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Merge remote-tracking branch 'origin/RU_beam_management' into integration_2025_w24 (!3169)

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NR RU improvements for analog beamforming
This commit is contained in:
Robert Schmidt
2025-06-11 18:37:15 +02:00
parent a4b4fbe96b 73a2ba3894
commit dec4e3f217
35 changed files with 534 additions and 411 deletions
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openair2/GNB_APP/L1_nr_paramdef.h
+7 -3
View File
@@ -61,6 +61,8 @@
#define HLP_L1_PHASE_COMP "Apply NR symbolwise phase rotation"
#define CONFIG_STRING_NUM_ANTENNAS_PER_THREAD "dmrs_num_antennas_per_thread"
#define HLP_NUM_ARX "Number of antennas per thread for PUSCH channel estimation"
#define CONFIG_STRING_ANALOG_DAS "enable_das"
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
/* L1 configuration parameters */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
@@ -81,12 +83,13 @@
{CONFIG_STRING_L1_PRACH_DTX_THRESHOLD, NULL, 0, .uptr=NULL, .defintval=150, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_PUSCH_DTX_THRESHOLD, NULL, 0, .uptr=NULL, .defintval=50, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_SRS_DTX_THRESHOLD, NULL, 0, .uptr=NULL, .defintval=30, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_MAX_LDPC_ITERATIONS, NULL, 0, .uptr=NULL, .defintval=8, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_RX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_TX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_MAX_LDPC_ITERATIONS, NULL, 0, .uptr=NULL, .defintval=8, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_RX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_TX_THREAD_CORE, NULL, 0, .uptr=NULL, .defintval=-1, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_TX_AMP_BACKOFF_dB, HLP_L1TX_BO,0, .uptr=NULL, .defintval=36, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_PHASE_COMP, HLP_L1_PHASE_COMP,PARAMFLAG_BOOL, .uptr=NULL,.defintval=1, TYPE_UINT, 0}, \
{CONFIG_STRING_NUM_ANTENNAS_PER_THREAD, HLP_NUM_ARX,0, .uptr=NULL, .defintval=1, TYPE_UINT, 0}, \
{CONFIG_STRING_ANALOG_DAS, NULL, 0, .uptr=NULL, .defintval=0, TYPE_UINT, 0}, \
}
// clang-format on
#define L1_CC_IDX 0
@@ -109,6 +112,7 @@
#define L1_TX_AMP_BACKOFF_dB 17
#define L1_PHASE_COMP 18
#define NUM_ANTENNAS_PER_THREAD 19
#define L1_ANALOG_DAS 20
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
openair2/GNB_APP/MACRLC_nr_paramdef.h
+6 -2
View File
@@ -76,6 +76,7 @@
#define CONFIG_STRING_MACRLC_ANALOG_BEAMFORMING "set_analog_beamforming"
#define CONFIG_STRING_MACRLC_BEAM_DURATION "beam_duration"
#define CONFIG_STRING_MACRLC_BEAMS_PERIOD "beams_per_period"
#define CONFIG_STRING_MACRLC_BEAM_WEIGHTS_LIST "beam_weights"
#define CONFIG_STRING_MACRLC_PUSCH_RSSI_THRESHOLD "pusch_RSSI_Threshold"
#define CONFIG_STRING_MACRLC_PUCCH_RSSI_THRESHOLD "pucch_RSSI_Threshold"
@@ -143,6 +144,7 @@
{CONFIG_STRING_MACRLC_ANALOG_BEAMFORMING, HLP_MACRLC_AB, PARAMFLAG_BOOL, .u8ptr=NULL, .defintval=0, TYPE_UINT8, 0}, \
