Merge remote-tracking branch 'origin/NR_FR2_RA' into integration_2021_wk02

openair1/PHY/INIT/nr_init.c

@@ -134,6 +134,7 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
   nr_generate_modulation_table();
   nr_init_pdcch_dmrs(gNB, cfg->cell_config.phy_cell_id.value);
   nr_init_pbch_interleaver(gNB->nr_pbch_interleaver);
+
   //PDSCH DMRS init
   gNB->nr_gold_pdsch_dmrs = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
   uint32_t ****pdsch_dmrs             = gNB->nr_gold_pdsch_dmrs;

openair1/PHY/INIT/nr_init_ue.c

@@ -586,6 +586,40 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
     }
   }
 
+  //PDCCH DMRS init (eNB offset = 0)
+  ue->nr_gold_pdcch[0] = (uint32_t ***)malloc16(fp->slots_per_frame*sizeof(uint32_t **));
+  uint32_t ***pdcch_dmrs = ue->nr_gold_pdcch[0];
+  AssertFatal(pdcch_dmrs!=NULL, "NR init: pdcch_dmrs malloc failed\n");
+
+  for (int slot=0; slot<fp->slots_per_frame; slot++) {
+    pdcch_dmrs[slot] = (uint32_t **)malloc16(fp->symbols_per_slot*sizeof(uint32_t *));
+    AssertFatal(pdcch_dmrs[slot]!=NULL, "NR init: pdcch_dmrs for slot %d - malloc failed\n", slot);
+
+    for (int symb=0; symb<fp->symbols_per_slot; symb++) {
+      pdcch_dmrs[slot][symb] = (uint32_t *)malloc16(NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
+      AssertFatal(pdcch_dmrs[slot][symb]!=NULL, "NR init: pdcch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
+    }
+  }
+
+  //PDSCH DMRS init (eNB offset = 0)
+  ue->nr_gold_pdsch[0] = (uint32_t ****)malloc16(fp->slots_per_frame*sizeof(uint32_t ***));
+  uint32_t ****pdsch_dmrs = ue->nr_gold_pdsch[0];
+
+  for (int slot=0; slot<fp->slots_per_frame; slot++) {
+    pdsch_dmrs[slot] = (uint32_t ***)malloc16(fp->symbols_per_slot*sizeof(uint32_t **));
+    AssertFatal(pdsch_dmrs[slot]!=NULL, "NR init: pdsch_dmrs for slot %d - malloc failed\n", slot);
+
+    for (int symb=0; symb<fp->symbols_per_slot; symb++) {
+      pdsch_dmrs[slot][symb] = (uint32_t **)malloc16(NR_MAX_NB_CODEWORDS*sizeof(uint32_t *));
+      AssertFatal(pdsch_dmrs[slot][symb]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d - malloc failed\n", slot, symb);
+
+      for (int q=0; q<NR_MAX_NB_CODEWORDS; q++) {
+        pdsch_dmrs[slot][symb][q] = (uint32_t *)malloc16(NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD*sizeof(uint32_t));
+        AssertFatal(pdsch_dmrs[slot][symb][q]!=NULL, "NR init: pdsch_dmrs for slot %d symbol %d codeword %d - malloc failed\n", slot, symb, q);
+      }
+    }
+  }
+
   // DLSCH
   for (eNB_id=0; eNB_id<ue->n_connected_eNB; eNB_id++) {
     for (th_id=0; th_id<RX_NB_TH_MAX; th_id++) {

openair1/PHY/NR_REFSIG/nr_gold_ue.c

@@ -26,6 +26,7 @@ void nr_gold_pbch(PHY_VARS_NR_UE* ue)
   unsigned int n, x1, x2;
   unsigned int Nid, i_ssb, i_ssb2;
   unsigned char Lmax, l, n_hf, N_hf;
+  uint8_t reset;
 
   Nid = ue->frame_parms.Nid_cell;
   Lmax = ue->frame_parms.Lmax;
@@ -37,24 +38,12 @@ void nr_gold_pbch(PHY_VARS_NR_UE* ue)
       i_ssb = l & (Lmax-1);
       i_ssb2 = i_ssb + (n_hf<<2);
 
