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Commit c3627daa authored by francescomani's avatar francescomani
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update in CSI meas computation, including PMI for 2 port

parent 2959b347
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Showing with 103 additions and 91 deletions
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
View file @ c3627daa
......@@ -149,7 +149,7 @@ void nr_schedule_pucch(int Mod_idP,
//! Calculating number of bits set
uint8_t number_of_bits_set (uint8_t buf,uint8_t * max_ri){
uint8_t number_of_bits_set (uint8_t buf){
uint8_t nb_of_bits_set = 0;
uint8_t mask = 0xff;
uint8_t index = 0;
......@@ -160,14 +160,13 @@ uint8_t number_of_bits_set (uint8_t buf,uint8_t * max_ri){
mask>>=1;
}
*max_ri = 8-index;
return nb_of_bits_set;
}
void compute_rsrp_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig,
uint8_t nb_resources,
nr_csi_report_t *csi_report){
nr_csi_report_t *csi_report) {
if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled == csi_reportconfig->groupBasedBeamReporting.present) {
if (NULL != csi_reportconfig->groupBasedBeamReporting.choice.disabled->nrofReportedRS)
......@@ -199,42 +198,24 @@ uint8_t compute_ri_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig,
nr_csi_report_t *csi_report){
struct NR_CodebookConfig *codebookConfig = csi_reportconfig->codebookConfig;
uint8_t nb_allowed_ri, ri_restriction,ri_bitlen;
uint8_t max_ri = 0;
uint8_t nb_allowed_ri, ri_bitlen;
uint8_t ri_restriction = 0;
if (codebookConfig == NULL) {
csi_report->csi_meas_bitlen.ri_bitlen=0;
return max_ri;
return ri_restriction;
}
// codebook type1 single panel
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel==codebookConfig->codebookType.choice.type1->subType.present){
struct NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel *type1single = codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel;
if (type1single->nrOfAntennaPorts.present == NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts_PR_two){
// two antenna ports case
/* 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_reportconfig->dummy, "nrofCQIsPerReport is not present");
ri_restriction = csi_reportconfig->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->typeI_SinglePanel_ri_Restriction.buf[0];
/* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
if (0==*(csi_reportconfig->dummy)){
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);
nb_allowed_ri = number_of_bits_set(ri_restriction);
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
csi_report->csi_meas_bitlen.ri_bitlen=ri_bitlen;
}
......@@ -242,86 +223,94 @@ uint8_t compute_ri_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig,
if (type1single->nrOfAntennaPorts.choice.moreThanTwo->n1_n2.present ==
NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_two_one_TypeI_SinglePanel_Restriction) {
// 4 ports
AssertFatal (NULL!=csi_reportconfig->dummy, "nrofCQIsPerReport is not present");
ri_restriction = csi_reportconfig->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->typeI_SinglePanel_ri_Restriction.buf[0];
/* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present*/
if (0==*(csi_reportconfig->dummy)){
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);
nb_allowed_ri = number_of_bits_set(ri_restriction);
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
csi_report->csi_meas_bitlen.ri_bitlen=ri_bitlen;
}
else {
// more than 4 ports
AssertFatal (NULL!=csi_reportconfig->dummy, "nrofCQIsPerReport is not present");
ri_restriction = csi_reportconfig->codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->typeI_SinglePanel_ri_Restriction.buf[0];
/* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
if (0==*(csi_reportconfig->dummy)){
nb_allowed_ri = number_of_bits_set((ri_restriction & 0xf0),&max_ri);
nb_allowed_ri = number_of_bits_set(ri_restriction);
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));
}
csi_report->csi_meas_bitlen.ri_bitlen=ri_bitlen;
}
}
return max_ri;
return ri_restriction;
}
else
AssertFatal(1==0,"Other configurations not yet implemented\n");
}
void compute_li_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig,
uint8_t max_ri,
uint8_t ri_restriction,
nr_csi_report_t *csi_report){
struct NR_CodebookConfig *codebookConfig = csi_reportconfig->codebookConfig;
if (codebookConfig == NULL) {
csi_report->csi_meas_bitlen.li_bitlen=0;
return;
}
for(int i=0; i<8; i++) {
if (codebookConfig == NULL || ((ri_restriction>>i)&0x01) == 0)
csi_report->csi_meas_bitlen.li_bitlen[i]=0;
else {
// codebook type1 single panel
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel==codebookConfig->codebookType.choice.type1->subType.present){
/* 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.