{CONFIG_STRING_MACRLC_BEAM_DURATION, HLP_MACRLC_BEAM_DURATION, 0, .u8ptr=NULL, .defintval=1, TYPE_UINT8, 0}, \
{CONFIG_STRING_MACRLC_BEAMS_PERIOD, HLP_MACRLC_BEAMS_PERIOD, 0, .u8ptr=NULL, .defintval=1, TYPE_UINT8, 0}, \
{CONFIG_STRING_MACRLC_BEAM_WEIGHTS_LIST, NULL, 0, .iptr=NULL, .defintarrayval=0, TYPE_INTARRAY,0}, \
{CONFIG_STRING_MACRLC_PUSCH_RSSI_THRESHOLD, HLP_MACRLC_PUSCH_RSSI_THRESHOLD, \
0, .iptr=NULL, .defintval=0, TYPE_INT, 0}, \
{CONFIG_STRING_MACRLC_PUCCH_RSSI_THRESHOLD, HLP_MACRLC_PUCCH_RSSI_THRESHOLD, \
@@ -189,8 +191,9 @@
#define MACRLC_ANALOG_BEAMFORMING_IDX 36
#define MACRLC_ANALOG_BEAM_DURATION_IDX 37
#define MACRLC_ANALOG_BEAMS_PERIOD_IDX 38
#define MACRLC_PUSCH_RSSI_THRES_IDX 39
#define MACRLC_PUCCH_RSSI_THRES_IDX 40
#define MACRLC_BEAMWEIGHTS_IDX 39
#define MACRLC_PUSCH_RSSI_THRES_IDX 40
#define MACRLC_PUCCH_RSSI_THRES_IDX 41
#define MACRLCPARAMS_CHECK { \
{ .s5 = { NULL } }, \
@@ -232,6 +235,7 @@
{ .s5 = { NULL } }, \
{ .s5 = { NULL } }, \
{ .s5 = { NULL } }, \
{ .s5 = { NULL } }, \
{ .s2 = { config_check_intrange, {-1280, 0}} }, /* PUSCH RSSI threshold range */ \
{ .s2 = { config_check_intrange, {-1280, 0}} }, /* PUCCH RSSI threshold range */ \
}
openair2/GNB_APP/gnb_config.c
+22 -13
View File
@@ -1067,6 +1067,7 @@ void RCconfig_NR_L1(void)
gNB->TX_AMP = min(32767.0 / pow(10.0, .05 * (double)(*L1_ParamList.paramarray[j][L1_TX_AMP_BACKOFF_dB].uptr)), INT16_MAX);
gNB->phase_comp = *L1_ParamList.paramarray[j][L1_PHASE_COMP].uptr;
gNB->dmrs_num_antennas_per_thread = *(L1_ParamList.paramarray[j][NUM_ANTENNAS_PER_THREAD].uptr);
gNB->enable_analog_das = *(L1_ParamList.paramarray[j][L1_ANALOG_DAS].uptr);
LOG_I(NR_PHY, "TX_AMP = %d (-%d dBFS)\n", gNB->TX_AMP, *L1_ParamList.paramarray[j][L1_TX_AMP_BACKOFF_dB].uptr);
AssertFatal(gNB->TX_AMP > 300, "TX_AMP is too small, must be larger than 300 (is %d)\n", gNB->TX_AMP);
// Midhaul configuration
@@ -1621,19 +1622,6 @@ void RCconfig_nr_macrlc(configmodule_interface_t *cfg)
config.timer_config.n311,
config.timer_config.t319);
if (config_isparamset(GNBParamList.paramarray[0], GNB_BEAMWEIGHTS_IDX)) {
int n = GNBParamList.paramarray[0][GNB_BEAMWEIGHTS_IDX].numelt;
AssertFatal(n % num_tx == 0, "Error! Number of beam input needs to be multiple of TX antennas\n");
// each beam is described by a set of weights (one for each antenna)
// on the other hand in case of analog beamforming an index to the RU beam identifier is provided
config.nb_bfw[0] = num_tx; // number of tx antennas
config.nb_bfw[1] = n / num_tx; // number of beams
config.bw_list = malloc16_clear(n * sizeof(*config.bw_list));
for (int b = 0; b < n; b++) {
config.bw_list[b] = GNBParamList.paramarray[0][GNB_BEAMWEIGHTS_IDX].iptr[b];
}
}
// Construct default aggragation level list or read from config
int uess_num_agg_level_candidates[NUM_PDCCH_AGG_LEVELS];
uess_num_agg_level_candidates[PDCCH_AGG_LEVEL1] = NR_SearchSpace__nrofCandidates__aggregationLevel1_n0;
@@ -1763,6 +1751,7 @@ void RCconfig_nr_macrlc(configmodule_interface_t *cfg)
}
bool ab = *MacRLC_ParamList.paramarray[j][MACRLC_ANALOG_BEAMFORMING_IDX].u8ptr;
if (ab) {
