Applied S. Held's patches 16, additional modifications for UE frequency...

Applied S. Held's patches 16, additional modifications for UE frequency scanning and RSRP/RSSI calibration for ExpressMIMO2 and USRP B210

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7536 818b1a75-f10b-46b9-bf7c-635c3b92a50f

cmake_targets/CMakeLists.txt

@@ -389,7 +389,6 @@ add_boolean_option(USER_MODE True "????")
 
 add_boolean_option(OAI_NW_DRIVER_TYPE_ETHERNET False "????")
 add_boolean_option(DISABLE_USE_NAS False "???")
-add_boolean_option(ENABLE_PDCP_NETLINK_FIFO False "????")
 add_boolean_option(ENABLE_STANDALONE_EPC True "Compile MME, SGW and PGW in a single executable")
 add_boolean_option(ENABLE_USE_GTPU_IN_KERNEL True "as per name")
 add_boolean_option(ENABLE_USE_NETFILTER_FOR_SGI False "SGI option")

cmake_targets/autotests/test.0101/CMakeLists.txt

@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
 set ( ENABLE_ITTI False )
 set ( ENABLE_NAS_UE_LOGGING False )
 set ( ENABLE_NEW_MULTICAST True )
-set ( ENABLE_PDCP_NETLINK_FIFO False )
 set ( ENABLE_PGM_TRANSPORT True )
 set ( ENABLE_RAL False )
 set ( ENABLE_SECURITY False )

cmake_targets/autotests/test.0102/CMakeLists.txt

@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
 set ( ENABLE_ITTI False )
 set ( ENABLE_NAS_UE_LOGGING False )
 set ( ENABLE_NEW_MULTICAST True )
-set ( ENABLE_PDCP_NETLINK_FIFO False )
 set ( ENABLE_PGM_TRANSPORT True )
 set ( ENABLE_RAL False )
 set ( ENABLE_SECURITY False )

cmake_targets/autotests/test.0103/CMakeLists.txt

@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
 set ( ENABLE_ITTI False )
 set ( ENABLE_NAS_UE_LOGGING False )
 set ( ENABLE_NEW_MULTICAST False )
-set ( ENABLE_PDCP_NETLINK_FIFO False )
 set ( ENABLE_PGM_TRANSPORT False )
 set ( ENABLE_RAL False )
 set ( ENABLE_SECURITY False )

cmake_targets/autotests/test.0106/CMakeLists.txt

@@ -8,7 +8,6 @@ set(ENABLE_FXP True)
 set(ENABLE_ITTI True)
 set(ENABLE_NAS_UE_LOGGING False)
 set(ENABLE_NEW_MULTICAST True)
-set(ENABLE_PDCP_NETLINK_FIFO False)
 set(ENABLE_PGM_TRANSPORT True)
 set(ENABLE_RAL False)
 set(ENABLE_SECURITY False)

cmake_targets/autotests/test.0107/CMakeLists.txt

@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
 set ( ENABLE_ITTI False )
 set ( ENABLE_NAS_UE_LOGGING False )
 set ( ENABLE_NEW_MULTICAST True )
-set ( ENABLE_PDCP_NETLINK_FIFO False )
 set ( ENABLE_PGM_TRANSPORT True )
 set ( ENABLE_RAL False )
 set ( ENABLE_SECURITY False )

cmake_targets/autotests/test.0108/CMakeLists.txt

@@ -8,7 +8,6 @@ set(ENABLE_FXP True)
 set(ENABLE_ITTI True)
 set(ENABLE_NAS_UE_LOGGING False)
 set(ENABLE_NEW_MULTICAST True)
-set(ENABLE_PDCP_NETLINK_FIFO False)
 set(ENABLE_PGM_TRANSPORT True)
 set(ENABLE_RAL False)
 set(ENABLE_SECURITY False)

cmake_targets/autotests/test.0114/CMakeLists.txt

@@ -8,7 +8,6 @@ set(ENABLE_FXP True)
 set(ENABLE_ITTI True)
 set(ENABLE_NAS_UE_LOGGING False)
 set(ENABLE_NEW_MULTICAST True)
-set(ENABLE_PDCP_NETLINK_FIFO True)
 set(ENABLE_PGM_TRANSPORT True)
 set(ENABLE_RAL True)
 set(ENABLE_SECURITY False)

cmake_targets/autotests/test.0115/CMakeLists.txt

@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
 set ( ENABLE_ITTI True )
 set ( ENABLE_NAS_UE_LOGGING False )
 set ( ENABLE_NEW_MULTICAST True )
-set ( ENABLE_PDCP_NETLINK_FIFO False )
 set ( ENABLE_PGM_TRANSPORT True )
 set ( ENABLE_RAL True )
 set ( ENABLE_SECURITY False )

cmake_targets/autotests/test.0120/CMakeLists.txt

@@ -10,7 +10,6 @@ set ( ENABLE_FXP True )
 set ( ENABLE_ITTI False )
 set ( ENABLE_NAS_UE_LOGGING False )
 set ( ENABLE_NEW_MULTICAST True )
-set ( ENABLE_PDCP_NETLINK_FIFO False )
 set ( ENABLE_PGM_TRANSPORT True )
 set ( ENABLE_RAL False )
 set ( ENABLE_SECURITY False )

cmake_targets/epc_build_oai/CMakeLists.template

@@ -12,7 +12,6 @@ set (  ENABLE_FXP False )
 set (  ENABLE_ITTI True )
 set (  ENABLE_NAS_UE_LOGGING False )
 set (  ENABLE_NEW_MULTICAST False )
-set (  ENABLE_PDCP_NETLINK_FIFO False )
 set (  ENABLE_PGM_TRANSPORT False )
 set (  ENABLE_RAL False )
 set (  ENABLE_SECURITY False )

cmake_targets/lte_noS1_build_oai/CMakeLists.txt

@@ -2,7 +2,7 @@ cmake_minimum_required(VERSION 2.8)
 set(XFORMS 1 )
 set(RRC_ASN1_VERSION "Rel10")
 set(ENABLE_VCD_FIFO False )
-set(RF_BOARD "EXMIMO")
+set(RF_BOARD "OAI_USRP")
 set(NAS 1)
 set(ENABLE_ITTI False)
 set(ENABLE_USE_MME False)

cmake_targets/oaisim_build_oai/CMakeLists.template

@@ -10,7 +10,6 @@ set (  ENABLE_FXP True )
 set (  ENABLE_ITTI True )
 set (  ENABLE_NAS_UE_LOGGING True )
 set (  ENABLE_NEW_MULTICAST True )
-set (  ENABLE_PDCP_NETLINK_FIFO False )
 set (  ENABLE_PGM_TRANSPORT True )
 set (  ENABLE_RAL False )
 set (  ENABLE_SECURITY True )

cmake_targets/oaisim_mme_build_oai/CMakeLists.template

@@ -10,7 +10,6 @@ set (  ENABLE_FXP False )
 set (  ENABLE_ITTI True )
 set (  ENABLE_NAS_UE_LOGGING False )
 set (  ENABLE_NEW_MULTICAST False )
-set (  ENABLE_PDCP_NETLINK_FIFO False )
 set (  ENABLE_PGM_TRANSPORT False )
 set (  ENABLE_RAL False )
 set (  ENABLE_SECURITY False )

cmake_targets/oaisim_noS1_build_oai/CMakeLists.template

@@ -10,7 +10,6 @@ set (  ENABLE_FXP True )
 set (  ENABLE_ITTI True )
 set (  ENABLE_NAS_UE_LOGGING False )
 set (  ENABLE_NEW_MULTICAST True )
-set (  ENABLE_PDCP_NETLINK_FIFO False )
 set (  ENABLE_PGM_TRANSPORT True )
 set (  ENABLE_RAL False )
 set (  ENABLE_SECURITY False )

openair1/PHY/INIT/lte_parms.c

@@ -33,6 +33,8 @@ int init_frame_parms(LTE_DL_FRAME_PARMS *frame_parms,uint8_t osf)
 
   uint8_t log2_osf;
 
