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gold init improvement at ue for dl channels

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This commit is contained in:
francescomani
2022-02-25 12:09:42 +01:00
parent e96bb10289
commit b9ae5db874
11 changed files with 82 additions and 49 deletions
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nfapi/open-nFAPI/nfapi/public_inc/fapi_nr_ue_interface.h
+2 -1
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@@ -464,7 +464,8 @@ typedef struct {
uint8_t nEpreRatioOfPDSCHToPTRS;
/// MCS table for this DLSCH
uint8_t mcs_table;
uint8_t nscid;
uint16_t dlDmrsScramblingId;
uint16_t pduBitmap;
} fapi_nr_dl_config_dlsch_pdu_rel15_t;
openair1/PHY/NR_REFSIG/nr_gold_ue.c
+13 -18
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@@ -75,33 +75,28 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
}
void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
unsigned short *n_idDMRS)
int nscid,
uint32_t nid)
{
unsigned char l;
unsigned int n,x1,x2,x2tmp0,ns;
int nscid;
unsigned int nid;
unsigned int x1,x2,x2tmp0;
uint8_t reset;
/// to be updated from higher layer
//unsigned short lbar = 0;
for (nscid=0; nscid<2; nscid++) {
for (ns=0; ns<ue->frame_parms.slots_per_frame; ns++) {
for (int ns=0; ns<ue->frame_parms.slots_per_frame; ns++) {
nid = n_idDMRS[nscid];
for (int l=0; l<ue->frame_parms.symbols_per_slot; l++) {
for (l=0; l<ue->frame_parms.symbols_per_slot; l++) {
reset = 1;
x2tmp0 = ((ue->frame_parms.symbols_per_slot*ns+l+1)*((nid<<1)+1))<<17;
x2 = (x2tmp0+(nid<<1)+nscid)%(1<<31); //cinit
LOG_D(PHY,"UE DMRS slot %d, symb %d, x2 %x, nscid %d\n",ns,l,x2,nscid);
reset = 1;
x2tmp0 = ((ue->frame_parms.symbols_per_slot*ns+l+1)*((nid<<1)+1))<<17;
x2 = (x2tmp0+(nid<<1)+nscid)%(1<<31); //cinit
LOG_D(PHY,"UE DMRS slot %d, symb %d, x2 %x, nscid %d\n",ns,l,x2,nscid);
for (n=0; n<NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD; n++) {
ue->nr_gold_pdsch[0][ns][l][nscid][n] = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
for (int n=0; n<NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD; n++) {
ue->nr_gold_pdsch[0][ns][l][nscid][n] = lte_gold_generic(&x1, &x2, reset);
reset = 0;
}
}
}
openair1/PHY/NR_REFSIG/refsig_defs_ue.h
+2 -1
View File
@@ -61,7 +61,8 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue,
unsigned short n_idDMRS);
void nr_gold_pdsch(PHY_VARS_NR_UE* ue,
unsigned short *n_idDMRS);
int nscid,
uint32_t nid);
void nr_init_pusch_dmrs(PHY_VARS_NR_UE* ue,
uint16_t *N_n_scid,
openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
+11 -11
View File
@@ -466,6 +466,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
uint8_t gNB_id,
unsigned char Ns,
unsigned char symbol,
unsigned short scrambling_id,
unsigned short coreset_start_subcarrier,
unsigned short nb_rb_coreset)
{
@@ -493,13 +494,11 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
fm = filt16a_m1;
fr = filt16a_r1;
// checking if re-initialization of scrambling IDs is needed (should be done here but scrambling ID for PDCCH is not taken from RRC)
/* if (( != ue->scramblingID_pdcch){
ue->scramblingID_pdcch=;
nr_gold_pdsch(ue,ue->scramblingID_pdcch);
}*/
if (scrambling_id != ue->scramblingID_pdcch){
ue->scramblingID_pdcch = scrambling_id;
nr_gold_pdcch(ue,ue->scramblingID_pdcch);
}
// generate pilot
int pilot[nb_rb_coreset * 3] __attribute__((aligned(16)));
@@ -641,6 +640,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned char Ns,
unsigned short p,
unsigned char symbol,
unsigned char nscid,
unsigned short scrambling_id,
unsigned short BWPStart,
unsigned short bwp_start_subcarrier,
unsigned short nb_rb_pdsch)
@@ -682,11 +683,10 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
int8_t delta = get_delta(p, config_type);
// checking if re-initialization of scrambling IDs is needed
/*if ((XXX.scramblingID0 != ue->scramblingID[0]) || (XXX.scramblingID1 != ue->scramblingID[1])){
ue->scramblingID[0] = XXX.scramblingID0;
