Merge branch 'develop' into 'dongzhanyi-zte-develop'

# Conflicts:
#   openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c

cmake_targets/CMakeLists.txt

@@ -1256,7 +1256,7 @@ set(SCHED_SRC_NR_UE
   ${OPENAIR1_DIR}/SCHED_NR_UE/phy_procedures_nr_ue.c
   ${OPENAIR1_DIR}/SCHED_NR/phy_procedures_nr_common.c
   ${OPENAIR1_DIR}/SCHED_NR_UE/fapi_nr_ue_l1.c 
-  ${OPENAIR1_DIR}/SCHED_NR/phy_frame_config_nr.c
+  ${OPENAIR1_DIR}/SCHED_NR_UE/phy_frame_config_nr_ue.c
   ${OPENAIR1_DIR}/SCHED_NR_UE/harq_nr.c
   ${OPENAIR1_DIR}/SCHED_NR_UE/pucch_uci_ue_nr.c
   ${OPENAIR1_DIR}/SCHED_NR_UE/pucch_power_control_ue_nr.c 

executables/main-ocp.c

@@ -1123,9 +1123,6 @@ int restart_L1L2(module_id_t enb_id) {
   sync_var = -1;
   pthread_mutex_unlock(&sync_mutex);
   RC.ru_mask |= (1 << ru->idx);
-  /* copy the changed frame parameters to the RU */
-  /* TODO this should be done for all RUs associated to this eNB */
-  memcpy(&ru->frame_parms, &RC.eNB[enb_id][0]->frame_parms, sizeof(LTE_DL_FRAME_PARMS));
   /* reset the list of connected UEs in the MAC, since in this process with
    * loose all UEs (have to reconnect) */
   init_UE_info(&RC.mac[enb_id]->UE_info);
@@ -1348,7 +1345,7 @@ int main ( int argc, char **argv ) {
   // end of CI modifications
   //getchar();
   if(IS_SOFTMODEM_DOFORMS)
-    load_softscope("enb");
+    load_softscope("enb", NULL);
 
   itti_wait_tasks_end();
   oai_exit=1;

executables/nr-softmodem.c

@@ -726,9 +726,6 @@ int restart_L1L2(module_id_t gnb_id) {
   
 
   RC.ru_mask |= (1 << ru->idx);
-  /* copy the changed frame parameters to the RU */
-  /* TODO this should be done for all RUs associated to this gNB */
-  memcpy(&ru->nr_frame_parms, &RC.gNB[gnb_id]->frame_parms, sizeof(NR_DL_FRAME_PARMS));
   set_function_spec_param(RC.ru[gnb_id]);
   LOG_I(GNB_APP, "attempting to create ITTI tasks\n");
   // No more rrc thread, as many race conditions are hidden behind

executables/nr-ue.c

@@ -35,9 +35,7 @@
 #include "NR_MAC_UE/mac_proto.h"
 #include "RRC/NR_UE/rrc_proto.h"
 
-//#ifndef NO_RAT_NR
-#include "SCHED_NR/phy_frame_config_nr.h"
-//#endif
+#include "SCHED_NR_UE/phy_frame_config_nr.h"
 #include "SCHED_NR_UE/defs.h"
 
 #include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
@@ -577,12 +575,6 @@ void syncInFrame(PHY_VARS_NR_UE *UE, openair0_timestamp *timestamp) {
 
 int computeSamplesShift(PHY_VARS_NR_UE *UE) {
 
-  if (IS_SOFTMODEM_RFSIM) {
-    LOG_D(PHY,"SET rx_offset %d \n",UE->rx_offset);
-    //UE->rx_offset_diff=0;
-    return 0;
-  }
-
   // compute TO compensation that should be applied for this frame
   if ( UE->rx_offset < UE->frame_parms.samples_per_frame/2  &&
        UE->rx_offset > 0 ) {

openair1/PHY/INIT/lte_init_ru.c

@@ -186,7 +186,6 @@ void phy_free_RU(RU_t *ru) {
   int i,j,p;
   RU_CALIBRATION *calibration = &ru->calibration;
   LOG_I(PHY, "Feeing RU signal buffers (if_south %s) nb_tx %d\n", ru_if_types[ru->if_south], ru->nb_tx);
-  free_and_zero(ru->frame_parms);
 
   if (ru->if_south <= REMOTE_IF5) { // this means REMOTE_IF5 or LOCAL_RF, so free memory for time-domain signals
     for (i = 0; i < ru->nb_tx; i++) free_and_zero(ru->common.txdata[i]);

openair1/PHY/INIT/nr_init_ru.c

@@ -121,9 +121,9 @@ int nr_phy_init_RU(RU_t *ru) {
     LOG_E(PHY,"[INIT] %s() RC.nb_nr_L1_inst:%d \n", __FUNCTION__, RC.nb_nr_L1_inst);
     
     int beam_count = 0;
-    if (ru->nb_log_antennas>1) {
+    if (ru->nb_tx>1) {//Enable beamforming when nb_tx > 1
       for (p=0;p<ru->nb_log_antennas;p++) {
-        if ((fp->L_ssb >> p) & 0x01)
+        if ((fp->L_ssb >> (63-p)) & 0x01)//64 bit-map with the MSB @2⁶³ corresponds to SSB ssb_index 0
           beam_count++;
       }
       AssertFatal(ru->nb_bfw==(beam_count*ru->nb_tx),"Number of beam weights from config file is %d while the expected number is %d",ru->nb_bfw,(beam_count*ru->nb_tx));
@@ -131,7 +131,7 @@ int nr_phy_init_RU(RU_t *ru) {
       int l_ind = 0;
       for (i=0; i<RC.nb_nr_L1_inst; i++) {
         for (p=0;p<ru->nb_log_antennas;p++) {
-          if ((fp->L_ssb >> p) & 0x01)  {
+          if ((fp->L_ssb >> (63-p)) & 0x01)  {
 	    ru->beam_weights[i][p] = (int32_t **)malloc16_clear(ru->nb_tx*sizeof(int32_t*));
 	    for (j=0; j<ru->nb_tx; j++) {
 	      ru->beam_weights[i][p][j] = (int32_t *)malloc16_clear(fp->ofdm_symbol_size*sizeof(int32_t));

openair1/PHY/INIT/nr_parms.c

@@ -308,7 +308,7 @@ int nr_init_frame_parms(nfapi_nr_config_request_scf_t* cfg,
   int num_tx_ant = (cfg == NULL) ? fp->Lmax : cfg->carrier_config.num_tx_ant.value;
 
   for (int p=0; p<num_tx_ant; p++)
-    fp->N_ssb += ((fp->L_ssb >> p) & 0x01);
+    fp->N_ssb += ((fp->L_ssb >> (63-p)) & 0x01);
 
   return 0;
 
@@ -389,7 +389,7 @@ int nr_init_frame_parms_ue(NR_DL_FRAME_PARMS *fp,
   
   fp->N_ssb = 0;
   for (int p=0; p<fp->Lmax; p++)
-    fp->N_ssb += ((fp->L_ssb >> p) & 0x01);
+    fp->N_ssb += ((fp->L_ssb >> (63-p)) & 0x01);
 
   return 0;
 }

openair1/PHY/MODULATION/beamforming.c

@@ -155,7 +155,7 @@ int nr_beam_precoding(int32_t **txdataF,
   memset(&txdataF_BF[aa][symbol*frame_parms->ofdm_symbol_size],0,sizeof(int32_t)*(frame_parms->ofdm_symbol_size));
 
   for (p=0; p<nb_antenna_ports; p++) {
-    if ((frame_parms->L_ssb >> p) & 0x01)  {
+    if ((frame_parms->L_ssb >> (63-p)) & 0x01)  {
       multadd_cpx_vector((int16_t*)&txdataF[p][symbol*frame_parms->ofdm_symbol_size],
 			 (int16_t*)beam_weights[p][aa], 
 			 (int16_t*)&txdataF_BF[aa][symbol*frame_parms->ofdm_symbol_size], 

openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c

@@ -150,7 +150,7 @@ NR_gNB_DLSCH_t *new_gNB_dlsch(NR_DL_FRAME_PARMS *frame_parms,
 
   if (N_RB != 273) {
     a_segments = a_segments*N_RB;
-    a_segments = a_segments/273;
+    a_segments = (a_segments + 272) / 273;
   }  
 
   uint16_t dlsch_bytes = a_segments*1056;  // allocated bytes per segment

openair1/PHY/NR_TRANSPORT/nr_prach.c

@@ -37,7 +37,6 @@
 extern uint16_t prach_root_sequence_map_0_3[838];
 extern uint16_t prach_root_sequence_map_abc[138];
 extern uint16_t nr_du[838];
-extern int16_t nr_ru[2*839];
 extern const char *prachfmt[9];
 
 void init_prach_list(PHY_VARS_gNB *gNB) {

openair1/PHY/NR_TRANSPORT/nr_transport_proto.h

@@ -343,8 +343,9 @@ void nr_decode_pucch1(int32_t **rxdataF,
                       uint8_t nr_bit);
 
 void nr_decode_pucch0(PHY_VARS_gNB *gNB,
-              int slot,
+                      int slot,
                       nfapi_nr_uci_pucch_pdu_format_0_1_t* uci_pdu,
                       nfapi_nr_pucch_pdu_t* pucch_pdu);
 
