[0].samples_per_packet    = 1024;
-      openair0_cfg[0].tx_sample_advance     = 70;//103;
+      openair0_cfg[0].tx_sample_advance     = 80;
       openair0_cfg[0].tx_bw                 = 20e6;
       openair0_cfg[0].rx_bw                 = 20e6;
       openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
       break;
     case 1920000:
+      s->usrp->set_master_clock_rate(7.68e6);
       openair0_cfg[0].samples_per_packet    = 256;
       openair0_cfg[0].tx_sample_advance     = 40;
       openair0_cfg[0].tx_bw                 = 20e6;
@@ -652,8 +655,8 @@ extern "C" {
   for(i=0;i<s->usrp->get_rx_num_channels();i++) {
     if (i<openair0_cfg[0].rx_num_channels) {
       s->usrp->set_rx_rate(openair0_cfg[0].sample_rate,i);
-      s->usrp->set_rx_bandwidth(openair0_cfg[0].rx_bw,i);
-      printf("Setting rx freq/gain on channel %lu/%lu : BW %f (readback %f)\n",i,s->usrp->get_rx_num_channels(),openair0_cfg[0].rx_bw/1e6,s->usrp->get_rx_bandwidth(i)/1e6);
+      //s->usrp->set_rx_bandwidth(openair0_cfg[0].rx_bw,i);
+      //printf("Setting rx freq/gain on channel %lu/%lu : BW %f (readback %f)\n",i,s->usrp->get_rx_num_channels(),openair0_cfg[0].rx_bw/1e6,s->usrp->get_rx_bandwidth(i)/1e6);
       s->usrp->set_rx_freq(openair0_cfg[0].rx_freq[i],i);
       set_rx_gain_offset(&openair0_cfg[0],i,bw_gain_adjust);
 
@@ -673,8 +676,8 @@ extern "C" {
   for(i=0;i<s->usrp->get_tx_num_channels();i++) {
     if (i<openair0_cfg[0].tx_num_channels) {
       s->usrp->set_tx_rate(openair0_cfg[0].sample_rate,i);
-      s->usrp->set_tx_bandwidth(openair0_cfg[0].tx_bw,i);
-      printf("Setting tx freq/gain on channel %lu/%lu: BW %f (readback %f)\n",i,s->usrp->get_tx_num_channels(),openair0_cfg[0].tx_bw/1e6,s->usrp->get_tx_bandwidth(i)/1e6);
+      //s->usrp->set_tx_bandwidth(openair0_cfg[0].tx_bw,i);
+      //printf("Setting tx freq/gain on channel %lu/%lu: BW %f (readback %f)\n",i,s->usrp->get_tx_num_channels(),openair0_cfg[0].tx_bw/1e6,s->usrp->get_tx_bandwidth(i)/1e6);
       s->usrp->set_tx_freq(openair0_cfg[0].tx_freq[i],i);
       s->usrp->set_tx_gain(openair0_cfg[0].tx_gain[i],i);
     }
@@ -683,6 +686,8 @@ extern "C" {
 
   // display USRP settings
   std::cout << boost::format("Actual master clock: %fMHz...") % (s->usrp->get_master_clock_rate()/1e6) << std::endl;
+  
+  sleep(1);
 
   // create tx & rx streamer
   uhd::stream_args_t stream_args_rx("sc16", "sc16");
@@ -701,6 +706,20 @@ extern "C" {
   std::cout << boost::format("tx_max_num_samps %u") % (s->tx_stream->get_max_num_samps()) << std::endl;
 
 
+ /* Setting TX/RX BW after streamers are created due to USRP calibration issue */
+  for(i=0;i<s->usrp->get_tx_num_channels();i++) {
+    if (i<openair0_cfg[0].tx_num_channels) {
+      s->usrp->set_tx_bandwidth(openair0_cfg[0].tx_bw,i);
+      printf("Setting tx freq/gain on channel %lu/%lu: BW %f (readback %f)\n",i,s->usrp->get_tx_num_channels(),openair0_cfg[0].tx_bw/1e6,s->usrp->get_tx_bandwidth(i)/1e6);
+    }
+  }
+  for(i=0;i<s->usrp->get_rx_num_channels();i++) {
+    if (i<openair0_cfg[0].rx_num_channels) {
+      s->usrp->set_rx_bandwidth(openair0_cfg[0].rx_bw,i);
+      printf("Setting rx freq/gain on channel %lu/%lu : BW %f (readback %f)\n",i,s->usrp->get_rx_num_channels(),openair0_cfg[0].rx_bw/1e6,s->usrp->get_rx_bandwidth(i)/1e6);
+    }
+  }
+
   s->usrp->set_time_now(uhd::time_spec_t(0.0));