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Commit 898f7520 authored by Francesco Mani's avatar Francesco Mani Committed by guhan
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uci mac functions in a new file

parent dfa39d54
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
View file @ 898f7520
......@@ -56,141 +56,6 @@
uint16_t nr_pdcch_order_table[6] = { 31, 31, 511, 2047, 2047, 8191 };
#define MAX_SSB_SCHED 8
#define L1_RSRP_HYSTERIS 10 //considering 10 dBm as hysterisis for avoiding frequent SSB Beam Switching. !Fixme provide exact value if any
//#define L1_DIFF_RSRP_STEP_SIZE 2
#define MAX_NUM_SSB 128
#define MIN_RSRP_VALUE -141
//Measured RSRP Values Table 10.1.16.1-1 from 36.133
//Stored all the upper limits[Max RSRP Value of corresponding index]
//stored -1 for invalid values
int L1_SSB_CSI_RSRP_measReport_mapping_38133_10_1_6_1_1[128] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, //0 - 9
-1, -1, -1, -1, -1, -1, -140, -139, -138, -137, //10 - 19
-136, -135, -134, -133, -132, -131, -130, -129, -128, -127, //20 - 29
-126, -125, -124, -123, -122, -121, -120, -119, -118, -117, //30 - 39
-116, -115, -114, -113, -112, -111, -110, -109, -108, -107, //40 - 49
-106, -105, -104, -103, -102, -101, -100, -99, -98, -97, //50 - 59
-96, -95, -94, -93, -92, -91, -90, -89, -88, -87, //60 - 69
-86, -85, -84, -83, -82, -81, -80, -79, -78, -77, //70 - 79
-76, -75, -74, -73, -72, -71, -70, -69, -68, -67, //80 - 89
-66, -65, -64, -63, -62, -61, -60, -59, -58, -57, //90 - 99
-56, -55, -54, -53, -52, -51, -50, -49, -48, -47, //100 - 109
-46, -45, -44, -44, -1, -1, -1, -1, -1, -1, //110 - 119
-1, -1, -1, -1, -1, -1, -1, -1//120 - 127
};
//Differential RSRP values Table 10.1.6.1-2 from 36.133
//Stored the upper limits[MAX RSRP Value]
int diff_rsrp_ssb_csi_meas_10_1_6_1_2[16] = {
0, -2, -4, -6, -8, -10, -12, -14, -16, -18, //0 - 9
-20, -22, -24, -26, -28, -30 //10 - 15
};
//returns the measured RSRP value (upper limit)
int get_measured_rsrp(uint8_t index) {
//if index is invalid returning minimum rsrp -140
if((index >= 0 && index <= 15) || index >= 114)
return MIN_RSRP_VALUE;
return L1_SSB_CSI_RSRP_measReport_mapping_38133_10_1_6_1_1[index];
}
//returns the differential RSRP value (upper limit)
int get_diff_rsrp(uint8_t index, int strongest_rsrp) {
if(strongest_rsrp != -1) {
return strongest_rsrp + diff_rsrp_ssb_csi_meas_10_1_6_1_2[index];
} else
return MIN_RSRP_VALUE;
}
int checkTargetSSBInFirst64TCIStates_pdschConfig(int ssb_index_t, int Mod_idP, int UE_id) {
NR_UE_list_t *UE_list = &RC.nrmac[Mod_idP]->UE_list;
NR_CellGroupConfig_t *secondaryCellGroup = UE_list->secondaryCellGroup[UE_id] ;
int nb_tci_states = secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.count;
NR_TCI_State_t *tci =NULL;
int i;
for(i=0; i<nb_tci_states && i<64; i++) {
tci = (NR_TCI_State_t *)secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.array[i];
if(tci != NULL) {
if(tci->qcl_Type1.referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
if(tci->qcl_Type1.referenceSignal.choice.ssb == ssb_index_t)
return tci->tci_StateId; // returned TCI state ID
}
// if type2 is configured
else if(tci->qcl_Type2 != NULL && tci->qcl_Type2->referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
if(tci->qcl_Type2->referenceSignal.choice.ssb == ssb_index_t)
return tci->tci_StateId; // returned TCI state ID
} else LOG_I(MAC,"SSB index is not found in first 64 TCI states of TCI_statestoAddModList[%d]", i);
}
}
// tci state not identified in first 64 TCI States of PDSCH Config
return -1;
}
int checkTargetSSBInTCIStates_pdcchConfig(int ssb_index_t, int Mod_idP, int UE_id) {
NR_UE_list_t *UE_list = &RC.nrmac[Mod_idP]->UE_list;
NR_CellGroupConfig_t *secondaryCellGroup = UE_list->secondaryCellGroup[UE_id] ;
int nb_tci_states = secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.count;
NR_TCI_State_t *tci =NULL;
NR_TCI_StateId_t *tci_id = NULL;
int bwp_id = 1;
NR_BWP_Downlink_t *bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1];
NR_ControlResourceSet_t *coreset = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.array[bwp_id-1];
int i;
int flag = 0;
int tci_stateID = -1;
for(i=0; i<nb_tci_states && i<128; i++) {
tci = (NR_TCI_State_t *)secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.array[i];
if(tci != NULL && tci->qcl_Type1.referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
if(tci->qcl_Type1.referenceSignal.choice.ssb == ssb_index_t) {
flag = 1;
tci_stateID = tci->tci_StateId;
break;
} else if(tci->qcl_Type2 != NULL && tci->qcl_Type2->referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
flag = 1;
tci_stateID = tci->tci_StateId;
break;
}
}
if(flag != 0 && tci_stateID != -1 && coreset != NULL) {
for(i=0; i<64 && i<coreset->tci_StatesPDCCH_ToAddList->list.count; i++) {
tci_id = coreset->tci_StatesPDCCH_ToAddList->list.array[i];
if(tci_id != NULL && *tci_id == tci_stateID)
return tci_stateID;
}
}
}
// Need to implement once configuration is received
return -1;
}
int ssb_index_sorted[MAX_NUM_SSB] = {0};
int ssb_rsrp_sorted[MAX_NUM_SSB] = {0};
//Sorts ssb_index and ssb_rsrp array data and keeps in ssb_index_sorted and
//ssb_rsrp_sorted respectively
void ssb_rsrp_sort(int *ssb_index, int *ssb_rsrp) {
int i, j;
for(i = 0; *(ssb_index+i) != 0; i++) {
for(j = i; *(ssb_index+j) != 0; j++) {
if(*(ssb_rsrp+j) >= *(ssb_rsrp+i)) {
ssb_index_sorted[i] = *(ssb_index+j);
ssb_rsrp_sorted[i] = *(ssb_rsrp+j);
}
}
}
}
void clear_mac_stats(gNB_MAC_INST *gNB) {
memset((void*)gNB->UE_info.mac_stats,0,MAX_MOBILES_PER_GNB*sizeof(NR_mac_stats_t));
}
......@@ -224,223 +89,6 @@ void dump_mac_stats(gNB_MAC_INST *gNB)
}
}
//identifies the target SSB Beam index
//keeps the required date for PDCCH and PDSCH TCI state activation/deactivation CE consutruction globally
