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Updates in FAPI so in the future to be able to have a TPMI on MAC at gNB based on SRS

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This commit is contained in:
Roberto Louro Magueta
2022-06-08 11:37:03 +01:00
parent 0a496f44c4
commit fa94c338a8
9 changed files with 384 additions and 155 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_srs.c
+15 -4
View File
@@ -34,7 +34,12 @@
extern RAN_CONTEXT_t RC;
void nr_configure_srs(nfapi_nr_srs_pdu_t *srs_pdu, int module_id, int CC_id,NR_UE_info_t* UE, NR_SRS_Resource_t *srs_resource) {
const uint16_t m_SRS[64] = { 4, 8, 12, 16, 16, 20, 24, 24, 28, 32, 36, 40, 48, 48, 52, 56, 60, 64, 72, 72, 76, 80, 88,
96, 96, 104, 112, 120, 120, 120, 128, 128, 128, 132, 136, 144, 144, 144, 144, 152, 160,
160, 160, 168, 176, 184, 192, 192, 192, 192, 208, 216, 224, 240, 240, 240, 240, 256, 256,
256, 264, 272, 272, 272 };
void nr_configure_srs(nfapi_nr_srs_pdu_t *srs_pdu, int module_id, int CC_id,NR_UE_info_t* UE, NR_SRS_ResourceSet_t *srs_resource_set, NR_SRS_Resource_t *srs_resource) {
gNB_MAC_INST *nrmac = RC.nrmac[module_id];
NR_ServingCellConfigCommon_t *scc = nrmac->common_channels[CC_id].ServingCellConfigCommon;
@@ -80,9 +85,15 @@ void nr_configure_srs(nfapi_nr_srs_pdu_t *srs_pdu, int module_id, int CC_id,NR_U
srs_pdu->resource_type = srs_resource->resourceType.present - 1;
srs_pdu->t_srs = srs_period[srs_resource->resourceType.choice.periodic->periodicityAndOffset_p.present];
srs_pdu->t_offset = get_nr_srs_offset(srs_resource->resourceType.choice.periodic->periodicityAndOffset_p);
// TODO: This should be completed
srs_pdu->beamforming.trp_scheme = 0;
srs_pdu->beamforming.num_prgs = m_SRS[srs_pdu->config_index];
srs_pdu->beamforming.prg_size = 1;
srs_pdu->srs_parameters_v4.usage = srs_resource_set->usage;
}
void nr_fill_nfapi_srs(int module_id, int CC_id, NR_UE_info_t* UE, sub_frame_t slot, NR_SRS_Resource_t *srs_resource) {
void nr_fill_nfapi_srs(int module_id, int CC_id, NR_UE_info_t* UE, sub_frame_t slot, NR_SRS_ResourceSet_t *srs_resource_set, NR_SRS_Resource_t *srs_resource) {
nfapi_nr_ul_tti_request_t *future_ul_tti_req = &RC.nrmac[module_id]->UL_tti_req_ahead[0][slot];
AssertFatal(future_ul_tti_req->n_pdus <
@@ -94,7 +105,7 @@ void nr_fill_nfapi_srs(int module_id, int CC_id, NR_UE_info_t* UE, sub_frame_t s
memset(srs_pdu, 0, sizeof(nfapi_nr_srs_pdu_t));
future_ul_tti_req->n_pdus += 1;
nr_configure_srs(srs_pdu, module_id, CC_id, UE, srs_resource);
nr_configure_srs(srs_pdu, module_id, CC_id, UE, srs_resource_set, srs_resource);
}
/*******************************************************************
@@ -185,7 +196,7 @@ void nr_schedule_srs(int module_id, frame_t frame) {
// Check if UE will transmit the SRS in this frame