-      x1 = 1 + (1<<31);
+      reset = 1;
       x2 = (1<<11) * (i_ssb2 + 1) * ((Nid>>2) + 1) + (1<<6) * (i_ssb2 + 1) + (Nid&3);
-      x2 = x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
-
-      // skip first 50 double words (1600 bits)
-      for (n = 1; n < 50; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-      }
 
       for (n=0; n<NR_PBCH_DMRS_LENGTH_DWORD; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-        ue->nr_gold_pbch[n_hf][l][n] = x1 ^ x2;
+        ue->nr_gold_pbch[n_hf][l][n] = lte_gold_generic(&x1, &x2, reset);
+        reset = 0;
       }
 
     }
@@ -69,38 +58,24 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
   unsigned char ns,l;
   unsigned int n,x1,x2,x2tmp0;
   unsigned int nid;
+  uint8_t reset;
 
   if (n_idDMRS)
     nid = n_idDMRS;
   else
     nid = ue->frame_parms.Nid_cell;
 
-    for (ns=0; ns<20; ns++) {
+  for (ns=0; ns<ue->frame_parms.slots_per_frame; ns++) {
 
     for (l=0; l<length_dmrs; l++) {
 
-    	x2tmp0 = ((14*ns+l+1)*((nid<<1)+1))<<17;
+      reset = 1;
+      x2tmp0 = ((ue->frame_parms.symbols_per_slot*ns+l+1)*((nid<<1)+1))<<17;
       x2 = (x2tmp0+(nid<<1))%(1<<31);  //cinit
       
-        x1 = 1+ (1<<31);
-        x2=x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
-
-        // skip first 50 double words (1600 bits)
-        for (n=1; n<50; n++) {
-          x1 = (x1>>1) ^ (x1>>4);
-          x1 = x1 ^ (x1<<31) ^ (x1<<28);
-          x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-          x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-            //printf("x1 : %x, x2 : %x\n",x1,x2);
-        }
-
-        for (n=0; n<52; n++) {
-          x1 = (x1>>1) ^ (x1>>4);
-          x1 = x1 ^ (x1<<31) ^ (x1<<28);
-          x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-          x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-          ue->nr_gold_pdcch[0][ns][l][n] = x1^x2;
-	  // if (ns==1 && l==0) printf("n=%d : c %x\n",n,x1^x2);
+      for (n=0; n<NR_MAX_PDCCH_DMRS_INIT_LENGTH_DWORD; n++) {
+        ue->nr_gold_pdcch[0][ns][l][n] = lte_gold_generic(&x1, &x2, reset);
+        reset = 0;
       }    
     }
   }
@@ -114,6 +89,7 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
   unsigned int n,x1,x2,x2tmp0;
   int nscid;
   unsigned int nid;
+  uint8_t reset;
 
   /// to be updated from higher layer
   //unsigned short lbar = 0;
@@ -126,32 +102,16 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
 
     //printf("gold pdsch nid %d lbar %d\n",nid,lbar);
 
-    for (l=0; l<14; l++) {
-      x2tmp0 = ((14*ns+l+1)*((nid<<1)+1))<<17;
+    for (l=0; l<ue->frame_parms.symbols_per_slot; l++) {
+
+      reset = 1;
+      x2tmp0 = ((ue->frame_parms.symbols_per_slot*ns+l+1)*((nid<<1)+1))<<17;
       x2 = (x2tmp0+(nid<<1)+nscid)%(1<<31);  //cinit
       LOG_D(PHY,"UE DMRS slot %d, symb %d, x2 %x, nscid %d\n",ns,l,x2,nscid);
-      //printf("ns %d gold pdsch x2 %d\n",ns,x2);
-
-      x1 = 1+ (1<<31);
-      x2=x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31);
-
-      // skip first 50 double words (1600 bits)
-      for (n=1; n<50; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-        //printf("x1 : %x, x2 : %x\n",x1,x2);
-      }
 
