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Merge remote-tracking branch 'origin/fix_ue_csi_meas' into integration_2025_w43 (!3698)

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Other CSI measurement fixes

Errors fixed in this MR:

- UE currently sends empty CSI measurement report resulting in invalid
  cqi_idx 0, default to MCS 9 at gNB because mismanagement of new L1
  measurement structure at MAC UE
- nrofReportedRS not updated after UE capability reception at gNB
- multiple RSRP reports multiplexed / de-multiplexed in wrong order
This commit is contained in:
Robert Schmidt
2025-10-24 14:42:06 +02:00
parent 35a450bd43 747689596a
commit ef4e37d35c
5 changed files with 64 additions and 57 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/NR_MAC_UE/mac_defs.h
+9 -3
View File
@@ -431,6 +431,14 @@ typedef struct {
float_t ssb_sinr_dB;
} NR_SSB_meas_t;
typedef struct {
int rsrp_dBm;
uint8_t ri;
uint16_t i1;
uint8_t i2;
uint8_t cqi;
} NR_CSIRS_meas_t;
typedef enum ta_type {
no_ta = 0,
adjustment_ta,
@@ -601,9 +609,6 @@ typedef struct NR_UE_MAC_INST_s {
nr_csi_report_t csi_report_template[MAX_CSI_REPORTCONFIG];
/// measurements from SS or CSI-RS
fapi_nr_l1_measurements_t l1_measurements;
//// FAPI-like interface message
fapi_nr_ul_config_request_t *ul_config_request;
fapi_nr_dl_config_request_t *dl_config_request;
@@ -633,6 +638,7 @@ typedef struct NR_UE_MAC_INST_s {
int ssb_start_subcarrier;
NR_SSB_meas_t ssb_measurements[MAX_NB_SSB];
NR_CSIRS_meas_t csirs_measurements;
dci_pdu_rel15_t def_dci_pdu_rel15[NR_MAX_SLOTS_PER_FRAME][8];
openair2/LAYER2/NR_MAC_UE/main_ue_nr.c
+1 -1
View File
@@ -307,7 +307,7 @@ void release_mac_configuration(NR_UE_MAC_INST_t *mac, NR_UE_MAC_reset_cause_t ca
release_ul_BWP(mac, i);
memset(&mac->ssb_measurements, 0, sizeof(mac->ssb_measurements));
memset(&mac->l1_measurements, 0, sizeof(mac->l1_measurements));
memset(&mac->csirs_measurements, 0, sizeof(mac->csirs_measurements));
memset(&mac->ul_time_alignment, 0, sizeof(mac->ul_time_alignment));
for (int i = mac->TAG_list.count; i > 0 ; i--)
asn_sequence_del(&mac->TAG_list, i - 1, 1);
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+40 -44
View File
@@ -1508,13 +1508,18 @@ nr_dci_format_t nr_ue_process_dci_indication_pdu(NR_UE_MAC_INST_t *mac, frame_t
void nr_ue_process_l1_measurements(NR_UE_MAC_INST_t *mac, frame_t frame, int slot, fapi_nr_l1_measurements_t *l1_measurements)
{
LOG_D(NR_MAC, "(%d.%d) Received CSI-RS measurements\n", frame, slot);
memcpy(&mac->l1_measurements, l1_measurements, sizeof(*l1_measurements));
LOG_D(NR_MAC, "(%d.%d) Received measurements from L1\n", frame, slot);
bool csi_meas = l1_measurements->meas_type == NFAPI_NR_CSI_MEAS;
if (!csi_meas && !l1_measurements->is_neighboring_cell) {
int ssb_index = l1_measurements->ssb_index;
mac->ssb_measurements[ssb_index].ssb_rsrp_dBm = l1_measurements->rsrp_dBm;
