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Commit c15855b9 authored by r.karey's avatar r.karey Committed by guhan
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Bit length calculation for CRI-RSRP

parent 778dec66
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Showing with 30 additions and 233 deletions
openair2/LAYER2/NR_MAC_gNB/config.c
View file @ c15855b9
...@@ -335,6 +335,7 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li ...@@ -335,6 +335,7 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li
uint16_t period, offset; uint16_t period, offset;
NR_CSI_ReportPeriodicityAndOffset_PR p_and_o; NR_CSI_ReportPeriodicityAndOffset_PR p_and_o;
NR_CSI_ResourceConfigId_t csi_ResourceConfigId; 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++){ 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; csi_ResourceConfigId=csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->resourcesForChannelMeasurement;
...@@ -393,13 +394,23 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li ...@@ -393,13 +394,23 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li
else { else {
uint8_t nb_ssb_resources =0; uint8_t nb_ssb_resources =0;
//Finding the CSI_RS or SSB Resources //Finding the CSI_RS or SSB Resources
if ( NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == reportQuantity_type || 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;
NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == reportQuantity_type) { 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){
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 ( 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;
if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled == if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled ==
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.present ) { 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) 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.nb_ssbri_cri = *(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->groupBasedBeamReporting.choice.disabled->nrofReportedRS)+1; 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 else
/*! From Spec 38.331 /*! From Spec 38.331
* nrofReportedRS * nrofReportedRS
...@@ -407,257 +418,43 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li ...@@ -407,257 +418,43 @@ void update_csi_bitlen (NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_list_t *UE_li
* capability. FFS: The signaling mechanism for the gNB to select a subset of N beams for the UE to measure and report. * 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 * When the field is absent the UE applies the value 1
*/ */
UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.nb_ssbri_cri= 1; UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 1;
}else }else
UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.nb_ssbri_cri= 2; 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) { 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++) { 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 == 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 *(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; nb_ssb_resources= csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList.list.count;
UE_list->csi_report_template[UE_id][csi_report_id].SSB_Index_list = csi_MeasConfig->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList.list.array;
UE_list->csi_report_template[UE_id][csi_report_id].CSI_Index_list = NULL;
}
break ; break ;
} }
} else /*if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == UE_list->csi_report_template[UE_id][csi_report_id].reportQuantity_type)*/{ } 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->nzp_CSI_RS_ResourceSetToAddModList->list.count; csi_ssb_idx++) { 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 == 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 *(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->csi_SSB_ResourceSetToAddModList->list.array[csi_ssb_idx]->csi_SSB_ResourceList.list.count; nb_ssb_resources= csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList->list.array[csi_ssb_idx]->nzp_CSI_RS_Resources.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 ; break ;
} }
} }
if (nb_ssb_resources) { if (nb_ssb_resources) {
UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.cri_ssbri_bitlen =ceil(log2 (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.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].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.diff_rsrp_bitlen =4; //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 { } else {
UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.cri_ssbri_bitlen =0; 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.rsrp_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.diff_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", 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.cri_ssbri_bitlen, 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.rsrp_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.diff_rsrp_bitlen); UE_list->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen);
} }
uint8_t ri_restriction;
uint8_t ri_bitlen;
uint8_t nb_allowed_ri;
uint8_t max_ri;
if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI==reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_CQI==reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1_CQI==reportQuantity_type||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1==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;
UE_list->csi_report_template[UE_id][csi_report_id].CSI_Index_list = csi_MeasConfig->nzp_CSI_RS_ResourceSetToAddModList->list.array[csi_ssb_idx]->nzp_CSI_RS_Resources.list.array;
UE_list->csi_report_template[UE_id][csi_report_id].SSB_Index_list = NULL;
}
break ;
}
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cri_bitlen=ceil(log2 (nb_ssb_resources));
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel==
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.present){
switch (RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts) {
case 1:;
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.ri_bitlen=0;
break;
case 2:
/* From Spec 38.212
* If the higher layer parameter nrofCQIsPerReport=1, nRI in Table 6.3.1.1.2-3 is the number of allowed rank indicator
* values in the 4 LSBs of the higher layer parameter typeI-SinglePanel-ri-Restriction according to Subclause 5.2.2.2.1 [6,
* TS 38.214]; otherwise nRI in Table 6.3.1.1.2-3 is the number of allowed rank indicator values according to Subclause
* 5.2.2.2.1 [6, TS 38.214].
*
* But from Current RRC ASN structures nrofCQIsPerReport is not present. Present a dummy variable is present so using it to
* calculate RI for antennas equal or more than two.
