diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c index d83e72c118..32f3045c23 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c @@ -456,9 +456,11 @@ void gNB_dlsch_ulsch_scheduler(module_id_t module_idP, // This schedule SR // TODO - // This schedule CSI measurement reporting - if (UE_info->active[UE_id]) + // This schedule CSI-RS transmission and measurement reporting + if (UE_info->active[UE_id]){ + nr_csirs_scheduling(module_idP, UE_id, frame, slot, slots_per_frame[*scc->ssbSubcarrierSpacing]); nr_csi_meas_reporting(module_idP, UE_id, frame, slot, num_slots_per_tdd, nr_ulmix_slots, slots_per_frame[*scc->ssbSubcarrierSpacing]); + } // This schedule RA procedure if not in phy_test mode // Otherwise already consider 5G already connected diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c index b8f0545a84..e255f7edb3 100644 --- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c +++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c @@ -1880,6 +1880,145 @@ void get_pdsch_to_harq_feedback(int Mod_idP, } +void nr_csirs_scheduling(int Mod_idP, + int UE_id, + frame_t frame, + sub_frame_t slot, + int n_slots_frame){ + + int CC_id = 0; + NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info; + NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl[UE_id]; + NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id]; + NR_CSI_MeasConfig_t *csi_measconfig = secondaryCellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup; + NR_NZP_CSI_RS_Resource_t *nzpcsi; + int period, offset; + gNB_MAC_INST *gNB_mac = RC.nrmac[Mod_idP]; + nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body; + NR_BWP_Downlink_t *bwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[sched_ctrl->active_bwp->bwp_Id-1]; + + AssertFatal(csi_measconfig->nzp_CSI_RS_ResourceToAddModList->list.count>0,"NO CSI report configuration available"); + + for (int id = 0; id < csi_measconfig->nzp_CSI_RS_ResourceToAddModList->list.count; id++){ + nzpcsi = csi_measconfig->nzp_CSI_RS_ResourceToAddModList->list.array[id]; + NR_CSI_RS_ResourceMapping_t resourceMapping = nzpcsi->resourceMapping; + csi_period_offset(NULL,nzpcsi,&period,&offset); + + if((frame*n_slots_frame+slot-offset)%period == 0) { + + nfapi_nr_dl_tti_request_pdu_t *dl_tti_csirs_pdu = &dl_req->dl_tti_pdu_list[dl_req->nPDUs]; + memset((void*)dl_tti_csirs_pdu,0,sizeof(nfapi_nr_dl_tti_request_pdu_t)); + dl_tti_csirs_pdu->PDUType = NFAPI_NR_DL_TTI_CSI_RS_PDU_TYPE; + dl_tti_csirs_pdu->PDUSize = (uint8_t)(2+sizeof(nfapi_nr_dl_tti_csi_rs_pdu)); + + nfapi_nr_dl_tti_csi_rs_pdu_rel15_t *csirs_pdu_rel15 = &dl_tti_csirs_pdu->csi_rs_pdu.csi_rs_pdu_rel15; + + csirs_pdu_rel15->bwp_size = NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275); + csirs_pdu_rel15->bwp_start = NRRIV2PRBOFFSET(bwp->bwp_Common->genericParameters.locationAndBandwidth,275); + csirs_pdu_rel15->subcarrier_spacing = bwp->bwp_Common->genericParameters.subcarrierSpacing; + if (bwp->bwp_Common->genericParameters.cyclicPrefix) + csirs_pdu_rel15->cyclic_prefix = *bwp->bwp_Common->genericParameters.cyclicPrefix; + else + csirs_pdu_rel15->cyclic_prefix = 0; + + csirs_pdu_rel15->start_rb = resourceMapping.freqBand.startingRB; + csirs_pdu_rel15->nr_of_rbs = resourceMapping.freqBand.nrofRBs; + csirs_pdu_rel15->csi_type = 1; // NZP-CSI-RS + csirs_pdu_rel15->symb_l0 = resourceMapping.firstOFDMSymbolInTimeDomain; + if (resourceMapping.firstOFDMSymbolInTimeDomain2) + csirs_pdu_rel15->symb_l1 = *resourceMapping.firstOFDMSymbolInTimeDomain2; + csirs_pdu_rel15->cdm_type = resourceMapping.cdm_Type; + csirs_pdu_rel15->freq_density = resourceMapping.density.present; + if ((resourceMapping.density.present == NR_CSI_RS_ResourceMapping__density_PR_dot5) + && (resourceMapping.density.choice.dot5 == NR_CSI_RS_ResourceMapping__density__dot5_evenPRBs)) + csirs_pdu_rel15->freq_density--; + csirs_pdu_rel15->scramb_id = nzpcsi->scramblingID; + csirs_pdu_rel15->power_control_offset = nzpcsi->powerControlOffset + 8; + if (nzpcsi->powerControlOffsetSS) + csirs_pdu_rel15->power_control_offset_ss = *nzpcsi->powerControlOffsetSS; + switch(resourceMapping.frequencyDomainAllocation.present){ + case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row1: + csirs_pdu_rel15->row = 1; + csirs_pdu_rel15->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.row1.buf[0])>>4)&0x0f; + break; + case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row2: + csirs_pdu_rel15->row = 2; + csirs_pdu_rel15->freq_domain = (((resourceMapping.frequencyDomainAllocation.choice.row1.buf[1]>>4)&0x0f) | + ((resourceMapping.frequencyDomainAllocation.choice.row1.buf[0]<<8)&0xf0)); + break; + case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_row4: + csirs_pdu_rel15->row = 4; + csirs_pdu_rel15->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.row1.buf[0])>>5)&0x0f; + break; + case NR_CSI_RS_ResourceMapping__frequencyDomainAllocation_PR_other: + csirs_pdu_rel15->freq_domain = ((resourceMapping.frequencyDomainAllocation.choice.row1.buf[0])>>2)&0x0f; + // determining the row of table 7.4.1.5.3-1 in 38.211 + switch(resourceMapping.nrofPorts){ + case NR_CSI_RS_ResourceMapping__nrofPorts_p1: + break; + case NR_CSI_RS_ResourceMapping__nrofPorts_p2: + csirs_pdu_rel15->row = 3; + break; + case NR_CSI_RS_ResourceMapping__nrofPorts_p4: + csirs_pdu_rel15->row = 5; + break; + case NR_CSI_RS_ResourceMapping__nrofPorts_p8: + if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) + csirs_pdu_rel15->row = 8; + else{ + int num_k = 0; + for (int k=0; k<6; k++) + num_k+=(((csirs_pdu_rel15->freq_domain)>>k)&0x01); + if(num_k==4) + csirs_pdu_rel15->row = 6; + else + csirs_pdu_rel15->row = 7; + } + break; + case NR_CSI_RS_ResourceMapping__nrofPorts_p12: + if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) + csirs_pdu_rel15->row = 10; + else + csirs_pdu_rel15->row = 9; + break; + case NR_CSI_RS_ResourceMapping__nrofPorts_p16: + if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) + csirs_pdu_rel15->row = 12; + else + csirs_pdu_rel15->row = 11; + break; + case NR_CSI_RS_ResourceMapping__nrofPorts_p24: + if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) + csirs_pdu_rel15->row = 14; + else{ + if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4) + csirs_pdu_rel15->row = 15; + else + csirs_pdu_rel15->row = 13; + } + break; + case NR_CSI_RS_ResourceMapping__nrofPorts_p32: + if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm4_FD2_TD2) + csirs_pdu_rel15->row = 17; + else{ + if (resourceMapping.cdm_Type == NR_CSI_RS_ResourceMapping__cdm_Type_cdm8_FD2_TD4) + csirs_pdu_rel15->row = 18; + else + csirs_pdu_rel15->row = 16; + } + break; + default: + AssertFatal(1==0,"Invalid number of ports in CSI-RS resource\n"); + } + break; + default: + AssertFatal(1==0,"Invalid freqency domain allocation in CSI-RS resource\n"); + } + dl_req->nPDUs++; + } + } +} + uint16_t nr_get_csi_bitlen(int Mod_idP, int UE_id, uint8_t csi_report_id) { @@ -1898,8 +2037,74 @@ uint16_t nr_get_csi_bitlen(int Mod_idP, void csi_period_offset(NR_CSI_ReportConfig_t *csirep, + NR_NZP_CSI_RS_Resource_t *nzpcsi, int *period, int *offset) { + if(nzpcsi != NULL) { + + NR_CSI_ResourcePeriodicityAndOffset_PR p_and_o = nzpcsi->periodicityAndOffset->present; + + switch(p_and_o){ + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots4: + *period = 4; + *offset = nzpcsi->periodicityAndOffset->choice.slots4; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots5: + *period = 5; + *offset = nzpcsi->periodicityAndOffset->choice.slots5; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots8: + *period = 8; + *offset = nzpcsi->periodicityAndOffset->choice.slots8; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots10: + *period = 10; + *offset = nzpcsi->periodicityAndOffset->choice.slots10; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots16: + *period = 16; + *offset = nzpcsi->periodicityAndOffset->choice.slots16; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots20: + *period = 20; + *offset = nzpcsi->periodicityAndOffset->choice.slots20; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots32: + *period = 32; + *offset = nzpcsi->periodicityAndOffset->choice.slots32; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots40: + *period = 40; + *offset = nzpcsi->periodicityAndOffset->choice.slots40; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots64: + *period = 64; + *offset = nzpcsi->periodicityAndOffset->choice.slots64; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots80: + *period = 80; + *offset = nzpcsi->periodicityAndOffset->choice.slots80; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots160: + *period = 160; + *offset = nzpcsi->periodicityAndOffset->choice.slots160; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots320: + *period = 320; + *offset = nzpcsi->periodicityAndOffset->choice.slots320; + break; + case NR_CSI_ResourcePeriodicityAndOffset_PR_slots640: + *period = 640; + *offset = nzpcsi->periodicityAndOffset->choice.slots640; + break; + default: + AssertFatal(1==0,"No periodicity and offset found in CSI resource"); + } + + } + + if(csirep != NULL) { + NR_CSI_ReportPeriodicityAndOffset_PR p_and_o = csirep->reportConfigType.choice.periodic->reportSlotConfig.present; switch(p_and_o){ @@ -1946,6 +2151,7 @@ void csi_period_offset(NR_CSI_ReportConfig_t *csirep, default: AssertFatal(1==0,"No periodicity and offset resource found in CSI report"); } + } } @@ -2048,7 +2254,7 @@ void nr_csi_meas_reporting(int Mod_idP, AssertFatal(csirep->reportConfigType.choice.periodic!=NULL,"Only periodic CSI reporting is implemented currently"); int period, offset, sched_slot; - csi_period_offset(csirep,&period,&offset); + csi_period_offset(csirep,NULL,&period,&offset); sched_slot = (period+offset)%n_slots_frame; // prepare to schedule csi measurement reception according to 5.2.1.4 in 38.214 // preparation is done in first slot of tdd period diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h index 5f5a33eb18..5a342622fe 100644 --- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h +++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h @@ -201,6 +201,12 @@ void nr_schedule_pucch(int Mod_idP, frame_t frameP, sub_frame_t slotP); +void nr_csirs_scheduling(int Mod_idP, + int UE_id, + frame_t frame, + sub_frame_t slot, + int n_slots_frame); + void nr_csi_meas_reporting(int Mod_idP, int UE_id, frame_t frameP, @@ -209,6 +215,10 @@ void nr_csi_meas_reporting(int Mod_idP, int ul_slots, int n_slots_frame); +void csi_period_offset(NR_CSI_ReportConfig_t *csirep, + NR_NZP_CSI_RS_Resource_t *nzpcsi, + int *period, int *offset); + void nr_acknack_scheduling(int Mod_idP, int UE_id, frame_t frameP,