       for (n=0; n<NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD; n++) {
-        x1 = (x1>>1) ^ (x1>>4);
-        x1 = x1 ^ (x1<<31) ^ (x1<<28);
-        x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4);
-        x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28);
-        ue->nr_gold_pdsch[nscid][ns][l][n] = x1^x2;
-        // if ((ns==2)&&(l==0))
-        //printf("n=%d : c %x\n",n,x1^x2);
+        ue->nr_gold_pdsch[0][ns][l][nscid][n] = lte_gold_generic(&x1, &x2, reset);
+        reset = 0;
       }
     }
   }

openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c

@@ -689,7 +689,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
   uint16_t rb_offset = (bwp_start_subcarrier - ue->frame_parms.first_carrier_offset) / 12;
   uint8_t config_type = ue->dmrs_DownlinkConfig.pdsch_dmrs_type;
   int8_t delta = get_delta(p, config_type);
-  nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][symbol], &pilot[0],1000,0,nb_rb_pdsch+rb_offset);
+  nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][symbol][0], &pilot[0],1000,0,nb_rb_pdsch+rb_offset);
 
   if (config_type == pdsch_dmrs_type1){
     nushift = (p>>1)&1;
@@ -1321,7 +1321,7 @@ void nr_pdsch_ptrs_processing(PHY_VARS_NR_UE *ue,
                                nr_slot_rx,
                                symbol,frame_parms->ofdm_symbol_size,
                                (int16_t*)&pdsch_vars[eNB_id]->rxdataF_comp0[aarx][(symbol * nb_re_pdsch)],
-                               ue->nr_gold_pdsch[eNB_id][nr_slot_rx][symbol],
+                               ue->nr_gold_pdsch[eNB_id][nr_slot_rx][symbol][0],
                                &phase_per_symbol[2* symbol],
                                &ptrs_re_symbol[symbol]);
       }

openair1/PHY/defs_nr_UE.h

@@ -889,7 +889,7 @@ typedef struct {
 
   UE_MODE_t           UE_mode[NUMBER_OF_CONNECTED_gNB_MAX];
   /// cell-specific reference symbols
-  uint32_t lte_gold_table[7][20][2][14];
+  //uint32_t lte_gold_table[7][20][2][14];
 
 #if defined(UPGRADE_RAT_NR)
 
@@ -903,10 +903,10 @@ typedef struct {
   uint32_t nr_gold_pbch[2][64][NR_PBCH_DMRS_LENGTH_DWORD];
 
   /// PDSCH DMRS
-  uint32_t nr_gold_pdsch[2][20][14][NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD];
+  uint32_t ****nr_gold_pdsch[NUMBER_OF_CONNECTED_eNB_MAX];
 
   /// PDCCH DMRS
-  uint32_t nr_gold_pdcch[7][20][3][52];
+  uint32_t ***nr_gold_pdcch[NUMBER_OF_CONNECTED_eNB_MAX];
 
   /// PUSCH DMRS sequence
   uint32_t ****nr_gold_pusch_dmrs;

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c

@@ -974,6 +974,33 @@ int64_t *get_prach_config_info(uint32_t pointa,
   return prach_config_info_p;
 }
 