* */
AssertFatal (NULL!=csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->dummy, "nrofCQIsPerReport is not present");
ri_restriction = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->typeI_SinglePanel_ri_Restriction.buf[0];
if (0==*(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->dummy)){ /* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
nb_allowed_ri = number_of_bits_set((ri_restriction & 0xf0), &max_ri);
ri_bitlen = ceil(log2(nb_allowed_ri));
}
else{
nb_allowed_ri = number_of_bits_set(ri_restriction, &max_ri);
ri_bitlen = ceil(log2(nb_allowed_ri));
}
ri_bitlen = ri_bitlen<1?ri_bitlen:1; //from the spec 38.212 and table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.ri_bitlen=ri_bitlen;
break;
case 4:
AssertFatal (NULL!=csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->dummy, "nrofCQIsPerReport is not present");
ri_restriction = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->typeI_SinglePanel_ri_Restriction.buf[0];
if (0==*(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->dummy)){ /* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
nb_allowed_ri = number_of_bits_set((ri_restriction & 0xf0), &max_ri);
ri_bitlen = ceil(log2(nb_allowed_ri));
}
else{
nb_allowed_ri = number_of_bits_set(ri_restriction,&max_ri);
ri_bitlen = ceil(log2(nb_allowed_ri));
}
ri_bitlen = ri_bitlen<2?ri_bitlen:2; //from the spec 38.212 and table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.ri_bitlen=ri_bitlen;
break;
case 6:
case 8:
AssertFatal (NULL!=csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->dummy, "nrofCQIsPerReport is not present");
ri_restriction = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->typeI_SinglePanel_ri_Restriction.buf[0];
if (0==*(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->dummy)){ /* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
nb_allowed_ri = number_of_bits_set((ri_restriction & 0xf0),&max_ri);
ri_bitlen = ceil(log2(nb_allowed_ri));
}
else{
nb_allowed_ri = number_of_bits_set(ri_restriction, &max_ri);
ri_bitlen = ceil(log2(nb_allowed_ri));
}
//ri_bitlen = ri_bitlen<1?ri_bitlen:1; //from the spec 38.212 and table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.ri_bitlen=ri_bitlen;
break;
default:
//UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.ri_bitlen=0;
AssertFatal(RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts>8,"Number of antennas %d are out of range", RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts);
break;
}
}
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.li_bitlen=0;
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen=0;
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.pmi_x1_bitlen=0;
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.pmi_x2_bitlen=0;
}
if( NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI==reportQuantity_type ){
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel==
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.present){
switch (RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts) {
case 1:;
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.li_bitlen=0;
break;
case 2:
case 4:
case 6:
case 8:
/* From Spec 38.212
* If the higher layer parameter nrofCQIsPerReport=1, nRI in Table 6.3.1.1.2-3 is the number of allowed rank indicator
* values in the 4 LSBs of the higher layer parameter typeI-SinglePanel-ri-Restriction according to Subclause 5.2.2.2.1 [6,
* TS 38.214]; otherwise nRI in Table 6.3.1.1.2-3 is the number of allowed rank indicator values according to Subclause
* 5.2.2.2.1 [6, TS 38.214].
*
* But from Current RRC ASN structures nrofCQIsPerReport is not present. Present a dummy variable is present so using it to
* calculate RI for antennas equal or more than two.
* */
//! TODO: The bit length of LI is as follows LI = log2(RI), Need to confirm wheather we should consider maximum RI can be reported from ri_restricted
// or we should consider reported RI. If we need to consider reported RI for calculating LI bit length then we need to modify the code.
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.li_bitlen=ceil(log2(max_ri))<2?ceil(log2(max_ri)):2;
break;
default:
AssertFatal(RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts>8,"Number of antennas %d are out of range", RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts);
break;
}
}
}
if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI==reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_CQI==reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1_CQI==reportQuantity_type){
switch (RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts){
case 1:;
case 2:
case 4:
case 6:
case 8:
/* From Spec 38.212
* If the higher layer parameter nrofCQIsPerReport=1, nRI in Table 6.3.1.1.2-3 is the number of allowed rank indicator
* values in the 4 LSBs of the higher layer parameter typeI-SinglePanel-ri-Restriction according to Subclause 5.2.2.2.1 [6,
* TS 38.214]; otherwise nRI in Table 6.3.1.1.2-3 is the number of allowed rank indicator values according to Subclause
* 5.2.2.2.1 [6, TS 38.214].
*
* But from Current RRC ASN structures nrofCQIsPerReport is not present. Present a dummy variable is present so using it to
* calculate RI for antennas equal or more than two.
* */
if (max_ri > 4 && max_ri < 8){
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel==
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.present){
if (NR_CSI_ReportConfig__reportFreqConfiguration__cqi_FormatIndicator_widebandCQI==csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportFreqConfiguration->cqi_FormatIndicator)
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen = 8;
else
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen = 4;
}
}else{ //This condition will work even for type1-multipanel.
if (NR_CSI_ReportConfig__reportFreqConfiguration__cqi_FormatIndicator_widebandCQI==csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportFreqConfiguration->cqi_FormatIndicator)
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen = 4;
else
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen = 2;
}
break;
default:
AssertFatal(RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts>8,"Number of antennas %d are out of range", RC.nrrrc[Mod_idP]->carrier.pdsch_AntennaPorts);
break;
}
}
if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI==reportQuantity_type){
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel==
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.present){
switch (csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->nrOfAntennaPorts.present){
case NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts_PR_two:
if (max_ri ==1)
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.pmi_x1_bitlen = 2;
else if (max_ri ==2)
UE_list->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.pmi_x1_bitlen = 1;
break;
default:
AssertFatal(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->nrOfAntennaPorts.present!=NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts_PR_two,
"Not handled Yet %d", csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->nrOfAntennaPorts.present);
break;
}
}
}
break; break;
} }
} }
......
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