Merge remote-tracking branch 'origin/hotfix-71-freq_channel' into feature-59-tm4

Conflicts:
	openair1/PHY/TOOLS/cdot_prod.c
	targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.usrpb210.conf

cmake_targets/autotests/README.txt

@@ -27,24 +27,24 @@ Obj.#   Case#   Test#	Description
 
 
 
-01      02              Run OAISIM-NOS1 Rel10 (TDD + 5MHz/10MHz/20MHz + TM 1,2,5,6), and check the operation
-01      02      00      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2,5,6) and search for errors, segmentation fault or exit
-01      02      01      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2,5,6) in PHY_ABSTRACTION mode and search for errors
-01      02      02      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2,5,6) and search for errors, segmentation fault or exit
-01      02      03      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2,5,6) in PHY_ABSTRACTION mode and search for errors
-01      02      04      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2,5,6) without PHY_ABSTRACTION mode, ping from from eNB to UE,
+01      02              Run OAISIM-NOS1 Rel10 (TDD + 5MHz/10MHz/20MHz + TM 1,2), and check the operation
+01      02      00      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2) and search for errors, segmentation fault or exit
+01      02      01      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2) in PHY_ABSTRACTION mode and search for errors
+01      02      02      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2) and search for errors, segmentation fault or exit
+01      02      03      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2) in PHY_ABSTRACTION mode and search for errors
+01      02      04      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2) without PHY_ABSTRACTION mode, ping from from eNB to UE,
                         and for check for no packet losses
-01      02      05      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2,5,6) in PHY_ABSTRACTION  mode, send ping from from eNB to UE,
+01      02      05      Run OAISIM-NOS1 Rel10 TDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2) in PHY_ABSTRACTION  mode, send ping from from eNB to UE,
                         and check for no packet losses
 
-01      03              Run OAISIM-NOS1 Rel10 (FDD + 5MHz/10MHz/20MHz + TM 1,2,5,6), and check the operation
-01      03      00      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE 1 eNB (5 MHz/10MHz/20MHz), (TM 1,2,5,6) and search for errors, segmentation fault or exit
-01      03      01      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2,5,6) in PHY_ABSTRACTION mode and search for errors
-01      03      02      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2,5,6) and search for errors, segmentation fault or exit
-01      03      03      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2,5,6) in PHY_ABSTRACTION mode and search for errors
-01      03      04      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2,5,6) without PHY_ABSTRACTION mode, ping from from eNB to UE,
+01      03              Run OAISIM-NOS1 Rel10 (FDD + 5MHz/10MHz/20MHz + TM 1,2), and check the operation
+01      03      00      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE 1 eNB (5 MHz/10MHz/20MHz), (TM 1,2) and search for errors, segmentation fault or exit
+01      03      01      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2) in PHY_ABSTRACTION mode and search for errors
+01      03      02      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2) and search for errors, segmentation fault or exit
+01      03      03      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 3 UEs (5 MHz/10MHz/20MHz), (TM 1,2) in PHY_ABSTRACTION mode and search for errors
+01      03      04      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2) without PHY_ABSTRACTION mode, ping from from eNB to UE,
                         and for check for no packet losses
-01      03      05      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2,5,6) in PHY_ABSTRACTION  mode, send ping from from eNB to UE,
+01      03      05      Run OAISIM-NOS1 Rel10 FDD, 1 eNB + 1 UE (5 MHz/10MHz/20MHz), (TM 1,2) in PHY_ABSTRACTION  mode, send ping from from eNB to UE,
                         and check for no packet losses
 
 
@@ -97,31 +97,49 @@ Obj.#   Case#   Test#	Description
 01      51      06      mbmssim (TBD)
 
 
-01      55              lte-softmodem tests with USRP B210 RF as eNB and ALU EPC w/ Bandrich COTS UE for `TX/1RX, 1TX/2RX, 2TX/1RX 2TX/2RX
+01      55              lte-softmodem tests with USRP B210 RF as eNB and ALU EPC w/ Bandrich COTS UE for TX/1RX, 2TX/2RX
 01      55      00      Band 7 FDD 5MHz UL Throughput for 60 sec for 1TX/1RX
-01      55      00      Band 7 FDD 10MHz UL Throughput for 60 sec
-01      55      00      Band 7 FDD 20MHz UL Throughput for 60 sec
-01      55      00      Band 7 FDD 5MHz DL Throughput for 60 sec
-01      55      00      Band 7 FDD 10MHz DL Throughput for 60 sec
-01      55      00      Band 7 FDD 20MHz DL Throughput for 60 sec
-
+01      55      01      Band 7 FDD 10MHz UL Throughput for 60 sec for 1TX/1RX
+01      55      02      Band 7 FDD 20MHz UL Throughput for 60 sec for 1TX/1RX
+01      55      03      Band 7 FDD 5MHz DL Throughput for 60 sec for 1TX/1RX
+01      55      04      Band 7 FDD 10MHz DL Throughput for 60 sec for 1TX/1RX
+01      55      05      Band 7 FDD 20MHz DL Throughput for 60 sec for 1TX/1RX
+01      55      06      Band 7 FDD 5MHz UL Throughput for 60 sec for 2TX/2RX
+01      55      07      Band 7 FDD 10MHz UL Throughput for 60 sec for 2TX/2RX
+01      55      08      Band 7 FDD 20MHz UL Throughput for 60 sec for 2TX/2RX
+01      55      09      Band 7 FDD 5MHz DL Throughput for 60 sec for 2TX/2RX
+01      55      10      Band 7 FDD 10MHz DL Throughput for 60 sec for 2TX/2RX
+01      55      11      Band 7 FDD 20MHz DL Throughput for 60 sec for 2TX/2RX
 
 01      56              lte-softmodem tests with USRP B210  RF as eNB and  OAI EPC (eNB and EPC are on same machines) w/ Bandrich COTS UE
 
 
 01      57              lte-softmodem tests with USRP B210 RF as eNB and OAI EPC (eNB and EPC are on different machines) w/ Bandrich COTS UE
 
-01      58               lte-softmodem tests with USRP X310 RF as eNB and ALU EPC w/ Bandrich COTS UE for `TX/1RX, 1TX/2RX, 2TX/1RX 2TX/2RX
+01      58               lte-softmodem tests with USRP X310 RF as eNB and ALU EPC w/ Bandrich COTS UE for `TX/1RX, 2TX/2RX
+01      58      00      Band 7 FDD 5MHz UL Throughput for 60 sec for 1TX/1RX
+01      58      01      Band 7 FDD 10MHz UL Throughput for 60 sec for 1TX/1RX
+01      58      02      Band 7 FDD 20MHz UL Throughput for 60 sec for 1TX/1RX
+01      58      03      Band 7 FDD 5MHz DL Throughput for 60 sec for 1TX/1RX
+01      58      04      Band 7 FDD 10MHz DL Throughput for 60 sec for 1TX/1RX
+01      58      05      Band 7 FDD 20MHz DL Throughput for 60 sec for 1TX/1RX
 
 01      59              lte-softmodem tests with USRP X310  RF as eNB and  OAI EPC (eNB and EPC are on same machines) w/ Bandrich COTS UE
 
 01      61              lte-softmodem tests with USRP X310 RF as eNB and OAI EPC (eNB and EPC are on different machines) w/ Bandrich COTS UE
 
