Commit 3613927b authored by Khodr Saaifan's avatar Khodr Saaifan Committed by Thomas Schlichter
Browse files

Extend rfsimulator to support 2 layers for DL transmission from cm line with option --l 1 or 2

parent 6f89a63d
......@@ -69,6 +69,7 @@
#define CONFIG_HLP_EXMCAL "Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n"
#define CONFIG_HLP_ITTIL "Generate ITTI analyzser logs (similar to wireshark logs but with more details)\n"
#define CONFIG_HLP_DLMCS_PHYTEST "Set the downlink MCS for PHYTEST mode\n"
#define CONFIG_HLP_DLNL_PHYTEST "Set the downlink nrOfLayers for PHYTEST mode\n"
#define CONFIG_HLP_STMON "Enable processing timing measurement of lte softmodem on per subframe basis \n"
#define CONFIG_HLP_PRB "Set the PRB, valid values: 6, 25, 50, 100 \n"
#define CONFIG_HLP_MSLOTS "Skip the missed slots/subframes \n"
......
......@@ -22,6 +22,7 @@
{"A" , CONFIG_HLP_TADV, 0, uptr:&timing_advance, defintval:0, TYPE_UINT, 0}, \
{"E" , CONFIG_HLP_TQFS, PARAMFLAG_BOOL, i8ptr:&threequarter_fs, defintval:0, TYPE_INT8, 0}, \
{"m" , CONFIG_HLP_DLMCS_PHYTEST,0, uptr:&target_dl_mcs, defintval:0, TYPE_UINT, 0}, \
{"l" , CONFIG_HLP_DLNL_PHYTEST,0, uptr:&target_dl_Nl, defintval:0, TYPE_UINT, 0}, \
{"t" , CONFIG_HLP_ULMCS_PHYTEST,0, uptr:&target_ul_mcs, defintval:0, TYPE_UINT, 0}, \
{"M" , CONFIG_HLP_DLBW_PHYTEST,0, uptr:&target_dl_bw, defintval:0, TYPE_UINT, 0}, \
{"T" , CONFIG_HLP_ULBW_PHYTEST,0, uptr:&target_ul_bw, defintval:0, TYPE_UINT, 0}, \
......@@ -34,6 +35,7 @@
#include "threads_t.h"
extern threads_t threads;
extern uint32_t target_dl_mcs;
extern uint32_t target_dl_Nl;
extern uint32_t target_ul_mcs;
extern uint32_t target_dl_bw;
extern uint32_t target_ul_bw;
......
......@@ -354,8 +354,8 @@ void init_openair0(void) {
openair0_cfg[card].num_rb_dl = frame_parms->N_RB_DL;
openair0_cfg[card].clock_source = get_softmodem_params()->clock_source;
openair0_cfg[card].time_source = get_softmodem_params()->timing_source;
openair0_cfg[card].tx_num_channels = min(2, frame_parms->nb_antennas_tx);
openair0_cfg[card].rx_num_channels = min(2, frame_parms->nb_antennas_rx);
openair0_cfg[card].tx_num_channels = min(4, frame_parms->nb_antennas_tx);
openair0_cfg[card].rx_num_channels = min(4, frame_parms->nb_antennas_rx);
LOG_I(PHY, "HW: Configuring card %d, sample_rate %f, tx/rx num_channels %d/%d, duplex_mode %s\n",
card,
......
......@@ -131,15 +131,15 @@ int nr_phy_init_RU(RU_t *ru) {
}
AssertFatal(ru->nb_bfw==(beam_count*ru->nb_tx),"Number of beam weights from config file is %d while the expected number is %d",ru->nb_bfw,(beam_count*ru->nb_tx));
int l_ind = 0;
for (i=0; i<ru->num_gNB; i++) {
int l_ind = 0;
for (p=0;p<ru->nb_log_antennas;p++) {
//if ((fp->L_ssb >> (63-p)) & 0x01) {
ru->beam_weights[i][p] = (int32_t **)malloc16_clear(ru->nb_tx*sizeof(int32_t*));
for (j=0; j<ru->nb_tx; j++) {
ru->beam_weights[i][p][j] = (int32_t *)malloc16_clear(fp->ofdm_symbol_size*sizeof(int32_t));
for (re=0; re<fp->ofdm_symbol_size; re++)
ru->beam_weights[i][p][j][re] = ru->bw_list[j][l_ind];
ru->beam_weights[i][p][j][re] = ru->bw_list[i][l_ind];
//printf("Beam Weight %08x for beam %d and tx %d\n",ru->bw_list[i][l_ind],p,j);
l_ind++;
} // for j
......
