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Commit 240f411f authored by Sakthivel Velumani's avatar Sakthivel Velumani
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Passing symbolStart to fill_dmrs_mask 

It is sufficient to pass l_d directly to the function but considering future extension to mapping type B, this way makes more sense.
parent ee9210c6
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Showing with 38 additions and 24 deletions
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
View file @ 240f411f
......@@ -2228,8 +2228,8 @@ int get_num_dmrs(uint16_t dmrs_mask ) {
return(num_dmrs);
}
/* returns the total DMRS symbols in a slot*/
uint8_t get_num_dmrs_symbols(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols){
return get_num_dmrs(fill_dmrs_mask(pdsch_Config,dmrs_TypeA_Position,NrOfSymbols));
uint8_t get_num_dmrs_symbols(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols,int startSymbol){
return get_num_dmrs(fill_dmrs_mask(pdsch_Config,dmrs_TypeA_Position,NrOfSymbols,startSymbol));
}
// Table 5.1.2.2.1-1 38.214
......@@ -2864,9 +2864,10 @@ int is_nr_UL_slot(NR_ServingCellConfigCommon_t *scc,slot_t slot) {
else return(slot_in_period >= slots1+scc->tdd_UL_DL_ConfigurationCommon->pattern2->nrofDownlinkSlots ? 1 : 0);
}
int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols) {
int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols,int startSymbol) {
int l0;
int ld = NrOfSymbols;
if (dmrs_TypeA_Position == NR_ServingCellConfigCommon__dmrs_TypeA_Position_pos2) l0=2;
else if (dmrs_TypeA_Position == NR_ServingCellConfigCommon__dmrs_TypeA_Position_pos3) l0=3;
else AssertFatal(1==0,"Illegal dmrs_TypeA_Position %d\n",(int)dmrs_TypeA_Position);
......@@ -2877,6 +2878,7 @@ int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,i
if (pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA &&
pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->present == NR_SetupRelease_DMRS_DownlinkConfig_PR_setup) {
// Relative to start of slot
ld += startSymbol;
NR_DMRS_DownlinkConfig_t *dmrs_config = (NR_DMRS_DownlinkConfig_t *)pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup;
AssertFatal(NrOfSymbols>1 && NrOfSymbols < 15,"Illegal NrOfSymbols %d\n",NrOfSymbols);
int pos2=0;
......
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
View file @ 240f411f
......@@ -47,7 +47,7 @@ uint64_t from_nrarfcn(int nr_bandP, uint8_t scs_index, uint32_t dl_nrarfcn);
uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, uint8_t scs_index, uint32_t bw);
int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols);
int16_t fill_dmrs_mask(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols,int startSymbol);
int is_nr_DL_slot(NR_ServingCellConfigCommon_t *scc,slot_t slotP);
......@@ -142,7 +142,7 @@ bool set_dl_ptrs_values(NR_PTRS_DownlinkConfig_t *ptrs_config,
uint8_t NrOfSymbols);
void get_band(uint64_t downlink_frequency, uint16_t *current_band, int32_t *current_offset, lte_frame_type_t *current_type);
uint8_t get_num_dmrs_symbols(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols);
uint8_t get_num_dmrs_symbols(NR_PDSCH_Config_t *pdsch_Config,int dmrs_TypeA_Position,int NrOfSymbols,int startSymbol);
/* \brief Set the transform precoding according to 6.1.3 of 3GPP TS 38.214 version 16.3.0 Release 16
@param *pusch_config, pointer to pusch config
......
