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mcs table for pusch from rrc config

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This commit is contained in:
Francesco Mani
2020-09-25 10:13:26 +02:00
parent a0ec575b3c
commit df369e0cae
3 changed files with 91 additions and 37 deletions
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openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
+34 -2
View File
@@ -1603,11 +1603,9 @@ uint16_t Table_51312[28][2] = {{2,120},{2,193},{2,308},{2,449},{2,602},{4,378},{
uint16_t Table_51313[29][2] = {{2,30},{2,40},{2,50},{2,64},{2,78},{2,99},{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{4,340},
{4,378},{4,434},{4,490},{4,553},{4,616},{6,438},{6,466},{6,517},{6,567},{6,616},{6,666}, {6,719}, {6,772}};
//Table 6.1.4.1-1 of 38.214 TODO fix for tp-pi2BPSK
uint16_t Table_61411[28][2] = {{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{2,679},{4,340},{4,378},{4,434},{4,490},{4,553},{4,616},
{4,658},{6,466},{6,517},{6,567},{6,616},{6,666},{6,719},{6,772},{6,822},{6,873}, {6,910}, {6,948}};
//Table 6.1.4.1-2 of 38.214 TODO fix for tp-pi2BPSK
uint16_t Table_61412[28][2] = {{2,30},{2,40},{2,50},{2,64},{2,78},{2,99},{2,120},{2,157},{2,193},{2,251},{2,308},{2,379},{2,449},{2,526},{2,602},{2,679},
{4,378},{4,434},{4,490},{4,553},{4,616},{4,658},{4,699},{4,772},{6,567},{6,616},{6,666}, {6,772}};
@@ -2471,6 +2469,40 @@ int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,i
return(-1);
}
uint8_t get_pusch_mcs_table(long *mcs_Table,
int is_tp,
int dci_format,
int rnti_type,
int target_ss,
bool config_grant) {
// implementing 6.1.4.1 in 38.214
if (mcs_Table != NULL) {
if (config_grant || (rnti_type == NR_RNTI_CS)) {
if (*mcs_Table == NR_PUSCH_Config__mcs_Table_qam256)
return 1;
else
return (2+(is_tp<<1));
}
else {
if ((*mcs_Table == NR_PUSCH_Config__mcs_Table_qam256) &&
(dci_format == NR_UL_DCI_FORMAT_0_1) &&
((rnti_type == NR_RNTI_C ) || (rnti_type == NR_RNTI_SP_CSI)))
return 1;
// TODO take into account UE configuration
if ((*mcs_Table == NR_PUSCH_Config__mcs_Table_qam64LowSE) &&
(target_ss == NR_SearchSpace__searchSpaceType_PR_ue_Specific) &&
((rnti_type == NR_RNTI_C ) || (rnti_type == NR_RNTI_SP_CSI)))
return (2+(is_tp<<1));
if (rnti_type == NR_RNTI_MCS_C)
return (2+(is_tp<<1));
AssertFatal(1==0,"Invalid configuration to set MCS table");
}
}
else
return (0+(is_tp*3));
}
int binomial(int n, int k) {
int c = 1, i;
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
+9 -1
View File
@@ -60,7 +60,8 @@ typedef enum {
NR_RNTI_INT,
NR_RNTI_TPC_PUSCH,
NR_RNTI_TPC_PUCCH,
NR_RNTI_TPC_SRS
NR_RNTI_TPC_SRS,
NR_RNTI_MCS_C,
} nr_rnti_type_t;
uint16_t config_bandwidth(int mu, int nb_rb, int nr_band);
@@ -100,6 +101,13 @@ int get_nr_prach_info_from_index(uint8_t index,
uint8_t *N_t_slot,
uint8_t *N_dur);
uint8_t get_pusch_mcs_table(long *mcs_Table,
int is_tp,
int dci_format,
int rnti_type,
int target_ss,
bool config_grant);
uint8_t compute_nr_root_seq(NR_RACH_ConfigCommon_t *rach_config,
uint8_t nb_preambles,
uint8_t unpaired);
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+48 -34
View File
@@ -863,6 +863,36 @@ void schedule_fapi_ul_pdu(int Mod_idP,
LOG_D(MAC, "Scheduling UE specific PUSCH\n");
//UL_tti_req = &nr_mac->UL_tti_req[CC_id];
int dci_formats[2];
int rnti_types[2];
NR_SearchSpace_t *ss;
int target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific;
AssertFatal(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList!=NULL,"searchPsacesToAddModList is null\n");
AssertFatal(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count>0,
"searchPsacesToAddModList is empty\n");
int found=0;
for (int i=0;i<bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count;i++) {
ss=bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.array[i];
AssertFatal(ss->controlResourceSetId != NULL,"ss->controlResourceSetId is null\n");
AssertFatal(ss->searchSpaceType != NULL,"ss->searchSpaceType is null\n");
if (ss->searchSpaceType->present == target_ss) {
found=1;
break;
}
}
AssertFatal(found==1,"Couldn't find an adequate searchspace\n");
if (ss->searchSpaceType->choice.ue_Specific->dci_Formats)
dci_formats[0] = NR_UL_DCI_FORMAT_0_1;
else
dci_formats[0] = NR_UL_DCI_FORMAT_0_0;
rnti_types[0] = NR_RNTI_C;
//Resource Allocation in time domain
int startSymbolAndLength=0;
int StartSymbolIndex,NrOfSymbols,mapping_type;
@@ -882,12 +912,7 @@ void schedule_fapi_ul_pdu(int Mod_idP,
pusch_pdu->bwp_start = NRRIV2PRBOFFSET(ubwp->bwp_Common->genericParameters.locationAndBandwidth,275);
pusch_pdu->subcarrier_spacing = ubwp->bwp_Common->genericParameters.subcarrierSpacing;
pusch_pdu->cyclic_prefix = 0;
//pusch information always include
//this informantion seems to be redundant. with hthe mcs_index and the modulation table, the mod_order and target_code_rate can be determined.