//handles triggering of PDCCH and PDSCH MAC CEs
void tci_handling(module_id_t Mod_idP, int UE_id, int CC_id, NR_UE_sched_ctrl_t *sched_ctrl, frame_t frame, slot_t slot) {
int strongest_ssb_rsrp = 0;
int cqi_idx = 0;
int curr_ssb_beam_index = 0; //ToDo: yet to know how to identify the serving ssb beam index
uint8_t target_ssb_beam_index = curr_ssb_beam_index;
//uint8_t max_reported_RSRP = 16;
//int serving_SSB_Beam_RSRP;
uint8_t is_triggering_ssb_beam_switch =0;
uint8_t ssb_idx = 0;
int pdsch_bwp_id =0;
int ssb_index[MAX_NUM_SSB] = {0};
int ssb_rsrp[MAX_NUM_SSB] = {0};
uint8_t idx = 0;
int bwp_id = 1;
NR_UE_list_t *UE_list = &RC.nrmac[Mod_idP]->UE_list;
//NR_COMMON_channels_t *cc = RC.nrmac[Mod_idP]->common_channels;
NR_CellGroupConfig_t *secondaryCellGroup = UE_list->secondaryCellGroup[UE_id];
NR_BWP_Downlink_t *bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1];
//NR_CSI_MeasConfig_t *csi_MeasConfig = UE_list->secondaryCellGroup[UE_id]->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup;
//bwp indicator
int n_dl_bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count;
uint8_t nr_ssbri_cri = 0;
uint8_t nb_of_csi_ssb_report = UE_list->csi_report_template[UE_id][cqi_idx].nb_of_csi_ssb_report;
//uint8_t bitlen_ssbri = log (nb_of_csi_ssb_report)/log (2);
//uint8_t max_rsrp_reported = -1;
int better_rsrp_reported = -140-(-0); /*minimum_measured_RSRP_value - minimum_differntail_RSRP_value*///considering the minimum RSRP value as better RSRP initially
uint8_t diff_rsrp_idx = 0;
uint8_t i, j;
if (n_dl_bwp < 4)
pdsch_bwp_id = bwp_id;
else
pdsch_bwp_id = bwp_id - 1; // as per table 7.3.1.1.2-1 in 38.212
/*Example:
CRI_SSBRI: 1 2 3 4| 5 6 7 8| 9 10 1 2|
nb_of_csi_ssb_report = 3 //3 sets as above
nr_ssbri_cri = 4 //each set has 4 elements
storing ssb indexes in ssb_index array as ssb_index[0] = 1 .. ssb_index[4] = 5
ssb_rsrp[0] = strongest rsrp in first set, ssb_rsrp[4] = strongest rsrp in second set, ..
idx: resource set index
*/
//for all reported SSB
for (idx = 0; idx < nb_of_csi_ssb_report; idx++) {
nr_ssbri_cri = sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri;
//if group based beam Reporting is disabled
/*if(NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled ==
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[0]->groupBasedBeamReporting.present ) {*/
//extracting the ssb indexes
for (ssb_idx = 0; ssb_idx < nr_ssbri_cri; ssb_idx++) {
ssb_index[idx * nb_of_csi_ssb_report + ssb_idx] = sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI[ssb_idx];
}
//if strongest measured RSRP is configured
strongest_ssb_rsrp = get_measured_rsrp(sched_ctrl->CSI_report[idx].choice.ssb_cri_report.RSRP);
ssb_rsrp[idx * nb_of_csi_ssb_report] = strongest_ssb_rsrp;
LOG_I(MAC,"ssb_rsrp = %d\n",strongest_ssb_rsrp);
//if current ssb rsrp is greater than better rsrp
if(ssb_rsrp[idx * nb_of_csi_ssb_report] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report];
target_ssb_beam_index = idx * nb_of_csi_ssb_report;
}
for(diff_rsrp_idx =1; diff_rsrp_idx < nr_ssbri_cri; diff_rsrp_idx++) {
ssb_rsrp[idx * nb_of_csi_ssb_report + diff_rsrp_idx] = get_diff_rsrp(sched_ctrl->CSI_report[idx].choice.ssb_cri_report.diff_RSRP[diff_rsrp_idx-1], strongest_ssb_rsrp);
//if current reported rsrp is greater than better rsrp
if(ssb_rsrp[idx * nb_of_csi_ssb_report + diff_rsrp_idx] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report + diff_rsrp_idx];
target_ssb_beam_index = idx * nb_of_csi_ssb_report + diff_rsrp_idx;
}
}
#if 0
//}
//if group based beam reporting is enabled
else if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled !=
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[0]->groupBasedBeamReporting.present ) {
//extracting the ssb indexes
//for group based reporting only 2 SSB RS are reported, 38.331
for (ssb_idx = 0; ssb_idx < 2; ssb_idx++) {
ssb_index[idx * nb_of_csi_ssb_report + ssb_idx] = sched_ctrl->CSI_report[UE_id][idx].choice.ssb_cri_report.CRI_SSBRI[ssb_idx];
}
strongest_ssb_rsrp = get_measured_rsrp(sched_ctrl->CSI_report[UE_id][idx].choice.ssb_cri_report.RSRP);
ssb_rsrp[idx * nb_of_csi_ssb_report] = strongest_ssb_rsrp;
if(ssb_rsrp[idx * nb_of_csi_ssb_report] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report];
target_ssb_beam_index = idx * nb_of_csi_ssb_report;
}
ssb_rsrp[idx * nb_of_csi_ssb_report + 1] = get_diff_rsrp(sched_ctrl->CSI_report[UE_id][idx].choice.ssb_cri_report.diff_RSRP[diff_rsrp_idx], strongest_ssb_rsrp);
if(ssb_rsrp[idx * nb_of_csi_ssb_report + 1] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report + 1];
target_ssb_beam_index = idx * nb_of_csi_ssb_report + 1;
}
}
#endif
}
if(ssb_index[target_ssb_beam_index] != ssb_index[curr_ssb_beam_index] && ssb_rsrp[target_ssb_beam_index] > ssb_rsrp[curr_ssb_beam_index]) {
if( ssb_rsrp[target_ssb_beam_index] - ssb_rsrp[curr_ssb_beam_index] > L1_RSRP_HYSTERIS) {
is_triggering_ssb_beam_switch = 1;
LOG_I(MAC, "Triggering ssb beam switching using tci\n");
}
}
if(is_triggering_ssb_beam_switch) {
//filling pdcch tci state activativation mac ce structure fields
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.is_scheduled = 1;
//OAI currently focusing on Non CA usecase hence 0 is considered as serving
//cell id
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.servingCellId = 0; //0 for PCell as 38.331 v15.9.0 page 353 //serving cell id for which this MAC CE applies
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.coresetId = 0; //coreset id for which the TCI State id is being indicated
/* 38.321 v15.8.0 page 66
TCI State ID: This field indicates the TCI state identified by TCI-StateId as specified in TS 38.331 [5] applicable
to the Control Resource Set identified by CORESET ID field.