-01      61              lte-softmodem tests with EXMIMO RF as eNB and ALU EPC w/ Bandrich COTS UE
+01      61              lte-softmodem tests with EXMIMO RF as eNB and ALU EPC w/ Bandrich COTS UE for `TX/1RX, 2TX/2RX
+01      61      00      Band 7 FDD 5MHz UL Throughput for 60 sec for 1TX/1RX
+01      61      01      Band 7 FDD 10MHz UL Throughput for 60 sec for 1TX/1RX
+01      61      02      Band 7 FDD 20MHz UL Throughput for 60 sec for 1TX/1RX
+01      61      03      Band 7 FDD 5MHz DL Throughput for 60 sec for 1TX/1RX
+01      61      04      Band 7 FDD 10MHz DL Throughput for 60 sec for 1TX/1RX
+01      61      05      Band 7 FDD 20MHz DL Throughput for 60 sec for 1TX/1RX
+
 01      62              lte-softmodem tests with EXMIMO RF as eNB and OAI EPC (eNB and EPC are on same machines) w/ Bandrich COTS UE
 01      63              lte-softmodem tests with EXMIMO RF as eNB and  OAI EPC (eNB and EPC are on different machines) w/ Bandrich COTS UE
 
-01      58              lte-softmodem-noS1 tests
+01      64              lte-softmodem-noS1 tests
 
 02                      Functional test case
 

cmake_targets/autotests/core.py

@@ -181,7 +181,8 @@ class core:
             rsp2 = self.prompt2
         self.wait_quiet()
         if sudo == True:
-          command = 'echo \'' + self.password + '\' | sudo -S -E ' + command
+          #command = 'echo \'' + self.password + '\' | sudo -S -E ' + command
+          command = 'echo \'' + '' + '\' | sudo -S -E bash -c \' ' + command + '\' '
         if self.send_cr:
             log.stats['cmd'] += 1
             self.oai.sendline(command)

cmake_targets/autotests/openair.py

@@ -43,6 +43,7 @@ import shutil
 import subprocess 
 import sys
 import traceback
+import time
 # import call
 
 from core import *
@@ -82,6 +83,7 @@ class openair(core):
         return (stdout, stderr)
 
     def connect(self, username, password, prompt='PEXPECT_OAI'):
+     while True:  
         self.prompt1 = prompt
         self.prompt2 = prompt
         self.password = '' 
@@ -103,13 +105,15 @@ class openair(core):
             self.oai.sendline('uptime')
             self.oai.prompt()
             print self.oai.before
-                              
+            break
         except Exception, e:
             error=''
             error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: '  + str(e.__class__) + " : " + str( e)
             error = error + traceback.format_exc()
             print error
-            sys.exit(1)
+            print "Retrying again in 60 seconds"
+            time.sleep(60)
+            #sys.exit(1)
                 
     def connect2(self, username, password, prompt='$'):
         self.prompt1 = prompt
@@ -190,7 +194,7 @@ class openair(core):
                error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: '  + str(e.__class__) + " : " + str( e)
                error = error + traceback.format_exc()
                print error
-               sys.exit(1)
+               #sys.exit(1)
             
     def rm_driver(self,oai,user, pw):
         try:
@@ -205,7 +209,7 @@ class openair(core):
                error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: '  + str(e.__class__) + " : " + str( e)
                error = error + traceback.format_exc()
                print error
-               sys.exit(1)
+               #sys.exit(1)
    
     def driver(self,oai,user,pw):
         #pwd = oai.send_recv('pwd') 
@@ -222,7 +226,7 @@ class openair(core):
                error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: '  + str(e.__class__) + " : " + str( e)
                error = error + traceback.format_exc()
                print error
-               sys.exit(1)
+               #sys.exit(1)
     
     def cleandir (self, logdir,debug) :
         
@@ -238,8 +242,8 @@ class openair(core):
                error = error + ' In function: ' + sys._getframe().f_code.co_name + ': *** Caught exception: '  + str(e.__class__) + " : " + str( e)
                error = error + traceback.format_exc()
                print error
-               sys.exit(1)
-                #print 'Could not remove the filepath'+ filepath + ' with error ' + OSError
+               #sys.exit(1)
+               #print 'Could not remove the filepath'+ filepath + ' with error ' + OSError
     
     def create_dir(self,dirname,debug) :
         if not os.path.exists(dirname) :

cmake_targets/autotests/run_exec_autotests.bash

@@ -400,12 +400,13 @@ else
 fi
 
 tmpfile=`mktemp`
-echo \'$passwd\' | sudo echo $HOME >& $tmpfile
+echo \'$passwd\' | $SUDO echo $HOME >& $tmpfile
 tstsudo=`cat $tmpfile`
 if [ "$tstsudo" != "$HOME" ]; then
-  echo "User might not have sudo privileges. Exiting" 
-  echo "tstsudo = $tstsudo"
+  echo "$USER might not have sudo privileges. Exiting" 
   exit
+else
+  echo "$USER has sudo privileges"
 fi
 echo "tstsudo = $tstsudo"
 rm -fr $tmpfile
@@ -495,6 +496,7 @@ for search_expr in "${test_case_array[@]}"
     if [ "$class" == "compilation" ]; then
         test_compile "$name" "$compile_prog" "$compile_prog_args" "$pre_exec" "$pre_exec_args" "$main_exec" "$main_exec_args" "search_array_true[@]" "$search_expr_false" "$nruns" "$pre_compile_prog" "$class" "$compile_prog_out" "$tags"
     elif  [ "$class" == "execution" ]; then
+        $SUDO killall -q oaisim_nos1
         test_compile_and_run "$name" "$compile_prog" "$compile_prog_args" "$pre_exec" "$pre_exec_args" "$main_exec" "$main_exec_args" "search_array_true[@]" "$search_expr_false" "$nruns" "$pre_compile_prog" "$class" "$compile_prog_out" "$tags" "$mypassword" 
     else
         echo "Unexpected class of test case...Skipping the test case $name ...."

cmake_targets/autotests/tools/configure_cots_bandrich_ue.py

@@ -127,7 +127,7 @@ def start_ue () :
         ip = IPRoute()
         idx = ip.link_lookup(ifname=iface)[0]
         os.system ('route add 192.172.0.1 ppp0')
-        os.system ('ping 192.172.0.1')
+        os.system ('ping -c 5 192.172.0.1')
         break
      except Exception, e:
         error = ' Interface ' + iface + 'does not exist...'

