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srsLTE
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UE stores last PMI and last RI in common phy

This commit is contained in:
Xavier Arteaga 2018-02-19 19:15:38 +01:00
parent 9b1c8aa608
commit 4df6227f5b
4 changed files with 28 additions and 24 deletions
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12
lib/src/phy/ue/ue_dl.c
View File

@ -460,15 +460,15 @@ int srslte_ue_dl_cfg_grant(srslte_ue_dl_t *q, srslte_ra_dl_grant_t *grant, uint3
pmi = grant->pinfo - 1;
} else {
ERROR("Not Implemented (nof_tb=%d, pinfo=%d)", nof_tb, grant->pinfo);
return SRSLTE_ERROR;
pmi = grant->pinfo % 4;
}
} else {
if (grant->pinfo < 2) {
pmi = grant->pinfo;
} else {
ERROR("Not Implemented (nof_tb=%d, pinfo=%d)", nof_tb, grant->pinfo);
return SRSLTE_ERROR;
if (grant->pinfo == 2) {
ERROR("Not implemented codebook index (nof_tb=%d, pinfo=%d)", nof_tb, grant->pinfo);
} else if (grant->pinfo > 2) {
ERROR("Reserved codebook index (nof_tb=%d, pinfo=%d)", nof_tb, grant->pinfo);
}
pmi = grant->pinfo % 2;
}
}
if(SRSLTE_SF_MBSFN == grant->sf_type) {

3
srsue/hdr/phy/phch_common.h
View File

@ -87,6 +87,9 @@ public:
uint32_t last_ul_tti[2*HARQ_DELAY_MS];
srslte_mod_t last_ul_mod[2*HARQ_DELAY_MS];
uint8_t last_ri;
uint8_t last_pmi;
phch_common(uint32_t max_mutex = 3);
void init(phy_interface_rrc::phy_cfg_t *config,
phy_args_t *args,

2
srsue/src/phy/phch_common.cc
View File

@ -48,6 +48,8 @@ phch_common::phch_common(uint32_t max_mutex_) : tx_mutex(max_mutex_)
max_mutex = max_mutex_;
nof_mutex = 0;
rx_gain_offset = 0;
last_ri = 0;
last_pmi = 0;
bzero(&dl_metrics, sizeof(dl_metrics_t));
dl_metrics_read = true;