ue->scramblingID[1] = XXX.scramblingID1;
nr_gold_pdsch(ue,ue->scramblingID);
}*/
if (scrambling_id != ue->scramblingID_dlsch[nscid]){
ue->scramblingID_dlsch[nscid] = scrambling_id;
nr_gold_pdsch(ue, nscid, scrambling_id);
}
nr_pdsch_dmrs_rx(ue, Ns, ue->nr_gold_pdsch[gNB_id][Ns][symbol][0], &pilot[0], 1000+p, 0, nb_rb_pdsch+rb_offset, config_type);
openair1/PHY/NR_UE_ESTIMATION/nr_estimation.h
+3
View File
@@ -44,6 +44,7 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
uint8_t gNB_id,
unsigned char Ns,
unsigned char symbol,
unsigned short scrambling_id,
unsigned short coreset_start_subcarrier,
unsigned short nb_rb_coreset);
@@ -71,6 +72,8 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
unsigned char Ns,
unsigned short p,
unsigned char symbol,
unsigned char nscid,
unsigned short scrambling_id,
unsigned short BWPStart,
unsigned short bwp_start_subcarrier,
unsigned short nb_rb_pdsch);
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
+5 -4
View File
@@ -310,10 +310,10 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
nr_gold_pdcch(ue,fp->Nid_cell);
// compute the scrambling IDs for PDSCH DMRS
for (int i=0; i<2; i++)
ue->scramblingID[i]=fp->Nid_cell;
nr_gold_pdsch(ue,ue->scramblingID);
for (int i=0; i<2; i++) {
ue->scramblingID_dlsch[i]=fp->Nid_cell;
nr_gold_pdsch(ue, i, ue->scramblingID_dlsch[i]);
}
// initialize the pusch dmrs
uint16_t N_n_scid[2] = {fp->Nid_cell,fp->Nid_cell};
@@ -509,6 +509,7 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
0,
pdcch_vars->slot,
l,
fp->Nid_cell,
fp->first_carrier_offset+(pdcch_vars->pdcch_config[n_ss].BWPStart + coreset_start_rb)*12,
coreset_nb_rb);
openair1/PHY/NR_UE_TRANSPORT/nr_transport_ue.h
+2
View File
@@ -303,6 +303,8 @@ typedef struct {
uint16_t ptrs_symbols;
// PTRS symbol index, to be updated every PTRS symbol within a slot.
uint8_t ptrs_symbol_index;
uint8_t nscid;
uint16_t dlDmrsScramblingId;
/// PDU BITMAP
uint16_t pduBitmap;
} NR_DL_UE_HARQ_t;
openair1/PHY/defs_nr_UE.h
+1 -1
View File
@@ -859,7 +859,7 @@ typedef struct {
uint32_t ****nr_gold_pdsch[NUMBER_OF_CONNECTED_eNB_MAX];
// Scrambling IDs used in PDSCH DMRS
uint16_t scramblingID[2];
uint16_t scramblingID_dlsch[2];
/// PDCCH DMRS
uint32_t ***nr_gold_pdcch[NUMBER_OF_CONNECTED_eNB_MAX];
openair1/SCHED_NR_UE/fapi_nr_ue_l1.c
+2
View File
@@ -286,6 +286,8 @@ int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){
dlsch0_harq->n_dmrs_cdm_groups = dlsch_config_pdu->n_dmrs_cdm_groups;
dlsch0_harq->mcs = dlsch_config_pdu->mcs;
dlsch0_harq->rvidx = dlsch_config_pdu->rv;
dlsch0_harq->nscid = dlsch_config_pdu->nscid;
dlsch0_harq->dlDmrsScramblingId = dlsch_config_pdu->dlDmrsScramblingId;
dlsch0->g_pucch = dlsch_config_pdu->accumulated_delta_PUCCH;
//get nrOfLayers from DCI info
uint8_t Nl = 0;
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+3
View File
@@ -574,6 +574,8 @@ int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int gNB_
nr_slot_rx,
aatx /*p*/,
m,
dlsch0_harq->nscid,
dlsch0_harq->dlDmrsScramblingId,
BWPStart,
ue->frame_parms.first_carrier_offset+(BWPStart + pdsch_start_rb)*12,
pdsch_nb_rb);
@@ -1470,6 +1472,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
gNB_id,
nr_slot_rx,
l,
pdcch_vars->pdcch_config[n_ss].coreset.pdcch_dmrs_scrambling_id,
fp->first_carrier_offset+(pdcch_vars->pdcch_config[n_ss].BWPStart + coreset_start_rb)*12,
coreset_nb_rb);
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
+38 -13
View File
@@ -281,7 +281,6 @@ int get_rnti_type(NR_UE_MAC_INST_t *mac, uint16_t rnti){
LOG_D(MAC, "In %s: returning rnti_type %s \n", __FUNCTION__, rnti_types[rnti_type]);
return rnti_type;
}
@@ -866,6 +865,16 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
}
int mappingtype = pdsch_TimeDomainAllocationList ? pdsch_TimeDomainAllocationList->list.array[dci->time_domain_assignment.val]->mappingType : ((dlsch_config_pdu_1_0->start_symbol <= 3)? typeA: typeB);
struct NR_DMRS_DownlinkConfig *dl_dmrs_config = (mappingtype == typeA) ?