+
 #endif /*__NR_TRANSPORT__H__*/

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c

@@ -266,8 +266,14 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
   double Coderate;// = 0.0;
 
   uint8_t dmrs_Type = harq_process->dmrsConfigType;
-  AssertFatal(dmrs_Type == 1 || dmrs_Type == 2,"Illegal dmrs_type %d\n",dmrs_Type);
-  uint8_t nb_re_dmrs = (dmrs_Type==1)?6:4; // should be changed based on MAC parameters
+  AssertFatal(dmrs_Type == 0 || dmrs_Type == 1, "Illegal dmrs_type %d\n", dmrs_Type);
+  uint8_t nb_re_dmrs;
+  if (dmrs_Type==NFAPI_NR_DMRS_TYPE1) {
+    nb_re_dmrs = 6*harq_process->n_dmrs_cdm_groups;
+  }
+  else {
+    nb_re_dmrs = 4*harq_process->n_dmrs_cdm_groups;
+  }
   uint16_t dmrs_length = get_num_dmrs(harq_process->dlDmrsSymbPos);
   AssertFatal(dmrs_length == 1 || dmrs_length == 2,"Illegal dmrs_length %d\n",dmrs_length);
 
@@ -409,7 +415,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
 
   if (nb_rb != 273) {
     a_segments = a_segments*nb_rb;
-    a_segments = a_segments/273;
+    a_segments = (a_segments + 272) / 273;
   }  
 
   if (harq_process->C > a_segments) {
@@ -805,7 +811,12 @@ uint32_t  nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
   //nfapi_nr_config_request_t *cfg = &phy_vars_ue->nrUE_config;
   //uint8_t dmrs_type = cfg->pdsch_config.dmrs_type.value;
 
-  uint8_t nb_re_dmrs = 12;//(dmrs_type==1)?6:4;
+  uint8_t nb_re_dmrs;
+  if (dmrs_Type == NFAPI_NR_DMRS_TYPE1)
+    nb_re_dmrs = 6*harq_process->n_dmrs_cdm_groups;
+  else
+    nb_re_dmrs = 4*harq_process->n_dmrs_cdm_groups;
+
   uint16_t length_dmrs = get_num_dmrs(dl_config_pdu->dlDmrsSymbPos); 
 
   uint32_t i,j;

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c

@@ -134,7 +134,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
   int avgs = 0;// rb;
   NR_DL_UE_HARQ_t *dlsch0_harq, *dlsch1_harq = NULL;
 
-  uint8_t beamforming_mode;
+  uint8_t beamforming_mode = 0;
 
   int32_t **rxdataF_comp_ptr;
   int32_t **dl_ch_mag_ptr;
@@ -162,24 +162,34 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
     pdsch_vars = ue->pdsch_vars_SI;
     dlsch = &ue->dlsch_SI[eNB_id];
     dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
-    beamforming_mode = 0;
+
     break;
 
   case RA_PDSCH:
     pdsch_vars = ue->pdsch_vars_ra;
     dlsch = &ue->dlsch_ra[eNB_id];
     dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
-    beamforming_mode = 0;
+
+    // WIP TBR Hotfix
+    memcpy((void*)&pdsch_vars[eNB_id]->dl_ch_estimates[0][ue->frame_parms.ofdm_symbol_size*2], (void*)&ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_estimates[0][ue->frame_parms.ofdm_symbol_size*2], ue->frame_parms.ofdm_symbol_size*sizeof(int32_t));
 
     break;
 
   case PDSCH:
     pdsch_vars = ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]];
     dlsch = ue->dlsch[ue->current_thread_id[nr_tti_rx]][eNB_id];
-    beamforming_mode = ue->transmission_mode[eNB_id] < 7 ? 0 :ue->transmission_mode[eNB_id];
-
     dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
     dlsch1_harq = dlsch[1]->harq_processes[harq_pid];
+    beamforming_mode = ue->transmission_mode[eNB_id] < 7 ? 0 :ue->transmission_mode[eNB_id];
+    break;
+
+  default:
+    LOG_E(PHY, "[UE][FATAL] nr_tti_rx %d: Unknown PDSCH format %d\n", nr_tti_rx, type);
+    return -1;
+    break;
+  }
+
+  if (dlsch1_harq){
 
     //printf("status TB0 = %d, status TB1 = %d \n", dlsch[0]->harq_processes[harq_pid]->status, dlsch[1]->harq_processes[harq_pid]->status);
     LOG_D(PHY,"AbsSubframe %d.%d / Sym %d harq_pid %d, harq status %d.%d \n", frame, nr_tti_rx, symbol, harq_pid, dlsch0_harq->status, dlsch1_harq->status);
@@ -191,27 +201,25 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
       dlsch1_harq = dlsch[codeword_TB1]->harq_processes[harq_pid];
 
       #ifdef DEBUG_HARQ
-        printf("[DEMOD] I am assuming both TBs are active\n");
+        printf("[DEMOD] I am assuming both TBs are active, in cw0 %d and cw1 %d \n", codeword_TB0, codeword_TB1);
       #endif
 
     } else if ((dlsch0_harq->status == ACTIVE) && (dlsch1_harq->status != ACTIVE) ) {
       codeword_TB0 = dlsch0_harq->codeword;
-      codeword_TB1 = -1;
-      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
+      dlsch0_harq = dlsch[codeword_TB0]->harq_processes[harq_pid];
       dlsch1_harq = NULL;
 
       #ifdef DEBUG_HARQ
-        printf("[DEMOD] I am assuming only TB0 is active\n");
+        printf("[DEMOD] I am assuming only TB0 is active, in cw %d \n", codeword_TB0);
       #endif
 
     } else if ((dlsch0_harq->status != ACTIVE) && (dlsch1_harq->status == ACTIVE)){
-      codeword_TB0 = -1;
       codeword_TB1 = dlsch1_harq->codeword;
       dlsch0_harq  = NULL;
-      dlsch1_harq  = dlsch[1]->harq_processes[codeword_TB1];
+      dlsch1_harq  = dlsch[codeword_TB1]->harq_processes[harq_pid];
 
       #ifdef DEBUG_HARQ
-        printf("[DEMOD] I am assuming only TB1 is active, it is in cw %d\n", dlsch1_harq->codeword);
+        printf("[DEMOD] I am assuming only TB1 is active, it is in cw %d\n", codeword_TB1);
       #endif
 
       LOG_E(PHY, "[UE][FATAL] DLSCH: TB0 not active and TB1 active case is not supported\n");
@@ -221,14 +229,17 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
       LOG_E(PHY,"[UE][FATAL] nr_tti_rx %d: no active DLSCH\n", nr_tti_rx);
       return(-1);
     }
+  } else if (dlsch0_harq) {
+    if (dlsch0_harq->status == ACTIVE)
+      codeword_TB0 = dlsch0_harq->codeword;
+      dlsch0_harq = dlsch[0]->harq_processes[harq_pid];
 
-      break;
-
-    default:
-      LOG_E(PHY, "[UE][FATAL] nr_tti_rx %d: Unknown PDSCH format %d\n", nr_tti_rx, type);
-      return(-1);
-      break;
-
+      #ifdef DEBUG_HARQ
+        printf("[DEMOD] I am assuming only TB0 is active\n");
+      #endif
+  } else {
+    LOG_E(PHY,"[UE][FATAL] nr_tti_rx %d: no active DLSCH\n", nr_tti_rx);
+    return (-1);
   }
 
   if (dlsch0_harq == NULL) {
@@ -2380,7 +2391,7 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
 
   for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
 
-    k = frame_parms->first_carrier_offset + 12*start_rb; 
+    k = frame_parms->first_carrier_offset + NR_NB_SC_PER_RB*start_rb;
 
     if (high_speed_flag == 1)
       dl_ch0     = &dl_ch_estimates[aarx][(2*(frame_parms->ofdm_symbol_size))];

openair1/PHY/NR_UE_TRANSPORT/nr_prach.c

@@ -44,18 +44,8 @@
 
 //#define NR_PRACH_DEBUG 1
 
-extern uint16_t NCS_unrestricted_delta_f_RA_125[16];
-extern uint16_t NCS_restricted_TypeA_delta_f_RA_125[15];
-extern uint16_t NCS_restricted_TypeB_delta_f_RA_125[13];
-extern uint16_t NCS_unrestricted_delta_f_RA_5[16];
-extern uint16_t NCS_restricted_TypeA_delta_f_RA_5[16];
-extern uint16_t NCS_restricted_TypeB_delta_f_RA_5[14];
-extern uint16_t NCS_unrestricted_delta_f_RA_15[16];
 extern uint16_t prach_root_sequence_map_0_3[838];
 extern uint16_t prach_root_sequence_map_abc[138];
-extern int64_t table_6_3_3_2_2_prachConfig_Index [256][9];
-extern int64_t table_6_3_3_2_3_prachConfig_Index [256][9];
-extern int64_t table_6_3_3_2_4_prachConfig_Index [256][10];
 extern uint16_t nr_du[838];
 extern int16_t nr_ru[2*839];
 extern const char *prachfmt[9];
@@ -118,7 +108,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
   else
     samp_count = (slot%(fp->slots_per_subframe/2)) ? fp->samples_per_slotN0 : fp->samples_per_slot0;
 