cmake_targets/autotests/tools/exmimo/exmimo_stop.m

+n=oarf_get_num_detected_cards;
+for i=n-1:0
+	oarf_stop(i);
+end

cmake_targets/autotests/tools/exmimo/init_exmimo2

+#!/bin/bash
+
+################################################################################
+#   OpenAirInterface
+#   Copyright(c) 1999 - 2015 Eurecom
+#
+#    OpenAirInterface is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#
+#    OpenAirInterface is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with OpenAirInterface.The full GNU General Public License is
+#    included in this distribution in the file called "COPYING". If not,
+#    see <http://www.gnu.org/licenses/>.
+#
+#  Contact Information
+#  OpenAirInterface Admin: openair_admin@eurecom.fr
+#  OpenAirInterface Tech : openair_tech@eurecom.fr
+#  OpenAirInterface Dev  : openair4g-devel@lists.eurecom.fr
+#
+#  Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
+#
+################################################################################
+# file init_nas_nos1
+# brief loads the nasmesh module and sets up the radio bearers (used to provide ip interface without S1 interface)
+# author Florian Kaltenberger
+#
+#######################################
+
+load_module() 
+{
+  mod_name=${1##*/}
+  mod_name=${mod_name%.*}
+  if awk "/$mod_name/ {found=1 ;exit} END {if (found!=1) exit 1}" /proc/modules
+    then
+      echo "module $mod_name already loaded: I remove it first"
+      sudo rmmod $mod_name
+  fi
+  echo loading $mod_name
+  sudo insmod $1
+}
+
+
+function main() 
+{
+PCI=`lspci -m | grep Xilinx`
+if [ -z "$PCI" ]; then
+ echo "No card found. Stopping!"
+ return
+fi
+
+## This part corrects the wrong configuration of the endpoint done by the bios in some machines
+echo "$PCI" | while read config_reg; do
+SLOT_NUMBER=`echo $config_reg | awk -F\" '{print $1}'`
+sudo setpci -s $SLOT_NUMBER 60.b=10
+done
+
+
+load_module $OPENAIR_DIR/targets/bin/openair_rf.ko
+sleep 1
+
+if [ ! -e /dev/openair0 ]; then 
+ sudo mknod /dev/openair0 c 127 0
+ sudo chmod a+rw /dev/openair0
+fi
+
+DEVICE=`echo $PCI | awk -F\" '{print $(NF-1)}' | awk '{print $2}'`
+DEVICE_SWID=${DEVICE:2:2}
+if [ $DEVICE_SWID == '0a' ]; then
+   echo "Using firware version 10"
+   $OPENAIR_DIR/targets/bin/updatefw -s 0x43fffff0 -b -f $OPENAIR_TARGETS/ARCH/EXMIMO/USERSPACE/OAI_FW_INIT/sdr_expressmimo2_v10
+else
+   echo 'No corresponding firmware found'
+   return
+fi
+}
+
+main "$@"

cmake_targets/build_oai

@@ -555,17 +555,22 @@ function main() {
   #####################
   if [ "$OAI_TEST" = "1" ]; then
     echo_info "10. Running OAI pre commit tests (pre-ci) ..."
-    read -s -p "Enter Password: " mypassword
-    echo -e "\n"
+    echo_error "These scripts ASSUME that user is in /etc/sudoers and can execute commands without PASSWORD prompt"
+    echo_error "Add the following lines in /etc/sudoers file to make your __user_name__ sudo without password prompt"
+    echo_error " __your_user_name__ ALL = (ALL:ALL) NOPASSWD: ALL"
+    echo_error " __your_user_name__ ALL = (ALL) NOPASSWD: ALL "
     echo_info "The log file for the autotest script for debugging is located here: $OPENAIR_DIR/cmake_targets/autotests/log/autotests.log "
     echo_info "The results of autotests results is located here: $OPENAIR_DIR/cmake_targets/autotests/log/results_autotests.xml "
     echo_info "You can hit CTRL-C any time to terminate the autotests..."
+    echo "Current User Name: $USER"
+    read -s -p "Enter Password: " mypassword
+    echo -e "\n"
     rm -fr $OPENAIR_DIR/cmake_targets/autotests/log
     mkdir -p $OPENAIR_DIR/cmake_targets/autotests/log
     if [ "$RUN_GROUP" -eq "1" ]; then
-        echo '$mypassword'  | $OPENAIR_DIR/cmake_targets/autotests/run_exec_autotests.bash -g "$TEST_CASE_GROUP" >& $OPENAIR_DIR/cmake_targets/autotests/log/autotests.log &
+        $OPENAIR_DIR/cmake_targets/autotests/run_exec_autotests.bash -g "$TEST_CASE_GROUP" -p '$mypassword' >& $OPENAIR_DIR/cmake_targets/autotests/log/autotests.log &
     else
-        echo '$mypassword'  | $OPENAIR_DIR/cmake_targets/autotests/run_exec_autotests.bash >& $OPENAIR_DIR/cmake_targets/autotests/log/autotests.log &
+        $OPENAIR_DIR/cmake_targets/autotests/run_exec_autotests.bash -p '$mypassword' >& $OPENAIR_DIR/cmake_targets/autotests/log/autotests.log &
     fi
     wait
   else

oaienv

@@ -5,7 +5,8 @@ export OPENAIR1_DIR=$OPENAIR_HOME/openair1
 export OPENAIR2_DIR=$OPENAIR_HOME/openair2
 export OPENAIR3_DIR=$OPENAIR_HOME/openair3
 export OPENAIR_TARGETS=$OPENAIR_HOME/targets
-export OPENAIRITS_DIR=$OPENAIR_HOME/openairITS
+
+export PATH=$PATH:$OPENAIR_TARGETS/bin
 
 alias  oai='cd $OPENAIR_HOME'
 alias oai0='cd $OPENAIR0_DIR'

openair1/PHY/LTE_TRANSPORT/dci_tools.c

@@ -1103,8 +1103,12 @@ int generate_eNB_dlsch_params_from_dci(int frame,
 
     dlsch[0]->harq_ids[subframe] = harq_pid;
 
-    if (dlsch0_harq->round == 0)
+    if (dlsch0_harq->round == 0) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch[0], harq_pid);
       dlsch0_harq->status = ACTIVE;
+    }
 
     break;
 
@@ -1238,6 +1242,9 @@ int generate_eNB_dlsch_params_from_dci(int frame,
 
 
     if (dlsch0_harq->round == 0) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch[0], harq_pid);
       dlsch0_harq->status = ACTIVE;
       //            printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
       // MCS and TBS don't change across HARQ rounds
@@ -1598,10 +1605,16 @@ int generate_eNB_dlsch_params_from_dci(int frame,
 
     // reset HARQ process if this is the first transmission
     if (dlsch0_harq->round == 0) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch0, harq_pid);
       dlsch0_harq->status = ACTIVE;
     }
 
     if (dlsch1_harq->round == 0) {
+      /* necessary test? */
+      if (dlsch1_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch1, harq_pid);
       dlsch1_harq->status = ACTIVE;
     }
 
@@ -1980,10 +1993,16 @@ int generate_eNB_dlsch_params_from_dci(int frame,
 
     // reset HARQ process if this is the first transmission
     if ((dlsch0->active==1) && (dlsch0_harq->round == 0)) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch0, harq_pid);
       dlsch0_harq->status = ACTIVE;
     }
 
     if ((dlsch1->active==1) && (dlsch1_harq->round == 0)) {
+      /* necessary test? */
+      if (dlsch1_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch1, harq_pid);
       dlsch1_harq->status = ACTIVE;
     }
 
@@ -2126,16 +2145,23 @@ int generate_eNB_dlsch_params_from_dci(int frame,
     // check if either TB is disabled (see 36-213 V8.6 p. 26)
 
 
-    if ((dlsch0_harq->rvidx == 1) && (dlsch0_harq->mcs == 0))
+    if ((dlsch0_harq->rvidx == 1) && (dlsch0_harq->mcs == 0)) {
+      LOG_W(PHY, "what to do with respect to remove_harq_pid_from_freelist?\n");
       dlsch0_harq->status = DISABLED;
+    }
 
