From bcccfcd3a49668337e984407493561e94284c514 Mon Sep 17 00:00:00 2001 From: "r.karey" <r.karey@globaledgesoft.com> Date: Wed, 16 Sep 2020 13:36:52 +0530 Subject: [PATCH] Bit length calculation for CRI-RSRP --- openair2/LAYER2/NR_MAC_gNB/config.c | 79 ++++++++++++++++------------- 1 file changed, 44 insertions(+), 35 deletions(-) diff --git a/openair2/LAYER2/NR_MAC_gNB/config.c b/openair2/LAYER2/NR_MAC_gNB/config.c index af824f7836..1c929f3b8b 100644 --- a/openair2/LAYER2/NR_MAC_gNB/config.c +++ b/openair2/LAYER2/NR_MAC_gNB/config.c @@ -318,6 +318,7 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li uint16_t period, offset; NR_CSI_ReportPeriodicityAndOffset_PR p_and_o; NR_CSI_ResourceConfigId_t csi_ResourceConfigId; + struct NR_CSI_ResourceConfig__csi_RS_ResourceSetList__nzp_CSI_RS_SSB * nzp_CSI_RS_SSB = NULL; 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; @@ -379,58 +380,66 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li //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; + 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){ + if ( NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == UE_list->csi_report_template[UE_id][csi_report_id].reportQuantity_type || + NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == UE_list->csi_report_template[UE_id][csi_report_id].reportQuantity_type) { + //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 + 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; + 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; + + if (NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == UE_list->csi_report_template[UE_id][csi_report_id].reportQuantity_type) { + 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 - 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); + nb_ssb_resources= csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList.list.count; + break ; + } + } else /*if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == UE_list->csi_report_template[UE_id][csi_report_id].reportQuantity_type)*/{ + for ( csi_ssb_idx = 0; csi_ssb_idx < csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.count; csi_ssb_idx++) { + if (csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList->list.array[csi_ssb_idx]->nzp_CSI_ResourceSetId == + *(csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_RS_ResourceSetList.choice.nzp_CSI_RS_SSB->nzp_CSI_RS_ResourceSetList->list.array[0])) ///For periodic and semi-persistent CSI Resource Settings, the number of CSI-RS Resource Sets configured is limited to S=1 for spec 38.212 + + nb_ssb_resources= csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList->list.array[csi_ssb_idx]->nzp_CSI_RS_Resources.list.count; break ; - } + } } + + 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); } - if (0 != UE_list->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report){ - //TODO:Currently configuring only SSB beamreporting. If CSI beamreporting configured then this has to be implemented - } - break; + break; } } } -- 2.26.2