-  #if defined (OAI_USRP)
+  #ifdef OAI_USRP
     prach_start = (ue->rx_offset + slot*samp_count - ue->hw_timing_advance - ue->N_TA_offset);
   #else //normal case (simulation)
     prach_start = slot*samp_count - ue->N_TA_offset;
@@ -208,14 +198,17 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
   // now generate PRACH signal
   #ifdef NR_PRACH_DEBUG
     if (NCS>0)
-      LOG_I(PHY, "PRACH [UE %d] generate PRACH for RootSeqIndex %d, Preamble Index %d, PRACH Format %s, NCS %d (N_ZC %d): Preamble_offset %d, Preamble_shift %d\n", Mod_id,
-    rootSequenceIndex,
-    preamble_index,
-    prach_sequence_length == 0 ? prachfmt03[prach_fmt_id]  : prachfmt[prach_fmt_id],
+      LOG_I(PHY, "PRACH [UE %d] generate PRACH in slot %d for RootSeqIndex %d, Preamble Index %d, PRACH Format %s, NCS %d (N_ZC %d): Preamble_offset %d, Preamble_shift %d msg1 frequency start %d\n",
+        Mod_id,
+        slot,
+        rootSequenceIndex,
+        preamble_index,
+        prach_sequence_length == 0 ? prachfmt03[prach_fmt_id]  : prachfmt[prach_fmt_id],
         NCS,
         N_ZC,
         preamble_offset,
-        preamble_shift);
+        preamble_shift,
+        n_ra_prb);
   #endif
 
   //  nsymb = (frame_parms->Ncp==0) ? 14:12;
@@ -383,8 +376,6 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
 
   } else {
 
-    //LOG_D(PHY, "PRACH [UE %d] in slot %d, format %d, msg1 frequency start %d startSymbol %d \n", Mod_id, slot, prachfmt[prach_fmt_id], n_ra_prb, prachStartSymbol);
-
     switch (prach_fmt_id) {
     case 0: //A1
       Ncp = 288/(1<<mu);
@@ -419,7 +410,9 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
     }
   }
 
-  LOG_D(PHY, "PRACH [UE %d] Ncp %d, dftlen %d \n", Mod_id, Ncp, dftlen);
+  #ifdef NR_PRACH_DEBUG
+    LOG_D(PHY, "PRACH [UE %d] Ncp %d, dftlen %d \n", Mod_id, Ncp, dftlen);
+  #endif
 
   if (fp->N_RB_UL <= 100)
     AssertFatal(1==0,"N_RB_UL %d not supported for NR PRACH yet\n",fp->N_RB_UL);
@@ -844,7 +837,7 @@ int32_t generate_nr_prach(PHY_VARS_NR_UE *ue, uint8_t gNB_id, uint8_t slot){
   //}
   //printf(" \n");
 
-  #if defined(PRACH_WRITE_OUTPUT_DEBUG)
+  #ifdef PRACH_WRITE_OUTPUT_DEBUG
     LOG_M("prach_tx0.m", "prachtx0", prach+(Ncp<<1), prach_len-Ncp, 1, 1);
     LOG_M("Prach_txsig.m","txs",(int16_t*)(&ue->common_vars.txdata[0][prach_start]), 2*(prach_start+prach_len), 1, 1)
   #endif

openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h

@@ -292,6 +292,8 @@ typedef struct {
   uint16_t dlDmrsSymbPos;
   /// DMRS Configuration Type
   uint8_t dmrsConfigType;
+  // Number of DMRS CDM groups with no data
+  uint8_t n_dmrs_cdm_groups;
   /// Starting Symbol number
   uint16_t start_symbol;
   /// Current subband PMI allocation

openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c

@@ -100,7 +100,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
 
   LOG_D(PHY,"nr_ue_ulsch_procedures hard_id %d %d.%d\n",harq_pid,frame,slot);
 
-  uint32_t available_bits, TBS;
+  uint32_t available_bits;
   uint8_t mod_order, cwd_index, num_of_codewords, l;
   uint32_t scrambled_output[NR_MAX_NB_CODEWORDS][NR_MAX_PDSCH_ENCODED_LENGTH>>5];
   uint32_t ***pusch_dmrs;
@@ -113,7 +113,6 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
   int ap, start_symbol, Nid_cell, i;
   int sample_offsetF, N_RE_prime, N_PRB_oh;
   uint16_t ul_dmrs_symb_pos;
-  uint8_t data_existing =0;
   uint8_t L_ptrs, K_ptrs; // PTRS parameters
   uint16_t beta_ptrs; // PTRS parameter related to power control
 
@@ -121,7 +120,6 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
   NR_UL_UE_HARQ_t *harq_process_ul_ue=NULL;
   NR_DL_FRAME_PARMS *frame_parms = &UE->frame_parms;
   NR_UE_PUSCH *pusch_ue = UE->pusch_vars[thread_id][gNB_id];
-  uint8_t ulsch_input_buffer[MAX_ULSCH_PAYLOAD_BYTES];
   // ptrs_UplinkConfig_t *ptrs_Uplink_Config = &UE->pusch_config.dmrs_UplinkConfig.ptrs_UplinkConfig;
 
   num_of_codewords = 1; // tmp assumption
@@ -171,54 +169,6 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
                                              0,
                                              harq_process_ul_ue->pusch_pdu.nrOfLayers);
 
-    uint8_t access_mode = SCHEDULED_ACCESS;
-
-    //-----------------------------------------------------//
-    // to be removed later when MAC is ready
-
-    if (harq_process_ul_ue != NULL){
-      TBS = harq_process_ul_ue->pusch_pdu.pusch_data.tb_size;
-      data_existing = 0;
-
-      if (IS_SOFTMODEM_NOS1){
-        data_existing = nr_ue_get_sdu(UE->Mod_id, UE->CC_id, frame,
-                                      slot, 0, ulsch_input_buffer, TBS/8, &access_mode);
-        //IP traffic to be transmitted
-        if(data_existing){
-          //harq_process_ul_ue->a = (unsigned char*)calloc(harq_process_ul_ue->TBS/8, sizeof(unsigned char));
-          memcpy(harq_process_ul_ue->a, ulsch_input_buffer, TBS/8);
-        }
-      }
-      //Random traffic to be transmitted if there is no IP traffic available for this Tx opportunity
-      if (!IS_SOFTMODEM_NOS1 || !data_existing) {
-        //Use zeros for the header bytes in noS1 mode, in order to make sure that the LCID is not valid
-        //and block this traffic from being forwarded to the upper layers at the gNB
-        LOG_D(PHY, "Random data to be tranmsitted: \n");
-
-        //Give the first byte a dummy value (a value not corresponding to any valid LCID based on 38.321, Table 6.2.1-2)
-        //in order to distinguish the PHY random packets at the MAC layer of the gNB receiver from the normal packets that should
-        //have a valid LCID (nr_process_mac_pdu function)
-        harq_process_ul_ue->a[0] = 0x31;
-
-        for (i = 1; i < TBS / 8; i++) {
-          harq_process_ul_ue->a[i] = (unsigned char) rand();
-          //printf(" input encoder a[%d]=0x%02x\n",i,harq_process_ul_ue->a[i]);
-        }
-      }
-#ifdef DEBUG_MAC_PDU
-      LOG_I(PHY, "Printing MAC PDU to be encoded, TBS is: %d at SFN/SF: %d/%d \n", TBS/8, frame, slot);
-      for (i = 0; i < TBS / 8; i++) {
-        printf("%02x ",harq_process_ul_ue->a[i]);
-      }
-      printf("\n");
-#endif
-    } else {
-      LOG_E(PHY, "[phy_procedures_nrUE_TX] harq_process_ul_ue is NULL !!\n");
-      return;
-    }
-
-    //-----------------------------------------------------//
-
     /////////////////////////ULSCH coding/////////////////////////
     ///////////
 
@@ -471,7 +421,6 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
   ///////////
   ////////////////////////////////////////////////////////////////////////
 
