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.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c index a3c9b84cf5..3e833db485 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c @@ -514,20 +514,15 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP, } else UE_list->fiveG_connected[UE_id] = true; - if (get_softmodem_params()->phy_test) { - + if (UE_list->fiveG_connected[UE_id]) { // TbD once RACH is available, start ta_timer when UE is connected if (ue_sched_ctl->ta_timer) ue_sched_ctl->ta_timer--; if (ue_sched_ctl->ta_timer == 0) { - gNB->ta_command = ue_sched_ctl->ta_update; + ue_sched_ctl->ta_apply = true; /* if time is up, then set the timer to not send it for 5 frames // regardless of the TA value */ ue_sched_ctl->ta_timer = 100; - /* reset ta_update */ - ue_sched_ctl->ta_update = 31; - /* MAC CE flag indicating TA length */ - gNB->ta_len = 2; } } @@ -542,8 +537,7 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP, ue_sched_ctl->current_harq_pid = slot % num_slots_per_tdd; nr_update_pucch_scheduling(module_idP, UE_id, frame, slot, num_slots_per_tdd,&pucch_sched); nr_schedule_uss_dlsch_phytest(module_idP, frame, slot, &UE_list->UE_sched_ctrl[UE_id].sched_pucch[pucch_sched], NULL); - // resetting ta flag - gNB->ta_len = 0; + ue_sched_ctl->ta_apply = false; } if (UE_list->fiveG_connected[UE_id]) diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c index 495095ce9e..86b35254a4 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c @@ -94,13 +94,13 @@ int nr_generate_dlsch_pdu(module_id_t module_idP, // now TA is always send when ta_timer resets regardless of its value // this is done to avoid issues with the timeAlignmentTimer which is // supposed to monitor if the UE received TA or not */ - if (gNB->ta_len) { + if (ue_sched_ctl->ta_apply) { mac_pdu_ptr->R = 0; mac_pdu_ptr->LCID = DL_SCH_LCID_TA_COMMAND; //last_size = 1; mac_pdu_ptr++; // TA MAC CE (1 octet) - timing_advance_cmd = gNB->ta_command; + timing_advance_cmd = ue_sched_ctl->ta_update; AssertFatal(timing_advance_cmd < 64, "timing_advance_cmd %d > 63\n", timing_advance_cmd); ((NR_MAC_CE_TA *) ce_ptr)->TA_COMMAND = timing_advance_cmd; //(timing_advance_cmd+31)&0x3f; diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c index f786db8ba9..678547631f 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c @@ -596,7 +596,7 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP, LOG_D(MAC, "In nr_schedule_uss_dlsch_phytest frame %d slot %d\n",frameP,slotP); - int post_padding = 0, ta_len = 0, header_length_total = 0, sdu_length_total = 0, num_sdus = 0; + int post_padding = 0, header_length_total = 0, sdu_length_total = 0, num_sdus = 0; int lcid, offset, i, header_length_last, TBS_bytes = 0; int UE_id = 0, CC_id = 0; @@ -615,12 +615,13 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP, unsigned char sdu_lcids[NB_RB_MAX] = {0}; uint16_t sdu_lengths[NB_RB_MAX] = {0}; uint16_t rnti = UE_list->rnti[UE_id]; + NR_UE_sched_ctrl_t *ue_sched_ctl = &UE_list->UE_sched_ctrl[UE_id]; uint8_t mac_sdus[MAX_NR_DLSCH_PAYLOAD_BYTES]; LOG_D(MAC, "Scheduling UE specific search space DCI type 1\n"); - ta_len = gNB_mac->ta_len; + int ta_len = (ue_sched_ctl->ta_apply)?2:0; TBS_bytes = configure_fapi_dl_pdu(module_idP, dl_req, @@ -862,6 +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; @@ -881,12 +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; @@ -900,6 +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] @@ -1053,35 +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, diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index e2a82d3c71..00eea3ebc7 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -1465,6 +1465,8 @@ int add_new_nr_ue(module_id_t mod_idP, rnti_t rntiP){ memset((void *) &UE_list->UE_sched_ctrl[UE_id], 0, sizeof(NR_UE_sched_ctrl_t)); + UE_list->UE_sched_ctrl[UE_id].ta_timer = 100; + UE_list->UE_sched_ctrl[UE_id].ta_update = 31; UE_list->UE_sched_ctrl[UE_id].ul_rssi = 0; UE_list->UE_sched_ctrl[UE_id].sched_pucch = (NR_sched_pucch *)malloc(num_slots_ul*sizeof(NR_sched_pucch)); UE_list->UE_sched_ctrl[UE_id].sched_pusch = (NR_sched_pusch *)malloc(num_slots_ul*sizeof(NR_sched_pusch)); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c index bb0dad7064..d66ec9c52f 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c @@ -339,7 +339,8 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP, // if not missed detection (10dB threshold for now) if (UE_scheduling_control->ul_rssi < (100+rssi)) { UE_scheduling_control->tpc0 = nr_get_tpc(target_snrx10,ul_cqi,30); - UE_scheduling_control->ta_update = timing_advance; + if (timing_advance != 0xffff) + UE_scheduling_control->ta_update = timing_advance; UE_scheduling_control->ul_rssi = rssi; LOG_D(MAC, "[UE %d] PUSCH TPC %d and TA %d\n",UE_id,UE_scheduling_control->tpc0,UE_scheduling_control->ta_update); } diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h index bd8f0208c6..04fb0c6995 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h @@ -289,6 +289,7 @@ typedef struct { NR_sched_pusch *sched_pusch; uint16_t ta_timer; int16_t ta_update; + bool ta_apply; uint8_t tpc0; uint8_t tpc1; uint16_t ul_rssi; @@ -353,10 +354,6 @@ typedef struct gNB_MAC_INST_s { int pusch_target_snrx10; /// Pucch target SNR int pucch_target_snrx10; - /// TA command - int ta_command; - /// MAC CE flag indicating TA length - int ta_len; /// Common cell resources NR_COMMON_channels_t common_channels[NFAPI_CC_MAX]; /// current PDU index (BCH,DLSCH)