-    if ((dlsch1_harq->rvidx == 1) && (dlsch1_harq->mcs == 0))
+    if ((dlsch1_harq->rvidx == 1) && (dlsch1_harq->mcs == 0)) {
+      LOG_W(PHY, "what to do with respect to remove_harq_pid_from_freelist?\n");
       dlsch1_harq->status = DISABLED;
+    }
 
     dlsch0_harq->Nl        = 1;
 
 
     if (dlsch0_harq->round == 0) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch0, harq_pid);
       dlsch0_harq->status = ACTIVE;
       //      printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
     }
@@ -2300,11 +2326,17 @@ int generate_eNB_dlsch_params_from_dci(int frame,
 
 
     if ((dlsch0_harq->round == 0) && (dlsch0->active == 1) ) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch0, harq_pid);
       dlsch0_harq->status      = ACTIVE;
       dlsch0_harq->mcs         = mcs1;
     }
 
     if ((dlsch1_harq->round == 0) && (dlsch1->active == 1) ) {
+      /* necessary test? */
+      if (dlsch1_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch1, harq_pid);
       dlsch1_harq->status      = ACTIVE;
       dlsch1_harq->mcs         = mcs2;
     }
@@ -2468,6 +2500,9 @@ int generate_eNB_dlsch_params_from_dci(int frame,
 
 
     if (dlsch0_harq->round == 0) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch0, harq_pid);
       dlsch0_harq->status = ACTIVE;
       //      printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
     }
@@ -2600,6 +2635,9 @@ int generate_eNB_dlsch_params_from_dci(int frame,
 
     //    dlsch0_harq->Ndi         = ((DCI1E_5MHz_2A_M10PRB_TDD_t *)dci_pdu)->ndi;
     if (dlsch0_harq->round == 0) {
+      /* necessary test? */
+      if (dlsch0_harq->status == SCH_IDLE)
+        remove_harq_pid_from_freelist(dlsch0, harq_pid);
       dlsch0_harq->status = ACTIVE;
       //      printf("Setting DLSCH process %d to ACTIVE\n",harq_pid);
     }

openair1/PHY/LTE_TRANSPORT/defs.h

@@ -264,6 +264,13 @@ typedef struct {
   uint8_t error_threshold;
   /// Pointers to 8 HARQ processes for the DLSCH
   LTE_DL_eNB_HARQ_t *harq_processes[8];
+  /// circular list of free harq PIDs (the oldest come first)
+  /// (10 is arbitrary value, must be > to max number of DL HARQ processes in LTE)
+  int harq_pid_freelist[10];
+  /// the head position of the free list (if list is free then head=tail)
+  int head_freelist;
+  /// the tail position of the free list
+  int tail_freelist;
   /// Number of soft channel bits
   uint32_t G;
   /// Codebook index for this dlsch (0,1,2,3)

openair1/PHY/LTE_TRANSPORT/dlsch_coding.c

@@ -152,6 +152,9 @@ LTE_eNB_DLSCH_t *new_eNB_dlsch(unsigned char Kmimo,unsigned char Mdlharq,unsigne
     for (i=0; i<10; i++)
       dlsch->harq_ids[i] = Mdlharq;
 
+    dlsch->head_freelist = 0;
+    dlsch->tail_freelist = 0;
+
     for (i=0; i<Mdlharq; i++) {
       dlsch->harq_processes[i] = (LTE_DL_eNB_HARQ_t *)malloc16(sizeof(LTE_DL_eNB_HARQ_t));
       LOG_T(PHY, "Required mem size %d (bw scaling %d), dlsch->harq_processes[%d] %p\n",
@@ -192,6 +195,8 @@ LTE_eNB_DLSCH_t *new_eNB_dlsch(unsigned char Kmimo,unsigned char Mdlharq,unsigne
         msg("Can't get harq_p %d\n",i);
         exit_flag=3;
       }
+
+      put_harq_pid_in_freelist(dlsch, i);
     }
 
     if (exit_flag==0) {

openair1/PHY/TOOLS/cdot_prod.c

@@ -119,6 +119,7 @@ int32_t dot_product(int16_t *x,
   _m_empty();
  
   return(result);
+
 #elif defined(__arm__)
   int16x4_t *x_128=(int16x4_t*)x;
   int16x4_t *y_128=(int16x4_t*)y;

openair1/PHY/TOOLS/lte_dfts.c

@@ -94,7 +94,7 @@ static inline void cmacc(__m128i a,__m128i b, __m128i *re32, __m128i *im32)
   cmac_tmp    = _mm_sign_epi16(b,*(__m128i*)reflip);
   //  cmac_tmp    = _mm_shufflelo_epi16(b,_MM_SHUFFLE(2,3,0,1));
   //  cmac_tmp    = _mm_shufflehi_epi16(cmac_tmp,_MM_SHUFFLE(2,3,0,1));
-  cmac_tmp = _mm_shuffle_epi8(b,_mm_set_epi8(13,12,15,14,9,8,11,10,5,4,7,6,1,0,3,2));
+  cmac_tmp = _mm_shuffle_epi8(cmac_tmp,_mm_set_epi8(13,12,15,14,9,8,11,10,5,4,7,6,1,0,3,2));
   cmac_tmp_im32  = _mm_madd_epi16(cmac_tmp,a);
 
   *re32 = _mm_add_epi32(*re32,cmac_tmp_re32);

openair1/SCHED/defs.h

@@ -401,6 +401,8 @@ uint16_t get_Np(uint8_t N_RB_DL,uint8_t nCCE,uint8_t plus1);
 
 int get_nCCE_offset(unsigned char L, int nCCE, int common_dci, unsigned short rnti, unsigned char subframe);
 
+void put_harq_pid_in_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid);
+void remove_harq_pid_from_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid);
 
 int8_t find_ue(uint16_t rnti, PHY_VARS_eNB *phy_vars_eNB);
 int32_t add_ue(int16_t rnti, PHY_VARS_eNB *phy_vars_eNB);

openair1/SCHED/phy_procedures_lte_eNb.c

@@ -136,6 +136,30 @@ uint8_t is_SR_subframe(PHY_VARS_eNB *phy_vars_eNB,uint8_t UE_id,uint8_t sched_su
   return(0);
 }
 
+void put_harq_pid_in_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid)
+{
+  DLSCH_ptr->harq_pid_freelist[DLSCH_ptr->tail_freelist] = harq_pid;
+  DLSCH_ptr->tail_freelist = (DLSCH_ptr->tail_freelist + 1) % 10;
+}
+
+void remove_harq_pid_from_freelist(LTE_eNB_DLSCH_t *DLSCH_ptr, int harq_pid)
+{
+  if (DLSCH_ptr->head_freelist == DLSCH_ptr->tail_freelist) {
+    LOG_E(PHY, "%s:%d: you cannot read this!\n", __FILE__, __LINE__);
+    abort();
+  }
+  /* basic check, in case several threads deal with the free list at the same time
+   * in normal situations it should not happen, that's also why we don't use any
+   * locking mechanism to protect the free list
+   * to be refined in case things don't work properly
+   */
+  if (harq_pid != DLSCH_ptr->harq_pid_freelist[DLSCH_ptr->head_freelist]) {
+    LOG_E(PHY, "%s:%d: critical error, get in touch with the authors\n", __FILE__, __LINE__);
+    abort();
+  }
+  DLSCH_ptr->head_freelist = (DLSCH_ptr->head_freelist + 1) % 10;
+}
+
 int32_t add_ue(int16_t rnti, PHY_VARS_eNB *phy_vars_eNB)
 {
   uint8_t i;
@@ -178,6 +202,7 @@ int32_t add_ue(int16_t rnti, PHY_VARS_eNB *phy_vars_eNB)
 int32_t remove_ue(uint16_t rnti, PHY_VARS_eNB *phy_vars_eNB, uint8_t abstraction_flag)
 {
   uint8_t i;
+  int j;
 