mac->ssb_measurements[ssb_index].ssb_sinr_dB = l1_measurements->sinr_dB;
} else if (csi_meas) {
mac->csirs_measurements.rsrp_dBm = l1_measurements->rsrp_dBm;
mac->csirs_measurements.i1 = l1_measurements->i1;
mac->csirs_measurements.i2 = l1_measurements->i2;
mac->csirs_measurements.cqi = l1_measurements->cqi;
mac->csirs_measurements.ri = l1_measurements->rank_indicator;
}
nr_mac_rrc_meas_ind_ue(mac->ue_id,
l1_measurements->gNB_index,
@@ -2790,13 +2795,13 @@ static csi_payload_t get_ssb_sinr_payload(NR_UE_MAC_INST_t *mac,
} else
nb_meas = 2;
struct NR_CSI_SSB_ResourceSet__csi_SSB_ResourceList SSB_resource;
struct NR_CSI_SSB_ResourceSet__csi_SSB_ResourceList *SSB_resource = NULL;
for (int csi_ssb_idx = 0; csi_ssb_idx < csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.count; csi_ssb_idx++) {
if (csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceSetId
== *(csi_resourceconfig->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.array[0])) {
SSB_resource = csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList;
SSB_resource = &csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList;
/// only one SSB resource set from spec 38.331 IE CSI-ResourceConfig
nb_ssb = SSB_resource.list.count;
nb_ssb = SSB_resource->list.count;
break;
}
}
@@ -2811,7 +2816,7 @@ static csi_payload_t get_ssb_sinr_payload(NR_UE_MAC_INST_t *mac,
for (int measured_ssb_idx = 0; measured_ssb_idx < MAX_NB_SSB; measured_ssb_idx++) {
// searching for the SSB index in the SSB resource table
for (int ssb_resource = 0; ssb_resource < nb_ssb; ssb_resource++) {
if (*SSB_resource.list.array[ssb_resource] == measured_ssb_idx) {
if (*SSB_resource->list.array[ssb_resource] == measured_ssb_idx) {
sorted_sinr_measurements[sorted_idx].ssb_index = ssb_resource;
sorted_sinr_measurements[sorted_idx].ssb_rsrp_dBm = mac->ssb_measurements[measured_ssb_idx].ssb_rsrp_dBm;
sorted_sinr_measurements[sorted_idx].ssb_sinr_dB = mac->ssb_measurements[measured_ssb_idx].ssb_sinr_dB;
@@ -2822,25 +2827,20 @@ static csi_payload_t get_ssb_sinr_payload(NR_UE_MAC_INST_t *mac,
}
qsort(sorted_sinr_measurements, nb_ssb, sizeof(NR_RSRP_meas_t), compare_ssb_sinr);
uint8_t ssbi;
// TS38.212 v16.5.0: Table 6.3.1.1.2-8A
if (ssbri_bits > 0) {
ssbi = sorted_sinr_measurements[0].ssb_index;
temp_payload = reverse_bits(ssbi, ssbri_bits);
bits += ssbri_bits;
for (int i = 0; i < nb_meas; i++) {
if (ssbri_bits > 0) {
uint8_t ssbi = sorted_sinr_measurements[i].ssb_index;
temp_payload |= (reverse_bits(ssbi, ssbri_bits) << bits);
bits += ssbri_bits;
}
}
uint8_t sinr_idx = get_sinr_index(sorted_sinr_measurements[0].ssb_sinr_dB);
temp_payload |= (reverse_bits(sinr_idx, 7) << bits);
bits += 7; // 7 bits for highest SINR
// from the second SSB, differential report
for (int i = 1; i < nb_meas; i++) {
ssbi = sorted_sinr_measurements[i].ssb_index;