-  LOG_D(PHY, "Is data existing ?: %d \n", data_existing);
 }
 
 

openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c

@@ -963,7 +963,7 @@ void nr_generate_pucch2(PHY_VARS_NR_UE *ue,
   uint64_t b[16]; // limit to 1024-bit encoded length
   // M_bit is the number of bits of block b (payload after encoding)
   uint16_t M_bit;
-  nr_uci_encoding(payload,nr_bit,pucch_format2_nr,0,nrofSymbols,nrofPRB,1,0,0,(void*)b,&M_bit);
+  nr_uci_encoding(payload,nr_bit,pucch_format2_nr,0,nrofSymbols,nrofPRB,1,0,0,&b[0],&M_bit);
   /*
    * Implementing TS 38.211
    * Subclauses 6.3.2.5.1 Scrambling (PUCCH format 2)
@@ -985,7 +985,7 @@ void nr_generate_pucch2(PHY_VARS_NR_UE *ue,
   /*
    * Implementing TS 38.211 Subclause 6.3.2.5.1 scrambling format 2
    */
-  nr_pucch2_3_4_scrambling(M_bit,rnti,data_scrambling_id,b,btilde);
+  nr_pucch2_3_4_scrambling(M_bit,rnti,data_scrambling_id,&b[0],btilde);
   /*
    * Implementing TS 38.211 Subclause 6.3.2.5.2 modulation format 2
    * btilde shall be modulated as described in subclause 5.1 using QPSK
@@ -1154,7 +1154,7 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
   //nrofPRB = 2; // only for test purposes
   if (fmt == pucch_format4_nr) nrofPRB = 1;
 
-  nr_uci_encoding(payload,nr_bit,fmt,is_pi_over_2_bpsk_enabled,nrofSymbols,nrofPRB,n_SF_PUCCH_s,intraSlotFrequencyHopping,add_dmrs,(void*)b,&M_bit);
+  nr_uci_encoding(payload,nr_bit,fmt,is_pi_over_2_bpsk_enabled,nrofSymbols,nrofPRB,n_SF_PUCCH_s,intraSlotFrequencyHopping,add_dmrs,&b[0],&M_bit);
   /*
    * Implementing TS 38.211
    * Subclauses 6.3.2.6.1 Scrambling (PUCCH formats 3 and 4)
@@ -1176,7 +1176,7 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
   /*
    * Implementing TS 38.211 Subclause 6.3.2.6.1 scrambling formats 3 and 4
    */
-  nr_pucch2_3_4_scrambling(M_bit,rnti,n_id,b,btilde);
+  nr_pucch2_3_4_scrambling(M_bit,rnti,n_id,&b[0],btilde);
   /*
    * Implementing TS 38.211 Subclause 6.3.2.6.2 modulation formats 3 and 4
    *

openair1/PHY/TOOLS/nr_phy_scope.c

@@ -401,7 +401,8 @@ static void *scope_thread_gNB(void *arg) {
   //  FILE *gNB_stats = fopen("gNB_stats.txt", "w");
   //#endif
   size_t stksize=0;
-  pthread_attr_t atr= {0};
+  pthread_attr_t atr;
+  pthread_attr_init(&atr);
   pthread_attr_getstacksize(&atr, &stksize);
   pthread_attr_setstacksize(&atr,32*1024*1024 );
   sleep(3); // no clean interthread barriers

openair1/SCHED_NR/phy_frame_config_nr.c

@@ -29,11 +29,9 @@
 *
 ************************************************************************/
 
-#include "SCHED_NR_UE/defs.h"
+#include "PHY/defs_nr_common.h"
 #include "PHY/defs_nr_UE.h"
-#include "SCHED_NR_UE/phy_frame_config_nr.h"
-#include "PHY/impl_defs_nr.h"
-#include "PHY/impl_defs_top.h"
+#include "SCHED_NR/phy_frame_config_nr.h"
 
 /*******************************************************************
 *
@@ -369,73 +367,6 @@ int nr_slot_select(nfapi_nr_config_request_scf_t *cfg, int nr_frame, int nr_tti)
   }
 }
 
-/*******************************************************************
-*
-* NAME :         nr_ue_slot_select
-*
-* DESCRIPTION :  function for the UE equivalent to nr_slot_select
-*
-*********************************************************************/
-
-int nr_ue_slot_select(fapi_nr_config_request_t *cfg, int nr_frame, int nr_tti) {
-  /* for FFD all slot can be considered as an uplink */
-  int mu = cfg->ssb_config.scs_common, check_slot = 0;
-
-  if (cfg->cell_config.frame_duplex_type == FDD) {
-    return (NR_UPLINK_SLOT | NR_DOWNLINK_SLOT);
-  }
-
-  if (nr_frame%2 == 0) {
-    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
-      if (cfg->tdd_table.max_tdd_periodicity_list[nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 1) {
-        check_slot++;
-      }
-    }
-
-    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
-      return (NR_UPLINK_SLOT);
-    }
-
-    check_slot = 0;
-
-    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
-      if (cfg->tdd_table.max_tdd_periodicity_list[nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 0) {
-        check_slot++;
-      }
-    }
-
-    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
-      return (NR_DOWNLINK_SLOT);
-    } else {
-      return (NR_MIXED_SLOT);
-    }
-  } else {
-    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
-      if (cfg->tdd_table.max_tdd_periodicity_list[((1<<mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME) + nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 1) {
-        check_slot++;
-      }
-    }
-
-    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
-      return (NR_UPLINK_SLOT);
-    }
-
-    check_slot = 0;
-
-    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
-      if (cfg->tdd_table.max_tdd_periodicity_list[((1<<mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME) + nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 0) {
-        check_slot++;
-      }
-    }
-
-    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
-      return (NR_DOWNLINK_SLOT);
-    } else {
-      return (NR_MIXED_SLOT);
-    }
-  }
-}
-
 /*******************************************************************
 *
 * NAME :         free_tdd_configuration_nr

openair1/SCHED_NR/phy_frame_config_nr.h

@@ -32,7 +32,6 @@
 #ifndef PHY_FRAME_CONFIG_NR_H
 #define PHY_FRAME_CONFIG_NR_H
 
-#include <nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h>
 /************** DEFINE ********************************************/
 
 #define TDD_CONFIG_NB_FRAMES           (2)
@@ -77,10 +76,9 @@ int set_tdd_configuration_dedicated_nr(NR_DL_FRAME_PARMS *frame_parms);
  *  @param frame_parms NR DL Frame parameters
  *  @param nr_frame : frame number
  *  @param nr_tti   : slot number
-    @returns nr_slot_t : downlink or uplink */
+    @returns int : downlink, uplink or mixed slot type*/
 
-nr_slot_t nr_slot_select(nfapi_nr_config_request_scf_t *cfg, int nr_frame, int nr_tti);
-int nr_ue_slot_select(fapi_nr_config_request_t *cfg, int nr_frame, int nr_tti);
+int nr_slot_select(nfapi_nr_config_request_scf_t *cfg, int nr_frame, int nr_tti);
 
 /** \brief This function frees tdd configuration for nr
  *  @param frame_parms NR DL Frame parameters

openair1/SCHED_NR_UE/fapi_nr_ue_l1.c

@@ -106,6 +106,7 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
             dlsch0_harq->start_symbol = dlsch_config_pdu->start_symbol;
             dlsch0_harq->dlDmrsSymbPos = dlsch_config_pdu->dlDmrsSymbPos;
             dlsch0_harq->dmrsConfigType = dlsch_config_pdu->dmrsConfigType;
+            dlsch0_harq->n_dmrs_cdm_groups = dlsch_config_pdu->n_dmrs_cdm_groups;
             dlsch0_harq->mcs = dlsch_config_pdu->mcs;
             dlsch0_harq->rvidx = dlsch_config_pdu->rv;
             dlsch0->g_pucch = dlsch_config_pdu->accumulated_delta_PUCCH;
@@ -147,12 +148,32 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
           // pusch config pdu
           pusch_config_pdu = &ul_config->ul_config_list[i].pusch_config_pdu;
           current_harq_pid = pusch_config_pdu->pusch_data.harq_process_id;
-          nfapi_nr_ue_pusch_pdu_t *pusch_pdu = &ulsch0->harq_processes[current_harq_pid]->pusch_pdu;
+          NR_UL_UE_HARQ_t *harq_process_ul_ue = ulsch0->harq_processes[current_harq_pid];
 
-          memcpy(pusch_pdu, pusch_config_pdu, sizeof(nfapi_nr_ue_pusch_pdu_t));
+          if (harq_process_ul_ue){
+
+            nfapi_nr_ue_pusch_pdu_t *pusch_pdu = &harq_process_ul_ue->pusch_pdu;
+
+            memcpy(pusch_pdu, pusch_config_pdu, sizeof(nfapi_nr_ue_pusch_pdu_t));
+
+            ulsch0->f_pusch = pusch_config_pdu->absolute_delta_PUSCH;
+
+            if (scheduled_response->tx_request){
+              fapi_nr_tx_request_body_t *tx_req_body = scheduled_response->tx_request->tx_request_body;
+
+              //harq_process_ul_ue->a = (unsigned char*)calloc(TBS/8, sizeof(unsigned char));
+              memcpy(harq_process_ul_ue->a, tx_req_body->pdu, tx_req_body->pdu_length);
+
+              harq_process_ul_ue->status = ACTIVE;
+            }
+
+          } else {
+
+            LOG_E(PHY, "[phy_procedures_nrUE_TX] harq_process_ul_ue is NULL !!\n");
+            return -1;
+
+          }
 
-          ulsch0->f_pusch = pusch_config_pdu->absolute_delta_PUSCH;
-          ulsch0->harq_processes[current_harq_pid]->status = ACTIVE;
         break;
 
         case (FAPI_NR_UL_CONFIG_TYPE_PUCCH):
@@ -214,9 +235,6 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
     } else {
     }
 