AssertFatal(NFAPI_MODE == NFAPI_MONOLITHIC, "Analog beamforming only supported for monolithic scenario\n");
NR_beam_info_t *beam_info = &RC.nrmac[j]->beam_info;
int beams_per_period = *MacRLC_ParamList.paramarray[j][MACRLC_ANALOG_BEAMS_PERIOD_IDX].u8ptr;
beam_info->beam_allocation = malloc16(beams_per_period * sizeof(int *));
@@ -1770,6 +1759,26 @@ void RCconfig_nr_macrlc(configmodule_interface_t *cfg)
beam_info->beams_per_period = beams_per_period;
beam_info->beam_allocation_size = -1; // to be initialized once we have information on frame configuration
}
if (config_isparamset(MacRLC_ParamList.paramarray[j], MACRLC_BEAMWEIGHTS_IDX)) {
if (NFAPI_MODE == NFAPI_MONOLITHIC) {
GET_PARAMS_LIST(L1_ParamList, L1_Params, L1PARAMS_DESC, CONFIG_STRING_L1_LIST, NULL);
AssertFatal(*(L1_ParamList.paramarray[j][L1_ANALOG_DAS].uptr) == 0, "No need to set beam weights in case of DAS\n");
}
int n = MacRLC_ParamList.paramarray[j][MACRLC_BEAMWEIGHTS_IDX].numelt;
int num_beam = n;
if (!ab) {
AssertFatal(n % num_tx == 0, "Error! Number of beam input needs to be multiple of TX antennas\n");
num_beam = n / num_tx;
}
// each beam is described by a set of weights (one for each antenna)
// in case of analog beamforming an index to the RU beam identifier is provided
// (one for each beam regardless of the number of antennas per beam)
config.nb_bfw[0] = num_tx; // number of tx antennas
config.nb_bfw[1] = num_beam; // number of beams weights/indices
config.bw_list = calloc_or_fail(n, sizeof(*config.bw_list));
for (int b = 0; b < n; b++)
config.bw_list[b] = MacRLC_ParamList.paramarray[j][MACRLC_BEAMWEIGHTS_IDX].iptr[b];
}
// triggers also PHY initialization in case we have L1 via FAPI
nr_mac_config_scc(RC.nrmac[j], scc, &config);
} // for (j=0;j<RC.nb_nr_macrlc_inst;j++)
openair2/GNB_APP/gnb_paramdef.h
+4 -8
View File
@@ -137,7 +137,6 @@ typedef enum {
#define GNB_CONFIG_STRING_GNB_CU_UP_ID "gNB_CU_UP_ID"
#define GNB_CONFIG_STRING_NUM_DL_HARQPROCESSES "num_dlharq"
#define GNB_CONFIG_STRING_NUM_UL_HARQPROCESSES "num_ulharq"
#define GNB_CONFIG_STRING_BEAM_WEIGHTS_LIST "beam_weights"
#define GNB_CONFIG_STRING_UESS_AGG_LEVEL_LIST "uess_agg_levels"
#define GNB_CONFIG_STRING_CU_SIB_LIST "cu_sibs"
#define GNB_CONFIG_STRING_DU_SIB_LIST "du_sibs"
@@ -198,7 +197,6 @@ typedef enum {
{GNB_CONFIG_STRING_DISABLE_HARQ, GNB_CONFIG_HLP_DISABLE_HARQ, PARAMFLAG_BOOL, .iptr=NULL, .defintval=0, TYPE_INT, 0}, \
{GNB_CONFIG_STRING_NUM_DL_HARQPROCESSES, GNB_CONFIG_HLP_NUM_DL_HARQ, 0, .iptr=NULL, .defintval=16, TYPE_INT, 0}, \
{GNB_CONFIG_STRING_NUM_UL_HARQPROCESSES, GNB_CONFIG_HLP_NUM_UL_HARQ, 0, .iptr=NULL, .defintval=16, TYPE_INT, 0}, \
{GNB_CONFIG_STRING_BEAM_WEIGHTS_LIST, NULL, 0, .iptr=NULL, .defintarrayval=0, TYPE_INTARRAY, 0}, \
{GNB_CONFIG_STRING_UESS_AGG_LEVEL_LIST, \
GNB_CONFIG_HLP_UESS_AGG_LEVEL_LIST, 0, .iptr=NULL, .defintarrayval=NULL, TYPE_INTARRAY, 0}, \
{GNB_CONFIG_STRING_CU_SIB_LIST, GNB_CONFIG_HLP_CU_SIBS, 0, .iptr=NULL, .defintarrayval=0, TYPE_INTARRAY, 0}, \
@@ -243,11 +241,10 @@ typedef enum {
#define GNB_DISABLE_HARQ_IDX 32
#define GNB_NUM_DL_HARQ_IDX 33
