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Fix ulprbbl based on SRS

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This commit is contained in:
luis_pereira87
2022-09-21 08:38:30 +01:00
parent af04fa90c1
commit 2931884d07
9 changed files with 32 additions and 17 deletions
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openair1/PHY/defs_gNB.h
+1
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@@ -840,6 +840,7 @@ typedef struct PHY_VARS_gNB_s {
int pucch0_thres;
int pusch_thres;
int prach_thres;
int srs_thres;
uint64_t bad_pucch;
int num_ulprbbl;
int ulprbbl[275];
openair1/SCHED_NR/phy_procedures_nr_gNB.c
+5 -1
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@@ -822,7 +822,7 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
generate_srs_nr(srs_pdu, frame_parms, gNB->nr_srs_info[i]->srs_generated_signal, 0, gNB->nr_srs_info[i], AMP, frame_rx, slot_rx);
}
const int srs_est = nr_get_srs_signal(gNB,frame_rx,slot_rx, srs_pdu, gNB->nr_srs_info[i], srs_received_signal);
int srs_est = nr_get_srs_signal(gNB, frame_rx, slot_rx, srs_pdu, gNB->nr_srs_info[i], srs_received_signal);
if (srs_est >= 0) {
nr_srs_channel_estimation(gNB,
@@ -843,6 +843,10 @@ int phy_procedures_gNB_uespec_RX(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx) {
&snr);
}
if ((snr * 10) < gNB->srs_thres) {
srs_est = -1;
}
T(T_GNB_PHY_UL_FREQ_CHANNEL_ESTIMATE, T_INT(0), T_INT(srs_pdu->rnti), T_INT(frame_rx), T_INT(0), T_INT(0),
T_BUFFER(srs_estimated_channel_freq[0][0], frame_parms->ofdm_symbol_size*sizeof(int32_t)));
openair2/GNB_APP/L1_nr_paramdef.h
+4 -1
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@@ -51,6 +51,7 @@
#define CONFIG_STRING_L1_PUCCH0_DTX_THRESHOLD "pucch0_dtx_threshold"
#define CONFIG_STRING_L1_PRACH_DTX_THRESHOLD "prach_dtx_threshold"
#define CONFIG_STRING_L1_PUSCH_DTX_THRESHOLD "pusch_dtx_threshold"
#define CONFIG_STRING_L1_SRS_DTX_THRESHOLD "srs_dtx_threshold"
#define CONFIG_STRING_L1_MAX_LDPC_ITERATIONS "max_ldpc_iterations"
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
/* L1 configuration parameters */
@@ -71,6 +72,7 @@
{CONFIG_STRING_L1_PUCCH0_DTX_THRESHOLD, NULL, 0, uptr:NULL, defintval:100, TYPE_UINT, 0}, \
{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:50, TYPE_UINT, 0}, \
{CONFIG_STRING_L1_MAX_LDPC_ITERATIONS, NULL, 0, uptr:NULL, defintval:5, TYPE_UINT, 0}, \
}
#define L1_CC_IDX 0
@@ -87,7 +89,8 @@
#define L1_PUCCH0_DTX_THRESHOLD 11
#define L1_PRACH_DTX_THRESHOLD 12
#define L1_PUSCH_DTX_THRESHOLD 13
#define L1_MAX_LDPC_ITERATIONS 14
#define L1_SRS_DTX_THRESHOLD 14
#define L1_MAX_LDPC_ITERATIONS 15
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
#endif
openair2/GNB_APP/gnb_config.c
+1
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@@ -731,6 +731,7 @@ void RCconfig_NR_L1(void) {
RC.gNB[j]->pucch0_thres = *(L1_ParamList.paramarray[j][L1_PUCCH0_DTX_THRESHOLD].uptr);
RC.gNB[j]->prach_thres = *(L1_ParamList.paramarray[j][L1_PRACH_DTX_THRESHOLD].uptr);
RC.gNB[j]->pusch_thres = *(L1_ParamList.paramarray[j][L1_PUSCH_DTX_THRESHOLD].uptr);
RC.gNB[j]->srs_thres = *(L1_ParamList.paramarray[j][L1_SRS_DTX_THRESHOLD].uptr);
RC.gNB[j]->max_ldpc_iterations = *(L1_ParamList.paramarray[j][L1_MAX_LDPC_ITERATIONS].uptr);
RC.gNB[j]->num_ulprbbl = num_prbbl;
RC.gNB[j]->ap_N1 = N1;
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+18 -11
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@@ -795,8 +795,8 @@ void handle_nr_srs_measurements(const module_id_t module_id,
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) {
nfapi_nr_srs_indication_reported_symbol_t *reported_symbol_list)
{
LOG_D(NR_MAC, "(%d.%d) Received SRS indication for rnti: 0x%04x\n", frame, slot, rnti);
#ifdef SRS_IND_DEBUG
@@ -805,32 +805,39 @@ void handle_nr_srs_measurements(const module_id_t module_id,
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, "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);
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);
}
#endif
NR_UE_info_t *UE = find_nr_UE(&RC.nrmac[module_id]->UE_info, 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 for RNTI %04x\n", rnti);
return;
}
if (wide_band_snr == 0xFF) {
LOG_W(NR_MAC, "Invalid wide_band_snr for RNTI %04x\n", rnti);
return;
}
int wide_band_snr_dB = (wide_band_snr >> 1) - 64;
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 = wide_band_snr_dB;
const 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));
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;
if (snr < ul_prbblack_SNR_threshold) {
int snr = (reported_symbol_list[0].rb_list[rb].rb_snr >> 1) - 64;
if (snr < wide_band_snr_dB - ul_prbblack_SNR_threshold) {
ulprbbl[rb] = 0x3FFF; // all symbols taken
}
LOG_D(NR_MAC, "ulprbbl[%3i] = 0x%x\n", rb, ulprbbl[rb]);
targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band77.fr1.273PRB.2x2.usrpn300.conf
+1 -1
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@@ -19,7 +19,7 @@ gNBs = (
pdsch_AntennaPorts_XP = 2;
pusch_AntennaPorts = 2;
do_CSIRS = 1;
do_SRS = 0;
do_SRS = 1;
ul_prbblacklist = "135,136,137,138"
pdcch_ConfigSIB1 = ({
targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.2x2.usrpn300.conf
+1 -2
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@@ -17,7 +17,7 @@ gNBs =
////////// Physical parameters:
pdsch_AntennaPorts_N1 = 2;
pdsch_AntennaPorts_XP = 2;
pusch_AntennaPorts = 2;
do_CSIRS = 1;
do_SRS = 1;
@@ -254,7 +254,6 @@ MACRLCs = (
tr_n_preference = "local_RRC";
#pusch_TargetSNRx10 = 150;
#pucch_TargetSNRx10 = 200;
ul_prbblack_SNR_threshold = 10;
ulsch_max_frame_inactivity = 0;
}
);
targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.106PRB.usrpb210.conf
-1
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@@ -251,7 +251,6 @@ MACRLCs = (
tr_n_preference = "local_RRC";
pusch_TargetSNRx10 = 150;
pucch_TargetSNRx10 = 200;
ul_prbblack_SNR_threshold = 10;
ulsch_max_frame_inactivity = 0;
}
);
targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa.band78.fr1.162PRB.2x2.usrpn300.conf
+1
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@@ -20,6 +20,7 @@ gNBs =
pdsch_AntennaPorts_XP = 2;
pusch_AntennaPorts = 2;
do_CSIRS = 1;
do_SRS = 1;
pdcch_ConfigSIB1 = (
{