csi_report->csi_meas_bitlen.li_bitlen=ceil(log2(max_ri))<2?ceil(log2(max_ri)):2;
}
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel==codebookConfig->codebookType.choice.type1->subType.present)
csi_report->csi_meas_bitlen.li_bitlen[i]=ceil(log2(i+1))<2?ceil(log2(i+1)):2;
else
AssertFatal(1==0,"Other configurations not yet implemented\n");
}
}
}
void compute_pmi_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig,
uint8_t ri_restriction,
nr_csi_report_t *csi_report){
struct NR_CodebookConfig *codebookConfig = csi_reportconfig->codebookConfig;
for(int i=0; i<8; i++) {
csi_report->csi_meas_bitlen.pmi_x1_bitlen[i]=0;
csi_report->csi_meas_bitlen.pmi_x2_bitlen[i]=0;
if (codebookConfig == NULL || ((ri_restriction>>i)&0x01) == 0)
return;
else {
if(codebookConfig->codebookType.present == NR_CodebookConfig__codebookType_PR_type1) {
if(codebookConfig->codebookType.choice.type1->subType.present == NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel) {
if(codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel->nrOfAntennaPorts.present ==
NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts_PR_two) {
if (i==0)
csi_report->csi_meas_bitlen.pmi_x1_bitlen[i]=2;
if (i==1)
csi_report->csi_meas_bitlen.pmi_x1_bitlen[i]=1;
}
else
AssertFatal(1==0,"More than 2 port not yet implemented\n");
}
else
AssertFatal(1==0,"Type1 Multi-panel Codebook Config not yet implemented\n");
}
else
AssertFatal(1==0,"Type2 Codebook Config not yet implemented\n");
}
}
}
void compute_cqi_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig,
uint8_t max_ri,
uint8_t ri_restriction,
nr_csi_report_t *csi_report){
struct NR_CodebookConfig *codebookConfig = csi_reportconfig->codebookConfig;
struct NR_CSI_ReportConfig__reportFreqConfiguration *freq_config = csi_reportconfig->reportFreqConfiguration;
if (*freq_config->cqi_FormatIndicator == NR_CSI_ReportConfig__reportFreqConfiguration__cqi_FormatIndicator_widebandCQI) {
csi_report->csi_meas_bitlen.cqi_bitlen = 4;
for(int i=0; i<8; i++) {
if ((ri_restriction>>i)&0x01) {
csi_report->csi_meas_bitlen.cqi_bitlen[i] = 4;
if(codebookConfig != NULL) {
if (NR_CodebookConfig__codebookType__type1__subType_PR_typeI_SinglePanel == codebookConfig->codebookType.choice.type1->subType.present){
struct NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel *type1single = codebookConfig->codebookType.choice.type1->subType.choice.typeI_SinglePanel;
......@@ -329,22 +318,27 @@ void compute_cqi_bitlen(struct NR_CSI_ReportConfig *csi_reportconfig,
if (type1single->nrOfAntennaPorts.choice.moreThanTwo->n1_n2.present >
NR_CodebookConfig__codebookType__type1__subType__typeI_SinglePanel__nrOfAntennaPorts__moreThanTwo__n1_n2_PR_two_one_TypeI_SinglePanel_Restriction) {
// more than 4 antenna ports
if (max_ri > 4)
csi_report->csi_meas_bitlen.cqi_bitlen += 4; // CQI for second TB
if (i > 4)
csi_report->csi_meas_bitlen.cqi_bitlen[i] += 4; // CQI for second TB
}
}
}
}
}
else
csi_report->csi_meas_bitlen.cqi_bitlen[i] = 0;
}
}
else