-    if (scheduled_response->tx_request != NULL){
-    } else {
-    }
   }
 
   return 0;

openair1/SCHED_NR_UE/phy_frame_config_nr.h

@@ -62,10 +62,18 @@ int set_tdd_configuration_dedicated_nr(NR_DL_FRAME_PARMS *frame_parms);
  *  @param frame_parms NR DL Frame parameters
  *  @param nr_frame : frame number
  *  @param nr_tti   : slot number
-    @returns nr_slot_t : downlink or uplink */
+    @returns int : downlink or uplink */
 
 int slot_select_nr(NR_DL_FRAME_PARMS *frame_parms, int nr_frame, int nr_tti);
 
+/** \brief This function checks nr UE slot direction : downlink or uplink
+ *  @param cfg      : FAPI Config Request
+ *  @param nr_frame : frame number
+ *  @param nr_tti   : slot number
+    @returns int : downlink, uplink or mixed slot type */
+
+int nr_ue_slot_select(fapi_nr_config_request_t *cfg, int nr_frame, int nr_tti);
+
 /** \brief This function frees tdd configuration for nr
  *  @param frame_parms NR DL Frame parameters
     @returns none */

openair1/SCHED_NR_UE/phy_frame_config_nr_ue.c

+/*
+ * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The OpenAirInterface Software Alliance licenses this file to You under
+ * the OAI Public License, Version 1.1  (the "License"); you may not use this file
+ * except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.openairinterface.org/?page_id=698
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *-------------------------------------------------------------------------------
+ * For more information about the OpenAirInterface (OAI) Software Alliance:
+ *      contact@openairinterface.org
+ */
+
+/***********************************************************************
+*
+* FILENAME    :  phy_frame_configuration_nr_ue.c
+*
+* DESCRIPTION :  functions related to FDD/TDD configuration for NR
+*                see TS 38.213 11.1 Slot configuration
+*                and TS 38.331 for RRC configuration
+*
+************************************************************************/
+
+#include "PHY/defs_nr_UE.h"
+
+/*******************************************************************
+*
+* NAME :         nr_ue_slot_select
+*
+* DESCRIPTION :  function for the UE equivalent to nr_slot_select
+*
+*********************************************************************/
+
+int nr_ue_slot_select(fapi_nr_config_request_t *cfg, int nr_frame, int nr_tti) {
+  /* for FFD all slot can be considered as an uplink */
+  int mu = cfg->ssb_config.scs_common, check_slot = 0;
+
+  if (cfg->cell_config.frame_duplex_type == FDD) {
+    return (NR_UPLINK_SLOT | NR_DOWNLINK_SLOT);
+  }
+
+  if (nr_frame%2 == 0) {
+    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
+      if (cfg->tdd_table.max_tdd_periodicity_list[nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 1) {
+        check_slot++;
+      }
+    }
+
+    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
+      return (NR_UPLINK_SLOT);
+    }
+
+    check_slot = 0;
+
+    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
+      if (cfg->tdd_table.max_tdd_periodicity_list[nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 0) {
+        check_slot++;
+      }
+    }
+
+    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
+      return (NR_DOWNLINK_SLOT);
+    } else {
+      return (NR_MIXED_SLOT);
+    }
+  } else {
+    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
+      if (cfg->tdd_table.max_tdd_periodicity_list[((1<<mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME) + nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 1) {
+        check_slot++;
+      }
+    }
+
+    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
+      return (NR_UPLINK_SLOT);
+    }
+
+    check_slot = 0;
+
+    for(int symbol_count=0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
+      if (cfg->tdd_table.max_tdd_periodicity_list[((1<<mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME) + nr_tti].max_num_of_symbol_per_slot_list[symbol_count].slot_config == 0) {
+        check_slot++;
+      }
+    }
+
+    if(check_slot == NR_NUMBER_OF_SYMBOLS_PER_SLOT) {
+      return (NR_DOWNLINK_SLOT);
+    } else {
+      return (NR_MIXED_SLOT);
+    }
+  }
+}

openair1/SCHED_NR_UE/phy_procedures_nr_ue.c

@@ -2269,7 +2269,7 @@ void phy_procedures_nrUE_TX(PHY_VARS_NR_UE *ue,
 
   /* RACH */
   if (get_softmodem_params()->do_ra==1) {
-    if ((ue->UE_mode[gNB_id] == PRACH) && (ue->prach_vars[gNB_id]->prach_Config_enabled == 1)) {
+    if ((ue->UE_mode[gNB_id] < PUSCH) && (ue->prach_vars[gNB_id]->prach_Config_enabled == 1)) {
       nr_ue_prach_procedures(ue, proc, gNB_id, mode);
     }
   }
@@ -3289,9 +3289,8 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
   NR_UE_PDSCH *pdsch_vars;
   uint8_t is_cw0_active = 0;
   uint8_t is_cw1_active = 0;
-  uint8_t dmrs_type = dlsch0->harq_processes[harq_pid]->dmrsConfigType;
-  uint8_t nb_re_dmrs = (dmrs_type==NFAPI_NR_DMRS_TYPE1)?6:4; // TODO: should changed my mac
-  uint16_t length_dmrs = 1; //cfg->pdsch_config.dmrs_max_length.value;
+  uint8_t dmrs_type, nb_re_dmrs;
+  uint16_t length_dmrs = 1; 
   uint16_t nb_symb_sch = 9;
   nr_downlink_indication_t dl_indication;
   fapi_nr_rx_indication_t rx_ind;
@@ -3316,6 +3315,13 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue,
   is_cw0_active = dlsch0->harq_processes[harq_pid]->status;
   nb_symb_sch = dlsch0->harq_processes[harq_pid]->nb_symbols;
   start_symbol = dlsch0->harq_processes[harq_pid]->start_symbol;
+  dmrs_type = dlsch0->harq_processes[harq_pid]->dmrsConfigType;
+  if (dmrs_type==NFAPI_NR_DMRS_TYPE1) {
+    nb_re_dmrs = 6*dlsch0->harq_processes[harq_pid]->n_dmrs_cdm_groups;
+  }
+  else {
+    nb_re_dmrs = 4*dlsch0->harq_processes[harq_pid]->n_dmrs_cdm_groups;
+  }
 
   if(dlsch1)
     is_cw1_active = dlsch1->harq_processes[harq_pid]->status;
@@ -4603,6 +4609,8 @@ void nr_ue_prach_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t
 
     if (ue->prach_cnt == 3)
       ue->prach_cnt = 0;
+  } else if (nr_prach == 2) {
+    nr_ra_succeeded(mod_id, ue->CC_id, gNB_id);
   }
 
   // if we're calibrating the PRACH kill the pointer to its resources so that the RA protocol doesn't continue

openair1/SIMULATION/NR_PHY/dlschsim.c

@@ -478,8 +478,9 @@ int main(int argc, char **argv)
 	harq_process->Qm = mod_order;
 	harq_process->rvidx = rvidx;
 	harq_process->R = rate;
-        harq_process->dmrsConfigType = 1;
+	harq_process->dmrsConfigType = NFAPI_NR_DMRS_TYPE1;
 	harq_process->dlDmrsSymbPos = 4;
+	harq_process->n_dmrs_cdm_groups = 1;
 	printf("harq process ue mcs = %d Qm = %d, symb %d\n", harq_process->mcs, harq_process->Qm, nb_symb_sch);
 	unsigned char *test_input;
 	test_input = (unsigned char *) malloc16(sizeof(unsigned char) * TBS / 8);

openair1/SIMULATION/NR_PHY/ulsim.c

@@ -678,7 +678,8 @@ int main(int argc, char **argv)
       scheduled_response.slot = slot;
       scheduled_response.dl_config = NULL;
       scheduled_response.ul_config = &ul_config;
-      scheduled_response.dl_config = NULL;
+      scheduled_response.tx_request = (fapi_nr_tx_request_t *) malloc(sizeof(fapi_nr_tx_request_t));
+      scheduled_response.tx_request->tx_request_body = (fapi_nr_tx_request_body_t *) malloc(sizeof(fapi_nr_tx_request_body_t));
 
       ul_config.slot = slot;
       ul_config.number_pdus = 1;

openair2/LAYER2/MAC/eNB_scheduler_fairRR.c

@@ -2240,7 +2240,7 @@ void ulsch_scheduler_pre_ue_select_fairRR(
   uint8_t first_ue_total[MAX_NUM_CCs][20];
   uint8_t first_ue_id[MAX_NUM_CCs][20];
   uint8_t ul_inactivity_num[MAX_NUM_CCs];
-  uint8_t ul_inactivity_id[MAX_NUM_CCs][20]={0};
+  uint8_t ul_inactivity_id[MAX_NUM_CCs][20]={{0}};
   //  LTE_DL_FRAME_PARMS *frame_parms;
   uint8_t ulsch_ue_max_num[MAX_NUM_CCs];
   uint16_t saved_ulsch_dci[MAX_NUM_CCs];

openair2/LAYER2/NR_MAC_UE/config_ue.c

@@ -34,7 +34,6 @@
 #include "NR_MAC_UE/mac_proto.h"
 #include "NR_MAC-CellGroupConfig.h"
 #include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
-#include "SCHED_NR/phy_frame_config_nr.h"
 
 int set_tdd_config_nr_ue(fapi_nr_config_request_t *cfg,
                          int mu,
@@ -326,6 +325,84 @@ void config_common_ue(NR_UE_MAC_INST_t *mac,
 