   for (i=0; i<NUMBER_OF_UE_MAX; i++) {
     if ((phy_vars_eNB->dlsch_eNB[i]==NULL) || (phy_vars_eNB->ulsch_eNB[i]==NULL)) {
@@ -196,6 +221,13 @@ int32_t remove_ue(uint16_t rnti, PHY_VARS_eNB *phy_vars_eNB, uint8_t abstraction
         //phy_vars_eNB->eNB_UE_stats[i].crnti = 0;
         memset(&phy_vars_eNB->eNB_UE_stats[i],0,sizeof(LTE_eNB_UE_stats));
         //  mac_exit_wrapper("Removing UE");
+
+        /* clear the harq pid freelist */
+        phy_vars_eNB->dlsch_eNB[i][0]->head_freelist = 0;
+        phy_vars_eNB->dlsch_eNB[i][0]->tail_freelist = 0;
+        for (j = 0; j < 8; j++)
+          put_harq_pid_in_freelist(phy_vars_eNB->dlsch_eNB[i][0], j);
+
         return(i);
       }
     }
@@ -224,14 +256,12 @@ int8_t find_next_ue_index(PHY_VARS_eNB *phy_vars_eNB)
 
 int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16_t rnti, const int frame, const uint8_t subframe,uint8_t *harq_pid,uint8_t *round,const uint8_t ul_flag)
 {
-
   LTE_eNB_DLSCH_t *DLSCH_ptr;
   LTE_eNB_ULSCH_t *ULSCH_ptr;
   uint8_t ulsch_subframe,ulsch_frame;
   uint8_t i;
   int8_t UE_id = find_ue(rnti,PHY_vars_eNB_g[Mod_id][CC_id]);
   int sf1=(10*frame)+subframe,sf2,sfdiff,sfdiff_max=7;
-  int first_proc_found=0;
 
   if (UE_id==-1) {
     LOG_D(PHY,"Cannot find UE with rnti %x (Mod_id %d, CC_id %d)\n",rnti, Mod_id, CC_id);
@@ -247,18 +277,7 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
 
     for (i=0; i<DLSCH_ptr->Mdlharq; i++) {
       if (DLSCH_ptr->harq_processes[i]!=NULL) {
-	if (DLSCH_ptr->harq_processes[i]->status != ACTIVE) {
-	  // store first inactive process
-	  if (first_proc_found == 0) {
-	    first_proc_found = 1;
-	    *harq_pid = i;
-	    *round = 0;
-	    LOG_D(PHY,"process %d is first free process\n",i);
-	  }
-	  else {
-	    LOG_D(PHY,"process %d is free\n",i);
-	  }
-	} else {
+	if (DLSCH_ptr->harq_processes[i]->status == ACTIVE) {
 	  sf2 = (DLSCH_ptr->harq_processes[i]->frame*10) + DLSCH_ptr->harq_processes[i]->subframe;
 	  if (sf2<=sf1)
 	    sfdiff = sf1-sf2;
@@ -270,7 +289,6 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
 	    sfdiff_max = sfdiff; 
 	    *harq_pid = i;
 	    *round = DLSCH_ptr->harq_processes[i]->round;
-	    first_proc_found = 1;
 	  }
 	}
       } else { // a process is not defined
@@ -278,6 +296,14 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
 	return(-1);
       }
     }
+
+    /* if no active harq pid, get the oldest in the freelist, if any */
+    if (*harq_pid == 255 && DLSCH_ptr->head_freelist != DLSCH_ptr->tail_freelist) {
+      *harq_pid = DLSCH_ptr->harq_pid_freelist[DLSCH_ptr->head_freelist];
+      *round = 0;
+      LOG_D(PHY,"process %d is first free process\n", *harq_pid);
+    }
+
     LOG_D(PHY,"get_ue_active_harq_pid DL => Frame %d, Subframe %d : harq_pid %d\n",
 	  frame,subframe,*harq_pid);
   } else { // This is a UL request
@@ -296,7 +322,6 @@ int get_ue_active_harq_pid(const uint8_t Mod_id,const uint8_t CC_id,const uint16
   return(0);
 }
 
-
 int CCE_table[800];
 
 void init_nCCE_table(void)
@@ -2868,6 +2893,7 @@ void process_HARQ_feedback(uint8_t UE_id,
               dlsch_harq_proc->round = 0;
               ue_stats->dlsch_l2_errors[dl_harq_pid[m]]++;
               dlsch_harq_proc->status = SCH_IDLE;
+              put_harq_pid_in_freelist(dlsch, dl_harq_pid[m]);
               dlsch->harq_ids[dl_subframe] = dlsch->Mdlharq;
             }
           } else {
@@ -2880,6 +2906,7 @@ void process_HARQ_feedback(uint8_t UE_id,
             // Received ACK so set round to 0 and set dlsch_harq_pid IDLE
             dlsch_harq_proc->round  = 0;
             dlsch_harq_proc->status = SCH_IDLE;
+            put_harq_pid_in_freelist(dlsch, dl_harq_pid[m]);
             dlsch->harq_ids[dl_subframe] = dlsch->Mdlharq;
 
             ue_stats->total_TBS = ue_stats->total_TBS +
@@ -3949,6 +3976,9 @@ void phy_procedures_eNB_RX(const unsigned char sched_subframe,PHY_VARS_eNB *phy_
             phy_vars_eNB->eNB_UE_stats[i].sr_received++;
 
             if (phy_vars_eNB->first_sr[i] == 1) { // this is the first request for uplink after Connection Setup, so clear HARQ process 0 use for Msg4
+              /* is this test necessary? */
+              if (phy_vars_eNB->dlsch_eNB[i][0]->harq_processes[0]->status != SCH_IDLE)
+                put_harq_pid_in_freelist(phy_vars_eNB->dlsch_eNB[i][0], 0);
               phy_vars_eNB->first_sr[i] = 0;
               phy_vars_eNB->dlsch_eNB[i][0]->harq_processes[0]->round=0;
               phy_vars_eNB->dlsch_eNB[i][0]->harq_processes[0]->status=SCH_IDLE;

openair1/SIMULATION/TOOLS/abstraction.c

@@ -45,7 +45,7 @@ double **cos_lut=NULL,**sin_lut=NULL;
 
 
 
-void init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
+int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
 {
 
 
@@ -54,12 +54,14 @@ void init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
   int16_t f;
   uint8_t l;
 
+  if ((n_samples&1)==0) {
+    fprintf(stderr, "freq_channel_init: n_samples has to be odd\n");
+    return(-1); 
+  }
 
   cos_lut = (double **)malloc(n_samples*sizeof(double*));
   sin_lut = (double **)malloc(n_samples*sizeof(double*));
 
-
-
   delta_f = nb_rb*180000/(n_samples-1);
 
   for (f=-(n_samples>>1); f<(n_samples>>1); f++) {
@@ -81,9 +83,11 @@ void init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
 
     }
   }
+
+  return(0);
 }
 
-void freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
+int freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
 {
 
 
@@ -93,18 +97,28 @@ void freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
   static int freq_channel_init=0;
   static int n_samples_max=0;
 