AssertFatal(1==0,"Sub-band CQI reporting not yet supported");
}
//!TODO : same function can be written to handle csi_resources
void compute_csi_bitlen(NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_info_t *UE_info, int UE_id, module_id_t Mod_idP){
uint8_t csi_report_id = 0;
uint8_t nb_resources = 0;
uint8_t max_ri = 0;
uint8_t ri_restriction;
NR_CSI_ReportConfig__reportQuantity_PR reportQuantity_type;
NR_CSI_ResourceConfigId_t csi_ResourceConfigId;
struct NR_CSI_ResourceConfig *csi_resourceconfig;
......@@ -417,8 +411,14 @@ void compute_csi_bitlen(NR_CSI_MeasConfig_t *csi_MeasConfig, NR_UE_info_t *UE_in
break;
case (NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_CQI):
csi_report->csi_meas_bitlen.cri_bitlen=ceil(log2(nb_resources));
max_ri = compute_ri_bitlen(csi_reportconfig, csi_report);
compute_cqi_bitlen(csi_reportconfig, max_ri, csi_report);
ri_restriction = compute_ri_bitlen(csi_reportconfig, csi_report);
compute_cqi_bitlen(csi_reportconfig, ri_restriction, csi_report);
break;
case (NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI):
csi_report->csi_meas_bitlen.cri_bitlen=ceil(log2(nb_resources));
ri_restriction = compute_ri_bitlen(csi_reportconfig, csi_report);
compute_cqi_bitlen(csi_reportconfig, ri_restriction, csi_report);
compute_pmi_bitlen(csi_reportconfig, ri_restriction, csi_report);
break;
default:
AssertFatal(1==0,"Not yet supported CSI report quantity type");
......@@ -431,7 +431,8 @@ uint16_t nr_get_csi_bitlen(int Mod_idP,
int UE_id,
uint8_t csi_report_id) {
uint16_t csi_bitlen =0;
uint16_t csi_bitlen = 0;
uint16_t max_bitlen = 0;
NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
L1_RSRP_bitlen_t * CSI_report_bitlen = NULL;
CSI_Meas_bitlen_t * csi_meas_bitlen = NULL;
......@@ -444,7 +445,18 @@ uint16_t nr_get_csi_bitlen(int Mod_idP,
(CSI_report_bitlen->nb_ssbri_cri -1 )));
} else{
csi_meas_bitlen = &(UE_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen); //This might need to be moodif for Aperiodic CSI-RS measurements
csi_bitlen+= (csi_meas_bitlen->cri_bitlen +csi_meas_bitlen->ri_bitlen+csi_meas_bitlen->li_bitlen+csi_meas_bitlen->cqi_bitlen+csi_meas_bitlen->pmi_x1_bitlen+csi_meas_bitlen->pmi_x2_bitlen);
uint16_t temp_bitlen;
for (int i=0; i<8; i++) {
temp_bitlen = (csi_meas_bitlen->cri_bitlen+
csi_meas_bitlen->ri_bitlen+
csi_meas_bitlen->li_bitlen[i]+
csi_meas_bitlen->cqi_bitlen[i]+
csi_meas_bitlen->pmi_x1_bitlen[i]+
csi_meas_bitlen->pmi_x2_bitlen[i]);
if(temp_bitlen>max_bitlen)
max_bitlen = temp_bitlen;
}
csi_bitlen += max_bitlen;
}
return csi_bitlen;
......
openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
View file @ c3627daa
......@@ -469,10 +469,10 @@ typedef struct {
typedef struct{
uint8_t cri_bitlen;
uint8_t ri_bitlen;
uint8_t li_bitlen;
uint8_t pmi_x1_bitlen;
uint8_t pmi_x2_bitlen;
uint8_t cqi_bitlen;
uint8_t li_bitlen[8];
uint8_t pmi_x1_bitlen[8];
uint8_t pmi_x2_bitlen[8];
uint8_t cqi_bitlen[8];
} CSI_Meas_bitlen_t;
typedef struct nr_csi_report {
......
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