mac->DLbwp[0]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup :
mac->DLbwp[0]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeB->choice.setup;
dlsch_config_pdu_1_0->nscid = 0;
if(mac->DLbwp[0] && dl_dmrs_config->scramblingID0)
dlsch_config_pdu_1_0->dlDmrsScramblingId = *dl_dmrs_config->scramblingID0;
else
dlsch_config_pdu_1_0->dlDmrsScramblingId = mac->physCellId;
/* dmrs symbol positions*/
dlsch_config_pdu_1_0->dlDmrsSymbPos = fill_dmrs_mask(pdsch_config,
(get_softmodem_params()->nsa) ? mac->scc->dmrs_TypeA_Position : mac->mib->dmrs_TypeA_Position,
@@ -873,7 +882,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
dlsch_config_pdu_1_0->start_symbol,
mappingtype);
dlsch_config_pdu_1_0->dmrsConfigType = (mac->DLbwp[0] != NULL) ?
(mac->DLbwp[0]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? 0 : 1) : 0;
(dl_dmrs_config->dmrs_Type == NULL ? 0 : 1) : 0;
/* 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)
dlsch_config_pdu_1_0->n_dmrs_cdm_groups = 1;
@@ -1062,6 +1071,29 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
int mappingtype = pdsch_TimeDomainAllocationList ? pdsch_TimeDomainAllocationList->list.array[dci->time_domain_assignment.val]->mappingType : ((dlsch_config_pdu_1_1->start_symbol <= 3)? typeA: typeB);
struct NR_DMRS_DownlinkConfig *dl_dmrs_config = (mappingtype == typeA) ?
pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup :
pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeB->choice.setup;
switch (dci->dmrs_sequence_initialization.val) {
case 0:
dlsch_config_pdu_1_1->nscid = 0;
if(dl_dmrs_config->scramblingID0)
dlsch_config_pdu_1_1->dlDmrsScramblingId = *dl_dmrs_config->scramblingID0;
else
dlsch_config_pdu_1_1->dlDmrsScramblingId = mac->physCellId;
break;
case 1:
dlsch_config_pdu_1_1->nscid = 1;
if(dl_dmrs_config->scramblingID1)
dlsch_config_pdu_1_1->dlDmrsScramblingId = *dl_dmrs_config->scramblingID1;
else
dlsch_config_pdu_1_1->dlDmrsScramblingId = mac->physCellId;
break;
default:
AssertFatal(1==0,"Invalid dmrs sequence initialization value\n");
}
/* dmrs symbol positions*/
dlsch_config_pdu_1_1->dlDmrsSymbPos = fill_dmrs_mask(pdsch_Config,
mac->scc? mac->scc->dmrs_TypeA_Position:mac->mib->dmrs_TypeA_Position,
@@ -1069,7 +1101,7 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
dlsch_config_pdu_1_1->start_symbol,
mappingtype);
dlsch_config_pdu_1_1->dmrsConfigType = pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? NFAPI_NR_DMRS_TYPE1 : NFAPI_NR_DMRS_TYPE2;
dlsch_config_pdu_1_1->dmrsConfigType = dl_dmrs_config->dmrs_Type == NULL ? NFAPI_NR_DMRS_TYPE1 : NFAPI_NR_DMRS_TYPE2;
/* 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 */
@@ -1130,16 +1162,9 @@ int8_t nr_ue_process_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fr
/* ANTENNA_PORTS */
uint8_t n_codewords = 1; // FIXME!!!
long *max_length = NULL;
long *dmrs_type = NULL;
if (pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA) {
max_length = pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->maxLength;
dmrs_type = pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type;
}
if (pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeB) {
max_length = pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeB->choice.setup->maxLength;
dmrs_type = pdsch_Config->dmrs_DownlinkForPDSCH_MappingTypeB->choice.setup->dmrs_Type;
}
long *max_length = dl_dmrs_config->maxLength;
long *dmrs_type = dl_dmrs_config->dmrs_Type;
if ((dmrs_type == NULL) && (max_length == NULL)){
// Table 7.3.1.2.2-1: Antenna port(s) (1000 + DMRS port), dmrs-Type=1, maxLength=1
dlsch_config_pdu_1_1->n_dmrs_cdm_groups = table_7_3_2_3_3_1[dci->antenna_ports.val][0];