If the field of CORESET ID is set to 0,
this field indicates a TCI-StateId for a TCI state of the first 64 TCI-states configured by tci-States-ToAddModList and tciStates-ToReleaseList in the PDSCH-Config in the active BWP.
If the field of CORESET ID is set to the other value than 0,
this field indicates a TCI-StateId configured by tci-StatesPDCCH-ToAddList and tciStatesPDCCH-ToReleaseList in the controlResourceSet identified by the indicated CORESET ID.
The length of the field is 7 bits
*/
if(sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.coresetId == 0) {
int tci_state_id = checkTargetSSBInFirst64TCIStates_pdschConfig(ssb_index[target_ssb_beam_index], Mod_idP, UE_id);
if( tci_state_id != -1)
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
else {
//identify the best beam within first 64 TCI States of PDSCH
//Config TCI-states-to-addModList
int flag = 0;
for(i =0; ssb_index_sorted[i]!=0; i++) {
tci_state_id = checkTargetSSBInFirst64TCIStates_pdschConfig(ssb_index_sorted[i], Mod_idP, UE_id) ;
if(tci_state_id != -1 && ssb_rsrp_sorted[i] > ssb_rsrp[curr_ssb_beam_index] && ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] > L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
flag = 1;
break;
}
}
if(flag == 0 || ssb_rsrp_sorted[i] < ssb_rsrp[curr_ssb_beam_index] || ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] < L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.is_scheduled = 0;
}
}
} else {
int tci_state_id = checkTargetSSBInTCIStates_pdcchConfig(ssb_index[target_ssb_beam_index], Mod_idP, UE_id);
if (tci_state_id !=-1)
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
else {
//identify the best beam within CORESET/PDCCH
////Config TCI-states-to-addModList
int flag = 0;
for(i =0; ssb_index_sorted[i]!=0; i++) {
tci_state_id = checkTargetSSBInTCIStates_pdcchConfig(ssb_index_sorted[i], Mod_idP, UE_id);
if( tci_state_id != -1 && ssb_rsrp_sorted[i] > ssb_rsrp[curr_ssb_beam_index] && ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] > L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
flag = 1;
break;
}
}
if(flag == 0 || ssb_rsrp_sorted[i] < ssb_rsrp[curr_ssb_beam_index] || ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] < L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.is_scheduled = 0;
}
}
}
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tci_present_inDCI = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.array[bwp_id-1]->tci_PresentInDCI;
//filling pdsch tci state activation deactivation mac ce structure fields
if(sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tci_present_inDCI) {
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.is_scheduled = 1;
/*
Serving Cell ID: This field indicates the identity of the Serving Cell for which the MAC CE applies
Considering only PCell exists. Serving cell index of PCell is always 0, hence configuring 0
*/
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.servingCellId = 0;
/*
BWP ID: This field indicates a DL BWP for which the MAC CE applies as the codepoint of the DCI bandwidth
part indicator field as specified in TS 38.212
*/
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.bwpId = pdsch_bwp_id;
/*
* TODO ssb_rsrp_sort() API yet to code to find 8 best beams, rrc configuration
* is required
*/
for(i = 0; i<8; i++) {
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.tciStateActDeact[i] = i;
}
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.highestTciStateActivated = 8;
for(i = 0, j =0; i<MAX_TCI_STATES; i++) {
if(sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.tciStateActDeact[i]) {
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.codepoint[j] = i;
j++;
}
}
}//tci_presentInDCI
}//is-triggering_beam_switch
}//tci handling
void clear_nr_nfapi_information(gNB_MAC_INST *gNB,
int CC_idP,
......@@ -645,6 +293,59 @@ void schedule_nr_SRS(module_id_t module_idP, frame_t frameP, sub_frame_t subfram
}
}
*/
/*
void copy_nr_ulreq(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
{
int CC_id;
gNB_MAC_INST *mac = RC.nrmac[module_idP];
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
nfapi_ul_config_request_t *ul_req = &mac->UL_tti_req[CC_id];
*ul_req = *ul_req_tmp;
// Restore the pointer
ul_req->ul_config_request_body.ul_config_pdu_list = ul_req_pdu;
ul_req->sfn_sf = (frameP<<7) + slotP;
ul_req_tmp->ul_config_request_body.number_of_pdus = 0;
if (ul_req->ul_config_request_body.number_of_pdus>0)
{
LOG_D(PHY, "%s() active NOW (frameP:%d slotP:%d) pdus:%d\n", __FUNCTION__, frameP, slotP, ul_req->ul_config_request_body.number_of_pdus);
}
memcpy((void*)ul_req->ul_config_request_body.ul_config_pdu_list,
(void*)ul_req_tmp->ul_config_request_body.ul_config_pdu_list,
ul_req->ul_config_request_body.number_of_pdus*sizeof(nfapi_ul_config_request_pdu_t));
}
}
*/
void nr_schedule_pusch(int Mod_idP,
int UE_id,
int num_slots_per_tdd,
int ul_slots,
frame_t frameP,
sub_frame_t slotP) {
nfapi_nr_ul_tti_request_t *UL_tti_req = &RC.nrmac[Mod_idP]->UL_tti_req[0];
NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
int k = slotP + ul_slots - num_slots_per_tdd;
NR_sched_pusch *pusch = &UE_info->UE_sched_ctrl[UE_id].sched_pusch[k];
if ((pusch->active == true) && (frameP == pusch->frame) && (slotP == pusch->slot)) {
UL_tti_req->SFN = pusch->frame;
UL_tti_req->Slot = pusch->slot;
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_type = NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE;
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pdu_size = sizeof(nfapi_nr_pusch_pdu_t);
UL_tti_req->pdus_list[UL_tti_req->n_pdus].pusch_pdu = pusch->pusch_pdu;
UL_tti_req->n_pdus+=1;
memset((void *) &UE_info->UE_sched_ctrl[UE_id].sched_pusch[k],
0, sizeof(NR_sched_pusch));
}
}
bool is_xlsch_in_slot(uint64_t bitmap, sub_frame_t slot) {
return (bitmap >> slot) & 0x01;
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
View file @ 898f7520
......@@ -1830,6 +1830,76 @@ bool find_free_CCE(module_id_t module_id,
return true;
}
int checkTargetSSBInFirst64TCIStates_pdschConfig(int ssb_index_t, int Mod_idP, int UE_id) {
NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id] ;
int nb_tci_states = secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.count;
NR_TCI_State_t *tci =NULL;
int i;
for(i=0; i<nb_tci_states && i<64; i++) {
tci = (NR_TCI_State_t *)secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.array[i];
if(tci != NULL) {
if(tci->qcl_Type1.referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
if(tci->qcl_Type1.referenceSignal.choice.ssb == ssb_index_t)
return tci->tci_StateId; // returned TCI state ID
}
// if type2 is configured
else if(tci->qcl_Type2 != NULL && tci->qcl_Type2->referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
if(tci->qcl_Type2->referenceSignal.choice.ssb == ssb_index_t)
return tci->tci_StateId; // returned TCI state ID
} else LOG_I(MAC,"SSB index is not found in first 64 TCI states of TCI_statestoAddModList[%d]", i);