if ( ((frame - offset/n_slots_frame)*n_slots_frame)%period == 0) {
LOG_D(NR_MAC,"Scheduling SRS reception for %d.%d\n", frame, offset%n_slots_frame);
nr_fill_nfapi_srs(module_id, CC_id, UE, offset%n_slots_frame, srs_resource);
nr_fill_nfapi_srs(module_id, CC_id, UE, offset%n_slots_frame, srs_resource_set, srs_resource);
sched_ctrl->sched_srs.frame = frame;
sched_ctrl->sched_srs.slot = offset%n_slots_frame;
sched_ctrl->sched_srs.srs_scheduled = true;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+33 -22
View File
@@ -765,46 +765,57 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
void handle_nr_srs_measurements(const module_id_t module_id,
const frame_t frame,
const sub_frame_t slot,
const rnti_t rnti,
const uint16_t timing_advance,
const uint8_t num_symbols,
const uint8_t wide_band_snr,
const uint8_t num_reported_symbols,
nfapi_nr_srs_indication_reported_symbol_t* reported_symbol_list) {
const nfapi_nr_srs_indication_pdu_t *srs_ind) {
LOG_D(NR_MAC, "(%d.%d) Received SRS indication for rnti: 0x%04x\n", frame, slot, rnti);
LOG_D(NR_MAC, "(%d.%d) Received SRS indication for UE %04x\n", frame, slot, srs_ind->rnti);
#ifdef SRS_IND_DEBUG
LOG_I(NR_MAC, "frame = %i\n", frame);
LOG_I(NR_MAC, "slot = %i\n", slot);
LOG_I(NR_MAC, "rnti = 0x%04x\n", rnti);
LOG_I(NR_MAC, "timing_advance = %i\n", timing_advance);
LOG_I(NR_MAC, "num_symbols = %i\n", num_symbols);
LOG_I(NR_MAC, "wide_band_snr = %i (%i dB)\n", wide_band_snr, (wide_band_snr>>1)-64);
LOG_I(NR_MAC, "num_reported_symbols = %i\n", num_reported_symbols);
LOG_I(NR_MAC, "reported_symbol_list[0].num_rbs = %i\n", reported_symbol_list[0].num_rbs);
for(int rb = 0; rb < reported_symbol_list[0].num_rbs; rb++) {
LOG_I(NR_MAC, "reported_symbol_list[0].rb_list[%3i].rb_snr = %i (%i dB)\n",
rb, reported_symbol_list[0].rb_list[rb].rb_snr, (reported_symbol_list[0].rb_list[rb].rb_snr>>1)-64);
LOG_I(NR_MAC, "srs_ind->rnti = %04x\n", srs_ind->rnti);
LOG_I(NR_MAC, "srs_ind->timing_advance_offset = %i\n", srs_ind->timing_advance_offset);
LOG_I(NR_MAC, "srs_ind->timing_advance_offset_nsec = %i\n", srs_ind->timing_advance_offset_nsec);
LOG_I(NR_MAC, "srs_ind->srs_usage = %i\n", srs_ind->srs_usage);
LOG_I(NR_MAC, "srs_ind->report_type = %i\n", srs_ind->report_type);
#endif
nfapi_nr_srs_beamforming_report_t *nr_srs_beamforming_report = (nfapi_nr_srs_beamforming_report_t*) calloc(1,sizeof(nfapi_nr_srs_beamforming_report_t));
unpack_nr_srs_beamforming_report(srs_ind->report_tlv->value,
srs_ind->report_tlv->length,
nr_srs_beamforming_report,
sizeof(nfapi_nr_srs_beamforming_report_t));
#ifdef SRS_IND_DEBUG
LOG_I(NR_MAC, "nr_srs_beamforming_report->prg_size = %i\n", nr_srs_beamforming_report->prg_size);
LOG_I(NR_MAC, "nr_srs_beamforming_report->num_symbols = %i\n", nr_srs_beamforming_report->num_symbols);