......@@ -180,7 +180,7 @@ void nr_ue_measurements(PHY_VARS_NR_UE *ue,
ue->measurements.wideband_cqi_avg[gNB_id] = dB_fixed2(ue->measurements.rx_power_avg[gNB_id], ue->measurements.n0_power_avg);
ue->measurements.rx_rssi_dBm[gNB_id] = ue->measurements.rx_power_avg_dB[gNB_id] + 30 - 10*log10(pow(2, 30)) - ((int)openair0_cfg[0].rx_gain[0] - (int)openair0_cfg[0].rx_gain_offset[0]) - dB_fixed(ue->frame_parms.ofdm_symbol_size);
LOG_I(PHY, "[gNB %d] Slot %d, RSSI %d dBm/RE, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d \n",
LOG_D(PHY, "[gNB %d] Slot %d, RSSI %d dBm/RE, RSSI (digital) %d dB, WBandCQI %d dB, rxPwrAvg %d, n0PwrAvg %d \n",
gNB_id,
slot,
ue->measurements.rx_rssi_dBm[gNB_id],
......
......@@ -120,8 +120,14 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
dlsch0->g_pucch = dlsch_config_pdu->accumulated_delta_PUCCH;
dlsch0_harq->harq_ack.pucch_resource_indicator = dlsch_config_pdu->pucch_resource_id;
dlsch0_harq->harq_ack.slot_for_feedback_ack = (slot+dlsch_config_pdu->pdsch_to_harq_feedback_time_ind)%frame_parms.slots_per_frame;
if ((dlsch0_harq->Nl > 2)||(dlsch0_harq->Nl <= 0)) dlsch0_harq->Nl = 1;
//printf("no of layers Nl %d\n",dlsch0_harq->Nl);
//get nrOfLayers from DCI info
uint8_t Nl = 0;
for (i = 0; i < 4; i++) {
if (dlsch_config_pdu->dmrs_ports[i] >= i) Nl += 1;
}
dlsch0_harq->Nl = Nl;
dlsch0_harq->mcs_table=dlsch_config_pdu->mcs_table;
dlsch0_harq->harq_ack.rx_status = downlink_harq_process(dlsch0_harq, dlsch0->current_harq_pid, dlsch_config_pdu->ndi, dlsch0->rnti_type);
if (dlsch0_harq->status != ACTIVE) {
......
......@@ -1149,7 +1149,6 @@ int main(int argc, char **argv)
}
nr_ue_dcireq(&dcireq); //to be replaced with function pointer later
UE_harq_process->Nl = g_nrOfLayers;
nr_ue_scheduled_response(&scheduled_response);
phy_procedures_nrUE_RX(UE,
......
......@@ -262,6 +262,7 @@ void nr_schedule_css_dlsch_phytest(module_id_t module_idP,
extern int getNrOfSymbols(NR_BWP_Downlink_t *bwp, int tda);
extern uint8_t getN_PRB_DMRS(NR_BWP_Downlink_t *bwp, int numDmrsCdmGrpsNoData);
uint32_t target_dl_mcs = 9;
uint32_t target_dl_Nl = 1;
uint32_t target_dl_bw = 50;
uint64_t dlsch_slot_bitmap = (1<<1);
/* schedules whole bandwidth for first user, all the time */
......@@ -370,7 +371,7 @@ void nr_preprocessor_phytest(module_id_t module_id,
nr_set_pdsch_semi_static(
scc, UE_info->secondaryCellGroup[UE_id], sched_ctrl->active_bwp, tda, num_dmrs_cdm_grps_no_data, ps);
sched_pdsch->nrOfLayers = 1;
sched_pdsch->nrOfLayers = target_dl_Nl;
sched_pdsch->mcs = target_dl_mcs;
sched_pdsch->Qm = nr_get_Qm_dl(sched_pdsch->mcs, ps->mcsTableIdx);
sched_pdsch->R = nr_get_code_rate_dl(sched_pdsch->mcs, ps->mcsTableIdx);
......
......@@ -618,8 +618,8 @@ static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps_for_initi
}
static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, void **samplesVoid, int nsamps, int nbAnt) {
if (nbAnt != 1) {
LOG_W(HW, "rfsimulator: only 1 antenna tested\n");
if (nbAnt > 4) {
LOG_W(HW, "rfsimulator: only 4 antenna tested\n");
}
rfsimulator_state_t *t = device->priv;
......@@ -736,14 +736,19 @@ static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimest
CirSize
);
else { // no channel modeling
double H_awgn_mimo[4][4] ={{1.0, 0.5, 0.25, 0.125},//rx 0
{0.5, 1.0, 0.5, 0.25}, //rx 1
{0.25, 0.5, 1.0, 0.5}, //rx 2
{0.125, 0.25, 0.5, 1.0}};//rx 3
sample_t *out=(sample_t *)samplesVoid[a];
int nbAnt_tx = ptr->th.nbAnt;//number of Tx antennas
//LOG_I(HW, "nbAnt_tx %d\n",nbAnt_tx);
for (int i=0; i < nsamps; i++) {//loop over nsamps
for (int a_tx=0; a_tx<nbAnt_tx; a_tx++) { //sum up signals from nbAnt_tx antennas
out[i].r+=ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].r;
out[i].i+=ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].i;
out[i].r += (short)(ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].r*H_awgn_mimo[a][a_tx]);
out[i].i += (short)(ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].i*H_awgn_mimo[a][a_tx]);
} // end for a_tx
} // end for i (number of samps)
} // end of no channel modeling
......
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