maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Correctly format nr_ue_process_dci_dl_11()

Browse Source
This commit is contained in:
Robert Schmidt
2023-10-12 21:11:38 +02:00
parent 2f0c31637b
commit be9a3375ed
1 changed files with 84 additions and 83 deletions
Download Patch File Download Diff File Expand all files Collapse all files
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+84 -83
View File
@@ -1081,101 +1081,102 @@ static int nr_ue_process_dci_dl_11(module_id_t module_id,
// otherwise 3 bits as defined in Subclause 5.1.5 of [6, TS38.214]
dlsch_pdu->tci_state = dci->transmission_configuration_indication.val;
}
/* SRS_REQUEST */
AssertFatal(dci->srs_request.nbits == 2, "If SUL is supported in the cell, there is an additional bit in SRS request field\n");
if(dci->srs_request.val > 0 )
nr_ue_aperiodic_srs_scheduling(mac, dci->srs_request.val, frame, slot);
/* CBGTI */
dlsch_pdu->cbgti = dci->cbgti.val;
/* CBGFI */
dlsch_pdu->codeBlockGroupFlushIndicator = dci->cbgfi.val;
/* DMRS_SEQ_INI */
//FIXME!!!
/* PDSCH_TO_HARQ_FEEDBACK_TIME_IND */
// according to TS 38.213 Table 9.2.3-1
uint8_t feedback_ti = pucch_Config->dl_DataToUL_ACK->list.array[dci->pdsch_to_harq_feedback_timing_indicator.val][0];
/* SRS_REQUEST */
AssertFatal(dci->srs_request.nbits == 2, "If SUL is supported in the cell, there is an additional bit in SRS request field\n");
if (dci->srs_request.val > 0)
nr_ue_aperiodic_srs_scheduling(mac, dci->srs_request.val, frame, slot);
/* CBGTI */
dlsch_pdu->cbgti = dci->cbgti.val;
/* CBGFI */
dlsch_pdu->codeBlockGroupFlushIndicator = dci->cbgfi.val;
/* DMRS_SEQ_INI */
// FIXME!!!
AssertFatal(feedback_ti > DURATION_RX_TO_TX,
"PDSCH to HARQ feedback time (%d) needs to be higher than DURATION_RX_TO_TX (%d). Min feedback time set in config "
"file (min_rxtxtime).\n",
feedback_ti,
DURATION_RX_TO_TX);
/* PDSCH_TO_HARQ_FEEDBACK_TIME_IND */
// according to TS 38.213 Table 9.2.3-1
uint8_t feedback_ti = pucch_Config->dl_DataToUL_ACK->list.array[dci->pdsch_to_harq_feedback_timing_indicator.val][0];
// set the harq status at MAC for feedback
set_harq_status(mac,
dci->pucch_resource_indicator,
dci->harq_pid,
dlsch_pdu->accumulated_delta_PUCCH,
feedback_ti,
dci->dai[0].val,
dci_ind->n_CCE,
dci_ind->N_CCE,
frame,
slot);
AssertFatal(feedback_ti > DURATION_RX_TO_TX,
"PDSCH to HARQ feedback time (%d) needs to be higher than DURATION_RX_TO_TX (%d). Min feedback time set in config "
"file (min_rxtxtime).\n",
feedback_ti,
DURATION_RX_TO_TX);
dl_conf_req->pdu_type = FAPI_NR_DL_CONFIG_TYPE_DLSCH;
LOG_D(MAC, "(nr_ue_procedures.c) pdu_type=%d\n\n", dl_conf_req->pdu_type);
// set the harq status at MAC for feedback
set_harq_status(mac,
dci->pucch_resource_indicator,
dci->harq_pid,
dlsch_pdu->accumulated_delta_PUCCH,
feedback_ti,
dci->dai[0].val,
dci_ind->n_CCE,
dci_ind->N_CCE,
frame,
slot);
dl_config->number_pdus++; // The DCI configuration is valid, we add it in the list
dl_conf_req->pdu_type = FAPI_NR_DL_CONFIG_TYPE_DLSCH;
LOG_D(MAC, "(nr_ue_procedures.c) pdu_type=%d\n\n", dl_conf_req->pdu_type);
// send the ack/nack slot number to phy to indicate tx thread to wait for DLSCH decoding
dlsch_pdu->k1_feedback = feedback_ti;
dl_config->number_pdus++; // The DCI configuration is valid, we add it in the list
/* TODO same calculation for MCS table as done in UL */
dlsch_pdu->mcs_table = (pdsch_Config->mcs_Table) ? (*pdsch_Config->mcs_Table + 1) : 0;
dlsch_pdu->qamModOrder = nr_get_Qm_dl(dlsch_pdu->mcs, dlsch_pdu->mcs_table);
int R = nr_get_code_rate_dl(dlsch_pdu->mcs, dlsch_pdu->mcs_table);
dlsch_pdu->targetCodeRate = R;
if (dlsch_pdu->qamModOrder == 0) {
LOG_W(MAC, "Invalid code rate or Mod order, likely due to unexpected DL DCI.\n");
return -1;
}
uint8_t Nl = 0;
for (int i = 0; i < 12; i++) { // max 12 ports
