UE PHY SA Slot synchronization integrated

srsue/src/phy/phy_nr_sa.cc

@@ -103,6 +103,10 @@ void phy_nr_sa::init_background()
   }
   workers.init(args, sync, stack);
 
+  // Set fix Tx and Rx sampling rates
+  radio->set_tx_srate(args.srate_hz);
+  radio->set_rx_srate(args.srate_hz);
+
   is_configured = true;
 }
 

srsue/src/phy/sync_sa.cc

@@ -281,7 +281,9 @@ void sync_sa::run_state_cell_camping()
   rf_buffer.set_nof_samples(slot_sz);
   rf_buffer.set(0, nr_worker->get_buffer(0, 0));
   if (not slot_synchronizer.run_camping(rf_buffer, last_rx_time)) {
-    logger.error("SYNC: detected out-of-sync... unhandled outcome...");
+    logger.error("SYNC: detected out-of-sync... skipping slot ...");
+    nr_worker->release();
+    return;
   }
 
   srsran::phy_common_interface::worker_context_t context;

srsue/src/ue.cc

@@ -82,6 +82,7 @@ int ue::init(const all_args_t& args_)
   phy_args_nr.worker_cpu_mask      = args.phy.worker_cpu_mask;
   phy_args_nr.log                  = args.phy.log;
   phy_args_nr.store_pdsch_ko       = args.phy.nr_store_pdsch_ko;
+  phy_args_nr.srate_hz             = args.rf.srate_hz;
 
   // init layers
   if (args.phy.nof_lte_carriers == 0) {
@@ -269,6 +270,12 @@ int ue::parse_args(const all_args_t& args_)
   // Consider Carrier Aggregation support if more than one
   args.stack.rrc.support_ca = (args.phy.nof_lte_carriers > 1);
 
+  // Make sure fix sampling rate is set for SA mode
+  if (args.phy.nof_lte_carriers == 0 and not std::isnormal(args.rf.srate_hz)) {
+    srsran::console("Error. NR Standalone PHY requires a fix RF sampling rate.\n");
+    return SRSRAN_ERROR;
+  }
+
   return SRSRAN_SUCCESS;
 }