+  LOG_I(PHY,"Initializing frame parms for N_RB_DL %d, Ncp %d, osf %d\n",frame_parms->N_RB_DL,frame_parms->Ncp,osf);
+
   if (frame_parms->Ncp==1) {
     frame_parms->nb_prefix_samples0=512;
     frame_parms->nb_prefix_samples = 512;

openair1/PHY/LTE_ESTIMATION/defs.h

@@ -156,11 +156,13 @@ We estimate the frequency offset by calculating the phase difference between cha
 \param frame_parms pointer to LTE frame parameters
 \param l symbol within slot
 \param freq_offset pointer to the returned frequency offset
+\param reset When non-zer it resets the filter to the initial value (set whenever tuning has been changed or for a one-shot estimate)
  */
 int lte_est_freq_offset(int **dl_ch_estimates,
                         LTE_DL_FRAME_PARMS *frame_parms,
                         int l,
-                        int* freq_offset);
+                        int* freq_offset,
+			int reset);
 
 int lte_mbsfn_est_freq_offset(int **dl_ch_estimates,
                               LTE_DL_FRAME_PARMS *frame_parms,

openair1/PHY/LTE_ESTIMATION/lte_est_freq_offset.c

@@ -60,6 +60,7 @@ int dl_channel_level(int16_t *dl_ch,
 
   }
 
+  DevAssert( frame_parms->N_RB_DL );
   avg = (((int*)&avg128F)[0] +
          ((int*)&avg128F)[1] +
          ((int*)&avg128F)[2] +
@@ -76,7 +77,8 @@ int dl_channel_level(int16_t *dl_ch,
 int lte_est_freq_offset(int **dl_ch_estimates,
                         LTE_DL_FRAME_PARMS *frame_parms,
                         int l,
-                        int* freq_offset)
+                        int* freq_offset,
+			int reset)
 {
 
   int ch_offset, omega, dl_ch_shift;
@@ -89,6 +91,9 @@ int lte_est_freq_offset(int **dl_ch_estimates,
   int coef = 1<<10;
   int ncoef =  32767 - coef;
 
+  // initialize the averaging filter to initial value
+  if (reset!=0)
+    first_run=1;
 
   ch_offset = (l*(frame_parms->ofdm_symbol_size));
 
@@ -134,13 +139,13 @@ int lte_est_freq_offset(int **dl_ch_estimates,
     omega_cpx->i += ((struct complex16*) &omega)->i;
     //    phase_offset += atan2((double)omega_cpx->i,(double)omega_cpx->r);
     phase_offset += atan2((double)omega_cpx->i,(double)omega_cpx->r);
-    //    LOG_D(PHY,"omega (%d,%d) -> %f\n",omega_cpx->r,omega_cpx->i,phase_offset);
+    //    LOG_I(PHY,"omega (%d,%d) -> %f\n",omega_cpx->r,omega_cpx->i,phase_offset);
   }
 
   //  phase_offset /= (frame_parms->nb_antennas_rx*frame_parms->nb_antennas_tx);
 
   freq_offset_est = (int) (phase_offset/(2*M_PI)/(frame_parms->Ncp==NORMAL ? (285.8e-6):(2.5e-4))); //2.5e-4 is the time between pilot symbols
-  //  LOG_D(PHY,"symbol %d : freq_offset_est %d\n",l,freq_offset_est);
+  //  LOG_I(PHY,"symbol %d : freq_offset_est %d\n",l,freq_offset_est);
 
   // update freq_offset with phase_offset using a moving average filter
   if (first_run == 1) {

openair1/PHY/LTE_ESTIMATION/lte_sync_time.c

@@ -504,12 +504,12 @@ int lte_sync_time(int **rxdata, ///rx data in time domain
 
 #ifdef USER_MODE
 
-  if (debug_cnt == 5) {
+  if (debug_cnt == 0) {
     write_output("sync_corr0_ue.m","synccorr0",sync_corr_ue0,2*length,1,2);
     write_output("sync_corr1_ue.m","synccorr1",sync_corr_ue1,2*length,1,2);
     write_output("sync_corr2_ue.m","synccorr2",sync_corr_ue2,2*length,1,2);
     write_output("rxdata0.m","rxd0",rxdata[0],length<<1,1,1);
-    exit(-1);
+    //    exit(-1);
   } else {
     debug_cnt++;
   }

openair1/PHY/LTE_TRANSPORT/dci.c

@@ -675,6 +675,7 @@ void pdcch_channel_level(int32_t **dl_ch_estimates_ext,
         */
       }
 
+      DevAssert( nb_rb );
       avg[(aatx<<1)+aarx] = (((int32_t*)&avg128P)[0] +
                              ((int32_t*)&avg128P)[1] +
                              ((int32_t*)&avg128P)[2] +
@@ -2542,6 +2543,7 @@ void dci_decoding_procedure0(LTE_UE_PDCCH **lte_ue_pdcch_vars,int do_common,uint
     else {
       LOG_E(PHY,"Illegal CCEind %d (Yk %d, m %d, nCCE %d, L2 %d\n",CCEind,Yk,m,nCCE,L2);
       mac_xface->macphy_exit("Illegal CCEind\n");
+      return; // not reached
     }
 
     switch (L2) {
@@ -2560,6 +2562,11 @@ void dci_decoding_procedure0(LTE_UE_PDCCH **lte_ue_pdcch_vars,int do_common,uint
     case 8:
       CCEmap_mask = (0xff<<(CCEind&0x1f));
       break;
+
+    default:
+      LOG_E( PHY, "Illegal L2 value %d\n", L2 );
+      mac_xface->macphy_exit( "Illegal L2\n" );
+      return; // not reached
     }
 
     CCEmap_cand = (*CCEmap)&CCEmap_mask;

openair1/PHY/LTE_TRANSPORT/dlsch_demodulation.c

@@ -248,8 +248,8 @@ int rx_pdsch(PHY_VARS_UE *phy_vars_ue,
 
   //  printf("nb_rb = %d, eNB_id %d\n",nb_rb,eNB_id);
   if (nb_rb==0) {
-    LOG_W(PHY,"dlsch_demodulation.c: nb_rb=0\n");
-    return(-1);
+    //LOG_W(PHY,"dlsch_demodulation.c: nb_rb=0\n");
+    return(0);
   }
 
   /*

openair1/PHY/LTE_TRANSPORT/initial_sync.c

@@ -48,14 +48,18 @@
 #include "gain_control.h"
 #endif
 
-#define DEBUG_INITIAL_SYNCH
+#if defined(OAI_USRP) || defined(EXMIMO)
+#include "common_lib.h"
+extern openair0_config_t openair0_cfg[];
+#endif
+//#define DEBUG_INITIAL_SYNCH
 
 int pbch_detection(PHY_VARS_UE *phy_vars_ue, runmode_t mode) 
 {
 
-  uint8_t l,pbch_decoded,frame_mod4,pbch_tx_ant,dummy;
-  LTE_DL_FRAME_PARMS *frame_parms=&phy_vars_ue->lte_frame_parms;
-  char phich_resource[6];
+uint8_t l,pbch_decoded,frame_mod4,pbch_tx_ant,dummy;
+LTE_DL_FRAME_PARMS *frame_parms=&phy_vars_ue->lte_frame_parms;
+char phich_resource[6];
 
 #ifdef DEBUG_INITIAL_SYNCH
   LOG_I(PHY,"[UE%d] Initial sync: starting PBCH detection (rx_offset %d)\n",phy_vars_ue->Mod_id,
@@ -66,24 +70,45 @@ int pbch_detection(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
 
     slot_fep(phy_vars_ue,
 	     l,
-             1,
+	     0,
 	     phy_vars_ue->rx_offset,
-             0);
+	     0,
+	     1);
   }  
+  for (l=0; l<frame_parms->symbols_per_tti/2; l++) {
 
+    slot_fep(phy_vars_ue,
+	     l,
+	     1,
+	     phy_vars_ue->rx_offset,
+	     0,
+	     1);
+  }  
   slot_fep(phy_vars_ue,
 	   0,
 	   2,
 	   phy_vars_ue->rx_offset,
-           0);
+	   0,
+	   1);
 
   lte_ue_measurements(phy_vars_ue,
 		      phy_vars_ue->rx_offset,
 		      0,
 		      0);
   
