Minor correction: y cannot be zero

openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c

@@ -422,7 +422,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
   }
 
   len = (pilots==1)? ((config_type==pdsch_dmrs_type1)?nb_rb*(12-6*dlsch0_harq->n_dmrs_cdm_groups): nb_rb*(12-4*dlsch0_harq->n_dmrs_cdm_groups)):(nb_rb*12);
-  
+
 #if UE_TIMING_TRACE
   stop_meas(&ue->generic_stat_bis[proc->thread_id][slot]);
 #if DISABLE_LOG_X
@@ -1591,13 +1591,16 @@ void nr_dlsch_channel_level(int **dl_ch_estimates_ext,
   short rb;
   unsigned char aatx,aarx;
   __m128i *dl_ch128, avg128D;
-
+Mi
   //nb_rb*nre = y * 2^x
   int16_t x = factor2(len);
   //x = (x>4) ? 4 : x;
   int16_t y = (len)>>x;
   //printf("len = %d = %d * 2^(%d)\n",len,y,x);
 
+  // FIXME: y cannot be zero
+  if(y == 0) y = 1;
+
   for (aatx=0; aatx<frame_parms->nb_antenna_ports_gNB; aatx++)
     for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
       //clear average level

openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c

@@ -298,6 +298,8 @@ void schedule_control_sib1(module_id_t module_id,
   gNB_mac->sched_ctrlCommon->rbSize = rbSize;
   gNB_mac->sched_ctrlCommon->rbStart = 0;
 
+  LOG_I(MAC,"rbSize = %i\n", gNB_mac->sched_ctrlCommon->rbSize);
+
   // Mark the corresponding RBs as used
   for (int rb = 0; rb < gNB_mac->sched_ctrlCommon->rbSize; rb++) {
     vrb_map[rb + rbStart] = 1;
@@ -440,7 +442,7 @@ void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
 
   // static values
   const int CC_id = 0;
-  int time_domain_allocation = 2; // FIXME: For OAI-UE (2), For 3rd party implementation and 3GPP compliant (4)
+  int time_domain_allocation = 0; // FIXME: For OAI-UE (0-3), For 3rd party implementation and 3GPP compliant (4)
   uint8_t mcsTableIdx = 0;
   uint8_t mcs = 8;
   uint8_t numDmrsCdmGrpsNoData = 2;
@@ -474,11 +476,6 @@ void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
                                         nr_get_code_rate_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
                                         gNB_mac->sched_ctrlCommon->rbSize, nrOfSymbols, N_PRB_DMRS,0 ,0 ,1 ) >> 3;
 
-
-    printf("===================================================\n");
-    printf("gNB_mac->sched_ctrlCommon->rbSize = %i\n", gNB_mac->sched_ctrlCommon->rbSize);
-    printf("===================================================\n");
-
     nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
     nr_fill_nfapi_dl_sib1_pdu(module_idP, dl_req, TBS, startSymbolIndex, nrOfSymbols);
 

targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf

@@ -62,25 +62,25 @@ gNBs =
         #pdschTimeDomainAllocationList (up to 16 entries)
              initialDLBWPk0_0                    = 0;
              #initialULBWPmappingType
-	     #0=typeA,1=typeB
+	         #0=typeA,1=typeB
              initialDLBWPmappingType_0           = 0;
-             #this is SS=1,L=13
-             initialDLBWPstartSymbolAndLength_0  = 40;
+             #this is SS=2,L=12
+             initialDLBWPstartSymbolAndLength_0  = 53;
 
              initialDLBWPk0_1                    = 0;
              initialDLBWPmappingType_1           = 0;
-             #this is SS=2,L=12
-             initialDLBWPstartSymbolAndLength_1  = 53;
+             #this is SS=2,L=10
+             initialDLBWPstartSymbolAndLength_1  = 81;
 
              initialDLBWPk0_2                    = 0;
              initialDLBWPmappingType_2           = 0;
              #this is SS=1,L=12
-             initialDLBWPstartSymbolAndLength_2  = 54;
+             initialDLBWPstartSymbolAndLength_2  = 95;
 
              initialDLBWPk0_3                    = 0;
              initialDLBWPmappingType_3           = 0;
-             #this is SS=1,L=5
-             initialDLBWPstartSymbolAndLength_3  = 57;
+             #this is SS=2,L=7
+             initialDLBWPstartSymbolAndLength_3  = 86;
 
              initialDLBWPk0_4                    = 0;
              initialDLBWPmappingType_4           = 0;