diff --git a/targets/TEST/OAI/case12.py b/targets/TEST/OAI/case12.py
index 92b1d8b83bd367c8a7b22539d821e638018ed279..fb5bf8ba4680a37b7129cf30c79cb3d5527264ba 100644
--- a/targets/TEST/OAI/case12.py
+++ b/targets/TEST/OAI/case12.py
@@ -48,7 +48,7 @@ NUM_UE=1
 NUM_eNB=1
 NUM_TRIALS=3
 
-PRB=[25,50,100]
+PRB=[6,25,50,100]
 MCS=[0,4,9,10,13,16,17,22,27]
 ANT_TX=2  # 2 
 ANT_RX=2  # 2 
@@ -65,12 +65,11 @@ FRAME=1000
 
 
 
-def execute(oai, user, pw, host, logfile,logdir,debug):
+def execute(oai, user, pw, host, logfile,logdir,debug,cpu):
     
     case = '10'
     oai.send('cd $OPENAIR1_DIR;')     
     oai.send('cd SIMULATION/LTE_PHY;')   
-    
     try:
         test = '200'
         name = 'Run oai.dlsim.sanity'
@@ -110,7 +109,7 @@ def execute(oai, user, pw, host, logfile,logdir,debug):
                                         conf = '-B' + str(PRB[i]) + ' -m'+str(MCS[j]) + ' -y'+str(k) + ' -z'+str(m) +' -c'+str(n) + ' -g'+str(CHANNEL[o]) + ' -x'+str(p) + ' -s'+str(q) + ' -w1.0 -f.1 -P -n'+str(FRAME)+' -O'+str(PERF) +' '+ OPT    
                                         trace = logdir + '/time_meas' + '_prb'+str(PRB[i])+'_mcs'+ str(MCS[j])+ '_anttx' + str(k)+ '_antrx' + str(m)  + '_pdcch' + str(n) + '_channel' +str(CHANNEL[o]) + '_tx' +str(p) + '_snr' +str(q)+'.'+case+str(test)+ '.log'
                                         tee = ' 2>&1 | tee ' + trace
-                                        cmd = 'taskset -c 0 ./dlsim.rel8.'+ host + ' ' + conf + tee
+                                        cmd = 'taskset -c '+ str(cpu) + ' ./dlsim.rel8.'+ host + ' ' + conf + tee
                                         if debug : 
                                             print cmd
 
diff --git a/targets/TEST/OAI/case13.py b/targets/TEST/OAI/case13.py
index 55034c7263be2f8ef9ae9135eb0fd5cc3ce12920..ba29a45a3c5f5a7f8aad58438fb659025f169a72 100644
--- a/targets/TEST/OAI/case13.py
+++ b/targets/TEST/OAI/case13.py
@@ -48,7 +48,7 @@ NUM_UE=1
 NUM_eNB=1
 NUM_TRIALS=3
 
-PRB=[25,50,100]
+PRB=[6,25,50,100]
 MCS=[0,4,9,10,13,16,17,22,27]
 ANT_TX=1  # 2 
 ANT_RX=2  # 2 
@@ -63,7 +63,7 @@ FRAME=1000
 
 
 
-def execute(oai, user, pw, host,logfile,logdir,debug):
+def execute(oai, user, pw, host,logfile,logdir,debug,cpu):
     
     case = '10'
     oai.send('cd $OPENAIR1_DIR;')     
@@ -105,7 +105,7 @@ def execute(oai, user, pw, host,logfile,logdir,debug):
                                 conf = '-B' + str(PRB[i]) + ' -m'+str(MCS[j]) + ' -y'+str(m) + ' -g'+str(CHANNEL[o]) + ' -x'+str(p) + ' -s'+str(q) + ' -w1.0 -e.1 -P -n'+str(FRAME)+' -O'+str(PERF)+' '+ OPT  
                                 trace = logdir + '/time_meas' + '_prb'+str(PRB[i])+'_mcs'+ str(MCS[j])+ '_antrx' + str(m)  + '_channel' +str(CHANNEL[o]) + '_tx' +str(p) + '_snr' +str(q)+'.'+case+str(test)+ '.log'
                                 tee = ' 2>&1 | tee ' + trace
-                                cmd = 'taskset -c 0 ./ulsim.rel8.'+ host + ' ' + conf + tee
+                                cmd = 'taskset -c ' + str(cpu) + ' ./ulsim.rel8.'+ host + ' ' + conf + tee
                                 
                                 if debug :
                                     print cmd
diff --git a/targets/TEST/OAI/test02.py b/targets/TEST/OAI/test02.py
index c76b7480e701b7848aa4f1bd1a9e0c471626e2f8..b13ec052930784258153b41ec4fa7c9b4ae672a9 100644
--- a/targets/TEST/OAI/test02.py
+++ b/targets/TEST/OAI/test02.py
@@ -57,6 +57,8 @@ pw =''
 i = 0
 clean = 0 
 start_case  = 0
+cpu = 0 
+
 for arg in sys.argv:
     if arg == '-d':
         debug = 1
@@ -68,6 +70,8 @@ for arg in sys.argv:
         pw = sys.argv[i+1]
     elif arg == '-c' :
         clean = 1
+    elif arg == '-t' :
+        cpu = sys.argv[i+1]
     elif arg == '-s' :
         start_case = sys.argv[i+1]
     elif arg == '-h' :
@@ -75,7 +79,8 @@ for arg in sys.argv:
         print "-dd: high debug level"
         print "-p:  set the prompt"
         print "-w:  set the password for ssh to localhost"
-        print "-c: clean the log directory "
+        print "-c: clean the log directory " 
+        print "-t: set the cpu "
         sys.exit()
     i= i + 1     
 
@@ -104,7 +109,7 @@ oai = openair('localdomain','localhost')
 try: 
     user = getpass.getuser()
     print '\n******* Note that the user <'+user+'> should be a sudoer *******\n'
-    print '******* Connecting to the localhost <'+host+'> to perform the test *******\n'
+    print '******* Connecting to the localhost <'+host+'> to perform the test on CPU '+str(cpu)+' *******\n'
    
     if not pw :
         print "username: " + user 
@@ -142,9 +147,9 @@ if clean == 1 :
 #compile 
 
 rv=case11.execute(oai, user, pw, host,logfile,logdir,debug)
-if rv != 0 :
-    case12.execute(oai, user, pw, host,logfile,logdir,debug)
-    case13.execute(oai, user, pw, host,logfile,logdir,debug)
+if rv == 1 :
+    case12.execute(oai, user, pw, host,logfile,logdir,debug,cpu)
+    case13.execute(oai, user, pw, host,logfile,logdir,debug,cpu)
 else :
     print 'Compilation error: skip case 12 and 13'