+  
+  if (phy_vars_ue->lte_frame_parms.frame_type == TDD) {
+    ue_rrc_measurements(phy_vars_ue,
+			1,
+			0);
+  }
+  else {
+    ue_rrc_measurements(phy_vars_ue,
+			0,
+			0);
+  }
 #ifdef DEBUG_INITIAL_SYNCH
-  LOG_I(PHY,"[UE %d][initial sync] RX RSSI %d dBm, digital (%d, %d) dB, linear (%d, %d), avg rx power %d dB (%d lin), RX gain %d dB\n",
+  LOG_I(PHY,"[UE %d] RX RSSI %d dBm, digital (%d, %d) dB, linear (%d, %d), avg rx power %d dB (%d lin), RX gain %d dB\n",
         phy_vars_ue->Mod_id,
         phy_vars_ue->PHY_measurements.rx_rssi_dBm[0] - ((phy_vars_ue->lte_frame_parms.nb_antennas_rx==2) ? 3 : 0),
         phy_vars_ue->PHY_measurements.rx_power_dB[0][0],
@@ -94,7 +119,7 @@ int pbch_detection(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
         phy_vars_ue->PHY_measurements.rx_power_avg[0],
         phy_vars_ue->rx_total_gain_dB);
 
-  LOG_I(PHY,"[UE %d][initial sync] N0 %d dBm digital (%d, %d) dB, linear (%d, %d), avg noise power %d dB (%d lin)\n",
+  LOG_I(PHY,"[UE %d] N0 %d dBm digital (%d, %d) dB, linear (%d, %d), avg noise power %d dB (%d lin)\n",
         phy_vars_ue->Mod_id,
         phy_vars_ue->PHY_measurements.n0_power_tot_dBm,
         phy_vars_ue->PHY_measurements.n0_power_dB[0],
@@ -242,6 +267,10 @@ int pbch_detection(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
 
 }
 
+char phich_string[13][4] = {"","1/6","","1/2","","","one","","","","","","two"};
+char duplex_string[2][4] = {"FDD","TDD"};
+char prefix_string[2][9] = {"NORMAL","EXTENDED"};
+
 int initial_sync(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
 {
 
@@ -251,16 +280,26 @@ int initial_sync(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
   uint8_t flip_fdd_ncp,flip_fdd_ecp,flip_tdd_ncp,flip_tdd_ecp;
   //  uint16_t Nid_cell_fdd_ncp=0,Nid_cell_fdd_ecp=0,Nid_cell_tdd_ncp=0,Nid_cell_tdd_ecp=0;
   LTE_DL_FRAME_PARMS *frame_parms = &phy_vars_ue->lte_frame_parms;
-  //  uint8_t i;
+  int i;
   int ret=-1;
   int aarx,rx_power=0;
-
+#ifdef OAI_USRP
+  __m128i *rxdata128;
+#endif
   //  LOG_I(PHY,"**************************************************************\n");
   // First try FDD normal prefix
   frame_parms->Ncp=NORMAL;
   frame_parms->frame_type=FDD;
   init_frame_parms(frame_parms,1);
 
+#ifdef OAI_USRP
+  for (aarx = 0; aarx<frame_parms->nb_antennas_rx;aarx++) {
+    rxdata128 = (__m128i*)phy_vars_ue->lte_ue_common_vars.rxdata[aarx];
+    for (i=0; i<(frame_parms->samples_per_tti*10)>>2; i++) {
+      rxdata128[i] = _mm_srai_epi16(rxdata128[i],4);
+    } 
+  }
+#endif
   sync_pos = lte_sync_time(phy_vars_ue->lte_ue_common_vars.rxdata,
                            frame_parms,
                            (int *)&phy_vars_ue->lte_ue_common_vars.eNb_id);
@@ -480,10 +519,12 @@ int initial_sync(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
   if (ret==0) {  // PBCH found so indicate sync to higher layers and configure frame parameters
 
 #ifdef DEBUG_INITIAL_SYNCH
-    LOG_I(PHY,"[PHY][UE%d] In synch, rx_offset %d samples\n",phy_vars_ue->Mod_id, phy_vars_ue->rx_offset);
+    LOG_I(PHY,"[UE%d] In synch, rx_offset %d samples\n",phy_vars_ue->Mod_id, phy_vars_ue->rx_offset);
 #endif
+
+    if (phy_vars_ue->UE_scan_carrier == 0) {
 #ifdef OPENAIR2
-    LOG_I(PHY,"[PHY][UE%d] Sending synch status to higher layers\n",phy_vars_ue->Mod_id);
+      LOG_I(PHY,"[UE%d] Sending synch status to higher layers\n",phy_vars_ue->Mod_id);
       //mac_resynch();
       mac_xface->dl_phy_sync_success(phy_vars_ue->Mod_id,phy_vars_ue->frame_rx,0,1);//phy_vars_ue->lte_ue_common_vars.eNb_id);
 #endif //OPENAIR2
@@ -499,7 +540,35 @@ int initial_sync(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
       //phy_vars_ue->lte_ue_pbch_vars[0]->pdu_errors=0;
       phy_vars_ue->lte_ue_pbch_vars[0]->pdu_errors_conseq=0;
     //phy_vars_ue->lte_ue_pbch_vars[0]->pdu_errors_last=0;
+    }
 
+    LOG_I(PHY,"[UE %d] Frame %d RRC Measurements => rssi %3.1f dBm (dig %3.1f dB, gain %d), N0 %d dBm,  rsrp %3.1f dBm/RE, rsrq %3.1f dB\n",phy_vars_ue->Mod_id,
+	  phy_vars_ue->frame_rx,
+	  10*log10(phy_vars_ue->PHY_measurements.rssi)-phy_vars_ue->rx_total_gain_dB,
+	  10*log10(phy_vars_ue->PHY_measurements.rssi),
+	  phy_vars_ue->rx_total_gain_dB,
+	  phy_vars_ue->PHY_measurements.n0_power_tot_dBm,
+	  10*log10(phy_vars_ue->PHY_measurements.rsrp[0])-phy_vars_ue->rx_total_gain_dB,
+	  (10*log10(phy_vars_ue->PHY_measurements.rsrq[0])));
+    
+    
+    LOG_I(PHY,"[UE %d] Frame %d MIB Information => %s, %s, NidCell %d, N_RB_DL %d, PHICH DURATION %d, PHICH RESOURCE %s, TX_ANT %d\n",
+	  phy_vars_ue->Mod_id,
+	  phy_vars_ue->frame_rx,
+	  duplex_string[phy_vars_ue->lte_frame_parms.frame_type],
+	  prefix_string[phy_vars_ue->lte_frame_parms.Ncp],
+	  phy_vars_ue->lte_frame_parms.Nid_cell,
+	  phy_vars_ue->lte_frame_parms.N_RB_DL,
+	  phy_vars_ue->lte_frame_parms.phich_config_common.phich_duration,
+	  phich_string[phy_vars_ue->lte_frame_parms.phich_config_common.phich_resource],
+	  phy_vars_ue->lte_frame_parms.nb_antennas_tx_eNB);
+#if defined(OAI_USRP) || defined(EXMIMO)
+    LOG_I(PHY,"[UE %d] Frame %d Measured Carrier Frequency %.0f Hz (offset %d Hz)\n",
+	  phy_vars_ue->Mod_id,
+	  phy_vars_ue->frame_rx,
+	  openair0_cfg[0].rx_freq[0]-phy_vars_ue->lte_ue_common_vars.freq_offset,
+	  phy_vars_ue->lte_ue_common_vars.freq_offset);
+#endif
   } else {
 #ifdef DEBUG_INITIAL_SYNC
     LOG_I(PHY,"[UE%d] Initial sync : PBCH not ok\n",phy_vars_ue->Mod_id);
@@ -523,3 +592,4 @@ int initial_sync(PHY_VARS_UE *phy_vars_ue, runmode_t mode)
 
   return ret;
 }
+

openair1/PHY/LTE_TRANSPORT/print_stats.c

@@ -67,8 +67,15 @@ int dump_ue_stats(PHY_VARS_UE *phy_vars_ue, char* buffer, int length, runmode_t
 