#define GNB_NUM_UL_HARQ_IDX 34
#define GNB_BEAMWEIGHTS_IDX 35
#define GNB_UESS_AGG_LEVEL_LIST_IDX 36
#define GNB_CU_SIBS_IDX 37
#define GNB_DU_SIBS_IDX 38
#define GNB_DO_SINR_IDX 39
#define GNB_UESS_AGG_LEVEL_LIST_IDX 35
#define GNB_CU_SIBS_IDX 36
#define GNB_DU_SIBS_IDX 37
#define GNB_DO_SINR_IDX 38
#define TRACKING_AREA_CODE_OKRANGE {0x0001,0xFFFD}
#define NUM_DL_HARQ_OKVALUES {2,4,6,8,10,12,16,32}
@@ -293,7 +290,6 @@ typedef enum {
{ .s5 = { NULL } }, \
{ .s5 = { NULL } }, \
{ .s5 = { NULL } }, \
{ .s5 = { NULL } }, \
}
/*-------------------------------------------------------------------------------------------------------------------------------------------------*/
openair2/LAYER2/NR_MAC_gNB/config.c
+16 -20
View File
@@ -715,36 +715,32 @@ static void config_common(gNB_MAC_INST *nrmac,
if (cfg->cell_config.frame_duplex_type.value == TDD)
set_tdd_config_nr(cfg, fs);
int nb_tx = config->nb_bfw[0]; // number of tx antennas
int nb_beams = config->nb_bfw[1]; // number of beams
// precoding matrix configuration (to be improved)
cfg->pmi_list = init_DL_MIMO_codebook(nrmac, pdsch_AntennaPorts);
// beamforming matrix configuration
cfg->dbt_config.num_dig_beams = nb_beams;
if (nb_beams > 0) {
cfg->dbt_config.num_txrus = nb_tx;
cfg->dbt_config.dig_beam_list = malloc16(nb_beams * sizeof(*cfg->dbt_config.dig_beam_list));
AssertFatal(cfg->dbt_config.dig_beam_list, "out of memory\n");
for (int i = 0; i < nb_beams; i++) {
nfapi_nr_dig_beam_t *beam = &cfg->dbt_config.dig_beam_list[i];
beam->beam_idx = i;
beam->txru_list = malloc16(nb_tx * sizeof(*beam->txru_list));
for (int j = 0; j < nb_tx; j++) {
nfapi_nr_txru_t *txru = &beam->txru_list[j];
txru->dig_beam_weight_Re = config->bw_list[j + i * nb_tx] & 0xffff;
txru->dig_beam_weight_Im = (config->bw_list[j + i * nb_tx] >> 16) & 0xffff;
LOG_D(NR_MAC, "Beam %d Tx %d Weight (%d, %d)\n", i, j, txru->dig_beam_weight_Re, txru->dig_beam_weight_Im);
}
}
}
int nb_beams = config->nb_bfw[1]; // number of beams
if (nrmac->beam_info.beam_allocation) {
LOG_I(NR_MAC, "Configuring analog beamforming in config_request message\n");
cfg->analog_beamforming_ve.num_beams_period_vendor_ext.tl.tag = NFAPI_NR_FAPI_NUM_BEAMS_PERIOD_VENDOR_EXTENSION_TAG;
cfg->analog_beamforming_ve.num_beams_period_vendor_ext.value = nrmac->beam_info.beams_per_period;
cfg->num_tlv++;
cfg->analog_beamforming_ve.analog_bf_vendor_ext.tl.tag = NFAPI_NR_FAPI_ANALOG_BF_VENDOR_EXTENSION_TAG;
cfg->analog_beamforming_ve.analog_bf_vendor_ext.value = 1; // analog BF enabled
cfg->num_tlv++;
cfg->analog_beamforming_ve.total_num_beams_vendor_ext.tl.tag = NFAPI_NR_FAPI_TOTAL_NUM_BEAMS_VENDOR_EXTENSION_TAG;
cfg->analog_beamforming_ve.total_num_beams_vendor_ext.value = nb_beams;
cfg->num_tlv++;
cfg->analog_beamforming_ve.analog_beam_list = malloc16(nb_beams * sizeof(*cfg->analog_beamforming_ve.analog_beam_list));
for (int i = 0; i < nb_beams; i++) {
cfg->analog_beamforming_ve.analog_beam_list[i].tl.tag = NFAPI_NR_FAPI_ANALOG_BEAM_VENDOR_EXTENSION_TAG;
cfg->analog_beamforming_ve.analog_beam_list[i].value = config->bw_list[i];
}