+void find_aggregation_candidates(uint8_t *aggregation_level,
+                                 uint8_t *nr_of_candidates,
+                                 NR_SearchSpace_t *ss) {
+
+  if (ss->nrofCandidates->aggregationLevel1 != NR_SearchSpace__nrofCandidates__aggregationLevel1_n0) {
+    *aggregation_level = 1;
+    *nr_of_candidates = ss->nrofCandidates->aggregationLevel1;
+  }
+  if (ss->nrofCandidates->aggregationLevel2 != NR_SearchSpace__nrofCandidates__aggregationLevel2_n0) {
+    *aggregation_level = 2;
+    *nr_of_candidates = ss->nrofCandidates->aggregationLevel2;
+  }
+  if (ss->nrofCandidates->aggregationLevel4 != NR_SearchSpace__nrofCandidates__aggregationLevel4_n0) {
+    *aggregation_level = 4;
+    *nr_of_candidates = ss->nrofCandidates->aggregationLevel4;
+  }
+  if (ss->nrofCandidates->aggregationLevel8 != NR_SearchSpace__nrofCandidates__aggregationLevel8_n0) {
+    *aggregation_level = 8;
+    *nr_of_candidates = ss->nrofCandidates->aggregationLevel8;
+  }
+  if (ss->nrofCandidates->aggregationLevel16 != NR_SearchSpace__nrofCandidates__aggregationLevel16_n0) {
+    *aggregation_level = 16;
+    *nr_of_candidates = ss->nrofCandidates->aggregationLevel16;
+  }
+}
+
+
 void find_monitoring_periodicity_offset_common(NR_SearchSpace_t *ss,
                                                uint16_t *slot_period,
                                                uint16_t *offset) {

openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h

@@ -123,6 +123,10 @@ uint16_t nr_dci_size(NR_ServingCellConfigCommon_t *scc,
 		     uint16_t N_RB,
                      int bwp_id);
 
+void find_aggregation_candidates(uint8_t *aggregation_level,
+                                 uint8_t *nr_of_candidates,
+                                 NR_SearchSpace_t *ss);
+
 void find_monitoring_periodicity_offset_common(NR_SearchSpace_t *ss,
                                                uint16_t *slot_period,
                                                uint16_t *offset);

openair2/LAYER2/NR_MAC_UE/config_ue.c

@@ -421,6 +421,8 @@ int nr_rrc_mac_config_req_ue(
       mac->scg = cell_group_config;
       mac->servCellIndex = *cell_group_config->spCellConfig->servCellIndex;
       config_control_ue(mac);
+      mac->msg3_frame = -1; // initialize to an invalid value
+      mac->msg3_slot = -1;
       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;

openair2/LAYER2/NR_MAC_UE/mac_defs.h

@@ -227,9 +227,9 @@ typedef struct {
   /// Random-access variable for window calculation (subframe of last change in window counter)
   uint8_t RA_tx_subframe;
   /// Scheduled TX frame for RA Msg3
-  frame_t msg3_frame;
+  int16_t msg3_frame;
   /// Scheduled TX slot for RA Msg3
-  slot_t msg3_slot;
+  int16_t msg3_slot;
   /// 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)
@@ -250,6 +250,8 @@ typedef struct {
   uint8_t RA_BI_found;
   /// Flag for the Msg1 generation: enabled at every occurrence of nr prach slot
   uint8_t generate_nr_prach;
+  /// SSB index from MIB decoding
+  uint8_t mib_ssb;
 
   ////	FAPI-like interface message
   fapi_nr_ul_config_request_t *ul_config_request;

openair2/LAYER2/NR_MAC_UE/main_ue_nr.c

@@ -52,7 +52,6 @@ NR_UE_MAC_INST_t * nr_l2_init_ue(NR_UE_RRC_INST_t* rrc_inst)
     nr_ue_mac_inst = (NR_UE_MAC_INST_t *)calloc(sizeof(NR_UE_MAC_INST_t),NB_NR_UE_MAC_INST);
     if (rrc_inst) {
       nr_rrc_mac_config_req_ue(0,0,0,NULL,rrc_inst->cell_group_config);
-      
       if (IS_SOFTMODEM_NOS1){
         AssertFatal(rlc_module_init(0) == 0, "%s: Could not initialize RLC layer\n", __FUNCTION__);
         pdcp_layer_init();

openair2/LAYER2/NR_MAC_UE/nr_ra_procedures.c

@@ -559,7 +559,7 @@ uint8_t nr_ue_get_rach(NR_PRACH_RESOURCES_t *prach_resources,
         mac->RA_window_cnt = -1;
         mac->ra_state = RA_SUCCEEDED;
         mac->generate_nr_prach = 2;
-        LOG_I(MAC, "[MAC][UE %d][RAPROC]: RAR successfully received \n", mod_id);
+        LOG_I(MAC, "[MAC][UE %d][RAPROC]: frame %d slot %d RAR successfully received\n", mod_id, frame, nr_slot_tx);
 
