diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c index 4e46603dc92c9d9ed8a9e620886c78cfcc63e63b..468cb708f46d7b0cba4be7483214132dce067761 100644 --- a/openair2/LAYER2/NR_MAC_gNB/config.c +++ b/openair2/LAYER2/NR_MAC_gNB/config.c @@ -301,6 +301,80 @@ void config_common(int Mod_idP, int pdsch_AntennaPorts, NR_ServingCellConfigComm } +//!TODO : smae function can be written to handle csi_resources +void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_list, int UE_id) { + uint8_t csi_report_id = 0; + uint8_t csi_resourceidx =0; + uint8_t csi_ssb_idx =0; + NR_CSI_ResourceConfigId_t csi_ResourceConfigId; + for (csi_report_id=0; csi_report_id < csi_MeasConfig->csi_ReportConfigToAddModList->list.count; csi_report_id++){ + csi_ResourceConfigId=csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->resourcesForChannelMeasurement; + UE_list->csi_report_template[UE_id][csi_report_id].reportQuantity_type = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportQuantity.present; + + for ( csi_resourceidx = 0; csi_resourceidx < csi_MeasConfig->csi_ResourceConfigToAddModList->list.count; csi_resourceidx++) { + if ( csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_ResourceConfigId != csi_ResourceConfigId) + continue; + else { + //Finding the CSI_RS or SSB Resources + UE_list->csi_report_template[UE_id][csi_report_id].CSI_Resource_type= csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.present; + if (NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR_nzp_CSI_RS_SSB ==UE_list->csi_report_template[UE_id][csi_report_id].CSI_Resource_type){ + struct NR_CSI_ResourceConfig__csi_RS_ResourceSetList__nzp_CSI_RS_SSB * nzp_CSI_RS_SSB = csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB; + + UE_list->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report = nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList!=NULL ? nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList->list.count:0; + UE_list->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report = nzp_CSI_RS_SSB->csi_SSB_ResourceSetList!=NULL ? nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.count:0; + } + + if (0 != UE_list->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report){ + uint8_t nb_ssb_resources =0; + for ( csi_ssb_idx = 0; csi_ssb_idx < csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.count; csi_ssb_idx++) { + if (csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceSetId == + *(csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->csi_SSB_ResourceSetList->list.array[0])) { ///We can configure only one SSB resource set from spec 38.331 IE CSI-ResourceConfig + if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled == + csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.present ) { + if (NULL != csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.choice.disabled->nrofReportedRS) + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri = *(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.choice.disabled->nrofReportedRS)+1; + else + /*! From Spec 38.331 + * nrofReportedRS + * The number (N) of measured RS resources to be reported per report setting in a non-group-based report. N <= N_max, where N_max is either 2 or 4 depending on UE + * capability. FFS: The signaling mechanism for the gNB to select a subset of N beams for the UE to measure and report. + * When the field is absent the UE applies the value 1 + */ + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 1; + }else + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 2; + + nb_ssb_resources= csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList.list.count; + if (nb_ssb_resources){ + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =ceil(log2 (nb_ssb_resources)); + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen = 7; //From spec 38.212 Table 6.3.1.1.2-6: CRI, SSBRI, and RSRP + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen =4; //From spec 38.212 Table 6.3.1.1.2-6: CRI, SSBRI, and RSRP + } + else{ + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =0; + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen = 0; + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen =0; + } + + LOG_I (MAC, "UCI: CSI_bit len : ssbri %d, rsrp: %d, diff_rsrp: %d", + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen, + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen, + UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen); + break ; + } + } + } + if (0 != UE_list->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report){ + AssertFatal(1==0,"Currently configuring only SSB beamreporting."); + } + break; + } + } + } +} + + + int rrc_mac_config_req_gNB(module_id_t Mod_idP, int ssb_SubcarrierOffset, int pdsch_AntennaPorts, @@ -364,6 +438,7 @@ int rrc_mac_config_req_gNB(module_id_t Mod_idP, UE_list->secondaryCellGroup[UE_id] = secondaryCellGroup; LOG_I(PHY,"Modified UE_id %d/%x with secondaryCellGroup\n",UE_id,rnti); } + update_csi_bitlen (secondaryCellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup, UE_list, UE_id); } VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_MAC_CONFIG, VCD_FUNCTION_OUT); diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index 91fff0e5780836dedc693aee0d985445682259e9..1cfa660ddfb4fb74f9627b320ea3d0852bd5d3c1 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -1558,6 +1558,25 @@ void get_pdsch_to_harq_feedback(int Mod_idP, } +uint16_t get_csi_bitlen(int Mod_idP, + int UE_id) { + + uint8_t csi_report_id =0; + uint16_t csi_bitlen =0; + NR_UE_list_t *UE_list = &RC.nrmac[Mod_idP]->UE_list; + CRI_SSBRI_RSRP_bitlen_t * CSI_report_bitlen = NULL; //This might need to be modified for Aperiodic CSI-RS measurements + + NR_CSI_MeasConfig_t *csi_MeasConfig = UE_list->secondaryCellGroup[UE_id]->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup; + for (csi_report_id = 0; csi_report_id < csi_MeasConfig->csi_ReportConfigToAddModList->list.count; csi_report_id++){ + CSI_report_bitlen = &(UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0]); //This might need to be moodif for Aperiodic CSI-RS measurements + csi_bitlen+= ((CSI_report_bitlen->cri_ssbri_bitlen * CSI_report_bitlen->nb_ssbri_cri) + + CSI_report_bitlen->rsrp_bitlen +(CSI_report_bitlen->diff_rsrp_bitlen * + (CSI_report_bitlen->nb_ssbri_cri -1 )) *UE_list->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report); + } + return csi_bitlen; +} + + void nr_csi_meas_reporting(int Mod_idP, int UE_id, frame_t frame, @@ -1675,7 +1694,7 @@ void nr_csi_meas_reporting(int Mod_idP, } } } - curr_pucch->csi_bits = 11; // TODO function to compute CSI meas report bit size + curr_pucch->csi_bits = get_csi_bitlen(Mod_idP,UE_id); // TODO function to compute CSI meas report bit size curr_pucch->frame = frame; curr_pucch->ul_slot = slot; } diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h index 20897d522b6b62c796071304247dbb3fa58349e4..fab9e388def01f0c0b4695e55f7e2a4c8618d27c 100644 --- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h @@ -282,6 +282,8 @@ int allocate_nr_CCEs(gNB_MAC_INST *nr_mac, int m ); +void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_list, int UE_id); + int get_dlscs(nfapi_nr_config_request_t *cfg); int get_ulscs(nfapi_nr_config_request_t *cfg); diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h index c6def5535250cc91f5809a3a0cf2414dfdf82fff..1bb8b9ab406d10c80722385b5c3f7025ba689eb4 100644 --- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h +++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h @@ -283,6 +283,25 @@ typedef struct NR_UE_ul_harq { NR_UL_harq_states_t state; } NR_UE_ul_harq_t; + +typedef struct { + uint8_t nb_ssbri_cri; + uint8_t cri_ssbri_bitlen; + uint8_t rsrp_bitlen; + uint8_t diff_rsrp_bitlen; +}CRI_SSBRI_RSRP_bitlen_t; + + +#define MAX_CSI_RESOURCE_SET_IN_CSI_RESOURCE_CONFIG 16 +typedef struct nr_csi_report { + NR_CSI_ReportConfig__reportQuantity_PR reportQuantity_type; + NR_CSI_ResourceConfig__csi_RS_ResourceSetList_PR CSI_Resource_type; + uint8_t nb_of_nzp_csi_report; + uint8_t nb_of_csi_ssb_report; + CRI_SSBRI_RSRP_bitlen_t CSI_report_bitlen[MAX_CSI_RESOURCE_SET_IN_CSI_RESOURCE_CONFIG]; +} nr_csi_report_t; + + /*! \brief scheduling control information set through an API */ typedef struct { uint64_t dlsch_in_slot_bitmap; // static bitmap signaling which slot in a tdd period contains dlsch @@ -307,9 +326,11 @@ typedef struct NR_preamble_ue { } NR_preamble_ue; /*! \brief UE list used by gNB to order UEs/CC for scheduling*/ +#define MAX_CSI_REPORTCONFIG 48 typedef struct { DLSCH_PDU DLSCH_pdu[4][MAX_MOBILES_PER_GNB]; /// scheduling control info + nr_csi_report_t csi_report_template[MAX_MOBILES_PER_GNB][MAX_CSI_REPORTCONFIG]; NR_UE_sched_ctrl_t UE_sched_ctrl[MAX_MOBILES_PER_GNB]; int next[MAX_MOBILES_PER_GNB]; int head;