} else {
cfg->analog_beamforming_ve.analog_bf_vendor_ext.value = 0; // analog BF disabled
if (NFAPI_MODE == NFAPI_MONOLITHIC) {
cfg->analog_beamforming_ve.analog_bf_vendor_ext.tl.tag = NFAPI_NR_FAPI_ANALOG_BF_VENDOR_EXTENSION_TAG;
cfg->num_tlv++;
}
}
}
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+38 -34
View File
@@ -356,10 +356,11 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
NR_COMMON_channels_t *cc = gNB->common_channels;
NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
NR_RACH_ConfigCommon_t *rach_ConfigCommon = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup;
NR_BWP_UplinkCommon_t *initialUplinkBWP = scc->uplinkConfigCommon->initialUplinkBWP;
NR_RACH_ConfigCommon_t *rach_ConfigCommon = initialUplinkBWP->rach_ConfigCommon->choice.setup;
NR_MsgA_ConfigCommon_r16_t *msgacc = NULL;
if (scc->uplinkConfigCommon->initialUplinkBWP->ext1 && scc->uplinkConfigCommon->initialUplinkBWP->ext1->msgA_ConfigCommon_r16)
msgacc = scc->uplinkConfigCommon->initialUplinkBWP->ext1->msgA_ConfigCommon_r16->choice.setup;
if (initialUplinkBWP->ext1 && initialUplinkBWP->ext1->msgA_ConfigCommon_r16)
msgacc = initialUplinkBWP->ext1->msgA_ConfigCommon_r16->choice.setup;
int slots_frame = gNB->frame_structure.numb_slots_frame;
int index = ul_buffer_index(frameP, slotP, slots_frame, gNB->UL_tti_req_ahead_size);
nfapi_nr_ul_tti_request_t *UL_tti_req = &RC.nrmac[module_idP]->UL_tti_req_ahead[0][index];
@@ -371,7 +372,7 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
int slot_index = 0;
uint16_t prach_occasion_id = -1;
int bwp_start = NRRIV2PRBOFFSET(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
int bwp_start = NRRIV2PRBOFFSET(initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
uint8_t fdm = cfg->prach_config.num_prach_fd_occasions.value;
const int ul_mu = scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
@@ -399,6 +400,16 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
uint32_t N_t_slot = cc->prach_info.N_t_slot;
uint32_t start_symb = cc->prach_info.start_symbol;
for (int fdm_index = 0; fdm_index < fdm; fdm_index++) { // one structure per frequency domain occasion
AssertFatal(UL_tti_req->n_pdus < sizeof(UL_tti_req->pdus_list) / sizeof(UL_tti_req->pdus_list[0]),
"Invalid UL_tti_req->n_pdus %d\n",
UL_tti_req->n_pdus);
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_type = NFAPI_NR_UL_CONFIG_PRACH_PDU_TYPE;
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_size = sizeof(nfapi_nr_prach_pdu_t);
nfapi_nr_prach_pdu_t *prach_pdu = &UL_tti_req->pdus_list[UL_tti_req->n_pdus].prach_pdu;
memset(prach_pdu, 0, sizeof(nfapi_nr_prach_pdu_t));
UL_tti_req->n_pdus += 1;
int num_td_occ = 0;
for (int td_index = 0; td_index < N_t_slot; td_index++) {
uint32_t config_period = cc->prach_info.x;
prach_occasion_id = (((frameP % (cc->max_association_period * config_period))/config_period) * cc->total_prach_occasions_per_config_period) +
@@ -407,6 +418,7 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
if (prach_occasion_id >= cc->total_prach_occasions) // to be confirmed: unused occasion?
