diff --git a/openair1/PHY/INIT/nr_parms.c b/openair1/PHY/INIT/nr_parms.c index 6045930b17..80dc8a9e28 100644 --- a/openair1/PHY/INIT/nr_parms.c +++ b/openair1/PHY/INIT/nr_parms.c @@ -275,9 +275,9 @@ int nr_init_frame_parms(nfapi_nr_config_request_scf_t* cfg, fp->slots_per_frame = 10* fp->slots_per_subframe; - fp->nb_antenna_ports_gNB = 1; // default value until overwritten by RRCConnectionReconfiguration - fp->nb_antennas_rx = 1; // default value until overwritten by RRCConnectionReconfiguration - fp->nb_antennas_tx = 1; // default value until overwritten by RRCConnectionReconfiguration + fp->nb_antenna_ports_gNB = cfg->carrier_config.num_tx_ant.value;// It corresponds to pdsch_AntennaPorts + fp->nb_antennas_rx = cfg->carrier_config.num_rx_ant.value; // in config_common() in config.c: HardCoded to 1 + fp->nb_antennas_tx = 1; // It corresponds to UE Tx antenna fp->symbols_per_slot = ((Ncp == NORMAL)? 14 : 12); // to redefine for different slot formats fp->samples_per_subframe_wCP = fp->ofdm_symbol_size * fp->symbols_per_slot * fp->slots_per_subframe; diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c index ad8409de69..4405f78fab 100644 --- a/openair2/LAYER2/NR_MAC_gNB/config.c +++ b/openair2/LAYER2/NR_MAC_gNB/config.c @@ -268,7 +268,7 @@ 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;//HardCoded till we review the rx chain of PUSCH for num_rx_ant > 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 ); diff --git a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf index 884ab771e6..aa15166f0c 100644 --- a/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf +++ b/targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf @@ -23,7 +23,7 @@ gNBs = ssb_SubcarrierOffset = 0; pdsch_AntennaPorts = 1; - + servingCellConfigCommon = ( { #spCellConfigCommon @@ -247,8 +247,15 @@ RUs = ( max_pdschReferenceSignalPower = -27; max_rxgain = 75; eNB_instances = [0]; - #beamforming 1x4 matrix: - bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000]; + ##beamforming 1x2 matrix: 1 layer x 2 antennas + bf_weights = [0x00007fff, 0x0000]; + ##beamforming 1x4 matrix: 1 layer x 4 antennas + #bf_weights = [0x00007fff, 0x0000,0x0000, 0x0000]; + ## beamforming 2x2 matrix: + # bf_weights = [0x00007fff, 0x00000000, 0x00000000, 0x00007fff]; + ## beamforming 4x4 matrix: + #bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff]; + sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2,second_addr=192.168.20.2"; clock_src = "external"; }