temp_payload |= (reverse_bits(ssbi, ssbri_bits) << bits);
bits += ssbri_bits;
sinr_idx = get_sinr_diff_index(sorted_sinr_measurements[0].ssb_sinr_dB, sorted_sinr_measurements[i].ssb_sinr_dB);
temp_payload |= (reverse_bits(sinr_idx, 4) << bits);
bits += 4; // 4 bits for differential SINR
@@ -2931,13 +2931,13 @@ static csi_payload_t get_ssb_rsrp_payload(NR_UE_MAC_INST_t *mac,
} else
nb_meas = 2;
struct NR_CSI_SSB_ResourceSet__csi_SSB_ResourceList SSB_resource;
struct NR_CSI_SSB_ResourceSet__csi_SSB_ResourceList *SSB_resource = NULL;
for (int csi_ssb_idx = 0; csi_ssb_idx < csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.count; csi_ssb_idx++) {
if (csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceSetId ==
*(csi_resourceconfig->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.array[0])){
SSB_resource = csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList;
SSB_resource = &csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList;
///only one SSB resource set from spec 38.331 IE CSI-ResourceConfig
nb_ssb = SSB_resource.list.count;
nb_ssb = SSB_resource->list.count;
break;
}
}
@@ -2952,7 +2952,7 @@ static csi_payload_t get_ssb_rsrp_payload(NR_UE_MAC_INST_t *mac,
for (int measured_ssb_idx = 0; measured_ssb_idx < MAX_NB_SSB; measured_ssb_idx++) {
// searching for the SSB index in the SSB resource table
for (int ssb_resource = 0; ssb_resource < nb_ssb; ssb_resource++) {
if (*SSB_resource.list.array[ssb_resource] == measured_ssb_idx) {
if (*SSB_resource->list.array[ssb_resource] == measured_ssb_idx) {
sorted_rsrp_measurements[sorted_idx].ssb_index = ssb_resource;
sorted_rsrp_measurements[sorted_idx].ssb_rsrp_dBm = mac->ssb_measurements[measured_ssb_idx].ssb_rsrp_dBm;
sorted_rsrp_measurements[sorted_idx].ssb_sinr_dB = mac->ssb_measurements[measured_ssb_idx].ssb_sinr_dB;
@@ -2963,12 +2963,12 @@ static csi_payload_t get_ssb_rsrp_payload(NR_UE_MAC_INST_t *mac,
}
qsort(sorted_rsrp_measurements, nb_ssb, sizeof(NR_RSRP_meas_t), compare_ssb_rsrp);
uint32_t ssbi;
if (ssbri_bits > 0) {
ssbi = sorted_rsrp_measurements[0].ssb_index;
temp_payload = reverse_bits(ssbi, ssbri_bits);
bits += ssbri_bits;
for (int i = 0; i < nb_meas; i++) {
if (ssbri_bits > 0) {
uint32_t ssbi = sorted_rsrp_measurements[i].ssb_index;
temp_payload |= (reverse_bits(ssbi, ssbri_bits) << bits);
bits += ssbri_bits;
}
}
uint8_t rsrp_idx = get_rsrp_index(sorted_rsrp_measurements[0].ssb_rsrp_dBm);
@@ -2977,15 +2977,11 @@ static csi_payload_t get_ssb_rsrp_payload(NR_UE_MAC_INST_t *mac,
// from the second SSB, differential report
for (int i = 1; i < nb_meas; i++) {
ssbi = sorted_rsrp_measurements[i].ssb_index;
temp_payload |= (reverse_bits(ssbi, ssbri_bits) << bits);
bits += ssbri_bits;
rsrp_idx = get_rsrp_diff_index(sorted_rsrp_measurements[0].ssb_rsrp_dBm,sorted_rsrp_measurements[i].ssb_rsrp_dBm);
temp_payload |= (reverse_bits(rsrp_idx, 4) << bits);