}
}
// tci state not identified in first 64 TCI States of PDSCH Config
return -1;
}
int checkTargetSSBInTCIStates_pdcchConfig(int ssb_index_t, int Mod_idP, int UE_id) {
NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id] ;
int nb_tci_states = secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.count;
NR_TCI_State_t *tci =NULL;
NR_TCI_StateId_t *tci_id = NULL;
int bwp_id = 1;
NR_BWP_Downlink_t *bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1];
NR_ControlResourceSet_t *coreset = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.array[bwp_id-1];
int i;
int flag = 0;
int tci_stateID = -1;
for(i=0; i<nb_tci_states && i<128; i++) {
tci = (NR_TCI_State_t *)secondaryCellGroup->spCellConfig->spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup->tci_StatesToAddModList->list.array[i];
if(tci != NULL && tci->qcl_Type1.referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
if(tci->qcl_Type1.referenceSignal.choice.ssb == ssb_index_t) {
flag = 1;
tci_stateID = tci->tci_StateId;
break;
} else if(tci->qcl_Type2 != NULL && tci->qcl_Type2->referenceSignal.present == NR_QCL_Info__referenceSignal_PR_ssb) {
flag = 1;
tci_stateID = tci->tci_StateId;
break;
}
}
if(flag != 0 && tci_stateID != -1 && coreset != NULL) {
for(i=0; i<64 && i<coreset->tci_StatesPDCCH_ToAddList->list.count; i++) {
tci_id = coreset->tci_StatesPDCCH_ToAddList->list.array[i];
if(tci_id != NULL && *tci_id == tci_stateID)
return tci_stateID;
}
}
}
// Need to implement once configuration is received
return -1;
}
/*void fill_nfapi_coresets_and_searchspaces(NR_CellGroupConfig_t *cg,
nfapi_nr_coreset_t *coreset,
nfapi_nr_search_space_t *search_space) {
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_uci.c
View file @ 898f7520
......@@ -80,6 +80,56 @@ void nr_fill_nfapi_pucch(module_id_t mod_id,
pucch->sr_flag);
}
#define MIN_RSRP_VALUE -141
#define MAX_NUM_SSB 128
#define MAX_SSB_SCHED 8
#define L1_RSRP_HYSTERIS 10 //considering 10 dBm as hysterisis for avoiding frequent SSB Beam Switching. !Fixme provide exact value if any
//#define L1_DIFF_RSRP_STEP_SIZE 2
int ssb_index_sorted[MAX_NUM_SSB] = {0};
int ssb_rsrp_sorted[MAX_NUM_SSB] = {0};
//Sorts ssb_index and ssb_rsrp array data and keeps in ssb_index_sorted and
//ssb_rsrp_sorted respectively
void ssb_rsrp_sort(int *ssb_index, int *ssb_rsrp) {
int i, j;
for(i = 0; *(ssb_index+i) != 0; i++) {
for(j = i; *(ssb_index+j) != 0; j++) {
if(*(ssb_rsrp+j) >= *(ssb_rsrp+i)) {
ssb_index_sorted[i] = *(ssb_index+j);
ssb_rsrp_sorted[i] = *(ssb_rsrp+j);
}
}
}
}
//Measured RSRP Values Table 10.1.16.1-1 from 36.133
//Stored all the upper limits[Max RSRP Value of corresponding index]
//stored -1 for invalid values
int L1_SSB_CSI_RSRP_measReport_mapping_38133_10_1_6_1_1[128] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, //0 - 9
-1, -1, -1, -1, -1, -1, -140, -139, -138, -137, //10 - 19
-136, -135, -134, -133, -132, -131, -130, -129, -128, -127, //20 - 29
-126, -125, -124, -123, -122, -121, -120, -119, -118, -117, //30 - 39
-116, -115, -114, -113, -112, -111, -110, -109, -108, -107, //40 - 49
-106, -105, -104, -103, -102, -101, -100, -99, -98, -97, //50 - 59
-96, -95, -94, -93, -92, -91, -90, -89, -88, -87, //60 - 69
-86, -85, -84, -83, -82, -81, -80, -79, -78, -77, //70 - 79
-76, -75, -74, -73, -72, -71, -70, -69, -68, -67, //80 - 89
-66, -65, -64, -63, -62, -61, -60, -59, -58, -57, //90 - 99
-56, -55, -54, -53, -52, -51, -50, -49, -48, -47, //100 - 109
-46, -45, -44, -44, -1, -1, -1, -1, -1, -1, //110 - 119
-1, -1, -1, -1, -1, -1, -1, -1//120 - 127
};
//Differential RSRP values Table 10.1.6.1-2 from 36.133
//Stored the upper limits[MAX RSRP Value]
int diff_rsrp_ssb_csi_meas_10_1_6_1_2[16] = {
0, -2, -4, -6, -8, -10, -12, -14, -16, -18, //0 - 9
-20, -22, -24, -26, -28, -30 //10 - 15
};
void nr_schedule_pucch(int Mod_idP,
frame_t frameP,
sub_frame_t slotP) {
......@@ -106,74 +156,299 @@ 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 nb_of_bits_set = 0;
uint8_t mask = 0xff;
uint8_t index = 0;
for (index=7; (buf & mask) && (index>=0) ; index--){
if (buf & (1<<index))
nb_of_bits_set++;
mask>>=1;
}
*max_ri = 8-index;
return nb_of_bits_set;
}
//!TODO : same function can be written to handle csi_resources
void compute_csi_bitlen (NR_CellGroupConfig_t *secondaryCellGroup, NR_UE_info_t *UE_info, int UE_id) {
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 csi_resourceidx =0;
uint8_t csi_ssb_idx =0;
NR_CSI_MeasConfig_t *csi_MeasConfig = secondaryCellGroup->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup;
NR_CSI_ReportConfig__reportQuantity_PR reportQuantity_type;
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_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportQuantity.present;
reportQuantity_type = csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportQuantity.present;
UE_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type = reportQuantity_type;
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;
if ( csi_MeasConfig->csi_ResourceConfigToAddModList->list.array[csi_resourceidx]->csi_ResourceConfigId != csi_ResourceConfigId)
continue;
else {
//Finding the CSI_RS or SSB Resources
UE_info->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_info->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_info->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_info->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;
uint8_t nb_ssb_resources =0;
//Finding the CSI_RS or SSB Resources
if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == reportQuantity_type) {
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_info->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;
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_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.nb_ssbri_cri= 1;
}else
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.nb_ssbri_cri= 2;
if (NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == UE_info->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;
UE_info->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_info->csi_report_template[UE_id][csi_report_id].CSI_Index_list = NULL;
}
break;
}
} else /*if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == UE_info->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++) {
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_info->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_info->csi_report_template[UE_id][csi_report_id].SSB_Index_list = NULL;
}
break;
}
}
if (nb_ssb_resources) {
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.cri_ssbri_bitlen =ceil(log2 (nb_ssb_resources));
UE_info->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_info->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
} else {
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.cri_ssbri_bitlen =0;
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.rsrp_bitlen = 0;
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.diff_rsrp_bitlen =0;
