Removed reuse of txdataF buffer on 2 slot basis

openair1/PHY/NR_TRANSPORT/nr_csi_rs.c

@@ -35,7 +35,7 @@ void nr_generate_csi_rs(PHY_VARS_gNB *gNB,
 
   NR_DL_FRAME_PARMS frame_parms=gNB->frame_parms;
   int32_t **txdataF = gNB->common_vars.txdataF;
-  int txdataF_offset = (slot%2)*frame_parms.samples_per_slot_wCP;
+  int txdataF_offset = slot*frame_parms.samples_per_slot_wCP;
   uint32_t **gold_csi_rs = gNB->nr_gold_csi_rs[slot];
   int16_t mod_csi[frame_parms.symbols_per_slot][NR_MAX_CSI_RS_LENGTH>>1] __attribute__((aligned(16)));;
   uint16_t b = csi_params.freq_domain;

openair1/SCHED_NR/nr_ru_procedures.c

@@ -155,7 +155,7 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
   int aa   = 0;//physical antenna number
   int ret  = 0;
   int ofdm_mask_full   = (1<<(ru->nb_tx*2))-1;
-  int txdataF_offset   = ((tti_tx%2)*fp->samples_per_slot_wCP);
+  int txdataF_offset   = (tti_tx*fp->samples_per_slot_wCP);
 
   if (nr_slot_select(cfg,frame_tx,slot) == NR_UPLINK_SLOT) return;
   for (aa=0; aa<ru->nb_tx; aa++) memset(ru->common.txdataF[aa],0,fp->samples_per_slot_wCP*sizeof(int32_t));
@@ -300,7 +300,7 @@ static void *nr_feptx_thread(void *param) {
     ofdm_mask_full   = (1<<(ru->nb_tx*2))-1;
 
     if(ru->num_gNB != 0){
-      txdataF_offset = ((slot%2)*fp->samples_per_slot_wCP);
+      txdataF_offset = (slot*fp->samples_per_slot_wCP);
       ////////////precoding////////////
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_PREC+feptx->index+1 , 1);
       
@@ -464,7 +464,7 @@ void nr_feptx_prec(RU_t *ru,int frame_tx,int tti_tx) {
   int32_t ***bw;
   int i=0;
   int slot_tx = tti_tx;
-  int txdataF_offset   = ((tti_tx%2)*fp->samples_per_slot_wCP);
+  int txdataF_offset   = (tti_tx*fp->samples_per_slot_wCP);
 
   start_meas(&ru->precoding_stats);
   AssertFatal(ru->nb_log_antennas > 0,"ru->nb_log_antennas is 0!\n");

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -74,7 +74,7 @@ void nr_common_signal_procedures (PHY_VARS_gNB *gNB,int frame,int slot,nfapi_nr_
   int **txdataF = gNB->common_vars.txdataF;
   uint8_t ssb_index, n_hf;
   uint16_t ssb_start_symbol;
-  int txdataF_offset = (slot%2)*fp->samples_per_slot_wCP;
+  int txdataF_offset = slot*fp->samples_per_slot_wCP;
   uint16_t slots_per_hf = (fp->slots_per_frame)>>1;
 
   if (slot<slots_per_hf)
@@ -133,7 +133,7 @@ void phy_procedures_gNB_TX(processingData_L1tx_t *msgTx,
   NR_DL_FRAME_PARMS *fp=&gNB->frame_parms;
   nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
   int offset = gNB->CC_id;
-  int txdataF_offset = (slot%2)*fp->samples_per_slot_wCP;
+  int txdataF_offset = slot*fp->samples_per_slot_wCP;
 
   if ((cfg->cell_config.frame_duplex_type.value == TDD) &&
       (nr_slot_select(cfg,frame,slot) == NR_UPLINK_SLOT)) return;

openair1/SIMULATION/NR_PHY/dlsim.c

@@ -1102,7 +1102,7 @@ int main(int argc, char **argv)
         else
           phy_procedures_gNB_TX(msgDataTx,frame,slot,1);
             
-        int txdataF_offset = (slot%2) * frame_parms->samples_per_slot_wCP;
+        int txdataF_offset = slot * frame_parms->samples_per_slot_wCP;
         
         if (n_trials==1) {
           LOG_M("txsigF0.m","txsF0=", &gNB->common_vars.txdataF[0][txdataF_offset+2*frame_parms->ofdm_symbol_size],frame_parms->ofdm_symbol_size,1,1);