       } else if (mac->RA_window_cnt == 0 && !mac->RA_RAPID_found) {
 

openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c

@@ -54,16 +54,15 @@ void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pd
 
   LOG_D(MAC,"Filling search candidates for DCI\n");
 
-  rel15->number_of_candidates=4;
-  rel15->CCE[0]=0;
-  rel15->L[0]=4;
-  rel15->CCE[1]=4;
-  rel15->L[1]=4;
-  rel15->CCE[2]=8;
-  rel15->L[2]=4;
-  rel15->CCE[3]=12;
-  rel15->L[3]=4;
+  uint8_t aggregation;
+  find_aggregation_candidates(&aggregation,
+                              &rel15->number_of_candidates,
+                              ss);
 
+  for (int i=0; i<rel15->number_of_candidates; i++) {
+    rel15->CCE[i] = i*aggregation;
+    rel15->L[i] = aggregation;
+  }
 }
 
 void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15, fapi_nr_dl_config_request_t *dl_config, int rnti_type, int ss_id){

openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c

@@ -993,7 +993,10 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
   LOG_D(MAC,"cell barred (0=barred,1=notBarred): %d\n", (int)mac->mib->cellBarred);
   LOG_D(MAC,"intra frequency reselection (0=allowed,1=notAllowed): %d\n", (int)mac->mib->intraFreqReselection);
   LOG_D(MAC,"half frame bit(extra bits):    %d\n", (int)half_frame_bit);
-  LOG_D(MAC,"ssb index(extra bits):         %d\n", (int)ssb_index);
+  LOG_I(MAC,"ssb index(extra bits):         %d\n", (int)ssb_index);
+
+  //storing ssb index in the mac structure
+  mac->mib_ssb = ssb_index;
 
   subcarrier_spacing_t scs_ssb = scs_30kHz;      //  default for 
   //const uint32_t scs_index = 0;
@@ -1661,7 +1664,7 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in
 
       NR_UE_MAC_INST_t *mac = get_mac_inst(ul_info->module_id);
 
-      if (mac->RA_active && ul_info->slot_tx == mac->msg3_slot && ul_info->frame_tx == mac->msg3_frame){
+      if (ul_info->slot_tx == mac->msg3_slot && ul_info->frame_tx == mac->msg3_frame){
 
         uint8_t ulsch_input_buffer[MAX_ULSCH_PAYLOAD_BYTES];
         nr_scheduled_response_t scheduled_response;
@@ -1698,7 +1701,7 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in
           }
         //}
 
-        LOG_D(MAC, "[UE %d] Frame %d, Subframe %d Adding Msg3 UL Config Request for rnti: %x\n",
+        LOG_I(MAC, "[UE %d] Frame %d, Subframe %d Adding Msg3 UL Config Request for rnti: %x\n",
           ul_info->module_id,
           ul_info->frame_tx,
           ul_info->slot_tx,
@@ -1718,6 +1721,8 @@ NR_UE_L2_STATE_t nr_ue_scheduler(nr_downlink_indication_t *dl_info, nr_uplink_in
         if(mac->if_module != NULL && mac->if_module->scheduled_response != NULL){
           mac->if_module->scheduled_response(&scheduled_response);
         }
+        mac->msg3_frame = -1; // re-initialize to an invalid value after scheduling
+        mac->msg3_slot = -1;
       }
     }
   }
@@ -1760,9 +1765,7 @@ void nr_ue_msg3_scheduler(NR_UE_MAC_INST_t *mac,
   else
     mac->msg3_frame = current_frame;
 
-  #ifdef DEBUG_MSG3
   LOG_D(MAC, "[DEBUG_MSG3] current_slot %d k2 %d delta %d temp_slot %d mac->msg3_frame %d mac->msg3_slot %d \n", current_slot, k2, delta, current_slot + k2 + delta, mac->msg3_frame, mac->msg3_slot);
-  #endif
 }
 