35
srsue/src/phy/phch_worker.cc
View File

@ -890,19 +890,20 @@ void phch_worker::set_uci_periodic_cqi()
int cqi_fixed = phy->args->cqi_fixed;
int cqi_max = phy->args->cqi_max;
uint8_t ri = (uint8_t) ue_dl.ri;
uint8_t pmi = (uint8_t) ue_dl.pmi[ri];
float sinr = ue_dl.sinr[ri][pmi];
float sinr = ue_dl.sinr[phy->last_ri & SRSLTE_MAX_LAYERS][phy->last_pmi % SRSLTE_MAX_CODEBOOKS];
if (period_cqi.configured && rnti_is_set) {
if (period_cqi.ri_idx_present && srslte_ri_send(period_cqi.pmi_idx, period_cqi.ri_idx, TTI_TX(tti))) {
/* Compute RI, PMI and SINR */
compute_ri(&ri, &pmi, &sinr);
uci_data.uci_ri = ri;
compute_ri(&phy->last_ri, &phy->last_pmi, &sinr);
uci_data.uci_ri = phy->last_ri;
uci_data.uci_ri_len = 1;
uci_data.ri_periodic_report = true;
Debug("PUCCH: Periodic ri=%d\n", ri);
Debug("PUCCH: Periodic ri=%d, SINR=%.1f\n", phy->last_ri, sinr);
} else if (srslte_cqi_send(period_cqi.pmi_idx, TTI_TX(tti))) {
compute_ri(NULL, NULL, NULL);
phy->last_pmi = (uint8_t) ue_dl.pmi[phy->last_ri % SRSLTE_MAX_LAYERS];
srslte_cqi_value_t cqi_report = {0};
if (period_cqi.format_is_subband) {
// TODO: Implement subband periodic reports
@ -923,8 +924,8 @@ void phch_worker::set_uci_periodic_cqi()
}
if (phy->config->dedicated.antenna_info_explicit_value.tx_mode == LIBLTE_RRC_TRANSMISSION_MODE_4) {
cqi_report.wideband.pmi_present = true;
cqi_report.wideband.pmi = pmi;
cqi_report.wideband.rank_is_not_one = (ri != 0);
cqi_report.wideband.pmi = phy->last_pmi;
cqi_report.wideband.rank_is_not_one = (phy->last_ri != 0);
}
Debug("PUCCH: Periodic CQI=%d, SNR=%.1f dB\n", cqi_report.wideband.wideband_cqi, phy->avg_snr_db);
}
@ -936,13 +937,11 @@ void phch_worker::set_uci_periodic_cqi()
void phch_worker::set_uci_aperiodic_cqi()
{
uint8_t ri = (uint8_t) ue_dl.ri;
uint8_t pmi = (uint8_t) ue_dl.pmi[ri];
float sinr_db = ue_dl.sinr[ri][pmi];
float sinr_db = ue_dl.sinr[phy->last_ri % SRSLTE_MAX_LAYERS][phy->last_pmi%SRSLTE_MAX_CODEBOOKS];
if (phy->config->dedicated.cqi_report_cnfg.report_mode_aperiodic_present) {
/* Compute RI, PMI and SINR */
compute_ri(&ri, &pmi, &sinr_db);
compute_ri(&phy->last_ri, &phy->last_pmi, &sinr_db);
switch(phy->config->dedicated.cqi_report_cnfg.report_mode_aperiodic) {
case LIBLTE_RRC_CQI_REPORT_MODE_APERIODIC_RM30:
@ -977,7 +976,7 @@ void phch_worker::set_uci_aperiodic_cqi()
/* Set RI = 1 */
if (phy->config->dedicated.antenna_info_explicit_value.tx_mode == LIBLTE_RRC_TRANSMISSION_MODE_3 ||
phy->config->dedicated.antenna_info_explicit_value.tx_mode == LIBLTE_RRC_TRANSMISSION_MODE_4) {
uci_data.uci_ri = ri;
uci_data.uci_ri = phy->last_ri;
uci_data.uci_ri_len = 1;
} else {
uci_data.uci_ri_len = 0;
@ -1007,13 +1006,13 @@ void phch_worker::set_uci_aperiodic_cqi()
cqi_report.subband_hl.wideband_cqi_cw0 = srslte_cqi_from_snr(sinr_db);
cqi_report.subband_hl.subband_diff_cqi_cw0 = 0; // Always report zero offset on all subbands
if (ri > 0) {
if (phy->last_ri > 0) {
cqi_report.subband_hl.rank_is_not_one = true;
cqi_report.subband_hl.wideband_cqi_cw1 = srslte_cqi_from_snr(sinr_db);
cqi_report.subband_hl.subband_diff_cqi_cw1 = 0; // Always report zero offset on all subbands
}
cqi_report.subband_hl.pmi = pmi;
cqi_report.subband_hl.pmi = phy->last_pmi;
cqi_report.subband_hl.pmi_present = true;
cqi_report.subband_hl.four_antenna_ports = (cell.nof_ports == 4);
@ -1027,7 +1026,7 @@ void phch_worker::set_uci_aperiodic_cqi()
}
uci_data.uci_cqi_len = (uint32_t) cqi_len;
uci_data.uci_ri_len = 1;
uci_data.uci_ri = ri;
uci_data.uci_ri = phy->last_ri;
char cqi_str[SRSLTE_CQI_STR_MAX_CHAR] = {0};
srslte_cqi_to_str(uci_data.uci_cqi, uci_data.uci_cqi_len, cqi_str, SRSLTE_CQI_STR_MAX_CHAR);
@ -1035,11 +1034,11 @@ void phch_worker::set_uci_aperiodic_cqi()
if (cqi_report.subband_hl.rank_is_not_one) {
Info("PUSCH: Aperiodic RM31 ri~1, CQI=%02d/%02d, SINR=%2.1f/%2.1fdB, pmi=%d for %d subbands\n",
cqi_report.subband_hl.wideband_cqi_cw0, cqi_report.subband_hl.wideband_cqi_cw1,
sinr_db, sinr_db, pmi, cqi_report.subband_hl.N);
sinr_db, sinr_db, phy->last_pmi, cqi_report.subband_hl.N);
} else {
Info("PUSCH: Aperiodic RM31 ri=1, CQI=%02d, SINR=%2.1f, pmi=%d for %d subbands\n",
cqi_report.subband_hl.wideband_cqi_cw0,
sinr_db, pmi, cqi_report.subband_hl.N);
sinr_db, phy->last_pmi, cqi_report.subband_hl.N);
}
}
break;