   if ((mode == normal_txrx) || (mode == no_L2_connect)) {
     len += sprintf(&buffer[len], "[UE_PROC] UE %d, RNTI %x\n",phy_vars_ue->Mod_id, phy_vars_ue->lte_ue_pdcch_vars[0]->crnti);
+     len += sprintf(&buffer[len],"[UE PROC] RSRP[0] %.2f dBm/RE, RSSI %.2f dBm, RSRQ[0] %.2f dB, N0 %d dBm/RE\n",
+		    10*log10(phy_vars_ue->PHY_measurements.rsrp[0])-phy_vars_ue->rx_total_gain_dB,
+		    10*log10(phy_vars_ue->PHY_measurements.rssi)-phy_vars_ue->rx_total_gain_dB, 
+		    10*log10(phy_vars_ue->PHY_measurements.rsrq[0]),
+		    phy_vars_ue->PHY_measurements.n0_power_tot_dBm);
+
+    /*
     len += sprintf(&buffer[len],
-                   "[UE PROC] Frame count: %d\neNB0 RSSI %d dBm/RE (%d dB, %d dB)\neNB1 RSSI %d dBm/RE (%d dB, %d dB)\neNB2 RSSI %d dBm/RE (%d dB, %d dB)\nN0 %d dBm/RE, %f dBm/%dPRB (%d dB, %d dB)\n",
+                   "[UE PROC] Frame count: %d\neNB0 RSSI %d dBm/RE (%d dB, %d dB)\neNB1 RSSI %d dBm/RE (%d dB, %d dB)neNB2 RSSI %d dBm/RE (%d dB, %d dB)\nN0 %d dBm/RE, %f dBm/%dPRB (%d dB, %d dB)\n",
                    phy_vars_ue->frame_rx,
                    phy_vars_ue->PHY_measurements.rx_rssi_dBm[0],
                    phy_vars_ue->PHY_measurements.rx_power_dB[0][0],
@@ -84,14 +91,17 @@ int dump_ue_stats(PHY_VARS_UE *phy_vars_ue, char* buffer, int length, runmode_t
                    phy_vars_ue->lte_frame_parms.N_RB_DL,
                    phy_vars_ue->PHY_measurements.n0_power_dB[0],
                    phy_vars_ue->PHY_measurements.n0_power_dB[1]);
+    */
+
 #ifdef EXMIMO
     len += sprintf(&buffer[len], "[UE PROC] RX Gain %d dB (LNA %d, vga %d dB)\n",phy_vars_ue->rx_total_gain_dB, openair0_cfg[0].rxg_mode[0],(int)openair0_cfg[0].rx_gain[0]);
 #endif
 #ifdef OAI_USRP
     len += sprintf(&buffer[len], "[UE PROC] RX Gain %d dB\n",phy_vars_ue->rx_total_gain_dB);
 #endif
-
-    len += sprintf(&buffer[len], "[UE_PROC] Frequency offset %d Hz (%d)\n",phy_vars_ue->lte_ue_common_vars.freq_offset,openair_daq_vars.freq_offset);
+#if defined(EXMIMO) || defined(OAI_USRP)
+    len += sprintf(&buffer[len], "[UE_PROC] Frequency offset %d Hz (%d), estimated carrier frequency %f Hz\n",phy_vars_ue->lte_ue_common_vars.freq_offset,openair_daq_vars.freq_offset,openair0_cfg[0].rx_freq[0]-phy_vars_ue->lte_ue_common_vars.freq_offset);
+#endif
     len += sprintf(&buffer[len], "[UE PROC] UE mode = %s (%d)\n",mode_string[phy_vars_ue->UE_mode[0]],phy_vars_ue->UE_mode[0]);
     len += sprintf(&buffer[len], "[UE PROC] timing_advance = %d\n",phy_vars_ue->timing_advance);
     len += sprintf(&buffer[len], "[UE PROC] UE tx power = %d\n", PHY_vars_UE_g[0][0]->tx_power_dBm);
@@ -455,9 +465,7 @@ int dump_ue_stats(PHY_VARS_UE *phy_vars_ue, char* buffer, int length, runmode_t
       RRC_status = mac_UE_get_rrc_status(phy_vars_ue->Mod_id, 0);
       len += sprintf(&buffer[len],"[UE PROC] RRC status = %d\n",RRC_status);
 #endif
-      len += sprintf(&buffer[len],"[UE PROC] RSRP[0] %.2f dBm/RE, RSSI %.2f, RSRQ[0] %.2f\n",
-                     10*log10(phy_vars_ue->PHY_measurements.rsrp[0])-phy_vars_ue->rx_total_gain_dB,
-                     10*log10(phy_vars_ue->PHY_measurements.rssi)-phy_vars_ue->rx_total_gain_dB, 10*log10(phy_vars_ue->PHY_measurements.rsrq[0]));
+
  
       len += sprintf(&buffer[len], "[UE PROC] Transmission Mode %d (mode1_flag %d)\n",phy_vars_ue->transmission_mode[eNB],phy_vars_ue->lte_frame_parms.mode1_flag);
       len += sprintf(&buffer[len], "[UE PROC] PBCH err conseq %d, PBCH error total %d, PBCH FER %d\n",

openair1/PHY/LTE_TRANSPORT/sss.c

@@ -248,13 +248,15 @@ int rx_sss(PHY_VARS_UE *phy_vars_ue,int32_t *tot_metric,uint8_t *flip_max,uint8_
              (frame_parms->symbols_per_tti/2)-2, // second to last symbol of
              0,                                  // slot 0
              phy_vars_ue->rx_offset,
-             0);
+             0,
+	     1);
     // PSS
     slot_fep(phy_vars_ue,
              (frame_parms->symbols_per_tti/2)-1, // last symbol of
              0,                                  // slot 0
              phy_vars_ue->rx_offset,
-             0);
+             0,
+	     1);
   } else { // TDD
 #ifdef DEBUG_SSS
     if (phy_vars_ue->lte_frame_parms.Ncp == NORMAL)
@@ -268,13 +270,15 @@ int rx_sss(PHY_VARS_UE *phy_vars_ue,int32_t *tot_metric,uint8_t *flip_max,uint8_
              (frame_parms->symbols_per_tti>>1)-1,  // last symbol of
              1,                                    // slot 1
              phy_vars_ue->rx_offset,
-             0);
+             0,
+	     1);
     // PSS
     slot_fep(phy_vars_ue,
              2,                                   // symbol 2 of
              2,                                   // slot 2
              phy_vars_ue->rx_offset,
-             0);
+             0,
+	     1);
   }
 
   pss_sss_extract(phy_vars_ue,
@@ -303,26 +307,28 @@ int rx_sss(PHY_VARS_UE *phy_vars_ue,int32_t *tot_metric,uint8_t *flip_max,uint8_
              (frame_parms->symbols_per_tti/2)-2,
              10,
              phy_vars_ue->rx_offset,
-             0);
+             0,1);
     // PSS
     slot_fep(phy_vars_ue,
              (frame_parms->symbols_per_tti/2)-1,
              10,
              phy_vars_ue->rx_offset,
-             0);
+             0,1);
   } else { // TDD
     // SSS
     slot_fep(phy_vars_ue,
              (frame_parms->symbols_per_tti>>1)-1,
              11,
              phy_vars_ue->rx_offset,
-             0);
+             0,
+	     1);
     // PSS
     slot_fep(phy_vars_ue,
              2,
              12,
              phy_vars_ue->rx_offset,
-             0);
+             0,
+	     1);
   }
 
   pss_sss_extract(phy_vars_ue,

openair1/PHY/LTE_TRANSPORT/ulsch_demodulation.c

@@ -363,6 +363,10 @@ void lte_idft(LTE_DL_FRAME_PARMS *frame_parms,uint32_t *z, uint16_t Msc_PUSCH)
     dft1200(idft_in2,idft_out2,1);
     break;
 
+  default:
+    // should not be reached
+    LOG_E( PHY, "Unsupported Msc_PUSCH value of %"PRIu16"\n", Msc_PUSCH );
+    return;
   }
 
 
@@ -1267,6 +1271,7 @@ void ulsch_channel_level(int32_t **drs_ch_estimates_ext,
 
     }
 
+    DevAssert( nb_rb );
     avg[aarx] = (((int*)&avg128U)[0] +
                  ((int*)&avg128U)[1] +
                  ((int*)&avg128U)[2] +

openair1/PHY/MODULATION/defs.h

@@ -62,13 +62,15 @@ void PHY_ofdm_mod(int *input,
 \param Ns Slot number (0..19)
 \param sample_offset offset within rxdata (points to beginning of subframe)
 \param no_prefix if 1 prefix is removed by HW
+\param reset_freq_est if non-zero it resets the frequency offset estimation loop
 */
 
 int slot_fep(PHY_VARS_UE *phy_vars_ue,
              unsigned char l,
              unsigned char Ns,
              int sample_offset,
-             int no_prefix);
+             int no_prefix,
+	     int reset_freq_est);
 
 int slot_fep_mbsfn(PHY_VARS_UE *phy_vars_ue,
                    unsigned char l,

openair1/PHY/MODULATION/slot_fep.c

@@ -48,7 +48,8 @@ int slot_fep(PHY_VARS_UE *phy_vars_ue,
              unsigned char l,
              unsigned char Ns,
              int sample_offset,
-             int no_prefix)
+             int no_prefix,
+	     int reset_freq_est)
 {
 