}
LOG_I (MAC, "UCI: CSI_bit len : ssbri %d, rsrp: %d, diff_rsrp: %d",
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.cri_ssbri_bitlen,
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.rsrp_bitlen,
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.diff_rsrp_bitlen);
}
if (0 != UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report){
uint8_t nb_ssb_resources =0;
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->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_info->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_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].nb_ssbri_cri= 1;
} else
UE_info->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_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =ceil(log2 (nb_ssb_resources));
UE_info->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_info->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_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen =0;
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen = 0;
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen =0;
}
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_info->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_info->csi_report_template[UE_id][csi_report_id].SSB_Index_list = NULL;
}
break;
}
UE_info->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_info->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];
/* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
if (0==*(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->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);
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_info->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];
/* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
if (0==*(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->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);
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_info->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];
/* Replace dummy with the nrofCQIsPerReport from the CSIreport
config when equalent ASN structure present */
if (0==*(csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->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);
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_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.ri_bitlen=ri_bitlen;
break;
default:
//UE_info->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);
}
}
UE_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.li_bitlen=0;
UE_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen=0;
UE_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.pmi_x1_bitlen=0;
UE_info->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_info->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_info->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);
}
}
}
LOG_I (MAC, "UCI: CSI_bit len : ssbri %d, rsrp: %d, diff_rsrp: %d\n",
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].cri_ssbri_bitlen,
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].rsrp_bitlen,
UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen[0].diff_rsrp_bitlen);
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_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen = 8;
else
UE_info->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_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.cqi_bitlen = 4;
else
UE_info->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);
}
}
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_info->csi_report_template[UE_id][csi_report_id].csi_meas_bitlen.pmi_x1_bitlen = 2;
else if (max_ri ==2)
UE_info->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;
}
}
}
if (0 != UE_info->csi_report_template[UE_id][csi_report_id].nb_of_nzp_csi_report)
AssertFatal(1==0,"Currently configuring only SSB beamreporting.");
break;
}
}
......@@ -181,12 +456,27 @@ void compute_csi_bitlen (NR_CellGroupConfig_t *secondaryCellGroup, NR_UE_info_t
}
uint16_t nr_get_csi_bitlen(const nr_csi_report_t *csi_report)
{
const CRI_SSBRI_RSRP_bitlen_t *bitlen = &csi_report->CSI_report_bitlen[0];
return bitlen->cri_ssbri_bitlen * bitlen->nb_ssbri_cri
+ bitlen->rsrp_bitlen
+ bitlen->diff_rsrp_bitlen * (bitlen->nb_ssbri_cri - 1) * csi_report->nb_of_csi_ssb_report;
uint16_t nr_get_csi_bitlen(int Mod_idP,
int UE_id,
uint8_t csi_report_id) {
uint16_t csi_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;
if (NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP==UE_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP==UE_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type){
CSI_report_bitlen = &(UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen); //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_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report);
} 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);
}
return csi_bitlen;
}
......@@ -431,7 +721,99 @@ void handle_nr_uci_pucch_2_3_4(module_id_t mod_id,
if (uci_pdu -> pduBitmap & 0x08) {
///Handle CSI Report 2
}
}
void nr_rx_acknack(nfapi_nr_uci_pusch_pdu_t *uci_pusch,
nfapi_nr_uci_pucch_pdu_format_0_1_t *uci_01,
nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_234,
NR_UL_IND_t *UL_info, NR_UE_sched_ctrl_t *sched_ctrl, NR_mac_stats_t *stats) {
// TODO
int max_harq_rounds = 4; // TODO define macro
if (uci_01 != NULL) {
// handle harq
int harq_idx_s = 0;
// iterate over received harq bits
for (int harq_bit = 0; harq_bit < uci_01->harq->num_harq; harq_bit++) {
// search for the right harq process
for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES; harq_idx++) {
// if the gNB received ack with a good confidence
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
if ((uci_01->harq->harq_list[harq_bit].harq_value == 1) &&
(uci_01->harq->harq_confidence_level == 0)) {
// toggle NDI and reset round
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
else
sched_ctrl->harq_processes[harq_idx].round++;
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
harq_idx_s = harq_idx + 1;
// if the max harq rounds was reached
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
stats->dlsch_errors++;
}
break;
}
// if feedback slot processing is aborted
else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
(sched_ctrl->harq_processes[harq_idx].is_waiting)) {
sched_ctrl->harq_processes[harq_idx].round++;
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
}
}
}
}
if (uci_234 != NULL) {
int harq_idx_s = 0;
int acknack;
// iterate over received harq bits
for (int harq_bit = 0; harq_bit < uci_234->harq.harq_bit_len; harq_bit++) {
acknack = ((uci_234->harq.harq_payload[harq_bit>>3])>>harq_bit)&0x01;
for (int harq_idx = harq_idx_s; harq_idx < NR_MAX_NB_HARQ_PROCESSES-1; harq_idx++) {
// if the gNB received ack with a good confidence or if the max harq rounds was reached
if ((UL_info->slot-1) == sched_ctrl->harq_processes[harq_idx].feedback_slot) {