if ((dlsch_pdu->dmrs_ports >> i) & 0x01)
// send the ack/nack slot number to phy to indicate tx thread to wait for DLSCH decoding
dlsch_pdu->k1_feedback = feedback_ti;
/* TODO same calculation for MCS table as done in UL */
dlsch_pdu->mcs_table = (pdsch_Config->mcs_Table) ? (*pdsch_Config->mcs_Table + 1) : 0;
dlsch_pdu->qamModOrder = nr_get_Qm_dl(dlsch_pdu->mcs, dlsch_pdu->mcs_table);
int R = nr_get_code_rate_dl(dlsch_pdu->mcs, dlsch_pdu->mcs_table);
dlsch_pdu->targetCodeRate = R;
if (dlsch_pdu->qamModOrder == 0) {
LOG_W(MAC, "Invalid code rate or Mod order, likely due to unexpected DL DCI.\n");
return -1;
}
uint8_t Nl = 0;
for (int i = 0; i < 12; i++) { // max 12 ports
if ((dlsch_pdu->dmrs_ports >> i) & 0x01)
Nl += 1;
}
int nb_rb_oh = 0; // it was not computed at UE side even before and set to 0 in nr_compute_tbs
int nb_re_dmrs = ((dmrs_type == NULL) ? 6 : 4) * dlsch_pdu->n_dmrs_cdm_groups;
if (R > 0)
dlsch_pdu->TBS = nr_compute_tbs(dlsch_pdu->qamModOrder,
R,
dlsch_pdu->number_rbs,
dlsch_pdu->number_symbols,
nb_re_dmrs * get_num_dmrs(dlsch_pdu->dlDmrsSymbPos),
nb_rb_oh,
0,
Nl);
}
int nb_rb_oh = 0; // it was not computed at UE side even before and set to 0 in nr_compute_tbs
int nb_re_dmrs = ((dmrs_type == NULL) ? 6 : 4) * dlsch_pdu->n_dmrs_cdm_groups;
if (R > 0)
dlsch_pdu->TBS = nr_compute_tbs(dlsch_pdu->qamModOrder,
R,
dlsch_pdu->number_rbs,
dlsch_pdu->number_symbols,
nb_re_dmrs * get_num_dmrs(dlsch_pdu->dlDmrsSymbPos),
nb_rb_oh,
0,
Nl);
// TBS_LBRM according to section 5.4.2.1 of 38.212
long *maxMIMO_Layers = current_DL_BWP->pdsch_servingcellconfig->ext1->maxMIMO_Layers;
AssertFatal(maxMIMO_Layers != NULL, "Option with max MIMO layers not configured is not supported\n");
int nl_tbslbrm = *maxMIMO_Layers < 4 ? *maxMIMO_Layers : 4;
int bw_tbslbrm = get_dlbw_tbslbrm(current_DL_BWP->initial_BWPSize, mac->cg);
dlsch_pdu->tbslbrm = nr_compute_tbslbrm(dlsch_pdu->mcs_table, bw_tbslbrm, nl_tbslbrm);
/*PTRS configuration */
dlsch_pdu->pduBitmap = 0;
if(pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS != NULL) {
bool valid_ptrs_setup =
set_dl_ptrs_values(pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup,
dlsch_pdu->number_rbs,
dlsch_pdu->mcs,
dlsch_pdu->mcs_table,
&dlsch_pdu->PTRSFreqDensity,
&dlsch_pdu->PTRSTimeDensity,
&dlsch_pdu->PTRSPortIndex,
&dlsch_pdu->nEpreRatioOfPDSCHToPTRS,
&dlsch_pdu->PTRSReOffset,
dlsch_pdu->number_symbols);
if(valid_ptrs_setup==true) {
// TBS_LBRM according to section 5.4.2.1 of 38.212
long *maxMIMO_Layers = current_DL_BWP->pdsch_servingcellconfig->ext1->maxMIMO_Layers;
AssertFatal(maxMIMO_Layers != NULL, "Option with max MIMO layers not configured is not supported\n");
int nl_tbslbrm = *maxMIMO_Layers < 4 ? *maxMIMO_Layers : 4;
int bw_tbslbrm = get_dlbw_tbslbrm(current_DL_BWP->initial_BWPSize, mac->cg);
dlsch_pdu->tbslbrm = nr_compute_tbslbrm(dlsch_pdu->mcs_table, bw_tbslbrm, nl_tbslbrm);
/*PTRS configuration */
dlsch_pdu->pduBitmap = 0;
if (pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS != NULL) {
bool valid_ptrs_setup =
set_dl_ptrs_values(pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->phaseTrackingRS->choice.setup,
dlsch_pdu->number_rbs,
dlsch_pdu->mcs,
dlsch_pdu->mcs_table,
&dlsch_pdu->PTRSFreqDensity,
&dlsch_pdu->PTRSTimeDensity,
&dlsch_pdu->PTRSPortIndex,
&dlsch_pdu->nEpreRatioOfPDSCHToPTRS,
&dlsch_pdu->PTRSReOffset,
dlsch_pdu->number_symbols);
if (valid_ptrs_setup == true) {
dlsch_pdu->pduBitmap |= 0x1;
LOG_D(MAC, "DL PTRS values: PTRS time den: %d, PTRS freq den: %d\n", dlsch_pdu->PTRSTimeDensity, dlsch_pdu->PTRSFreqDensity);
}
}
// the prepared dci is valid, we add it in the list
dl_config->number_pdus++;
return 0;
}
// the prepared dci is valid, we add it in the list
dl_config->number_pdus++;
return 0;
}
int8_t nr_ue_process_dci(module_id_t module_id,