From df369e0cae7a5a35f6d381d989501978c874e7c0 Mon Sep 17 00:00:00 2001 From: Francesco Mani Date: Fri, 25 Sep 2020 10:13:26 +0200 Subject: [PATCH] mcs table for pusch from rrc config --- openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c | 36 +++++++- openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h | 10 ++- .../LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c | 82 +++++++++++-------- 3 files changed, 91 insertions(+), 37 deletions(-) diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c index bc105b9080..8fe83dd40d 100644 --- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c +++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c @@ -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; diff --git a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h index a5e38bf128..f19a46cb34 100644 --- a/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h +++ b/openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h @@ -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); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c index 4e206dd191..678547631f 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c @@ -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;ibwp_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;ibwp_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,