// TODO add some confidence level for when there is no CRC
if ((uci_234->harq.harq_crc != 1) && acknack) {
// toggle NDI and reset round
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
else
sched_ctrl->harq_processes[harq_idx].round++;
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
harq_idx_s = harq_idx + 1;
// if the max harq rounds was reached
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
stats->dlsch_errors++;
}
break;
}
// if feedback slot processing is aborted
else if (((UL_info->slot-1) > sched_ctrl->harq_processes[harq_idx].feedback_slot) &&
(sched_ctrl->harq_processes[harq_idx].is_waiting)) {
sched_ctrl->harq_processes[harq_idx].round++;
if (sched_ctrl->harq_processes[harq_idx].round == max_harq_rounds) {
sched_ctrl->harq_processes[harq_idx].ndi ^= 1;
sched_ctrl->harq_processes[harq_idx].round = 0;
}
sched_ctrl->harq_processes[harq_idx].is_waiting = 0;
}
}
}
}
}
......@@ -762,5 +1144,398 @@ uint16_t compute_pucch_prb_size(uint8_t format,
else{
AssertFatal(1==0,"Not yet implemented");
}
}
//identifies the target SSB Beam index
//keeps the required date for PDCCH and PDSCH TCI state activation/deactivation CE consutruction globally
//handles triggering of PDCCH and PDSCH MAC CEs
void tci_handling(module_id_t Mod_idP, int UE_id, int CC_id, NR_UE_sched_ctrl_t *sched_ctrl, frame_t frame, slot_t slot) {
int strongest_ssb_rsrp = 0;
int cqi_idx = 0;
int curr_ssb_beam_index = 0; //ToDo: yet to know how to identify the serving ssb beam index
uint8_t target_ssb_beam_index = curr_ssb_beam_index;
//uint8_t max_reported_RSRP = 16;
//int serving_SSB_Beam_RSRP;
uint8_t is_triggering_ssb_beam_switch =0;
uint8_t ssb_idx = 0;
int pdsch_bwp_id =0;
int ssb_index[MAX_NUM_SSB] = {0};
int ssb_rsrp[MAX_NUM_SSB] = {0};
uint8_t idx = 0;
int bwp_id = 1;
NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
//NR_COMMON_channels_t *cc = RC.nrmac[Mod_idP]->common_channels;
NR_CellGroupConfig_t *secondaryCellGroup = UE_info->secondaryCellGroup[UE_id];
NR_BWP_Downlink_t *bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id-1];
//NR_CSI_MeasConfig_t *csi_MeasConfig = UE_info->secondaryCellGroup[UE_id]->spCellConfig->spCellConfigDedicated->csi_MeasConfig->choice.setup;
//bwp indicator
int n_dl_bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count;
uint8_t nr_ssbri_cri = 0;
uint8_t nb_of_csi_ssb_report = UE_info->csi_report_template[UE_id][cqi_idx].nb_of_csi_ssb_report;
//uint8_t bitlen_ssbri = log (nb_of_csi_ssb_report)/log (2);
//uint8_t max_rsrp_reported = -1;
int better_rsrp_reported = -140-(-0); /*minimum_measured_RSRP_value - minimum_differntail_RSRP_value*///considering the minimum RSRP value as better RSRP initially
uint8_t diff_rsrp_idx = 0;
uint8_t i, j;
if (n_dl_bwp < 4)
pdsch_bwp_id = bwp_id;
else
pdsch_bwp_id = bwp_id - 1; // as per table 7.3.1.1.2-1 in 38.212
/*Example:
CRI_SSBRI: 1 2 3 4| 5 6 7 8| 9 10 1 2|
nb_of_csi_ssb_report = 3 //3 sets as above
nr_ssbri_cri = 4 //each set has 4 elements
storing ssb indexes in ssb_index array as ssb_index[0] = 1 .. ssb_index[4] = 5
ssb_rsrp[0] = strongest rsrp in first set, ssb_rsrp[4] = strongest rsrp in second set, ..
idx: resource set index
*/
//for all reported SSB
for (idx = 0; idx < nb_of_csi_ssb_report; idx++) {
nr_ssbri_cri = sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri;
//if group based beam Reporting is disabled
/*if(NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled ==
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[0]->groupBasedBeamReporting.present ) {*/
//extracting the ssb indexes
for (ssb_idx = 0; ssb_idx < nr_ssbri_cri; ssb_idx++) {
ssb_index[idx * nb_of_csi_ssb_report + ssb_idx] = sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI[ssb_idx];
}
//if strongest measured RSRP is configured
strongest_ssb_rsrp = get_measured_rsrp(sched_ctrl->CSI_report[idx].choice.ssb_cri_report.RSRP);
ssb_rsrp[idx * nb_of_csi_ssb_report] = strongest_ssb_rsrp;
LOG_I(MAC,"ssb_rsrp = %d\n",strongest_ssb_rsrp);
//if current ssb rsrp is greater than better rsrp
if(ssb_rsrp[idx * nb_of_csi_ssb_report] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report];
target_ssb_beam_index = idx * nb_of_csi_ssb_report;
}
for(diff_rsrp_idx =1; diff_rsrp_idx < nr_ssbri_cri; diff_rsrp_idx++) {
ssb_rsrp[idx * nb_of_csi_ssb_report + diff_rsrp_idx] = get_diff_rsrp(sched_ctrl->CSI_report[idx].choice.ssb_cri_report.diff_RSRP[diff_rsrp_idx-1], strongest_ssb_rsrp);
//if current reported rsrp is greater than better rsrp
if(ssb_rsrp[idx * nb_of_csi_ssb_report + diff_rsrp_idx] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report + diff_rsrp_idx];
target_ssb_beam_index = idx * nb_of_csi_ssb_report + diff_rsrp_idx;
}
}
#if 0
//}
//if group based beam reporting is enabled
else if (NR_CSI_ReportConfig__groupBasedBeamReporting_PR_disabled !=
csi_MeasConfig->csi_ReportConfigToAddModList->list.array[0]->groupBasedBeamReporting.present ) {
//extracting the ssb indexes
//for group based reporting only 2 SSB RS are reported, 38.331
for (ssb_idx = 0; ssb_idx < 2; ssb_idx++) {
ssb_index[idx * nb_of_csi_ssb_report + ssb_idx] = sched_ctrl->CSI_report[UE_id][idx].choice.ssb_cri_report.CRI_SSBRI[ssb_idx];
}
strongest_ssb_rsrp = get_measured_rsrp(sched_ctrl->CSI_report[UE_id][idx].choice.ssb_cri_report.RSRP);
ssb_rsrp[idx * nb_of_csi_ssb_report] = strongest_ssb_rsrp;
if(ssb_rsrp[idx * nb_of_csi_ssb_report] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report];
target_ssb_beam_index = idx * nb_of_csi_ssb_report;
}
ssb_rsrp[idx * nb_of_csi_ssb_report + 1] = get_diff_rsrp(sched_ctrl->CSI_report[UE_id][idx].choice.ssb_cri_report.diff_RSRP[diff_rsrp_idx], strongest_ssb_rsrp);
if(ssb_rsrp[idx * nb_of_csi_ssb_report + 1] > better_rsrp_reported) {
better_rsrp_reported = ssb_rsrp[idx * nb_of_csi_ssb_report + 1];
target_ssb_beam_index = idx * nb_of_csi_ssb_report + 1;
}
}
#endif
}
if(ssb_index[target_ssb_beam_index] != ssb_index[curr_ssb_beam_index] && ssb_rsrp[target_ssb_beam_index] > ssb_rsrp[curr_ssb_beam_index]) {
if( ssb_rsrp[target_ssb_beam_index] - ssb_rsrp[curr_ssb_beam_index] > L1_RSRP_HYSTERIS) {
is_triggering_ssb_beam_switch = 1;
LOG_I(MAC, "Triggering ssb beam switching using tci\n");
}
}
if(is_triggering_ssb_beam_switch) {
//filling pdcch tci state activativation mac ce structure fields
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.is_scheduled = 1;
//OAI currently focusing on Non CA usecase hence 0 is considered as serving
//cell id
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.servingCellId = 0; //0 for PCell as 38.331 v15.9.0 page 353 //serving cell id for which this MAC CE applies
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.coresetId = 0; //coreset id for which the TCI State id is being indicated
/* 38.321 v15.8.0 page 66
TCI State ID: This field indicates the TCI state identified by TCI-StateId as specified in TS 38.331 [5] applicable
to the Control Resource Set identified by CORESET ID field.