   LTE_DL_FRAME_PARMS *frame_parms = &phy_vars_ue->lte_frame_parms;
@@ -236,7 +237,8 @@ int slot_fep(PHY_VARS_UE *phy_vars_ue,
         lte_est_freq_offset(ue_common_vars->dl_ch_estimates[0],
                             frame_parms,
                             l,
-                            &ue_common_vars->freq_offset);
+                            &ue_common_vars->freq_offset,
+			    reset_freq_est);
         stop_meas(&phy_vars_ue->dlsch_freq_offset_estimation_stats);
 
       }

openair1/PHY/TOOLS/lte_phy_scope.c

@@ -697,8 +697,8 @@ void phy_scope_UE(FD_lte_phy_scope_ue *form,
   }
 
   // PDSCH Throughput
-  memcpy((void*)tput_time_ue[UE_id],(void*)&tput_time_ue[UE_id][1],(TPUT_WINDOW_LENGTH-1)*sizeof(float));
-  memcpy((void*)tput_ue[UE_id],(void*)&tput_ue[UE_id][1],(TPUT_WINDOW_LENGTH-1)*sizeof(float));
+  memmove( tput_time_ue[UE_id], &tput_time_ue[UE_id][1], (TPUT_WINDOW_LENGTH-1)*sizeof(float) );
+  memmove( tput_ue[UE_id],      &tput_ue[UE_id][1],      (TPUT_WINDOW_LENGTH-1)*sizeof(float) );
 
   tput_time_ue[UE_id][TPUT_WINDOW_LENGTH-1]  = (float) frame;
   tput_ue[UE_id][TPUT_WINDOW_LENGTH-1] = ((float) total_dlsch_bitrate)/1000.0;

openair1/PHY/defs.h

@@ -415,6 +415,8 @@ typedef struct {
   runmode_t mode;
   /// \brief Indicator that UE should perform band scanning
   int UE_scan;
+  /// \brief Indicator that UE should perform coarse scanning around carrier
+  int UE_scan_carrier;
   /// \brief Indicator that UE is synchronized to an eNB
   int is_synchronized;
   /// \brief Instance count of TX processing thread (-1 means ready, 0 means busy)

openair1/SCHED/phy_procedures_lte_ue.c

@@ -1456,28 +1456,8 @@ void lte_ue_measurement_procedures(uint16_t l, PHY_VARS_UE *phy_vars_ue,uint8_t
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_MEASUREMENT_PROCEDURES, VCD_FUNCTION_IN);
 
-#ifdef EMOS
-  /*
-  uint8_t aa;
-
-  // first slot in frame is special
-  if (((slot_rx==0) || (slot_rx==1) || (slot_rx==12) || (slot_rx==13)) &&
-      ((l==0) || (l==4-frame_parms->Ncp))) {
-    for (eNB_id=0; eNB_id<3; eNB_id++)
-      for (aa=0;aa<frame_parms->nb_antennas_tx_eNB;aa++)
-  lte_dl_channel_estimation_emos(emos_dump_UE.channel[eNB_id],
-               phy_vars_ue->lte_ue_common_vars->rxdataF,
-               &phy_vars_ue->lte_frame_parms,
-               slot_rx,
-               aa,
-               l,
-               eNB_id);
-  }
-  */
-#endif
-
   if (l==0) {
-    // UE measurements
+    // UE measurements on symbol 0
     if (abstraction_flag==0) {
       LOG_D(PHY,"Calling measurements subframe %d, rxdata %p\n",subframe_rx,phy_vars_ue->lte_ue_common_vars.rxdata);
 
@@ -1491,47 +1471,11 @@ void lte_ue_measurement_procedures(uint16_t l, PHY_VARS_UE *phy_vars_ue,uint8_t
                           0,
                           1);
     }
+  }
 
-#ifdef DEBUG_PHY_PROC
-
-    if (slot_rx == 2) { // && (phy_vars_ue->frame%100==0)) {
+  if (l==(6-phy_vars_ue->lte_frame_parms.Ncp)) {
 	
-      LOG_D(PHY,"[UE  %d] frame %d, slot %d, freq_offset_filt = %d \n",Mod_id,phy_vars_ue->frame_tx, slot_rx, phy_vars_ue->lte_ue_common_vars.freq_offset);
-      /*
-      LOG_I(PHY,"[UE  %d] frame %d, slot %d, RX RSSI (%d,%d,%d) dBm, digital (%d,%d)(%d,%d)(%d,%d) dB, linear (%d,%d), avg rx power %d dB (%d lin), N0 %d dB (%d lin), RX gain %d dB\n",
-      Mod_id,phy_vars_ue->frame, slot_rx,
-      phy_vars_ue->PHY_measurements.rx_rssi_dBm[0],
-      phy_vars_ue->PHY_measurements.rx_rssi_dBm[1],
-      phy_vars_ue->PHY_measurements.rx_rssi_dBm[2],
-      phy_vars_ue->PHY_measurements.rx_power_dB[0][0],
-      phy_vars_ue->PHY_measurements.rx_power_dB[0][1],
-      phy_vars_ue->PHY_measurements.rx_power_dB[1][0],
-      phy_vars_ue->PHY_measurements.rx_power_dB[1][1],
-      phy_vars_ue->PHY_measurements.rx_power_dB[2][0],
-      phy_vars_ue->PHY_measurements.rx_power_dB[2][1],
-      phy_vars_ue->PHY_measurements.rx_power[0][0],
-      phy_vars_ue->PHY_measurements.rx_power[0][1],
-      phy_vars_ue->PHY_measurements.rx_power_avg_dB[0],
-      phy_vars_ue->PHY_measurements.rx_power_avg[0],
-      phy_vars_ue->PHY_measurements.n0_power_avg_dB,
-      phy_vars_ue->PHY_measurements.n0_power_avg,
-      phy_vars_ue->rx_total_gain_dB);
-
-      LOG_I(PHY,"[UE  %d] frame %d, slot %d, N0 %d dBm digital (%d, %d) dB, linear (%d, %d), avg noise power %d dB (%d lin)\n",
-      Mod_id,phy_vars_ue->frame, slot_rx,
-      phy_vars_ue->PHY_measurements.n0_power_tot_dBm,
-      phy_vars_ue->PHY_measurements.n0_power_dB[0],
-      phy_vars_ue->PHY_measurements.n0_power_dB[1],
-      phy_vars_ue->PHY_measurements.n0_power[0],
-      phy_vars_ue->PHY_measurements.n0_power[1],
-      phy_vars_ue->PHY_measurements.n0_power_avg_dB,
-      phy_vars_ue->PHY_measurements.n0_power_avg); */
-    }
-
-#endif
-  }
-
-  if (l==(4-frame_parms->Ncp)) {
+   // make sure we have signal from PSS/SSS for N0 measurement
 
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_RRC_MEASUREMENTS, VCD_FUNCTION_IN);
     ue_rrc_measurements(phy_vars_ue,
@@ -1882,7 +1826,7 @@ void lte_ue_pbch_procedures(uint8_t eNB_id,PHY_VARS_UE *phy_vars_ue,uint8_t abst
           phy_vars_ue->lte_frame_parms.N_RB_DL,
           phy_vars_ue->lte_frame_parms.phich_config_common.phich_duration,
           phy_vars_ue->lte_frame_parms.phich_config_common.phich_resource);
-
+    /*
     if (frame_rx%100 == 0) {
       LOG_I(PHY,"[UE %d] frame %d, slot %d, PBCH: mode1_flag %d, tx_ant %d, frame_tx %d, phase %d. N_RB_DL %d, phich_duration %d, phich_resource %d/6,Frequency offset %d Hz (%d)\n",
             phy_vars_ue->Mod_id,
@@ -1897,8 +1841,9 @@ void lte_ue_pbch_procedures(uint8_t eNB_id,PHY_VARS_UE *phy_vars_ue,uint8_t abst
             phy_vars_ue->lte_frame_parms.phich_config_common.phich_resource,
             phy_vars_ue->lte_ue_common_vars.freq_offset,openair_daq_vars.freq_offset);
       //dump_frame_parms(&phy_vars_ue->lte_frame_parms);
-    }
 