LOG_I(NR_MAC, "nr_srs_beamforming_report->wide_band_snr = %i (%i dB)\n", nr_srs_beamforming_report->wide_band_snr, (nr_srs_beamforming_report->wide_band_snr>>1)-64);
LOG_I(NR_MAC, "nr_srs_beamforming_report->num_reported_symbols = %i\n", nr_srs_beamforming_report->num_reported_symbols);
LOG_I(NR_MAC, "nr_srs_beamforming_report->prgs[0].num_prgs = %i\n", nr_srs_beamforming_report->prgs[0].num_prgs);
for(int prg_idx = 0; prg_idx < nr_srs_beamforming_report->prgs[0].num_prgs; prg_idx++) {
LOG_I(NR_MAC, "nr_srs_beamforming_report->prgs[0].prg_list[%3i].rb_snr = %i (%i dB)\n",
prg_idx,
nr_srs_beamforming_report->prgs[0].prg_list[prg_idx].rb_snr,
(nr_srs_beamforming_report->prgs[0].prg_list[prg_idx].rb_snr>>1)-64);
}
#endif
NR_UE_info_t* UE = find_nr_UE(&RC.nrmac[module_id]->UE_info, rnti);
NR_UE_info_t* UE = find_nr_UE(&RC.nrmac[module_id]->UE_info, srs_ind->rnti);
if (!UE) {
LOG_W(NR_MAC, "Could not find UE for RNTI 0x%04x\n", rnti);
LOG_W(NR_MAC, "Could not find UE %04x\n", srs_ind->rnti);
return;
}
gNB_MAC_INST *nr_mac = RC.nrmac[module_id];
NR_mac_stats_t *stats = &UE->mac_stats;
stats->srs_wide_band_snr = (wide_band_snr>>1)-64;
stats->srs_wide_band_snr = (nr_srs_beamforming_report->wide_band_snr>>1)-64;
int ul_prbblack_SNR_threshold = nr_mac->ul_prbblack_SNR_threshold;
uint16_t *ulprbbl = nr_mac->ulprbbl;
memset(ulprbbl, 0, reported_symbol_list[0].num_rbs*sizeof(uint16_t));
for (int rb = 0; rb < reported_symbol_list[0].num_rbs; rb++) {
int snr = (reported_symbol_list[0].rb_list[rb].rb_snr>>1)-64;
uint8_t num_rbs = nr_srs_beamforming_report->prg_size * nr_srs_beamforming_report->prgs[0].num_prgs;
memset(ulprbbl, 0, num_rbs*sizeof(uint16_t));
for (int rb = 0; rb < num_rbs; rb++) {
int snr = (nr_srs_beamforming_report->prgs[0].prg_list[rb/nr_srs_beamforming_report->prg_size].rb_snr>>1)-64;
if (snr < ul_prbblack_SNR_threshold) {
ulprbbl[rb] = 0x3FFF; // all symbols taken
}
openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+1 -6
View File
@@ -493,12 +493,7 @@ void handle_nr_ul_harq(const int CC_idP,
void handle_nr_srs_measurements(const module_id_t module_id,
const frame_t frame,
const sub_frame_t slot,
const rnti_t rnti,
const uint16_t timing_advance,
const uint8_t num_symbols,
const uint8_t wide_band_snr,
const uint8_t num_reported_symbols,
nfapi_nr_srs_indication_reported_symbol_t* reported_symbol_list);
const nfapi_nr_srs_indication_pdu_t *srs_ind);
int16_t ssb_index_from_prach(module_id_t module_idP,
frame_t frameP,
openair2/NR_PHY_INTERFACE/NR_IF_Module.c
+1 -6
View File
@@ -239,12 +239,7 @@ void handle_nr_srs(NR_UL_IND_t *UL_info) {
handle_nr_srs_measurements(module_id,
frame,
slot,
srs_ind->rnti,
srs_ind->timing_advance,
srs_ind->num_symbols,
srs_ind->wide_band_snr,
srs_ind->num_reported_symbols,
srs_ind->reported_symbol_list);
&srs_list[i]);
}
UL_info->srs_ind.number_of_pdus = 0;