pusch_pdu->mcs_index = 9;
pusch_pdu->mcs_table = 0; //0: notqam256 [TS38.214, table 5.1.3.1-1] - corresponds to nr_target_code_rate_table1 in PHY
pusch_pdu->target_code_rate = nr_get_code_rate_ul(pusch_pdu->mcs_index,pusch_pdu->mcs_table) ;
pusch_pdu->qam_mod_order = nr_get_Qm_ul(pusch_pdu->mcs_index,pusch_pdu->mcs_table) ;
if (pusch_Config->transformPrecoder == NULL) {
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder == NULL)
pusch_pdu->transform_precoding = 1;
@@ -901,6 +926,23 @@ void schedule_fapi_ul_pdu(int Mod_idP,
else
pusch_pdu->data_scrambling_id = *scc->physCellId;
pusch_pdu->mcs_index = 9;
if (pusch_pdu->transform_precoding)
pusch_pdu->mcs_table = get_pusch_mcs_table(pusch_Config->mcs_Table, 0,
dci_formats[0], rnti_types[0], target_ss, false);
else
pusch_pdu->mcs_table = get_pusch_mcs_table(pusch_Config->mcs_TableTransformPrecoder, 1,
dci_formats[0], rnti_types[0], target_ss, false);
pusch_pdu->target_code_rate = nr_get_code_rate_ul(pusch_pdu->mcs_index,pusch_pdu->mcs_table);
pusch_pdu->qam_mod_order = nr_get_Qm_ul(pusch_pdu->mcs_index,pusch_pdu->mcs_table);
if (pusch_Config->tp_pi2BPSK!=NULL) {
if(((pusch_pdu->mcs_table==3)&&(pusch_pdu->mcs_index<2)) ||
((pusch_pdu->mcs_table==4)&&(pusch_pdu->mcs_index<6))) {
pusch_pdu->target_code_rate = pusch_pdu->target_code_rate>>1;
pusch_pdu->qam_mod_order = pusch_pdu->qam_mod_order<<1;
}
}
pusch_pdu->nrOfLayers = 1;
//Pusch Allocation in frequency domain [TS38.214, sec 6.1.2.2]
@@ -1054,35 +1096,7 @@ void schedule_fapi_ul_pdu(int Mod_idP,
nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15 = &ul_dci_request_pdu->pdcch_pdu.pdcch_pdu_rel15;
UL_dci_req->numPdus+=1;
int dci_formats[2];
int rnti_types[2];
NR_SearchSpace_t *ss;
int target_ss = NR_SearchSpace__searchSpaceType_PR_ue_Specific;
AssertFatal(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList!=NULL,"searchPsacesToAddModList is null\n");
AssertFatal(bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count>0,
"searchPsacesToAddModList is empty\n");
int found=0;
for (int i=0;i<bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.count;i++) {
ss=bwp->bwp_Dedicated->pdcch_Config->choice.setup->searchSpacesToAddModList->list.array[i];
AssertFatal(ss->controlResourceSetId != NULL,"ss->controlResourceSetId is null\n");
AssertFatal(ss->searchSpaceType != NULL,"ss->searchSpaceType is null\n");
if (ss->searchSpaceType->present == target_ss) {
found=1;
break;
}
}
AssertFatal(found==1,"Couldn't find an adequate searchspace\n");
if (ss->searchSpaceType->choice.ue_Specific->dci_Formats)
dci_formats[0] = NR_UL_DCI_FORMAT_0_1;
else
dci_formats[0] = NR_UL_DCI_FORMAT_0_0;
rnti_types[0] = NR_RNTI_C;
LOG_D(MAC,"Configuring ULDCI/PDCCH in %d.%d\n", frameP,slotP);
int ret = nr_configure_pdcch(nr_mac,