 }
 
+/** \brief This function is relavant for the UE procedures for control. It loads the search spaces, the BWPs and the CORESETs into the MAC instance and
+    \brief performs assert checks on the relevant RRC configuration.
+    @param NR_UE_MAC_INST_t mac: pointer to local MAC instance
+    @returns void
+    */
+void config_control_ue(NR_UE_MAC_INST_t *mac){
+
+  uint8_t bwp_id = 1, coreset_id = 1, ss_id;
+  NR_ServingCellConfig_t *scd = mac->scg->spCellConfig->spCellConfigDedicated;
+  AssertFatal(scd->downlinkBWP_ToAddModList != NULL, "downlinkBWP_ToAddModList is null\n");
+  AssertFatal(scd->downlinkBWP_ToAddModList->list.count == 1, "downlinkBWP_ToAddModList->list->count is %d\n", scd->downlinkBWP_ToAddModList->list.count);
+
+  NR_BWP_DownlinkCommon_t *bwp_Common = scd->downlinkBWP_ToAddModList->list.array[bwp_id - 1]->bwp_Common;
+  AssertFatal(bwp_Common != NULL, "bwp_Common is null\n");
+
+  NR_BWP_DownlinkDedicated_t *dl_bwp_Dedicated = scd->downlinkBWP_ToAddModList->list.array[bwp_id - 1]->bwp_Dedicated;
+  AssertFatal(dl_bwp_Dedicated != NULL, "dl_bwp_Dedicated is null\n");
+
+  NR_SetupRelease_PDCCH_Config_t *pdcch_Config = dl_bwp_Dedicated->pdcch_Config;
+  AssertFatal(pdcch_Config != NULL, "pdcch_Config is null\n");
+
+  NR_SetupRelease_PDCCH_ConfigCommon_t *pdcch_ConfigCommon = bwp_Common->pdcch_ConfigCommon;
+  AssertFatal(pdcch_ConfigCommon != NULL, "pdcch_ConfigCommon is null\n");
+  AssertFatal(pdcch_ConfigCommon->choice.setup->ra_SearchSpace != NULL, "ra_SearchSpace must be available in DL BWP\n");
+
+  struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList = pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
+  AssertFatal(commonSearchSpaceList != NULL, "commonSearchSpaceList is null\n");
+  AssertFatal(commonSearchSpaceList->list.count > 0, "PDCCH CSS list has 0 elements\n");
+
+  struct NR_PDCCH_Config__controlResourceSetToAddModList *controlResourceSetToAddModList = pdcch_Config->choice.setup->controlResourceSetToAddModList;
+  AssertFatal(controlResourceSetToAddModList != NULL, "controlResourceSetToAddModList is null\n");
+  AssertFatal(controlResourceSetToAddModList->list.count == 1, "controlResourceSetToAddModList->list.count=%d\n", controlResourceSetToAddModList->list.count);
+  AssertFatal(controlResourceSetToAddModList->list.array[0] != NULL, "coreset[0][0] is null\n");
+
+  struct NR_PDCCH_Config__searchSpacesToAddModList *searchSpacesToAddModList = pdcch_Config->choice.setup->searchSpacesToAddModList;
+  AssertFatal(searchSpacesToAddModList != NULL, "searchSpacesToAddModList is null\n");
+  AssertFatal(searchSpacesToAddModList->list.count > 0, "list of UE specifically configured Search Spaces is empty\n");
+  AssertFatal(searchSpacesToAddModList->list.count < FAPI_NR_MAX_SS_PER_CORESET, "too many searchpaces per coreset %d\n", searchSpacesToAddModList->list.count);
+
+  struct NR_UplinkConfig__uplinkBWP_ToAddModList *uplinkBWP_ToAddModList = scd->uplinkConfig->uplinkBWP_ToAddModList;
+  AssertFatal(uplinkBWP_ToAddModList != NULL, "uplinkBWP_ToAddModList is null\n");
+  AssertFatal(uplinkBWP_ToAddModList->list.count == 1, "uplinkBWP_ToAddModList->list->count is %d\n", uplinkBWP_ToAddModList->list.count);
+
+  // check pdcch_Config, pdcch_ConfigCommon and DL BWP
+  mac->DLbwp[0] = scd->downlinkBWP_ToAddModList->list.array[bwp_id - 1];
+  mac->coreset[bwp_id - 1][coreset_id - 1] = controlResourceSetToAddModList->list.array[0];
+
+  // Check dedicated UL BWP and pass to MAC
+  mac->ULbwp[0] = uplinkBWP_ToAddModList->list.array[0];
+  AssertFatal(mac->ULbwp[0]->bwp_Dedicated != NULL, "UL bwp_Dedicated is null\n");
+
+  // check available Search Spaces in the searchSpacesToAddModList and pass to MAC
+  // note: the network configures at most 10 Search Spaces per BWP per cell (including UE-specific and common Search Spaces).
+  for (ss_id = 0; ss_id < searchSpacesToAddModList->list.count; ss_id++) {
+    NR_SearchSpace_t *ss = searchSpacesToAddModList->list.array[ss_id];
+    AssertFatal(ss->controlResourceSetId != NULL, "ss->controlResourceSetId is null\n");
+    AssertFatal(ss->searchSpaceType != NULL, "ss->searchSpaceType is null\n");
+    AssertFatal(*ss->controlResourceSetId == mac->coreset[bwp_id - 1][coreset_id - 1]->controlResourceSetId, "ss->controlResourceSetId is unknown\n");
+    AssertFatal(ss->monitoringSymbolsWithinSlot != NULL, "NR_SearchSpace->monitoringSymbolsWithinSlot is null\n");
+    AssertFatal(ss->monitoringSymbolsWithinSlot->buf != NULL, "NR_SearchSpace->monitoringSymbolsWithinSlot->buf is null\n");
+    mac->SSpace[0][0][ss_id] = ss;
+  }
+
+  // Check available CSSs in the commonSearchSpaceList (list of additional common search spaces)
+  // note: commonSearchSpaceList SIZE(1..4)
+  for (int css_id = 0; css_id < commonSearchSpaceList->list.count; css_id++) {
+    NR_SearchSpace_t *css = commonSearchSpaceList->list.array[css_id];
+    AssertFatal(css->controlResourceSetId != NULL, "ss->controlResourceSetId is null\n");
+    AssertFatal(*css->controlResourceSetId == mac->coreset[bwp_id - 1][coreset_id - 1]->controlResourceSetId, "ss->controlResourceSetId is unknown\n");
+    AssertFatal(css->searchSpaceId != 0, "css->searchSpaceId is 0\n");
+    AssertFatal(css->searchSpaceType != NULL, "css->searchSpaceType is null\n");
+    AssertFatal(css->monitoringSymbolsWithinSlot != NULL, "css->monitoringSymbolsWithinSlot is null\n");
+    AssertFatal(css->monitoringSymbolsWithinSlot->buf != NULL, "css->monitoringSymbolsWithinSlot->buf is null\n");
+    mac->SSpace[0][0][ss_id] = css;
+    ss_id++;
+  }
+}
+
 int nr_rrc_mac_config_req_ue(
     module_id_t                     module_id,
     int                             cc_idP,
@@ -338,16 +415,16 @@ int nr_rrc_mac_config_req_ue(
 
     NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
 
-    //    NR_ServingCellConfig_t *serving_cell_config = spcell_configP->spCellConfigDedicated;
     //  TODO do something FAPI-like P5 L1/L2 config interface in config_si, config_mib, etc.
 