+    }
+      */
 #endif
 
   } else {
@@ -2485,6 +2430,7 @@ int phy_procedures_UE_RX(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t abstrac
                l,
                slot_rx,
                phy_vars_ue->rx_offset,
+               0,
 	       0);
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_SLOT_FEP, VCD_FUNCTION_OUT);
       stop_meas(&phy_vars_ue->ofdm_demod_stats);
@@ -3240,10 +3186,11 @@ int phy_procedures_UE_RX(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t abstrac
     LOG_D(PHY,"[UE %d] Calculating bitrate Frame %d: total_TBS = %d, total_TBS_last = %d, bitrate %f kbits\n",
           phy_vars_ue->Mod_id,frame_rx,phy_vars_ue->total_TBS[eNB_id],
           phy_vars_ue->total_TBS_last[eNB_id],(float) phy_vars_ue->bitrate[eNB_id]/1000.0);
-
+    /*
     if ((frame_rx % 100 == 0)) {
       LOG_I(PHY,"Throughput %5.1f kbps\n",(float) phy_vars_ue->bitrate[eNB_id]/1000.0);
     }
+    */
   }
 
   if (is_pmch_subframe((subframe_rx==9?-1:0)+frame_rx,subframe_rx,&phy_vars_ue->lte_frame_parms)) {

openair2/LAYER2/MAC/ra_procedures.c

@@ -146,7 +146,6 @@ void get_prach_resources(module_id_t module_idP,
 
   if (!rach_ConfigCommon->preambleInfo.preamblesGroupAConfig) {
     noGroupB = 1;
-
   } else {
     if (rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->sizeOfRA_PreamblesGroupA ==
         rach_ConfigCommon->preambleInfo.numberOfRA_Preambles) {
@@ -186,6 +185,7 @@ void get_prach_resources(module_id_t module_idP,
 
       UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex = 0;
     } else {
+      // FIXME rach_ConfigCommon->preambleInfo.preamblesGroupAConfig may be zero
       UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex  =
         rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->sizeOfRA_PreamblesGroupA +
         (taus())%(rach_ConfigCommon->preambleInfo.numberOfRA_Preambles -

openair2/RRC/LITE/defs.h

@@ -195,10 +195,10 @@ typedef struct UE_RRC_INFO_s {
 #ifdef Rel10
   uint8_t MCCHStatus[8]; // MAX_MBSFN_AREA
 #endif
-  uint8_t SIwindowsize;
+  uint8_t SIwindowsize; //!< Corresponds to the SIB1 si-WindowLength parameter. The unit is ms. Possible values are (final): 1,2,5,10,15,20,40
   uint8_t handoverTarget;
   HO_STATE_t ho_state;
-  uint16_t SIperiod;
+  uint16_t SIperiod; //!< Corresponds to the SIB1 si-Periodicity parameter (multiplied by 10). Possible values are (final): 80,160,320,640,1280,2560,5120
   unsigned short UE_index;
   uint32_t T300_active;
   uint32_t T300_cnt;
@@ -460,7 +460,7 @@ typedef struct UE_RRC_INST_s {
   uint8_t SIB1Status[NB_CNX_UE];
   uint8_t SIStatus[NB_CNX_UE];
   SystemInformationBlockType1_t *sib1[NB_CNX_UE];
-  SystemInformation_t *si[NB_CNX_UE][8];
+  SystemInformation_t *si[NB_CNX_UE]; //!< Temporary storage for an SI message. Decoding happens in decode_SI().
   SystemInformationBlockType2_t *sib2[NB_CNX_UE];
   SystemInformationBlockType3_t *sib3[NB_CNX_UE];
   SystemInformationBlockType4_t *sib4[NB_CNX_UE];

openair2/RRC/LITE/proto.h

@@ -77,12 +77,7 @@ rrc_rx_tx(
     \param ctxt_pP Running context
     \param Srb_info Pointer to SRB_INFO structure (SRB0)
     \param eNB_index Index of corresponding eNB/CH*/
-int
-rrc_ue_decode_ccch(
-  const protocol_ctxt_t* const ctxt_pP,
-  const SRB_INFO*        const Srb_info,
-  const uint8_t                eNB_index
-);
+int rrc_ue_decode_ccch( const protocol_ctxt_t* const ctxt_pP, const SRB_INFO* const Srb_info, const uint8_t eNB_index );
 
 /** \brief Decodes a DL-DCCH message and invokes appropriate routine to handle the message
     \param ctxt_pP Running context
@@ -106,17 +101,6 @@ rrc_ue_generate_RRCConnectionRequest(
   const uint8_t                eNB_index
 );
 
-/** \brief Generates/Encodes RRCConnnectionSetupComplete message at UE
-    \param ctxt_pP Running context
-    \param eNB_index Index of corresponding eNB/CH
-    \param Transaction_id Transaction identifier*/
-void
-rrc_ue_generate_RRCConnectionSetupComplete(
-  const protocol_ctxt_t* const ctxt_pP,
-  const uint8_t                eNB_index,
-  const uint8_t                Transaction_id
-);
-
 /** \brief process the received rrcConnectionReconfiguration message at UE
     \param ctxt_pP Running context
     \param *rrcConnectionReconfiguration pointer to the sturcture
@@ -128,17 +112,6 @@ rrc_ue_process_rrcConnectionReconfiguration(
   uint8_t eNB_index
 );
 
-/** \brief Generates/Encodes RRCConnectionReconfigurationComplete  message at UE
-    \param ctxt_pP Running context
-    \param eNB_index Index of corresponding eNB/CH
-    \param Transaction_id RRC transaction identifier */
-void
-rrc_ue_generate_RRCConnectionReconfigurationComplete(
-  const protocol_ctxt_t* const ctxt_pP,
-  const uint8_t                eNB_index,
-  const uint8_t                Transaction_id
-);
-
 /** \brief Establish SRB1 based on configuration in SRB_ToAddMod structure.  Configures RLC/PDCP accordingly
     \param module_idP Instance ID of UE
     \param frame Frame index
@@ -347,41 +320,15 @@ void rrc_lite_in_sync_ind(module_id_t module_idP, frame_t frameP, uint16_t eNB_i
 
 void rrc_lite_out_of_sync_ind(module_id_t module_idP, frame_t frameP, unsigned short eNB_index);
 
-int
-decode_MCCH_Message(
-  const protocol_ctxt_t* const ctxt_pP,
-  const uint8_t                eNB_index,
-  const uint8_t*         const Sdu,
-  const uint8_t                Sdu_len,
-  const uint8_t                mbsfn_sync_area
-);
-
-void decode_MBSFNAreaConfiguration(module_id_t module_idP, uint8_t eNB_index, frame_t frameP,uint8_t mbsfn_sync_area);
+int decode_MCCH_Message( const protocol_ctxt_t* const ctxt_pP, const uint8_t eNB_index, const uint8_t* const Sdu, const uint8_t Sdu_len, const uint8_t mbsfn_sync_area );
 
-int
-decode_BCCH_DLSCH_Message(
+int decode_BCCH_DLSCH_Message(
   const protocol_ctxt_t* const ctxt_pP,
   const uint8_t                eNB_index,
   uint8_t*               const Sdu,
   const uint8_t                Sdu_len,
   const uint8_t                rsrq,
-  const uint8_t                rsrp
-);
-
-int
-decode_SIB1(
-  const protocol_ctxt_t* const ctxt_pP,
-  const uint8_t                eNB_index,
-  const uint8_t                rsrq,
-  const uint8_t                rsrp
-);
-
-int
-decode_SI(
-  const protocol_ctxt_t* const ctxt_pP,
-  const uint8_t                eNB_index,
-  const uint8_t                si_window
-);
+  const uint8_t                rsrp );
 
 void
 ue_meas_filtering(
@@ -426,12 +373,6 @@ rrc_eNB_process_MeasurementReport(
   const MeasResults_t*   const measResults2
 );
 
-void
-rrc_ue_generate_MeasurementReport(
-  const protocol_ctxt_t* const ctxt_pP,
-  uint8_t                      eNB_index
-);
-
 void
 rrc_eNB_generate_HandoverPreparationInformation(
   const protocol_ctxt_t* const ctxt_pP,
@@ -444,15 +385,6 @@ check_handovers(
   protocol_ctxt_t* const ctxt_pP
 );
 