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
View file @ 240f411f
......@@ -687,7 +687,8 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
/* dmrs symbol positions*/
dlsch_config_pdu_1_0->dlDmrsSymbPos = fill_dmrs_mask(pdsch_config,
mac->scc->dmrs_TypeA_Position,
dlsch_config_pdu_1_0->start_symbol+dlsch_config_pdu_1_0->number_symbols);
dlsch_config_pdu_1_0->number_symbols,
dlsch_config_pdu_1_0->start_symbol);
dlsch_config_pdu_1_0->dmrsConfigType = mac->DLbwp[0]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? 0 : 1;
/* number of DM-RS CDM groups without data according to subclause 5.1.6.2 of 3GPP TS 38.214 version 15.9.0 Release 15 */
if (dlsch_config_pdu_1_0->number_symbols == 2)
......@@ -859,7 +860,8 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
/* dmrs symbol positions*/
dlsch_config_pdu_1_1->dlDmrsSymbPos = fill_dmrs_mask(pdsch_config,
mac->scc->dmrs_TypeA_Position,
dlsch_config_pdu_1_1->number_symbols);
dlsch_config_pdu_1_1->number_symbols,
dlsch_config_pdu_1_1->start_symbol);
dlsch_config_pdu_1_1->dmrsConfigType = mac->DLbwp[dl_bwp_id-1]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? 0 : 1;
/* TODO: fix number of DM-RS CDM groups without data according to subclause 5.1.6.2 of 3GPP TS 38.214,
using tables 7.3.1.2.2-1, 7.3.1.2.2-2, 7.3.1.2.2-3, 7.3.1.2.2-4 of 3GPP TS 38.212 */
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
View file @ 240f411f
......@@ -971,7 +971,7 @@ void nr_generate_Msg2(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra
pdsch_pdu_rel15->StartSymbolIndex = StartSymbolIndex;
pdsch_pdu_rel15->NrOfSymbols = NrOfSymbols;
pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(NULL, scc->dmrs_TypeA_Position, NrOfSymbols);
pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(NULL, scc->dmrs_TypeA_Position, NrOfSymbols, StartSymbolIndex);
// Fill PDCCH DL DCI PDU
nfapi_nr_dl_dci_pdu_t *dci_pdu = &pdcch_pdu_rel15->dci_pdu[pdcch_pdu_rel15->numDlDci];
......@@ -1190,7 +1190,7 @@ void nr_generate_Msg4(module_id_t module_idP, int CC_id, frame_t frameP, sub_fra
pdsch_pdu_rel15->StartSymbolIndex = StartSymbolIndex;
pdsch_pdu_rel15->NrOfSymbols = NrOfSymbols;
pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(NULL, scc->dmrs_TypeA_Position, NrOfSymbols);
pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(NULL, scc->dmrs_TypeA_Position, NrOfSymbols, StartSymbolIndex);
// Fill PDCCH DL DCI PDU
nfapi_nr_dl_dci_pdu_t *dci_pdu = &pdcch_pdu_rel15->dci_pdu[pdcch_pdu_rel15->numDlDci];
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
View file @ 240f411f
......@@ -289,7 +289,7 @@ void schedule_control_sib1(module_id_t module_id,
// Calculate number of PRB_DMRS
uint8_t N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
uint16_t dlDmrsSymbPos = fill_dmrs_mask(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup, gNB_mac->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position, startSymbolIndex+nrOfSymbols);
uint16_t dlDmrsSymbPos = fill_dmrs_mask(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup, gNB_mac->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position, nrOfSymbols, startSymbolIndex);
uint16_t dmrs_length = get_num_dmrs(dlDmrsSymbPos);
int rbSize = 0;
......@@ -388,7 +388,7 @@ void nr_fill_nfapi_dl_sib1_pdu(int Mod_idP,
pdsch_pdu_rel15->StartSymbolIndex = StartSymbolIndex;
pdsch_pdu_rel15->NrOfSymbols = NrOfSymbols;
pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(bwp->bwp_Dedicated->pdsch_Config->choice.setup, scc->dmrs_TypeA_Position, pdsch_pdu_rel15->StartSymbolIndex+pdsch_pdu_rel15->NrOfSymbols);
pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(bwp->bwp_Dedicated->pdsch_Config->choice.setup, scc->dmrs_TypeA_Position, pdsch_pdu_rel15->NrOfSymbols, pdsch_pdu_rel15->StartSymbolIndex);
LOG_D(MAC,"dlDmrsSymbPos = 0x%x\n", pdsch_pdu_rel15->dlDmrsSymbPos);
......@@ -489,7 +489,7 @@ void schedule_nr_sib1(module_id_t module_idP, frame_t frameP, sub_frame_t slotP)
// Calculate number of PRB_DMRS
uint8_t N_PRB_DMRS = gNB_mac->sched_ctrlCommon->numDmrsCdmGrpsNoData * 6;