-  // printf("no of samples:%d,",n_samples);
+  // do some error checking
+  // n_samples has to be a odd number because we assume the spectrum is symmetric around the DC and includes the DC
+  if ((n_samples&1)==0) {
+    fprintf(stderr, "freq_channel: n_samples has to be odd\n");
+    return(-1); 
+  }
+
   // printf("no of taps:%d,",(int)desc->nb_taps);
 
   if (freq_channel_init == 0) {
     // we are initializing the lut for the largets possible n_samples=12*nb_rb+1
     // if called with n_samples<12*nb_rb+1, we decimate the lut
     n_samples_max=12*nb_rb+1;
-    init_freq_channel(desc,nb_rb,n_samples_max);
-    freq_channel_init=1;
+    if (init_freq_channel(desc,nb_rb,n_samples_max)==0)
+      freq_channel_init=1;
+    else
+      return(-1);
   }
 
-  d=n_samples_max/n_samples;
+  d=(n_samples_max-1)/(n_samples-1);
+
+  //printf("no_samples=%d, n_samples_max=%d, d=%d\n",n_samples,n_samples_max,d);
 
   start_meas(&desc->interp_freq);
 
@@ -129,6 +143,8 @@ void freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples)
   }
 
   stop_meas(&desc->interp_freq);
+
+  return(0);
 }
 
 double compute_pbch_sinr(channel_desc_t *desc,

openair1/SIMULATION/TOOLS/defs.h

@@ -360,8 +360,8 @@ int gauss(unsigned int *gauss_LUT,unsigned char Nbits);
 double gaussdouble(double,double);
 void randominit(unsigned int seed_init);
 double uniformrandom(void);
-void freq_channel(channel_desc_t *desc,uint16_t nb_rb, int16_t n_samples);
-void init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples);
+int freq_channel(channel_desc_t *desc,uint16_t nb_rb, int16_t n_samples);
+int init_freq_channel(channel_desc_t *desc,uint16_t nb_rb,int16_t n_samples);
 uint8_t multipath_channel_nosigconv(channel_desc_t *desc);
 void multipath_tv_channel(channel_desc_t *desc,
                           double **tx_sig_re,

targets/ARCH/COMMON/common_lib.h

@@ -60,6 +60,11 @@ typedef enum {
   max_gain=0,med_gain,byp_gain
 } rx_gain_t;
 
+typedef enum {
+  duplex_mode_TDD=1,duplex_mode_FDD=0
+} duplex_mode_t;
+
+
 /** @addtogroup _PHY_RF_INTERFACE_
  * @{
  */
@@ -76,6 +81,8 @@ typedef struct {
   int Mod_id;
   // device log level
   int log_level;
+  //! duplexing mode
+  duplex_mode_t duplex_mode;
   //! number of downlink resource blocks
   int num_rb_dl;
   //! number of samples per frame 

targets/ARCH/EXMIMO/DEFS/pcie_interface.h

@@ -316,7 +316,9 @@ typedef struct {
 //
 //    In TDD mode, there are two ways to control the RX/TX switch:
 //    1. using the LSB from the TX data (TXRXSWITCH_LSB)
+//       only the LSB from RF chain set in the ACTIVE_RF register controls the switch on all the chains
 //    2. using FPGA logic, based on switch_offset[0..3]
+//       this mode is not tested well and should be used with care
 #define DUPLEXMODE_MASK   (1<<0)
 #define DUPLEXMODE_FDD     0
 #define DUPLEXMODE_TDD    (1<<0)
@@ -330,6 +332,11 @@ typedef struct {
 #define SWITCHSTATE_1     (1<<3)
 #define TEST_ADACLOOP_MASK  (1<<4)
 #define TEST_ADACLOOP_EN    (1<<4)
+#define RF_ACTIVE_MASK      (15<<5)
+#define RF_ACTIVE_1         (1<<5)
+#define RF_ACTIVE_2         (2<<5)
+#define RF_ACTIVE_3         (4<<5)
+#define RF_ACTIVE_4         (8<<5)
 
 typedef enum {
   BW5,

targets/ARCH/EXMIMO/USERSPACE/LIB/openair0_lib.c

@@ -296,6 +296,7 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
   int ant, card;
   int resampling_factor=2;
   int rx_filter=RXLPF25, tx_filter=TXLPF25;
+  int ACTIVE_RF=0;
 
   exmimo_config_t         *p_exmimo_config;
   exmimo_id_t             *p_exmimo_id;
@@ -315,8 +316,6 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
     else
       p_exmimo_config->framing.eNB_flag   = !UE_flag;
 
-    p_exmimo_config->framing.tdd_config = DUPLEXMODE_FDD + TXRXSWITCH_LSB;
-
     if (openair0_num_detected_cards==1)
       p_exmimo_config->framing.multicard_syncmode=SYNCMODE_FREE;
     else if (card==0)
@@ -355,6 +354,7 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
 
     for (ant=0; ant<4; ant++) {
       if (openair0_cfg[card].rx_freq[ant] || openair0_cfg[card].tx_freq[ant]) {
+	ACTIVE_RF += (1<<ant)<<5;
         p_exmimo_config->rf.rf_mode[ant] = RF_MODE_BASE;
         p_exmimo_config->rf.do_autocal[ant] = 1;//openair0_cfg[card].autocal[ant];
 	printf("card %d, antenna %d, autocal %d\n",card,ant,openair0_cfg[card].autocal[ant]);
@@ -408,6 +408,15 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
       }
     }
 
+    if (openair0_cfg[card].duplex_mode==duplex_mode_FDD) {
+      p_exmimo_config->framing.tdd_config = DUPLEXMODE_FDD;
+      printf("!!!!!setting FDD (tdd_config=%d)\n",p_exmimo_config->framing.tdd_config);
+    } 
+    else {
+      p_exmimo_config->framing.tdd_config = DUPLEXMODE_TDD + TXRXSWITCH_LSB + ACTIVE_RF;
+      printf("!!!!!setting TDD (tdd_config=%d)\n",p_exmimo_config->framing.tdd_config);
+    }
+
     ret = ioctl(openair0_fd, openair_DUMP_CONFIG, card);
 
     if (ret!=0)

targets/ARCH/USRP/USERSPACE/LIB/usrp_lib.cpp

@@ -464,7 +464,7 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
       break;
     case 7680000:
       openair0_cfg[0].samples_per_packet    = 1024;
-      openair0_cfg[0].tx_sample_advance     = 103;
+      openair0_cfg[0].tx_sample_advance     = 70;//103;
       openair0_cfg[0].tx_scheduling_advance = 5*openair0_cfg[0].samples_per_packet;
       break;
     case 1920000:
@@ -479,13 +479,11 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
     }
   }
 
-   
-
   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\n",i,s->usrp->get_rx_num_channels());
+      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);
 
@@ -506,7 +504,7 @@ int openair0_dev_init_usrp(openair0_device* device, openair0_config_t *openair0_
     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\n",i,s->usrp->get_tx_num_channels());
+      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);
     }

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band38.tm1.exmimo2.conf

@@ -17,7 +17,7 @@ eNBs =
 
     mobile_country_code =  "208";
 
-    mobile_network_code =  "92";
+    mobile_network_code =  "93";
 
        ////////// Physical parameters:
 
@@ -131,7 +131,7 @@ eNBs =
     };
 