-uint8_t check_trigger_meas_event(
-  uint8_t module_idP,
-  frame_t frameP,
-  uint8_t eNB_index,
-  uint8_t ue_cnx_index,
-  uint8_t meas_index,
-  Q_OffsetRange_t ofn, Q_OffsetRange_t ocn, Hysteresis_t hys,
-  Q_OffsetRange_t ofs, Q_OffsetRange_t ocs, long a3_offset, TimeToTrigger_t ttt);
-
 //void rrc_ue_process_ueCapabilityEnquiry(uint8_t module_idP,uint32_t frame,UECapabilityEnquiry_t *UECapabilityEnquiry,uint8_t eNB_index);
 /*void
 rrc_ue_process_securityModeCommand(

openair2/RRC/LITE/rrc_eNB.c

@@ -378,7 +378,7 @@ init_MCCH(
   int                                 sync_area = 0;
   // initialize RRC_eNB_INST MCCH entry
   eNB_rrc_inst[enb_mod_idP].carrier[CC_id].MCCH_MESSAGE =
-      malloc(eNB_rrc_inst[enb_mod_idP].carrier[CC_id].num_mbsfn_sync_area * sizeof(uint32_t *));
+    malloc(eNB_rrc_inst[enb_mod_idP].carrier[CC_id].num_mbsfn_sync_area * sizeof(uint8_t*));
 
   for (sync_area = 0; sync_area < eNB_rrc_inst[enb_mod_idP].carrier[CC_id].num_mbsfn_sync_area; sync_area++) {
 
@@ -3289,9 +3289,11 @@ openair_rrc_lite_eNB_init(
   //        }
   //    }
   eNB_rrc_inst[ctxt.module_id].Nb_ue = 0;
+
   for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
     eNB_rrc_inst[ctxt.module_id].carrier[CC_id].Srb0.Active = 0;
   }
+
   uid_linear_allocator_init(&eNB_rrc_inst[ctxt.module_id].uid_allocator);
   RB_INIT(&eNB_rrc_inst[ctxt.module_id].rrc_ue_head);
   RB_INIT(&eNB_rrc_inst[ctxt.module_id].rrc_rnti_head);
@@ -3334,6 +3336,7 @@ openair_rrc_lite_eNB_init(
           eNB_rrc_inst[ctxt.module_id].carrier[CC_id].cba_rnti[3],
           eNB_rrc_inst[ctxt.module_id].carrier[CC_id].num_active_cba_groups);
   }
+
 #endif
 
   for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {

openair2/UTIL/LOG/vcd_signal_dumper.c

@@ -94,6 +94,7 @@ const char* eurecomVariablesNames[] = {
   "rxcnt",
   "trx_ts",
   "trx_tst",
+  "dummy_dump",
   "itti_send_msg",
   "itti_poll_msg",
   "itti_recv_msg",

openair2/UTIL/LOG/vcd_signal_dumper.h

@@ -66,6 +66,7 @@ typedef enum {
   VCD_SIGNAL_DUMPER_VARIABLES_RXCNT,
   VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS,
   VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST,
+  VCD_SIGNAL_DUMPER_VARIABLES_DUMMY_DUMP,
   VCD_SIGNAL_DUMPER_VARIABLE_ITTI_SEND_MSG,
   VCD_SIGNAL_DUMPER_VARIABLE_ITTI_POLL_MSG,
   VCD_SIGNAL_DUMPER_VARIABLE_ITTI_RECV_MSG,

targets/ARCH/COMMON/common_lib.h

@@ -44,7 +44,7 @@ typedef struct openair0_device_t openair0_device;
 #define MAX_CARDS 1
 #endif
 
-#define USRP_GAIN_OFFSET (86.0)  // 86 calibrated for USRP B210 @ 2.6 GHz to get equivalent RS EPRE in OAI to SMBV100 output
+#define USRP_GAIN_OFFSET (56.0)  // 86 calibrated for USRP B210 @ 2.6 GHz to get equivalent RS EPRE in OAI to SMBV100 output
 
 typedef enum {
   max_gain=0,med_gain,byp_gain
@@ -81,6 +81,8 @@ typedef struct {
   double rx_bw;
   //! TX bandwidth in Hz
   double tx_bw;
+  //! Auto calibration flag
+  int autocal[4];
   //! RRH IP addr for Ethernet interface
   char *rrh_ip;
   //! RRH port number for Ethernet interface
@@ -141,13 +143,14 @@ extern "C"
 #endif
 
 /* return 0 if OK, < 0 if error */
-int openair0_device_init(openair0_device* device, openair0_config_t *openair0_cfg);
-openair0_timestamp get_usrp_time(openair0_device *device);
-int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg);
-int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *openair0_cfg);
+  int openair0_device_init(openair0_device* device, openair0_config_t *openair0_cfg);
+  openair0_timestamp get_usrp_time(openair0_device *device);
+  int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg,int exmimo_dump_config);
+  int openair0_set_rx_frequencies(openair0_device* device, openair0_config_t *openair0_cfg);
   
-int openair0_set_gains(openair0_device* device, openair0_config_t *openair0_cfg);
+  int openair0_set_gains(openair0_device* device, openair0_config_t *openair0_cfg);
   
+  int openair0_stop(int card);
 #ifdef __cplusplus
 }
 #endif

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

@@ -250,7 +250,7 @@ int openair0_stop_without_reset(int card)
 int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
 
   // Initialize card
-  exmimo_config_t         *p_exmimo_config;
+  //  exmimo_config_t         *p_exmimo_config;
   exmimo_id_t             *p_exmimo_id;
   int ret;
 
@@ -276,7 +276,7 @@ int openair0_device_init(openair0_device *device, openair0_config_t *openair0_cf
     printf ("Detected %d number of cards, %d number of antennas.\n", openair0_num_detected_cards, openair0_num_antennas[0]);
   }
 
-  p_exmimo_config = openair0_exmimo_pci[0].exmimo_config_ptr;
+  //  p_exmimo_config = openair0_exmimo_pci[0].exmimo_config_ptr;
   p_exmimo_id     = openair0_exmimo_pci[0].exmimo_id_ptr;
 
   printf("Card %d: ExpressMIMO %d, HW Rev %d, SW Rev 0x%d\n", 0, p_exmimo_id->board_exmimoversion, p_exmimo_id->board_hwrev, p_exmimo_id->board_swrev);
@@ -356,14 +356,15 @@ 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]) {
         p_exmimo_config->rf.rf_mode[ant] = RF_MODE_BASE;
-        p_exmimo_config->rf.do_autocal[ant] = 1;
+        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]);
       }
 
       if (openair0_cfg[card].tx_freq[ant]) {
         p_exmimo_config->rf.rf_mode[ant] += (TXEN + DMAMODE_TX + TXLPFNORM + TXLPFEN + tx_filter);
         p_exmimo_config->rf.rf_freq_tx[ant] = (unsigned int)openair0_cfg[card].tx_freq[ant];
         p_exmimo_config->rf.tx_gain[ant][0] = (unsigned int)openair0_cfg[card].tx_gain[ant];
-        printf("openair0 : programming card %d TX antenna %d (freq %u, gain %d)\n",card,ant,p_exmimo_config->rf.rf_freq_tx[ant],p_exmimo_config->rf.tx_gain[ant][0]);
+
       }
 
       if (openair0_cfg[card].rx_freq[ant]) {
@@ -419,11 +420,11 @@ int openair0_config(openair0_config_t *openair0_cfg, int UE_flag)
 
 int openair0_reconfig(openair0_config_t *openair0_cfg)
 {
-  int ret;
+
   int ant, card;
 
   exmimo_config_t         *p_exmimo_config;
-  exmimo_id_t             *p_exmimo_id;
+  //  exmimo_id_t             *p_exmimo_id;
 
   if (!openair0_cfg) {
     printf("Error, openair0_cfg is null!!\n");
@@ -433,7 +434,7 @@ int openair0_reconfig(openair0_config_t *openair0_cfg)
   for (card=0; card<openair0_num_detected_cards; card++) {
 
     p_exmimo_config = openair0_exmimo_pci[card].exmimo_config_ptr;
-    p_exmimo_id     = openair0_exmimo_pci[card].exmimo_id_ptr;
+    //    p_exmimo_id     = openair0_exmimo_pci[card].exmimo_id_ptr;
 
     for (ant=0; ant<4; ant++) {
       if (openair0_cfg[card].tx_freq[ant]) {
@@ -468,6 +469,18 @@ int openair0_reconfig(openair0_config_t *openair0_cfg)
   return(0);
 }
 