uint16_t dlDmrsSymbPos = fill_dmrs_mask(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup, gNB_mac->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position, startSymbolIndex+nrOfSymbols);
uint16_t dlDmrsSymbPos = fill_dmrs_mask(gNB_mac->sched_ctrlCommon->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup, gNB_mac->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position, nrOfSymbols, startSymbolIndex);
uint16_t dmrs_length = get_num_dmrs(dlDmrsSymbPos);
const uint32_t TBS = nr_compute_tbs(nr_get_Qm_dl(gNB_mac->sched_ctrlCommon->mcs, gNB_mac->sched_ctrlCommon->mcsTableIdx),
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @ 240f411f
......@@ -302,7 +302,7 @@ int nr_write_ce_dlsch_pdu(module_id_t module_idP,
return offset;
}
int getNrOfSymbols(NR_BWP_Downlink_t *bwp, int tda) {
void getStartNrOfSymbols(NR_BWP_Downlink_t *bwp, int tda, int *startSymbol, int *nrOfSymbols) {
struct NR_PDSCH_TimeDomainResourceAllocationList *tdaList =
bwp->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
AssertFatal(tda < tdaList->list.count,
......@@ -311,9 +311,7 @@ int getNrOfSymbols(NR_BWP_Downlink_t *bwp, int tda) {
tdaList->list.count);
const int startSymbolAndLength = tdaList->list.array[tda]->startSymbolAndLength;
int startSymbolIndex, nrOfSymbols;
SLIV2SL(startSymbolAndLength, &startSymbolIndex, &nrOfSymbols);
return nrOfSymbols;
SLIV2SL(startSymbolAndLength, startSymbol, nrOfSymbols);
}
nfapi_nr_dmrs_type_e getDmrsConfigType(NR_BWP_Downlink_t *bwp) {
......@@ -487,8 +485,12 @@ void pf_dl(module_id_t module_id,
sched_ctrl->numDmrsCdmGrpsNoData = 1;
uint8_t N_PRB_DMRS =
getN_PRB_DMRS(sched_ctrl->active_bwp, sched_ctrl->numDmrsCdmGrpsNoData);
int nrOfSymbols = getNrOfSymbols(sched_ctrl->active_bwp,
sched_ctrl->time_domain_allocation);
int startSymbol;
int nrOfSymbols;
getStartNrOfSymbols(sched_ctrl->active_bwp,
sched_ctrl->time_domain_allocation,
&startSymbol,
&nrOfSymbols);
uint32_t tbs = nr_compute_tbs(nr_get_Qm_dl(sched_ctrl->mcs, sched_ctrl->mcsTableIdx),
nr_get_code_rate_dl(sched_ctrl->mcs, sched_ctrl->mcsTableIdx),
1, // rbSize
......@@ -574,13 +576,18 @@ void pf_dl(module_id_t module_id,
const uint8_t N_PRB_DMRS =
getN_PRB_DMRS(sched_ctrl->active_bwp, sched_ctrl->numDmrsCdmGrpsNoData);
const int nrOfSymbols = getNrOfSymbols(sched_ctrl->active_bwp,
sched_ctrl->time_domain_allocation);
int startSymbol;
int nrOfSymbols;
getStartNrOfSymbols(sched_ctrl->active_bwp,
sched_ctrl->time_domain_allocation,
&startSymbol,
&nrOfSymbols);
const NR_ServingCellConfigCommon_t *scc = RC.nrmac[module_id]->common_channels->ServingCellConfigCommon;
const uint8_t N_DMRS_SLOT = get_num_dmrs_symbols(
sched_ctrl->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup,
scc->dmrs_TypeA_Position,
nrOfSymbols);
nrOfSymbols,
startSymbol);
int rbSize = 0;
uint32_t TBS = 0;
......@@ -697,7 +704,8 @@ void nr_schedule_ue_spec(module_id_t module_id,
getN_PRB_DMRS(sched_ctrl->active_bwp, sched_ctrl->numDmrsCdmGrpsNoData);
uint8_t N_DMRS_SLOT = get_num_dmrs_symbols(sched_ctrl->active_bwp->bwp_Dedicated->pdsch_Config->choice.setup,
RC.nrmac[module_id]->common_channels->ServingCellConfigCommon->dmrs_TypeA_Position ,
nrOfSymbols);
nrOfSymbols,
startSymbolIndex);
const nfapi_nr_dmrs_type_e dmrsConfigType = getDmrsConfigType(sched_ctrl->active_bwp);
const int nrOfLayers = 1;
const uint16_t R = nr_get_code_rate_dl(sched_ctrl->mcs, sched_ctrl->mcsTableIdx);
......@@ -818,7 +826,8 @@ void nr_schedule_ue_spec(module_id_t module_id,
pdsch_pdu->dlDmrsSymbPos =
fill_dmrs_mask(bwp->bwp_Dedicated->pdsch_Config->choice.setup,
scc->dmrs_TypeA_Position,
nrOfSymbols);
nrOfSymbols,
startSymbolIndex);
pdsch_pdu->dmrsConfigType = dmrsConfigType;
pdsch_pdu->dlDmrsScramblingId = *scc->physCellId;
pdsch_pdu->SCID = 0;
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
View file @ 240f411f
......@@ -164,7 +164,8 @@ void nr_schedule_css_dlsch_phytest(module_id_t module_idP,
pdsch_pdu_rel15->NrOfSymbols = NrOfSymbols;
pdsch_pdu_rel15->dlDmrsSymbPos = fill_dmrs_mask(NULL,
scc->dmrs_TypeA_Position,
NrOfSymbols);
NrOfSymbols,
StartSymbolIndex);
/*
AssertFatal(k0==0,"k0 is not zero for Initial DL BWP TimeDomain Alloc\n");
......
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