     ////////// MME parameters:
-    mme_ip_address      = ( { ipv4       = "192.168.13.11";
+    mme_ip_address      = ( { ipv4       = "192.168.12.70";
                               ipv6       = "192:168:30::17";
                               active     = "yes";
                               preference = "ipv4";
@@ -141,10 +141,10 @@ eNBs =
     NETWORK_INTERFACES :
     {
       ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
-      ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.13.10/24";
+      ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.212/24";
 
       ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
-      ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.13.10/24";
+      ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.212/24";
       ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.exmimo2.conf

@@ -17,7 +17,7 @@ eNBs =
 
     mobile_country_code =  "208";
 
-    mobile_network_code =  "92";
+    mobile_network_code =  "93";
 
        ////////// Physical parameters:
 
@@ -31,7 +31,7 @@ eNBs =
         downlink_frequency      			      = 2680000000L;
         uplink_frequency_offset 			      = -120000000;
         Nid_cell					      = 0;
-        N_RB_DL                 			      = 50;
+        N_RB_DL                 			      = 25;
         Nid_cell_mbsfn          			      = 0;
         nb_antennas_tx          			      = 1;
         nb_antennas_rx          			      = 1;
@@ -131,7 +131,7 @@ eNBs =
     };
 
     ////////// MME parameters:
-    mme_ip_address      = ( { ipv4       = "10.0.1.1";
+    mme_ip_address      = ( { ipv4       = "192.168.12.171";
                               ipv6       = "192:168:30::17";
                               active     = "yes";
                               preference = "ipv4";
@@ -140,11 +140,11 @@ eNBs =
 
     NETWORK_INTERFACES :
     {
-        ENB_INTERFACE_NAME_FOR_S1_MME            = "eth3";
-        ENB_IPV4_ADDRESS_FOR_S1_MME              = "10.0.1.229/24";
+        ENB_INTERFACE_NAME_FOR_S1_MME            = "eth2";
+        ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.80/24";
 
-        ENB_INTERFACE_NAME_FOR_S1U               = "eth3";
-        ENB_IPV4_ADDRESS_FOR_S1U                 = "10.0.1.229/24";
+        ENB_INTERFACE_NAME_FOR_S1U               = "eth2";
+        ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.80/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.conf

@@ -36,7 +36,7 @@ eNBs =
       nb_antennas_tx          			      = 1;
       nb_antennas_rx          			      = 1;
       tx_gain                                            = 90;
-      rx_gain                                            = 120;
+      rx_gain                                            = 132;
       prach_root              			      = 0;
       prach_config_index      			      = 0;
       prach_high_speed        			      = "DISABLE";
@@ -143,10 +143,10 @@ eNBs =
     NETWORK_INTERFACES :
     {
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
-        ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.216/24";
+        ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.213/24";
 
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
-        ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.216/24";
+        ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.213/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
 

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.epc.local.conf

@@ -36,7 +36,7 @@ eNBs =
         nb_antennas_tx          			      = 1;
         nb_antennas_rx          			      = 1;
         tx_gain                                = 90;
-        rx_gain                                = 120;
+        rx_gain                                = 132;
         prach_root              			      = 0;
         prach_config_index      			      = 0;
         prach_high_speed        			      = "DISABLE";

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.usrpb210.epc.remote.conf

@@ -30,12 +30,12 @@ eNBs =
         downlink_frequency      			      = 2660000000L;
         uplink_frequency_offset 			      = -120000000;
         Nid_cell					      = 0;
-        N_RB_DL                 			      = 100;
+        N_RB_DL                 			      = 25;
         Nid_cell_mbsfn          			      = 0;
         nb_antennas_tx          			      = 1;
         nb_antennas_rx          			      = 1;
         tx_gain                                            = 90;
-        rx_gain                                            = 119;
+        rx_gain                                            = 132;
         prach_root              			      = 0;
         prach_config_index      			      = 0;
         prach_high_speed        			      = "DISABLE";

targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.usrpb210.conf

@@ -36,7 +36,7 @@ eNBs =
                            nb_antennas_tx          			      = 2;
                            nb_antennas_rx          			      = 2; 
 			   tx_gain                                            = 90;
-			   rx_gain                                            = 115;
+			   rx_gain                                            = 132;
                            prach_root              			      = 0;
                            prach_config_index      			      = 0;
                            prach_high_speed        			      = "DISABLE";
@@ -132,7 +132,8 @@ eNBs =
     };
     
     ////////// MME parameters:
-    mme_ip_address      = ( { ipv4       = "192.168.12.70";
+
+    mme_ip_address      = ( { ipv4       = "192.168.12.11";
                               ipv6       = "192:168:30::17";
                               active     = "yes";
                               preference = "ipv4";
@@ -142,10 +143,10 @@ eNBs =
     NETWORK_INTERFACES : 
     {
         ENB_INTERFACE_NAME_FOR_S1_MME            = "eth0";
-        ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.212/24";
+        ENB_IPV4_ADDRESS_FOR_S1_MME              = "192.168.12.213/24";
 
         ENB_INTERFACE_NAME_FOR_S1U               = "eth0";
-        ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.212/24";
+        ENB_IPV4_ADDRESS_FOR_S1U                 = "192.168.12.213/24";
         ENB_PORT_FOR_S1U                         = 2152; # Spec 2152
     };
     

targets/RT/USER/lte-softmodem.c

@@ -289,6 +289,8 @@ double bw = 10.0e6;
 
 static int                      tx_max_power[MAX_NUM_CCs]; /* =  {0,0}*/;
 
+int chain_offset=0;
+
 #ifndef EXMIMO
 char ref[128] = "internal";
 char channels[128] = "0";
@@ -314,6 +316,7 @@ static LTE_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
 int multi_thread=1;
 uint32_t target_dl_mcs = 28; //maximum allowed mcs
 uint32_t target_ul_mcs = 10;
+uint32_t timing_advance = 0;
 uint8_t exit_missed_slots=1;
 uint64_t num_missed_slots=0; // counter for the number of missed slots
 
@@ -418,7 +421,7 @@ void help (void) {
   printf("  --ue-txgain set UE TX gain\n");
   printf("  --ue-scan_carrier set UE to scan around carrier\n");
   printf("  --loop-memory get softmodem (UE) to loop through memory instead of acquiring from HW\n");
-  printf("  -C Set the downlink frequecny for all Component carrier\n");
+  printf("  -C Set the downlink frequency for all component carriers\n");
   printf("  -d Enable soft scope and L1 and L2 stats (Xforms)\n");
   printf("  -F Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n");
   printf("  -g Set the global log level, valide options: (9:trace, 8/7:debug, 6:info, 4:warn, 3:error)\n");
@@ -432,6 +435,7 @@ void help (void) {
   printf("  -r Set the PRB, valid values: 6, 25, 50, 100  \n");    
   printf("  -S Skip the missed slots/subframes \n");    
   printf("  -t Set the maximum uplink MCS\n");
+  printf("  -T Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n");
   printf("  -U Set the lte softmodem as a UE\n");
   printf("  -W Enable L2 wireshark messages on localhost \n");
   printf("  -V Enable VCD (generated file will be located atopenair_dump_eNB.vcd, read it with target/RT/USER/eNB.gtkw\n");
@@ -966,6 +970,25 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
 	 phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset++] = 0x00010001;
        }
      }
+
+     if ((((phy_vars_eNB->lte_frame_parms.tdd_config==0) ||
+	  (phy_vars_eNB->lte_frame_parms.tdd_config==1) ||
+	  (phy_vars_eNB->lte_frame_parms.tdd_config==2) ||
+	  (phy_vars_eNB->lte_frame_parms.tdd_config==6)) && 
+	  (subframe==0)) || (subframe==5)) {
+       // turn on tx switch N_TA_offset before
+       //LOG_D(HW,"subframe %d, time to switch to tx (N_TA_offset %d, slot_offset %d) \n",subframe,phy_vars_eNB->N_TA_offset,slot_offset);
+       for (i=0; i<phy_vars_eNB->N_TA_offset; i++) {
+	 tx_offset = (int)slot_offset+time_offset[aa]+i-phy_vars_eNB->N_TA_offset/2;
+	 if (tx_offset<0)
+	   tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti;
+	 
+	 if (tx_offset>=(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti))
+	   tx_offset -= LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti;
+	 
+	 phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset] = 0x00000000;
+       }
+     }
     }
   }
 }
@@ -2037,7 +2060,7 @@ static void get_options (int argc, char **argv)
     {NULL, 0, NULL, 0}
   };
 
