remove dependency of PDSCH antenna number from PUSCH Rx antenna number

openair2/LAYER2/NR_MAC_gNB/config.c

@@ -275,7 +275,7 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm
     num_ssb += (cfg->ssb_table.ssb_mask_list[1].ssb_mask.value>>i)&1;
   } 
 
-  cfg->carrier_config.num_rx_ant.value = cfg->carrier_config.num_tx_ant.value;
+  cfg->carrier_config.num_rx_ant.value = 1;//cfg->carrier_config.num_tx_ant.value;
   cfg->carrier_config.num_rx_ant.tl.tag = NFAPI_NR_CONFIG_NUM_RX_ANT_TAG;
   LOG_I(MAC,"Set TX/RX antenna number to %d (num ssb %d: %x,%x)\n",cfg->carrier_config.num_tx_ant.value,num_ssb,cfg->ssb_table.ssb_mask_list[0].ssb_mask.value,cfg->ssb_table.ssb_mask_list[1].ssb_mask.value);
   AssertFatal(cfg->carrier_config.num_tx_ant.value > 0,"carrier_config.num_tx_ant.value %d !\n",cfg->carrier_config.num_tx_ant.value );

targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf

@@ -241,7 +241,7 @@ RUs = (
     {		  
        local_rf       = "yes"
          nb_tx          = 2
-         nb_rx          = 2
+         nb_rx          = 1
          att_tx         = 0
          att_rx         = 0;
          bands          = [7];