If the field of CORESET ID is set to 0,
this field indicates a TCI-StateId for a TCI state of the first 64 TCI-states configured by tci-States-ToAddModList and tciStates-ToReleaseList in the PDSCH-Config in the active BWP.
If the field of CORESET ID is set to the other value than 0,
this field indicates a TCI-StateId configured by tci-StatesPDCCH-ToAddList and tciStatesPDCCH-ToReleaseList in the controlResourceSet identified by the indicated CORESET ID.
The length of the field is 7 bits
*/
if(sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.coresetId == 0) {
int tci_state_id = checkTargetSSBInFirst64TCIStates_pdschConfig(ssb_index[target_ssb_beam_index], Mod_idP, UE_id);
if( tci_state_id != -1)
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
else {
//identify the best beam within first 64 TCI States of PDSCH
//Config TCI-states-to-addModList
int flag = 0;
for(i =0; ssb_index_sorted[i]!=0; i++) {
tci_state_id = checkTargetSSBInFirst64TCIStates_pdschConfig(ssb_index_sorted[i], Mod_idP, UE_id) ;
if(tci_state_id != -1 && ssb_rsrp_sorted[i] > ssb_rsrp[curr_ssb_beam_index] && ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] > L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
flag = 1;
break;
}
}
if(flag == 0 || ssb_rsrp_sorted[i] < ssb_rsrp[curr_ssb_beam_index] || ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] < L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.is_scheduled = 0;
}
}
} else {
int tci_state_id = checkTargetSSBInTCIStates_pdcchConfig(ssb_index[target_ssb_beam_index], Mod_idP, UE_id);
if (tci_state_id !=-1)
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
else {
//identify the best beam within CORESET/PDCCH
////Config TCI-states-to-addModList
int flag = 0;
for(i =0; ssb_index_sorted[i]!=0; i++) {
tci_state_id = checkTargetSSBInTCIStates_pdcchConfig(ssb_index_sorted[i], Mod_idP, UE_id);
if( tci_state_id != -1 && ssb_rsrp_sorted[i] > ssb_rsrp[curr_ssb_beam_index] && ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] > L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tciStateId = tci_state_id;
flag = 1;
break;
}
}
if(flag == 0 || ssb_rsrp_sorted[i] < ssb_rsrp[curr_ssb_beam_index] || ssb_rsrp_sorted[i] - ssb_rsrp[curr_ssb_beam_index] < L1_RSRP_HYSTERIS) {
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.is_scheduled = 0;
}
}
}
sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tci_present_inDCI = bwp->bwp_Dedicated->pdcch_Config->choice.setup->controlResourceSetToAddModList->list.array[bwp_id-1]->tci_PresentInDCI;
//filling pdsch tci state activation deactivation mac ce structure fields
if(sched_ctrl->UE_mac_ce_ctrl.pdcch_state_ind.tci_present_inDCI) {
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.is_scheduled = 1;
/*
Serving Cell ID: This field indicates the identity of the Serving Cell for which the MAC CE applies
Considering only PCell exists. Serving cell index of PCell is always 0, hence configuring 0
*/
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.servingCellId = 0;
/*
BWP ID: This field indicates a DL BWP for which the MAC CE applies as the codepoint of the DCI bandwidth
part indicator field as specified in TS 38.212
*/
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.bwpId = pdsch_bwp_id;
/*
* TODO ssb_rsrp_sort() API yet to code to find 8 best beams, rrc configuration
* is required
*/
for(i = 0; i<8; i++) {
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.tciStateActDeact[i] = i;
}
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.highestTciStateActivated = 8;
for(i = 0, j =0; i<MAX_TCI_STATES; i++) {
if(sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.tciStateActDeact[i]) {
sched_ctrl->UE_mac_ce_ctrl.pdsch_TCI_States_ActDeact.codepoint[j] = i;
j++;
}
}
}//tci_presentInDCI
}//is-triggering_beam_switch
}//tci handling
//returns the measured RSRP value (upper limit)
int get_measured_rsrp(uint8_t index) {
//if index is invalid returning minimum rsrp -140
if((index >= 0 && index <= 15) || index >= 114)
return MIN_RSRP_VALUE;
return L1_SSB_CSI_RSRP_measReport_mapping_38133_10_1_6_1_1[index];
}
//returns the differential RSRP value (upper limit)
int get_diff_rsrp(uint8_t index, int strongest_rsrp) {
if(strongest_rsrp != -1) {
return strongest_rsrp + diff_rsrp_ssb_csi_meas_10_1_6_1_2[index];
} else
return MIN_RSRP_VALUE;
}
void reverse_n_bits(uint8_t *value, uint16_t bitlen) {
uint16_t j;
uint8_t i;
for(j = bitlen - 1,i = 0; j > i; j--, i++) {
if(((*value>>j)&1) != ((*value>>i)&1)) {
*value ^= (1<<j);
*value ^= (1<<i);
}
}
}
void extract_pucch_csi_report (NR_CSI_MeasConfig_t *csi_MeasConfig,
nfapi_nr_uci_pucch_pdu_format_2_3_4_t *uci_pdu,
NR_UE_sched_ctrl_t *sched_ctrl,
frame_t frame,
slot_t slot,
NR_SubcarrierSpacing_t scs, int UE_id,
module_id_t Mod_idP) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
uint8_t idx = 0;
uint8_t payload_size = ceil(((double)uci_pdu->csi_part1.csi_part1_bit_len)/8);
uint8_t *payload = calloc (payload_size, sizeof(uint8_t));
NR_CSI_ReportConfig__reportQuantity_PR reportQuantity_type = NR_CSI_ReportConfig__reportQuantity_PR_NOTHING;
NR_UE_info_t *UE_info = &(RC.nrmac[Mod_idP]->UE_info);
uint8_t csi_report_id = 0;
memcpy ( payload, uci_pdu->csi_part1.csi_part1_payload, payload_size);
UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report = 0;
for ( csi_report_id =0; csi_report_id < csi_MeasConfig->csi_ReportConfigToAddModList->list.count; csi_report_id++ ) {
//Assuming in periodic reporting for one slot can be configured with only one CSI-ReportConfig
// if (csi_MeasConfig->csi_ReportConfigToAddModList->list.array[csi_report_id]->reportConfigType.present == NR_CSI_ReportConfig__reportConfigType_PR_periodic) {