 // This function schedules the PRACH according to prach_ConfigurationIndex and TS 38.211, tables 6.3.3.2.x
@@ -1793,9 +1796,7 @@ void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_frame_t s
 
   if (is_nr_UL_slot(scc, slotP)) {
 
-    // WIP Need to get the proper selected ssb_idx
-    //     Initial beam selection functionality is not available yet
-    uint8_t selected_gnb_ssb_idx = 0;
+    uint8_t selected_gnb_ssb_idx = mac->mib_ssb;
 
     // Get any valid PRACH occasion in the current slot for the selected SSB index
     is_nr_prach_slot = get_nr_prach_info_from_ssb_index(selected_gnb_ssb_idx,

openair2/LAYER2/NR_MAC_UE/rar_tools_nrUE.c

@@ -116,6 +116,7 @@ void nr_config_Msg3_pdu(NR_UE_MAC_INST_t *mac,
     mask = (1 << ((int) ceil(log2((ibwp_size*(ibwp_size+1))>>1)))) - 1;
   else
     mask = (1 << (28 - (int)(ceil(log2((ibwp_size*(ibwp_size+1))>>1))))) - 1;
+
   f_alloc = Msg3_f_alloc & mask;
   nr_ue_process_dci_freq_dom_resource_assignment(pusch_config_pdu, NULL, ibwp_size, 0, f_alloc);
 
@@ -273,7 +274,8 @@ uint16_t nr_ue_process_rar(module_id_t mod_id,
 
     if (ue_mac->RA_RAPID_found) {
 
-      uint8_t freq_hopping, mcs, Msg3_t_alloc, Msg3_f_alloc;
+      uint8_t freq_hopping, mcs, Msg3_t_alloc;
+      uint16_t Msg3_f_alloc;
       unsigned char tpc_command;
 #ifdef DEBUG_RAR
       unsigned char csi_req;

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c

@@ -360,7 +360,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
     nr_rrc_trigger(&ctxt, 0 /*CC_id*/, frame, slot >> *scc->ssbSubcarrierSpacing);
   }
 
-  const uint64_t dlsch_in_slot_bitmap = (1 << 1) | (1 << 2);
+  const uint64_t dlsch_in_slot_bitmap = (1 << 1) | (1 << 3);
   const uint64_t ulsch_in_slot_bitmap = (1 << 8);
 
   memset(RC.nrmac[module_idP]->cce_list[bwp_id][0],0,MAX_NUM_CCE*sizeof(int)); // coreset0

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c

@@ -424,8 +424,7 @@ void nr_simple_dlsch_preprocessor(module_id_t module_id,
   find_aggregation_candidates(&sched_ctrl->aggregation_level,
                               &nr_of_candidates,
                               sched_ctrl->search_space);
-  sched_ctrl->coreset = get_coreset(
-      sched_ctrl->active_bwp, sched_ctrl->search_space, 1 /* dedicated */);
+  sched_ctrl->coreset = get_coreset(sched_ctrl->active_bwp, sched_ctrl->search_space, 1 /*dedicated*/);
   int cid = sched_ctrl->coreset->controlResourceSetId;
   const uint16_t Y = UE_info->Y[UE_id][cid][slot];
   const int m = UE_info->num_pdcch_cand[UE_id][cid];

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c

@@ -395,8 +395,12 @@ void nr_ul_preprocessor_phytest(module_id_t module_id,
   if (!(is_xlsch_in_slot(ulsch_in_slot_bitmap, sched_slot) && sched_slot == 8))
     return;
 
-  const uint16_t rbStart = 0;
-  const uint16_t rbSize = 50; /* due to OAI UE limitations */
+  const int bw = NRRIV2BW(sched_ctrl->active_ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
+  uint16_t rbStart = 0;
+  uint16_t rbSize = 50; /* due to OAI UE limitations */
+  if (rbSize>bw)
+    rbSize = bw;
+
   uint16_t *vrb_map_UL =
       &RC.nrmac[module_id]->common_channels[CC_id].vrb_map_UL[sched_slot * 275];
   for (int i = rbStart; i < rbStart + rbSize; ++i) {