continue;
num_td_occ++;
float num_ssb_per_RO = ssb_per_rach_occasion[cfg->prach_config.ssb_per_rach.value];
int beam_index = 0;
if(num_ssb_per_RO <= 1) {
@@ -417,8 +429,7 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
// multi-beam allocation structure
beam = beam_allocation_procedure(&gNB->beam_info, frameP, slotP, beam_index, slots_frame);
AssertFatal(beam.idx >= 0, "Cannot allocate PRACH corresponding to %d SSB transmitted in any available beam\n", n_ssb + 1);
}
else {
} else {
int first_ssb_index = (prach_occasion_id * (int)num_ssb_per_RO) % cc->num_active_ssb;
for(int j = first_ssb_index; j < first_ssb_index + num_ssb_per_RO; j++) {
// fapi beam index
@@ -428,40 +439,15 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
AssertFatal(beam.idx >= 0, "Cannot allocate PRACH corresponding to SSB %d in any available beam\n", j);
}
}
if(td_index == 0) {
AssertFatal(UL_tti_req->n_pdus < sizeof(UL_tti_req->pdus_list) / sizeof(UL_tti_req->pdus_list[0]),
"Invalid UL_tti_req->n_pdus %d\n", UL_tti_req->n_pdus);
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_type = NFAPI_NR_UL_CONFIG_PRACH_PDU_TYPE;
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_size = sizeof(nfapi_nr_prach_pdu_t);
nfapi_nr_prach_pdu_t *prach_pdu = &UL_tti_req->pdus_list[UL_tti_req->n_pdus].prach_pdu;
memset(prach_pdu,0,sizeof(nfapi_nr_prach_pdu_t));
UL_tti_req->n_pdus+=1;
if(num_td_occ == 1) {
// filling the prach fapi structure
prach_pdu->phys_cell_id = *scc->physCellId;
prach_pdu->num_prach_ocas = N_t_slot;
gNB->num_scheduled_prach_rx += N_t_slot;
prach_pdu->prach_start_symbol = start_symb;
prach_pdu->num_ra = fdm_index;
prach_pdu->num_cs = get_NCS(rach_ConfigGeneric->zeroCorrelationZoneConfig,
format0,
rach_ConfigCommon->restrictedSetConfig);
prach_pdu->beamforming.num_prgs = 0;
prach_pdu->beamforming.prg_size = 0;
prach_pdu->beamforming.dig_bf_interface = 1;
prach_pdu->beamforming.prgs_list[0].dig_bf_interface_list[0].beam_idx = beam_index;
LOG_D(NR_MAC,
"Frame %d, Slot %d: Prach Occasion id = %u fdm index = %u start symbol = %u slot index = %u subframe index = %u \n",
frameP,
slotP,
prach_occasion_id,
prach_pdu->num_ra,
start_symb,
slot_index,
RA_sfn_index);
// SCF PRACH PDU format field does not consider A1/B1 etc. possibilities
// We added 9 = A1/B1 10 = A2/B2 11 A3/B3
if (format1!=0xff) {
@@ -518,8 +504,7 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
AssertFatal(1==0,"Invalid PRACH format");
}
}
if (scc->uplinkConfigCommon->initialUplinkBWP->ext1
&& scc->uplinkConfigCommon->initialUplinkBWP->ext1->msgA_ConfigCommon_r16) {
if (initialUplinkBWP->ext1 && initialUplinkBWP->ext1->msgA_ConfigCommon_r16) {
if (gNB->UE_info.connected_ue_list[0] == NULL)
schedule_nr_MsgA_pusch(scc->uplinkConfigCommon,
gNB,
@@ -531,7 +516,26 @@ void schedule_nr_prach(module_id_t module_idP, frame_t frameP, slot_t slotP)
*scc->physCellId);
}
}
prach_pdu->num_prach_ocas = num_td_occ;
prach_pdu->beamforming.num_prgs = 0;
prach_pdu->beamforming.prg_size = 0;
prach_pdu->beamforming.dig_bf_interface = num_td_occ;
prach_pdu->beamforming.prgs_list[0].dig_bf_interface_list[num_td_occ - 1].beam_idx = beam_index;
LOG_D(NR_MAC,
"Frame %d, Slot %d: Prach Occasion id = %u fdm index = %u start symbol = %u slot index = %u subframe index = %u \n",
frameP,
slotP,
prach_occasion_id,
prach_pdu->num_ra,
prach_pdu->prach_start_symbol,
slot_index,
RA_sfn_index);
}
if (num_td_occ == 0) // no TD PRACH occasion -> no PRACH PDU
UL_tti_req->n_pdus -= 1;
else
gNB->num_scheduled_prach_rx += num_td_occ;
}
// block resources in vrb_map_UL