//Has to implement according to reportSlotConfig type
/*reportQuantity must be considered according to the current scheduled
CSI-ReportConfig if multiple CSI-ReportConfigs present*/
reportQuantity_type = UE_info->csi_report_template[UE_id][csi_report_id].reportQuantity_type;
LOG_I(PHY,"SFN/SF:%d%d reportQuantity type = %d\n",frame,slot,reportQuantity_type);
if (NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RSRP == reportQuantity_type) {
uint8_t csi_ssb_idx = 0;
uint8_t diff_rsrp_idx = 0;
uint8_t cri_ssbri_bitlen = UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.cri_ssbri_bitlen;
/*! As per the spec 38.212 and table: 6.3.1.1.2-12 in a single UCI sequence we can have multiple CSI_report
* the number of CSI_report will depend on number of CSI resource sets that are configured in CSI-ResourceConfig RRC IE
* From spec 38.331 from the IE CSI-ResourceConfig for SSB RSRP reporting we can configure only one resource set
* From spec 38.214 section 5.2.1.2 For periodic and semi-persistent CSI Resource Settings, the number of CSI-RS Resource Sets configured is limited to S=1
*/
/** from 38.214 sec 5.2.1.4.2
- if the UE is configured with the higher layer parameter groupBasedBeamReporting set to 'disabled', the UE is
not required to update measurements for more than 64 CSI-RS and/or SSB resources, and the UE shall report in
a single report nrofReportedRS (higher layer configured) different CRI or SSBRI for each report setting
- if the UE is configured with the higher layer parameter groupBasedBeamReporting set to 'enabled', the UE is not
required to update measurements for more than 64 CSI-RS and/or SSB resources, and the UE shall report in a
single reporting instance two different CRI or SSBRI for each report setting, where CSI-RS and/or SSB
resources can be received simultaneously by the UE either with a single spatial domain receive filter, or with
multiple simultaneous spatial domain receive filter
*/
idx = 0; //Since for SSB RSRP reporting in RRC can configure only one ssb resource set per one report config
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri = UE_info->csi_report_template[UE_id][csi_report_id].CSI_report_bitlen.nb_ssbri_cri;
for (csi_ssb_idx = 0; csi_ssb_idx < sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri ; csi_ssb_idx++) {
if(cri_ssbri_bitlen > 1)
reverse_n_bits(payload, cri_ssbri_bitlen);
if (NR_CSI_ReportConfig__reportQuantity_PR_ssb_Index_RSRP == reportQuantity_type)
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI [csi_ssb_idx] =
*(UE_info->csi_report_template[UE_id][csi_report_id].SSB_Index_list[cri_ssbri_bitlen>0?((*payload)&~(~1<<(cri_ssbri_bitlen-1))):cri_ssbri_bitlen]);
else
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI [csi_ssb_idx] =
*(UE_info->csi_report_template[UE_id][csi_report_id].CSI_Index_list[cri_ssbri_bitlen>0?((*payload)&~(~1<<(cri_ssbri_bitlen-1))):cri_ssbri_bitlen]);
*payload >>= cri_ssbri_bitlen;
LOG_I(PHY,"SSB_index = %d",sched_ctrl->CSI_report[idx].choice.ssb_cri_report.CRI_SSBRI [csi_ssb_idx]);
}
reverse_n_bits(payload, 7);
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.RSRP = (*payload) & 0x7f;
*payload >>= 7;
for ( diff_rsrp_idx =0; diff_rsrp_idx < sched_ctrl->CSI_report[idx].choice.ssb_cri_report.nr_ssbri_cri - 1; diff_rsrp_idx++ ) {
reverse_n_bits(payload,4);
sched_ctrl->CSI_report[idx].choice.ssb_cri_report.diff_RSRP[diff_rsrp_idx] = (*payload) & 0x0f;
*payload >>= 4;
}
UE_info->csi_report_template[UE_id][csi_report_id].nb_of_csi_ssb_report++;
LOG_I(MAC,"csi_payload size = %d, rsrp_id = %d\n",payload_size, sched_ctrl->CSI_report[idx].choice.ssb_cri_report.RSRP);
}
}
if ( !(reportQuantity_type))
AssertFatal(reportQuantity_type, "reportQuantity is not configured");
#if 0
if ( NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1 == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI== reportQuantity_type) {
// Handling of extracting cri
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report.cri = calloc ( 1, ceil(bitlen_cri/8));
*(sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report.cri) = *((uint32_t *)payload) & ~(~1<<(bitlen_cri-1));
*payload >>= bitlen_cri;
if ( 1 == RC.nrrrc[gnb_mod_idP]->carrier.pdsch_AntennaPorts ) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->ri = NULL;
} else {
//Handling for the ri for multiple csi ports
}
}
if (NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI== reportQuantity_type) {
if ( 1 == RC.nrrrc[gnb_mod_idP]->carrier.pdsch_AntennaPorts )
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->li = NULL;
else {
//Handle for li for multiple CSI ports
}
}
//TODO: check for zero padding if available shift payload to the number of zero padding bits
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 ( 1 == RC.nrrrc[gnb_mod_idP]->carrier.pdsch_AntennaPorts ) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->pmi_x1 = NULL;
sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->pmi_x2 = NULL;
}
}
if ( NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_PMI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_i1_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_CQI == reportQuantity_type ||
NR_CSI_ReportConfig__reportQuantity_PR_cri_RI_LI_PMI_CQI== reportQuantity_type) {
/** From Table 6.3.1.1.2-3: RI, LI, CQI, and CRI of codebookType=typeI-SinglePanel */
*(sched_ctrl->CSI_report[UE_id][cqi_idx].choice.cri_ri_li_pmi_cqi_report->cqi) = *(payload) & 0x0f;
*(payload) >>= 4;
}
#endif
}
>>>>>>> uci mac functions in a new file
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