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c

@@ -191,12 +191,9 @@ int allocate_nr_CCEs(gNB_MAC_INST *nr_mac,
   const uint16_t N_cce = N_reg / NR_NB_REG_PER_CCE;
   const uint16_t M_s_max = nr_of_candidates;
 
-  AssertFatal(m < nr_of_candidates,
-              "PDCCH candidate index %d in CORESET %d exceeds the maximum "
-              "number of PDCCH candidates (%d)\n",
-              m,
-              coreset_id,
-              nr_of_candidates);
+  //PDCCH candidate index m in CORESET exceeds the maximum number of PDCCH candidates
+  if(m >= nr_of_candidates)
+    return -1;
 
   int first_cce = aggregation * (( Y + CEILIDIV((m*N_cce),(aggregation*M_s_max)) + n_CI ) % CEILIDIV(N_cce,aggregation));
 
@@ -1994,32 +1991,6 @@ void get_pdsch_to_harq_feedback(int Mod_idP,
 }
 
 
-void find_aggregation_candidates(uint8_t *aggregation_level,
-                                 uint8_t *nr_of_candidates,
-                                 NR_SearchSpace_t *ss) {
-
-  if (ss->nrofCandidates->aggregationLevel1 != NR_SearchSpace__nrofCandidates__aggregationLevel1_n0) {
-    *aggregation_level = 1;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel1;
-  }
-  if (ss->nrofCandidates->aggregationLevel2 != NR_SearchSpace__nrofCandidates__aggregationLevel2_n0) {
-    *aggregation_level = 2;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel2;
-  }
-  if (ss->nrofCandidates->aggregationLevel4 != NR_SearchSpace__nrofCandidates__aggregationLevel4_n0) {
-    *aggregation_level = 4;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel4;
-  }
-  if (ss->nrofCandidates->aggregationLevel8 != NR_SearchSpace__nrofCandidates__aggregationLevel8_n0) {
-    *aggregation_level = 8;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel8;
-  }
-  if (ss->nrofCandidates->aggregationLevel16 != NR_SearchSpace__nrofCandidates__aggregationLevel16_n0) {
-    *aggregation_level = 16;
-    *nr_of_candidates = ss->nrofCandidates->aggregationLevel16;
-  }
-}
-
 
 /*void fill_nfapi_coresets_and_searchspaces(NR_CellGroupConfig_t *cg,
 					  nfapi_nr_coreset_t *coreset,

openair2/LAYER2/NR_MAC_gNB/mac_proto.h

@@ -296,9 +296,6 @@ NR_SearchSpace_t *get_searchspace(
     NR_BWP_Downlink_t *bwp,
     NR_SearchSpace__searchSpaceType_PR target_ss);
 
-void find_aggregation_candidates(uint8_t *aggregation_level,
-                                 uint8_t *nr_of_candidates,
-                                 NR_SearchSpace_t *ss);
 
 long get_K2(NR_BWP_Uplink_t *ubwp, int time_domain_assignment, int mu);
 

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band257.tm1.32PRB.usrpx300.conf

@@ -140,7 +140,7 @@ gNBs =
         # this is SS=0 L=12
         initialULBWPstartSymbolAndLength_1    = 69;
 
-        initialULBWPk2_2                      = 7;
+        initialULBWPk2_2                      = 14;
         initialULBWPmappingType_2             = 1;
         # this is SS=10 L=4
         initialULBWPstartSymbolAndLength_2    = 52;

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band261.tm1.32PRB.usrpn300.conf

@@ -142,7 +142,7 @@ gNBs =
         # this is SS=0 L=12
         initialULBWPstartSymbolAndLength_1    = 69;
 
-        initialULBWPk2_2                      = 7;
+        initialULBWPk2_2                      = 14;
         initialULBWPmappingType_2             = 1;
         # this is SS=10 L=4
         initialULBWPstartSymbolAndLength_2    = 52;