+int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg,int exmimo_dump_config) {
+
+  if (exmimo_dump_config > 0) {
+    // do a full configuration
+    openair0_config(openair0_cfg,0);
+  }
+  else {  // just change the frequencies in pci descriptor
+    openair0_reconfig(openair0_cfg);
+  }
+  return(0);
+  
+}
 
 unsigned int *openair0_daq_cnt(void) {
 

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

@@ -95,4 +95,7 @@ int openair0_stop_without_reset(int card);
 // return the DAQ block counter
 unsigned int *openair0_daq_cnt(void);
 
+// set the TX and RX frequencies (card 0 only for now, to retain USRP compatibility)
+int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg,int exmimo_dump_config);
+
 #endif

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

@@ -195,7 +195,7 @@ static bool is_equal(double a, double b)
   return std::fabs(a-b) < std::numeric_limits<double>::epsilon();
 }
 
-int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg) {
+int openair0_set_frequencies(openair0_device* device, openair0_config_t *openair0_cfg,int dummy) {
 
   usrp_state_t *s = (usrp_state_t*)device->priv;
 
@@ -232,6 +232,12 @@ int openair0_set_gains(openair0_device* device, openair0_config_t *openair0_cfg)
   return(0);
 }
 
+int openair0_stop(int card) {
+
+  return(0);
+
+}
+
 int openair0_device_init(openair0_device* device, openair0_config_t *openair0_cfg)
 {
   uhd::set_thread_priority_safe(1.0);

targets/RT/USER/lte-softmodem.c

@@ -247,6 +247,7 @@ static char                    *itti_dump_file = NULL;
 #endif
 
 int UE_scan = 1;
+int UE_scan_carrier = 0;
 runmode_t mode = normal_txrx;
 
 
@@ -430,7 +431,7 @@ void help (void) {
   printf("  --no-L2-connect bypass L2 and upper layers\n");
   printf("  --ue_rxgain set UE RX gain\n");
   printf("  --ue_txgain set UE tx gain\n");
-
+  printf("  --ue_scan_carrier set UE to scan around carrier\n");
   printf("  -C Set the downlink frequecny for all Component carrier\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");
@@ -598,7 +599,7 @@ static void *scope_thread(void *arg)
     sleep(1);
   }
 
-  printf("%s",stats_buffer);
+  //  printf("%s",stats_buffer);
 
 # ifdef ENABLE_XFORMS_WRITE_STATS
 
@@ -1934,6 +1935,7 @@ static void get_options (int argc, char **argv)
     LONG_OPTION_NO_L2_CONNECT,
     LONG_OPTION_RXGAIN,
     LONG_OPTION_TXGAIN,
+    LONG_OPTION_SCANCARRIER
   };
 
   static const struct option long_options[] = {
@@ -1945,6 +1947,7 @@ static void get_options (int argc, char **argv)
     {"no-L2-connect",   no_argument,        NULL, LONG_OPTION_NO_L2_CONNECT},
     {"ue_rxgain",   required_argument,  NULL, LONG_OPTION_RXGAIN},
     {"ue_txgain",   required_argument,  NULL, LONG_OPTION_TXGAIN},
+    {"ue_scan_carrier",   no_argument,  NULL, LONG_OPTION_SCANCARRIER},
     {NULL, 0, NULL, 0}
   };
 
@@ -1993,6 +1996,11 @@ static void get_options (int argc, char **argv)
 
       break;
 
+    case LONG_OPTION_SCANCARRIER:
+      UE_scan_carrier=1;
+
+      break;
+
     case 'M':
 #ifdef ETHERNET
       strcpy(rrh_eNB_ip,optarg);
@@ -2009,6 +2017,7 @@ static void get_options (int argc, char **argv)
       }
 
       UE_scan=0;
+
       break;
 
     case 'd':
@@ -2564,6 +2573,7 @@ int main( int argc, char **argv )
 
 
       UE[CC_id]->UE_scan = UE_scan;
+      UE[CC_id]->UE_scan_carrier = UE_scan_carrier;
       UE[CC_id]->mode    = mode;
 
       compute_prach_seq(&UE[CC_id]->lte_frame_parms.prach_config_common,
@@ -2794,6 +2804,7 @@ int main( int argc, char **argv )
 
     for (i=0; i<4; i++) {
 
+      openair0_cfg[card].autocal[i] = 1;
       openair0_cfg[card].tx_gain[i] = tx_gain[0][i];
       openair0_cfg[card].rx_gain[i] = ((UE_flag==0) ? PHY_vars_eNB_g[0][0]->rx_total_gain_eNB_dB :
                                        PHY_vars_UE_g[0][0]->rx_total_gain_dB) - USRP_GAIN_OFFSET;  // calibrated for USRP B210 @ 2.6 GHz, 30.72 MS/s
@@ -2830,6 +2841,7 @@ int main( int argc, char **argv )
 
   printf("Initializing openair0 ...");
   openair0_cfg[0].log_level = glog_level;
+
   if (openair0_device_init(&openair0, &openair0_cfg[0]) <0) {
     printf("Exiting, cannot initialize device\n");
     exit(-1);
@@ -3387,15 +3399,15 @@ int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_c
 
     for (i=0; i<frame_parms->nb_antennas_rx; i++) {
       free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i]);
-      rxdata[i] = (int32_t*)(16 + malloc16(16+samples_per_frame*sizeof(int32_t)));
-      phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i] = rxdata[i]-N_TA_offset; // N_TA offset for TDD
+      rxdata[i] = (int32_t*)(16 + malloc16(16+samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
+      phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i] = rxdata[i]-N_TA_offset; // N_TA offset for TDD         FIXME! N_TA_offset > 16 => access of unallocated memory
       memset(rxdata[i], 0, samples_per_frame*sizeof(int32_t));
       printf("rxdata[%d] @ %p (%p) (N_TA_OFFSET %d)\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i],rxdata[i],N_TA_offset);
     }
 
     for (i=0; i<frame_parms->nb_antennas_tx; i++) {
       free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
-      txdata[i] = (int32_t*)(16 + malloc16(16 + samples_per_frame*sizeof(int32_t)));
+      txdata[i] = (int32_t*)(16 + malloc16(16 + samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
       phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i] = txdata[i];
       memset(txdata[i], 0, samples_per_frame*sizeof(int32_t));
       printf("txdata[%d] @ %p\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);

targets/RT/USER/sched_dlsch.c

@@ -249,6 +249,8 @@ static void * dlsch_thread(void *param)
 
 
 #ifdef DEBUG_PHY
+
+    if (phy_vars_ue->dlsch_ue[eNB_id][0]) {
       LOG_I(PHY,"[UE  %d][PDSCH %x/%d] Frame %d subframe %d: PDSCH/DLSCH decoding iter %d (mcs %d, rv %d, TBS %d)\n",
             phy_vars_ue->Mod_id,
             phy_vars_ue->dlsch_ue[eNB_id][0]->rnti,harq_pid,
@@ -266,6 +268,12 @@ static void * dlsch_thread(void *param)
               phy_vars_ue->dlsch_fer[eNB_id],
               phy_vars_ue->PHY_measurements.wideband_cqi_tot[eNB_id]);
       }
+    } else {
+      LOG_I( PHY,"[UE %d][PDSCH ?/%d] Frame %d subframe %d: PDSCH/DLSCH decoding iter %d (phy_vars_ue->dlsch_ue[eNB_id][0] == 0)\n",
+             phy_vars_ue->Mod_id,
+             harq_pid,
+             phy_vars_ue->frame_rx, dlsch_subframe[dlsch_thread_index], ret );
+    }
 
 #endif
 

targets/SIMU/USER/oaisim_functions.c

@@ -803,7 +803,7 @@ void check_and_adjust_params(void)
   NB_eNB_INST = oai_emulation.info.nb_enb_local + oai_emulation.info.nb_enb_remote;
   NB_RN_INST = oai_emulation.info.nb_rn_local + oai_emulation.info.nb_rn_remote;
 
-#if defined(ENABLE_PDCP_NETLINK_FIFO) && defined(OPENAIR2)
+#if defined(USE_PDCP_NETLINK_QUEUES) && defined(OPENAIR2)
   pdcp_netlink_init();
 #endif
 
@@ -1375,6 +1375,7 @@ void update_otg_eNB(module_id_t enb_module_idP, unsigned int ctime)
       }
 
     } // end multicast traffic
+
 #endif
   }