bits += 4; // 4 bits for subsequent RSRP
}
break; // resorce found
break; // resource found
}
}
int max_bits = sizeof(((csi_payload_t *)0)->part1_payload) * 8;
@@ -3026,28 +3022,28 @@ static csi_payload_t get_csirs_RI_PMI_CQI_payload(NR_UE_MAC_INST_t *mac,
AssertFatal(csi_report, "Couldn't find CSI report with ID %ld\n", csi_reportconfig->reportConfigId);
int cri_bitlen = csi_report->csi_meas_bitlen.cri_bitlen;
int ri_bitlen = csi_report->csi_meas_bitlen.ri_bitlen;
int pmi_x1_bitlen = csi_report->csi_meas_bitlen.pmi_x1_bitlen[mac->l1_measurements.rank_indicator];
int pmi_x2_bitlen = csi_report->csi_meas_bitlen.pmi_x2_bitlen[mac->l1_measurements.rank_indicator];
int cqi_bitlen = csi_report->csi_meas_bitlen.cqi_bitlen[mac->l1_measurements.rank_indicator];
int pmi_x1_bitlen = csi_report->csi_meas_bitlen.pmi_x1_bitlen[mac->csirs_measurements.ri];
int pmi_x2_bitlen = csi_report->csi_meas_bitlen.pmi_x2_bitlen[mac->csirs_measurements.ri];
int cqi_bitlen = csi_report->csi_meas_bitlen.cqi_bitlen[mac->csirs_measurements.ri];
int padding_bitlen = 0;
// TODO: Improvements will be needed to cri_bitlen>0 and pmi_x1_bitlen>0
if (mapping_type == ON_PUSCH) {
p1_bits = cri_bitlen + ri_bitlen + cqi_bitlen;
p2_bits = pmi_x1_bitlen + pmi_x2_bitlen;
temp_payload_1 = (0/*mac->csi_measurements.cri*/ << (cqi_bitlen + ri_bitlen)) |
(mac->l1_measurements.rank_indicator << cqi_bitlen) |
(mac->l1_measurements.cqi);
temp_payload_2 = (mac->l1_measurements.i1 << pmi_x2_bitlen) |
mac->l1_measurements.i2;
(mac->csirs_measurements.ri << cqi_bitlen) |
(mac->csirs_measurements.cqi);
temp_payload_2 = (mac->csirs_measurements.i1 << pmi_x2_bitlen) |
mac->csirs_measurements.i2;
}
else {
p1_bits = nr_get_csi_bitlen(csi_report);
padding_bitlen = p1_bits - (cri_bitlen + ri_bitlen + pmi_x1_bitlen + pmi_x2_bitlen + cqi_bitlen);
temp_payload_1 = (0/*mac->csi_measurements.cri*/ << (cqi_bitlen + pmi_x2_bitlen + pmi_x1_bitlen + padding_bitlen + ri_bitlen)) |
(mac->l1_measurements.rank_indicator << (cqi_bitlen + pmi_x2_bitlen + pmi_x1_bitlen + padding_bitlen)) |
(mac->l1_measurements.i1 << (cqi_bitlen + pmi_x2_bitlen)) |
(mac->l1_measurements.i2 << (cqi_bitlen)) |
(mac->l1_measurements.cqi);
(mac->csirs_measurements.ri << (cqi_bitlen + pmi_x2_bitlen + pmi_x1_bitlen + padding_bitlen)) |
(mac->csirs_measurements.i1 << (cqi_bitlen + pmi_x2_bitlen)) |
(mac->csirs_measurements.i2 << (cqi_bitlen)) |
(mac->csirs_measurements.cqi);
}
temp_payload_1 = reverse_bits(temp_payload_1, p1_bits);
@@ -3106,7 +3102,7 @@ static csi_payload_t get_csirs_RSRP_payload(NR_UE_MAC_INST_t *mac,
}
// TODO: Improvements will be needed to cri_ssbri_bitlen>0
temp_payload = get_rsrp_index(mac->l1_measurements.rsrp_dBm);
temp_payload = get_rsrp_index(mac->csirs_measurements.rsrp_dBm);
temp_payload = reverse_bits(temp_payload, n_bits);
LOG_D(NR_MAC, "cri_ssbri_bitlen = %d\n", cri_ssbri_bitlen);