-
     if(mibP != NULL){
       mac->mib = mibP;    //  update by every reception
     }
 
     if(cell_group_config != NULL ){
+      mac->scg = cell_group_config;
       mac->servCellIndex = *cell_group_config->spCellConfig->servCellIndex;
+      config_control_ue(mac);
       if (cell_group_config->spCellConfig->reconfigurationWithSync) {
         mac->rach_ConfigDedicated = cell_group_config->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink;
 	mac->scc = cell_group_config->spCellConfig->reconfigurationWithSync->spCellConfigCommon;
@@ -355,7 +432,6 @@ int nr_rrc_mac_config_req_ue(
 	mac->crnti = cell_group_config->spCellConfig->reconfigurationWithSync->newUE_Identity;
 	LOG_I(MAC,"Configuring CRNTI %x\n",mac->crnti);
       }
-      mac->scg = cell_group_config;
 
       /*      
       if(mac_cell_group_configP != NULL){
@@ -420,8 +496,8 @@ int nr_rrc_mac_config_req_ue(
 	}
       }
       */
-    }   
-    
+    }
+
     return 0;
 
 }

openair2/LAYER2/NR_MAC_UE/mac_defs.h

@@ -178,7 +178,6 @@ typedef struct {
   SFN_C_TYPE type0_pdcch_ss_sfn_c;
   uint32_t type0_pdcch_ss_n_c;
   uint32_t type0_pdcch_consecutive_slots;
-  int rnti_type;
 
   /* PDUs */
   /// Outgoing CCCH pdu for PHY
@@ -222,11 +221,6 @@ typedef struct {
   uint32_t RA_tx_frame;
   /// Random-access variable for window calculation (subframe of last change in window counter)
   uint8_t RA_tx_subframe;
-  /// Scheduled RX frame for RA Msg2
-  uint16_t msg2_rx_frame;
-  /// Scheduled RX slot for RA Msg2
-  uint16_t msg2_rx_slot;
-  /// Random-access Group B maximum path-loss
   /// Random-access variable for backoff (frame of last change in backoff counter)
   uint32_t RA_backoff_frame;
   /// Random-access variable for backoff (subframe of last change in backoff counter)

openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c

@@ -62,9 +62,8 @@
 #include "NR_MAC_COMMON/nr_mac.h"
 #include "LAYER2/NR_MAC_UE/mac_proto.h"
 
-extern int64_t table_6_3_3_2_2_prachConfig_Index [256][9];
 extern int64_t table_6_3_3_2_3_prachConfig_Index [256][9];
-extern const uint16_t nr_slots_per_frame[5];
+extern const uint8_t nr_slots_per_frame[5];
 
 //extern uint8_t  nfapi_mode;
 
@@ -364,7 +363,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
 
   AssertFatal(CC_id == 0,"Transmission on secondary CCs is not supported yet\n");
 
-  if (UE_mode == PRACH && prach_resources->init_msg1) {
+  if (UE_mode < PUSCH && prach_resources->init_msg1) {
 
     LOG_D(MAC, "nr_ue_get_rach, RA_active value: %d", mac->RA_active);
 
@@ -449,7 +448,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
         nr_get_RA_window(mac);
 
         // Fill in preamble and PRACH resources
-        if (mac->generate_nr_prach)
+        if (mac->generate_nr_prach == 1)
           nr_get_prach_resources(mod_id, CC_id, gNB_id, nr_tti_tx, 1, prach_resources, rach_ConfigDedicated);
 
         offset = nr_generate_ulsch_pdu((uint8_t *) mac_sdus,              // sdus buffer
@@ -471,7 +470,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
             payload[offset + j] = 0; // mac_pdu[offset + j] = 0;
         }
       } 
-    } else { // RACH is active
+    } else if (mac->RA_window_cnt != -1) { // RACH is active
 
       ////////////////////////////////////////////////////////////////
       /////* Random Access Response reception (5.1.4 TS 38.321) */////
@@ -482,7 +481,6 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
       // - handle beam failure recovery request
       // - handle DL assignment on PDCCH for RA-RNTI
       // - handle backoff and raResponseWindow params
-      // - disabled contention resolution as OAI NSA is contention-free based
 
       // LOG_D(MAC, "[MAC][UE %d][RAPROC] frame %d, subframe %d: RA Active, window cnt %d (RA_tx_frame %d, RA_tx_subframe %d)\n",
       //   mod_id, frame, nr_tti_tx, mac->RA_window_cnt, mac->RA_tx_frame, mac->RA_tx_subframe);
@@ -495,12 +493,13 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
 
       if (mac->RA_window_cnt >= 0 && mac->RA_RAPID_found == 1) {
 
-        // mac->ra_state = WAIT_CONTENTION_RESOLUTION;
-        LOG_I(MAC, "[MAC][UE %d][RAPROC] Frame %d: subframe %d: RAR successfully received \n", mod_id, frame, nr_tti_tx);
+        mac->RA_window_cnt = -1;
+        mac->ra_state = RA_SUCCEEDED;
+        LOG_I(MAC, "[MAC][UE %d][RAPROC] Frame %d: nr_tti_tx %d: RAR successfully received \n", mod_id, frame, nr_tti_tx);
 
       } else if (mac->RA_window_cnt == 0 && !mac->RA_RAPID_found) {
 
-        LOG_I(MAC, "[MAC][UE %d][RAPROC] Frame %d: subframe %d: RAR reception failed \n", mod_id, frame, nr_tti_tx);
+        LOG_I(MAC, "[MAC][UE %d][RAPROC] Frame %d: nr_tti_tx %d: RAR reception failed \n", mod_id, frame, nr_tti_tx);
 
         mac->ra_state = RA_UE_IDLE;
         mac->RA_PREAMBLE_TRANSMISSION_COUNTER++;
@@ -572,21 +571,21 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
         // mac->RA_tx_subframe = nr_tti_tx;
 
         // Fill in preamble and PRACH resources
-        if (mac->generate_nr_prach)
+        if (mac->generate_nr_prach == 1)
           nr_get_prach_resources(mod_id, CC_id, gNB_id, nr_tti_tx, 0, prach_resources, rach_ConfigDedicated);
 
       } else {
 
         mac->RA_window_cnt--;
 
-        LOG_I(MAC, "[MAC][UE %d][RAPROC] Frame %d: subframe %d: RAR reception not successful, (RA window count %d) \n",
+        LOG_I(MAC, "[MAC][UE %d][RAPROC] Frame %d: nr_tti_tx %d: RAR reception not successful, (RA window count %d) \n",
           mod_id,
           frame,
           nr_tti_tx,
           mac->RA_window_cnt);
 
         // Fill in preamble and PRACH resources
-        if (mac->generate_nr_prach)
+        if (mac->generate_nr_prach == 1)
           nr_get_prach_resources(mod_id, CC_id, gNB_id, nr_tti_tx, 0, prach_resources, rach_ConfigDedicated);
 
       }
@@ -616,28 +615,28 @@ void nr_get_RA_window(NR_UE_MAC_INST_t *mac){
   mac->RA_window_cnt = mac->RA_offset*nr_slots_per_frame[mu]; // taking into account the 2 frames gap introduced by OAI gNB
 
   switch (ra_ResponseWindow) {
-    case 0:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl1:
       mac->RA_window_cnt += 1;
       break;
-    case 1:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl2:
       mac->RA_window_cnt += 2;
       break;
-    case 2:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl4:
       mac->RA_window_cnt += 4;
       break;
-    case 3:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl8:
       mac->RA_window_cnt += 8;
       break;
-    case 4:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl10:
       mac->RA_window_cnt += 10;
       break;
-    case 5:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl20:
       mac->RA_window_cnt += 20;
       break;
-    case 6:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl40:
       mac->RA_window_cnt += 40;
       break;
-    case 7:
+    case NR_RACH_ConfigGeneric__ra_ResponseWindow_sl80:
       mac->RA_window_cnt += 80;
       break;
   }

openair2/LAYER2/NR_MAC_UE/rar_tools_nrUE.c

@@ -107,9 +107,10 @@ uint16_t nr_ue_process_rar(module_id_t mod_id,
     uint8_t n_subPDUs = 0;        // number of RAR payloads
     uint8_t n_subheaders = 0;     // number of MAC RAR subheaders
     //uint8_t best_rx_rapid = -1;   // the closest RAPID receive from all RARs
-    unsigned char freq_hopping, msg3_t_alloc, mcs, tpc_command, csi_req;
-    uint16_t ta_command = 0, msg3_f_alloc, bwp_size;
-    int f_alloc, mask;
+    //unsigned char freq_hopping, msg3_t_alloc, mcs, tpc_command, csi_req; // WIP
+    //uint16_t ta_command = 0, msg3_f_alloc, bwp_size; // WIP
+    uint16_t ta_command = 0;
+    //int f_alloc, mask; // WIP
 
     AssertFatal(CC_id == 0, "RAR reception on secondary CCs is not supported yet\n");
 
@@ -143,6 +144,7 @@ uint16_t nr_ue_process_rar(module_id_t mod_id,
     // LOG_I(MAC, "[UE %d][RAPROC] Frame %d Received RAR (%02x|%02x.%02x.%02x.%02x.%02x.%02x) for preamble %d/%d\n",
     //   mod_id, frameP, *(uint8_t *) rarh, rar[0], rar[1], rar[2], rar[3], rar[4], rar[5], rarh->RAPID, preamble_index);
 
+    #if 0 // TbD WIP Msg3 development ongoing
     if (ue_mac->RA_RAPID_found) {
       // TC-RNTI
       *t_crnti = rar->TCRNTI_2 + (rar->TCRNTI_1 << 8);
@@ -200,6 +202,7 @@ uint16_t nr_ue_process_rar(module_id_t mod_id,
       ue_mac->t_crnti = 0;
       ta_command = (0xffff);
     }
+    #endif
 
     // move the selected RAR to the front of the RA_PDSCH buffer
     memcpy((void *) (selected_rar_buffer + 0), (void *) rarh, 1);

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c

@@ -42,8 +42,7 @@
 #include "SIMULATION/TOOLS/sim.h" // for taus
 
 extern RAN_CONTEXT_t RC;
-
-const uint8_t nr_slots_per_frame_mac[5] = {10, 20, 40, 80, 160};
+extern const uint8_t nr_slots_per_frame[5];
 
 uint8_t DELTA[4]= {2,3,4,6};
 