-  while ((c = getopt_long (argc, argv, "C:dK:g:F:G:hqO:m:SUVRM:r:P:Ws:t:x:",long_options,NULL)) != -1) {
+  while ((c = getopt_long (argc, argv, "A:a:C:dK:g:F:G:hqO:m:SUVRM:r:P:Ws:t:Tx:",long_options,NULL)) != -1) {
     switch (c) {
     case LONG_OPTION_MAXPOWER:
       tx_max_power[0]=atoi(optarg);
@@ -2112,6 +2135,10 @@ static void get_options (int argc, char **argv)
 #endif
       break;
 
+    case 'A':
+      timing_advance = atoi (optarg);
+      break;
+
     case 'C':
       for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
         downlink_frequency[CC_id][0] = atof(optarg); // Use float to avoid issue with frequency over 2^31.
@@ -2125,6 +2152,10 @@ static void get_options (int argc, char **argv)
 
       break;
 
+    case 'a':
+      chain_offset = atoi(optarg);
+      break;
+
     case 'd':
 #ifdef XFORMS
       do_forms=1;
@@ -2302,8 +2333,13 @@ static void get_options (int argc, char **argv)
         printf("Transmission mode > 2 (%d) not supported for the moment\n",transmission_mode);
         exit(-1);
       }
+      break;
 
+    case 'T':
+      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) 
+	frame_parms[CC_id]->frame_type = TDD;
       break;
+
     case 'h':
       help ();
       exit (-1);
@@ -2463,12 +2499,10 @@ int main( int argc, char **argv )
   memset(tx_max_power,0,sizeof(int)*MAX_NUM_CCs);
   set_latency_target();
 
-
-
   for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
     frame_parms[CC_id] = (LTE_DL_FRAME_PARMS*) malloc(sizeof(LTE_DL_FRAME_PARMS));
     /* Set some default values that may be overwritten while reading options */
-    frame_parms[CC_id]->frame_type         = FDD; /* TDD */
+    frame_parms[CC_id]->frame_type          = FDD;
     frame_parms[CC_id]->tdd_config          = 3;
     frame_parms[CC_id]->tdd_config_S        = 0;
     frame_parms[CC_id]->N_RB_DL             = 100;
@@ -2765,7 +2799,7 @@ int main( int argc, char **argv )
     PHY_vars_eNB_g[0] = malloc(sizeof(PHY_VARS_eNB*));
 
     for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
-      PHY_vars_eNB_g[0][CC_id] = init_lte_eNB(frame_parms[CC_id],0,Nid_cell,cooperation_flag,transmission_mode,abstraction_flag);
+      PHY_vars_eNB_g[0][CC_id] = init_lte_eNB(frame_parms[CC_id],0,frame_parms[CC_id]->Nid_cell,cooperation_flag,transmission_mode,abstraction_flag);
       PHY_vars_eNB_g[0][CC_id]->CC_id = CC_id;
 
 #ifndef OPENAIR2
@@ -2816,7 +2850,7 @@ int main( int argc, char **argv )
       }
 
 #else
-      //already taken care of in lte-softmodem
+      //already taken care of in lte-softmodem.c
       PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
 #endif
 
@@ -2854,8 +2888,8 @@ int main( int argc, char **argv )
     } else if (frame_parms[0]->N_RB_DL == 25) {
       openair0_cfg[card].sample_rate=7.68e6;
       openair0_cfg[card].samples_per_frame = 76800;
-      openair0_cfg[card].tx_bw = 2.5e6;
-      openair0_cfg[card].rx_bw = 2.5e6;
+      openair0_cfg[card].tx_bw = 5e6;
+      openair0_cfg[card].rx_bw = 5e6;
 
     } else if (frame_parms[0]->N_RB_DL == 6) {
       openair0_cfg[card].sample_rate=1.92e6;
@@ -2863,7 +2897,12 @@ int main( int argc, char **argv )
       openair0_cfg[card].tx_bw = 1.5e6;
       openair0_cfg[card].rx_bw = 1.5e6;
     }
-    
+
+    if (frame_parms[0]->frame_type==TDD)
+      openair0_cfg[card].duplex_mode = duplex_mode_TDD;
+    else //FDD
+      openair0_cfg[card].duplex_mode = duplex_mode_FDD;
+
 #ifdef ETHERNET
 
     //calib needed
@@ -3025,13 +3064,13 @@ int main( int argc, char **argv )
 
   for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
     rf_map[CC_id].card=0;
-    rf_map[CC_id].chain=CC_id;
+    rf_map[CC_id].chain=CC_id+chain_offset;
   }
 
   // connect the TX/RX buffers
   if (UE_flag==1) {
 #ifdef OAI_USRP
-    openair_daq_vars.timing_advance = 0;
+    openair_daq_vars.timing_advance = timing_advance;
 #else
     openair_daq_vars.timing_advance = 160;
 #endif

targets/RT/USER/lte-ue.c

@@ -1003,7 +1003,7 @@ void *UE_thread(void *arg)
   static int UE_thread_retval;
   PHY_VARS_UE *UE = PHY_vars_UE_g[0][0];
   int spp = openair0_cfg[0].samples_per_packet;
-  int slot=1, frame=0, hw_subframe=0, rxpos=0, txpos=spp*openair0_cfg[0].tx_scheduling_advance;
+  int slot=1, frame=0, hw_subframe=0, rxpos=0, txpos=openair0_cfg[0].tx_scheduling_advance;
 #ifdef __AVX2__
   int dummy[2][spp] __attribute__((aligned(32)));
 #else
@@ -1020,6 +1020,10 @@ void *UE_thread(void *arg)
 
   openair0_timestamp timestamp;
 
+#ifdef NAS_UE
+  MessageDef *message_p;
+#endif
+
 #ifdef RTAI
   RT_TASK *task = rt_task_init_schmod(nam2num("UE thread"), 0, 0, 0, SCHED_FIFO, 0xF);
 
@@ -1075,6 +1079,11 @@ void *UE_thread(void *arg)
 
   printf("starting UE thread\n");
 
+#ifdef NAS_UE
+  message_p = itti_alloc_new_message(TASK_NAS_UE, INITIALIZE_MESSAGE);
+  itti_send_msg_to_task (TASK_NAS_UE, INSTANCE_DEFAULT, message_p);
+#endif
+
   T0 = rt_get_time_ns();
   first_rx = 1;
   rxpos=0;