fix for pusch dtx in phytest mode

openair1/PHY/NR_TRANSPORT/nr_transport_proto.h

@@ -121,11 +121,11 @@ void free_gNB_dlsch(NR_gNB_DLSCH_t **dlschptr, uint16_t N_RB, const NR_DL_FRAME_
     @param slot Slot number
     @param harq_pid HARQ process ID
 */
-int nr_rx_pusch(PHY_VARS_gNB *gNB,
-                uint8_t UE_id,
-                uint32_t frame,
-                uint8_t slot,
-                unsigned char harq_pid);
+void nr_rx_pusch(PHY_VARS_gNB *gNB,
+                 uint8_t UE_id,
+                 uint32_t frame,
+                 uint8_t slot,
+                 unsigned char harq_pid);
 
 /** \brief This function performs RB extraction (signal and channel estimates) (currently signal only until channel estimation and compensation are implemented)
     @param rxdataF pointer to the received frequency domain signal

openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c

@@ -412,7 +412,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
   uint8_t n_layers        = pusch_pdu->nrOfLayers;
   // ------------------------------------------------------------------
 
-   if (!ulsch_llr) {
+  if (!ulsch_llr) {
     LOG_E(PHY,"ulsch_decoding.c: NULL ulsch_llr pointer\n");
     return 1;
   }

openair1/PHY/NR_TRANSPORT/nr_ulsch_demodulation.c

@@ -1891,11 +1891,11 @@ uint8_t nr_ulsch_zero_forcing_rx_2layers(int **rxdataF_comp,
 //==============================================================================================
 
 /* Main Function */
-int nr_rx_pusch(PHY_VARS_gNB *gNB,
-                uint8_t ulsch_id,
-                uint32_t frame,
-                uint8_t slot,
-                unsigned char harq_pid)
+void nr_rx_pusch(PHY_VARS_gNB *gNB,
+                 uint8_t ulsch_id,
+                 uint32_t frame,
+                 uint8_t slot,
+                 unsigned char harq_pid)
 {
 
   uint8_t aarx, aatx;
@@ -2149,6 +2149,4 @@ int nr_rx_pusch(PHY_VARS_gNB *gNB,
       rxdataF_ext_offset += gNB->pusch_vars[ulsch_id]->ul_valid_re_per_slot[symbol];
     }
   } // symbol loop
-
-  return 0;
 }

openair1/SCHED_NR/phy_procedures_nr_gNB.c

@@ -193,14 +193,12 @@ void nr_postDecode(PHY_VARS_gNB *gNB, notifiedFIFO_elt_t *req) {
   NR_gNB_ULSCH_t *ulsch = rdata->ulsch;
   int r = rdata->segment_r;
   nfapi_nr_pusch_pdu_t *pusch_pdu = &gNB->ulsch[rdata->ulsch_id]->harq_processes[rdata->harq_pid]->ulsch_pdu;
-
   bool decodeSuccess = (rdata->decodeIterations <= rdata->decoderParms.numMaxIter);
   ulsch_harq->processedSegments++;
   LOG_D(PHY, "processing result of segment: %d, processed %d/%d\n",
 	rdata->segment_r, ulsch_harq->processedSegments, rdata->nbSegments);
   gNB->nbDecode--;
   LOG_D(PHY,"remain to decoded in subframe: %d\n", gNB->nbDecode);
-  
   if (decodeSuccess) {
     memcpy(ulsch_harq->b+rdata->offset,
            ulsch_harq->c[r],
@@ -222,7 +220,7 @@ void nr_postDecode(PHY_VARS_gNB *gNB, notifiedFIFO_elt_t *req) {
   //int dumpsig=0;
   // if all segments are done
   if (rdata->nbSegments == ulsch_harq->processedSegments) {
-    if (decodeSuccess) {
+    if (decodeSuccess && !gNB->pusch_vars[rdata->ulsch_id]->DTX) {
       LOG_D(PHY,"[gNB %d] ULSCH: Setting ACK for SFN/SF %d.%d (pid %d, ndi %d, status %d, round %d, TBS %d, Max interation (all seg) %d)\n",
             gNB->Mod_id,ulsch_harq->frame,ulsch_harq->slot,rdata->harq_pid,pusch_pdu->pusch_data.new_data_indicator,ulsch_harq->status,ulsch_harq->round,ulsch_harq->TBS,rdata->decodeIterations);
       ulsch_harq->status = SCH_IDLE;
@@ -727,14 +725,12 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
 
   for (int ULSCH_id=0;ULSCH_id<gNB->number_of_nr_ulsch_max;ULSCH_id++) {
     NR_gNB_ULSCH_t *ulsch = gNB->ulsch[ULSCH_id];
-    int harq_pid;
-    int no_sig;
     NR_UL_gNB_HARQ_t *ulsch_harq;
 
     if ((ulsch) &&
         (ulsch->rnti > 0)) {
       // for for an active HARQ process
-      for (harq_pid=0;harq_pid<NR_MAX_ULSCH_HARQ_PROCESSES;harq_pid++) {
+      for (int harq_pid=0;harq_pid<NR_MAX_ULSCH_HARQ_PROCESSES;harq_pid++) {
         ulsch_harq = ulsch->harq_processes[harq_pid];
         AssertFatal(ulsch_harq!=NULL,"harq_pid %d is not allocated\n",harq_pid);
         if ((ulsch_harq->status == NR_ACTIVE) &&
@@ -776,13 +772,7 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
 
           VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RX_PUSCH,1);
 	        start_meas(&gNB->rx_pusch_stats);
-          no_sig = nr_rx_pusch(gNB, ULSCH_id, frame_rx, slot_rx, harq_pid);
-          if (no_sig) {
-            LOG_D(PHY, "PUSCH not detected in frame %d, slot %d\n", frame_rx, slot_rx);
-            nr_fill_indication(gNB, frame_rx, slot_rx, ULSCH_id, harq_pid, 1,1);
-            pusch_DTX++;
-            continue;
-          }
+          nr_rx_pusch(gNB, ULSCH_id, frame_rx, slot_rx, harq_pid);
           gNB->pusch_vars[ULSCH_id]->ulsch_power_tot=0;
           gNB->pusch_vars[ULSCH_id]->ulsch_noise_power_tot=0;
           for (int aarx=0;aarx<gNB->frame_parms.nb_antennas_rx;aarx++) {