@@ -185,7 +184,7 @@ void nr_schedule_msg2(uint16_t rach_frame, uint16_t rach_slot,
     tdd_period_slot++;
 
   // computing start of next period
-  uint8_t start_next_period = (rach_slot-(rach_slot%tdd_period_slot)+tdd_period_slot)%nr_slots_per_frame_mac[mu];
+  uint8_t start_next_period = (rach_slot-(rach_slot%tdd_period_slot)+tdd_period_slot)%nr_slots_per_frame[mu];
   *msg2_slot = start_next_period + last_dl_slot_period; // initializing scheduling of slot to next mixed (or last dl) slot
   *msg2_frame = (*msg2_slot>(rach_slot))? rach_frame : (rach_frame +1);
 
@@ -217,16 +216,16 @@ void nr_schedule_msg2(uint16_t rach_frame, uint16_t rach_slot,
     default:
       AssertFatal(1==0,"Invalid response window value %d\n",response_window);
   }
-  AssertFatal(slot_window<=nr_slots_per_frame_mac[mu],"Msg2 response window needs to be lower or equal to 10ms");
+  AssertFatal(slot_window<=nr_slots_per_frame[mu],"Msg2 response window needs to be lower or equal to 10ms");
 
   // slot and frame limit to transmit msg2 according to response window
-  uint8_t slot_limit = (rach_slot + slot_window)%nr_slots_per_frame_mac[mu];
+  uint8_t slot_limit = (rach_slot + slot_window)%nr_slots_per_frame[mu];
   //uint8_t frame_limit = (slot_limit>(rach_slot))? rach_frame : (rach_frame +1);
 
 
   // go to previous slot if the current scheduled slot is beyond the response window
   // and if the slot is not among the PDCCH monitored ones (38.213 10.1)
-  while ((*msg2_slot>slot_limit) || ((*msg2_frame*nr_slots_per_frame_mac[mu]+*msg2_slot-monitoring_offset)%monitoring_slot_period !=0))  {
+  while ((*msg2_slot>slot_limit) || ((*msg2_frame*nr_slots_per_frame[mu]+*msg2_slot-monitoring_offset)%monitoring_slot_period !=0))  {
     if((*msg2_slot%tdd_period_slot) > 0)
       (*msg2_slot)--;
     else
@@ -397,11 +396,11 @@ void nr_get_Msg3alloc(NR_ServingCellConfigCommon_t *scc,
   uint8_t k2 = *ubwp->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.array[ra->Msg3_tda_id]->k2;
 
   temp_slot = current_slot + k2 + DELTA[mu]; // msg3 slot according to 8.3 in 38.213
-  ra->Msg3_slot = temp_slot%nr_slots_per_frame_mac[mu];
-  if (nr_slots_per_frame_mac[mu]>temp_slot)
+  ra->Msg3_slot = temp_slot%nr_slots_per_frame[mu];
+  if (nr_slots_per_frame[mu]>temp_slot)
     ra->Msg3_frame = current_frame;
   else
-    ra->Msg3_frame = current_frame + (temp_slot/nr_slots_per_frame_mac[mu]);
+    ra->Msg3_frame = current_frame + (temp_slot/nr_slots_per_frame[mu]);
 
   ra->msg3_nb_rb = 18;
   ra->msg3_first_rb = 0;
@@ -601,7 +600,11 @@ void nr_generate_Msg2(module_id_t module_idP,
 
     LOG_D(MAC, "[RAPROC] Scheduling common search space DCI type 1 dlBWP BW %d\n", dci10_bw);
 
-    mcsIndex = 0; // Qm>2 not allowed for RAR
+    // Qm>2 not allowed for RAR
+    if (get_softmodem_params()->do_ra)
+      mcsIndex = 9;
+    else
+      mcsIndex = 0;
 
     pdsch_pdu_rel15->pduBitmap = 0;
     pdsch_pdu_rel15->rnti = RA_rnti;

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c

@@ -954,11 +954,10 @@ void nr_schedule_uss_ulsch_phytest(int Mod_idP,
     pusch_pdu->pusch_ptrs.ptrs_ports_list   = (nfapi_nr_ptrs_ports_t *) malloc(2*sizeof(nfapi_nr_ptrs_ports_t));
     pusch_pdu->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset = 0;
 
-    pusch_pdu->pdu_bit_map &= PUSCH_PDU_BITMAP_PUSCH_PTRS; // enable PUSCH PTRS
+    pusch_pdu->pdu_bit_map |= PUSCH_PDU_BITMAP_PUSCH_PTRS; // enable PUSCH PTRS
   }
   else{
-//    if(1<<pusch_pdu->pusch_ptrs.ptrs_time_density >= pusch_pdu->nr_of_symbols)
-      pusch_pdu->pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS
+    pusch_pdu->pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS
   }
 
   // --------------------------------------------------------------------------------------------------------------------------------------------

openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c

@@ -117,13 +117,6 @@ int nr_ue_ul_indication(nr_uplink_indication_t *ul_info){
 
   if (is_nr_UL_slot(mac->scc, ul_info->slot_tx) && get_softmodem_params()->do_ra){
     nr_ue_prach_scheduler(module_id, ul_info->frame_tx, ul_info->slot_tx);
-    if (mac->generate_nr_prach){
-      //uint16_t monitoring_slot_period, monitoring_offset;
-      uint16_t rach_frame = mac->scheduled_response.ul_config->sfn;
-      uint16_t rx_rach_frame = (rach_frame + mac->RA_offset) % MAX_FRAME_NUMBER; // compensate 2 frames offset delay at gNB side
-      uint16_t rach_slot  = mac->scheduled_response.ul_config->slot;
-      nr_ue_msg2_scheduler(module_id, rx_rach_frame, rach_slot, &mac->msg2_rx_frame, &mac->msg2_rx_slot);
-    }
   }
 
   switch(ret){
@@ -154,7 +147,7 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info, NR_UL_TIME_ALIGNMENT_
   fapi_nr_ul_config_request_t *ul_config = &mac->ul_config_request;
 
   if (!dl_info->dci_ind && !dl_info->rx_ind) {
-    // UL indication to schedule reception DCI reception
+    // UL indication to schedule DCI reception
     nr_ue_scheduler(dl_info, NULL);
   } else {
     // UL indication after reception of DCI or DL PDU

targets/ARCH/rfsimulator/simulator.c

@@ -705,7 +705,8 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
         random_channel(ptr->channel_model,0);
       if (t->poll_telnetcmdq)
       	  t->poll_telnetcmdq(t->telnetcmd_qid,t);
-      for (int a=0; a<nbAnt; a++) {
+
+      for (int a=0; a<nbAnt; a++) {//loop over number of Rx antennas
         if ( ptr->channel_model != NULL ) // apply a channel model
           rxAddInput( ptr->circularBuf, (struct complex16 *) samplesVoid[a],
                       a,
@@ -716,15 +717,16 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
                     );
         else { // no channel modeling
           sample_t *out=(sample_t *)samplesVoid[a];
-          const int64_t base=t->nextTimestamp*nbAnt+a;
-
-          for ( int i=0; i < nsamps; i++ ) {
-	    const int idx=(i*nbAnt+base)%CirSize;
-            out[i].r+=ptr->circularBuf[idx].r;
-            out[i].i+=ptr->circularBuf[idx].i;
-          }
+          int nbAnt_tx = ptr->th.nbAnt;//number of Tx antennas
+          //LOG_I(HW, "nbAnt_tx %d\n",nbAnt_tx);
+          for (int i=0; i < nsamps; i++) {//loop over nsamps
+        	  for (int a_tx=0; a_tx<nbAnt_tx; a_tx++){//sum up signals from nbAnt_tx antennas
+        		  out[i].r+=ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].r;
+        		  out[i].i+=ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].i;
+        	  } // end for a_tx
+          } // end for i (number of samps)
         } // end of no channel modeling
-      } // end for a...
+      } // end for a (number of rx antennas)
     }
   }
 

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf

@@ -248,7 +248,9 @@ RUs = (
          max_pdschReferenceSignalPower = -27;
          max_rxgain                    = 114;
          eNB_instances  = [0];
-	 sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2,second_addr=192.168.20.2";
+         #beamforming 1x4 matrix:
+         bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000];
+         sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2,second_addr=192.168.20.2";
          clock_src = "external";
     }
 );  

targets/RT/USER/lte-softmodem.c

@@ -438,9 +438,6 @@ int restart_L1L2(module_id_t enb_id) {
   }
 
   RC.ru_mask |= (1 << ru->idx);
-  /* copy the changed frame parameters to the RU */
-  /* TODO this should be done for all RUs associated to this eNB */
-  memcpy(&ru->frame_parms, &RC.eNB[enb_id][0]->frame_parms, sizeof(LTE_DL_FRAME_PARMS));
   set_function_spec_param(RC.ru[enb_id]);
   /* reset the list of connected UEs in the MAC, since in this process with
    * loose all UEs (have to reconnect) */