From 927e4fde792ce9fa1d0a685fbca5f594761ad2cc Mon Sep 17 00:00:00 2001 From: Parminder Singh <parminder.singh@iis.fraunhofer.de> Date: Mon, 26 Oct 2020 10:23:52 +0100 Subject: [PATCH] DMRS Specific changes from fhg-dl-dmrs branch --- openair1/PHY/NR_REFSIG/dmrs_nr.c | 4 +- openair1/PHY/NR_REFSIG/nr_gold_ue.c | 18 ++--- openair1/PHY/NR_REFSIG/refsig_defs_ue.h | 4 +- openair1/PHY/NR_TRANSPORT/nr_dlsch.c | 74 ++++++++++--------- .../nr_dl_channel_estimation.c | 4 +- .../NR_UE_TRANSPORT/nr_dlsch_demodulation.c | 25 +++++-- .../NR_UE_TRANSPORT/nr_transport_proto_ue.h | 3 +- openair1/PHY/defs_nr_UE.h | 2 +- openair1/SCHED_NR_UE/phy_procedures_nr_ue.c | 37 +++++----- 9 files changed, 97 insertions(+), 74 deletions(-) diff --git a/openair1/PHY/NR_REFSIG/dmrs_nr.c b/openair1/PHY/NR_REFSIG/dmrs_nr.c index 415e6adfa2..7c143d243c 100644 --- a/openair1/PHY/NR_REFSIG/dmrs_nr.c +++ b/openair1/PHY/NR_REFSIG/dmrs_nr.c @@ -366,10 +366,12 @@ void generate_dmrs_pbch(uint32_t dmrs_pbch_bitmap[DMRS_PBCH_I_SSB][DMRS_PBCH_N_H int get_next_dmrs_symbol_in_slot(uint16_t ul_dmrs_symb_pos, uint8_t counter, uint8_t end_symbol) { for(uint8_t symbol = counter; symbol < end_symbol; symbol++) - if((ul_dmrs_symb_pos >>symbol)&0x01 ) + { + if((ul_dmrs_symb_pos >> symbol) & 0x01 ) { return symbol; } + } return 0; } diff --git a/openair1/PHY/NR_REFSIG/nr_gold_ue.c b/openair1/PHY/NR_REFSIG/nr_gold_ue.c index 39ab13b1f1..414582a31d 100644 --- a/openair1/PHY/NR_REFSIG/nr_gold_ue.c +++ b/openair1/PHY/NR_REFSIG/nr_gold_ue.c @@ -107,9 +107,7 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue, } void nr_gold_pdsch(PHY_VARS_NR_UE* ue, - unsigned short lbar, - unsigned short *n_idDMRS, - unsigned short length_dmrs) + unsigned short *n_idDMRS) { unsigned char ns,l; unsigned int n,x1,x2,x2tmp0; @@ -129,12 +127,12 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue, for (ns=0; ns<20; ns++) { - for (l=0; l<length_dmrs; l++) { + for (l=0; l<14; l++) { - x2tmp0 = ((14*ns+(lbar+l)+1)*((nid<<1)+1))<<17; + x2tmp0 = ((14*ns+l+1)*((nid<<1)+1))<<17; x2 = (x2tmp0+(nid<<1)+nscid)%(1<<31); //cinit - LOG_D(PHY,"UE DMRS slot %d, symb %d, lbar %d, x2 %x, nscid %d\n",ns,l,lbar,x2,nscid); - //printf("ns %d gold pdsch x2 %d\n",ns,x2); + LOG_D(PHY,"UE DMRS slot %d, symb %d, x2 %x, nscid %d\n",ns,l,x2,nscid); + //printf("ns %d gold pdsch x2 %d\n",ns,x2); x1 = 1+ (1<<31); x2=x2 ^ ((x2 ^ (x2>>1) ^ (x2>>2) ^ (x2>>3))<<31); @@ -145,7 +143,7 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue, x1 = x1 ^ (x1<<31) ^ (x1<<28); x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4); x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28); - //printf("x1 : %x, x2 : %x\n",x1,x2); + //printf("x1 : %x, x2 : %x\n",x1,x2); } for (n=0; n<NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD; n++) { @@ -154,8 +152,8 @@ void nr_gold_pdsch(PHY_VARS_NR_UE* ue, x2 = (x2>>1) ^ (x2>>2) ^ (x2>>3) ^ (x2>>4); x2 = x2 ^ (x2<<31) ^ (x2<<30) ^ (x2<<29) ^ (x2<<28); ue->nr_gold_pdsch[nscid][ns][l][n] = x1^x2; - // if ((ns==2)&&(l==0)) - //printf("n=%d : c %x\n",n,x1^x2); + // if ((ns==2)&&(l==0)) + //printf("n=%d : c %x\n",n,x1^x2); } } diff --git a/openair1/PHY/NR_REFSIG/refsig_defs_ue.h b/openair1/PHY/NR_REFSIG/refsig_defs_ue.h index 93a64051de..f349cfcd98 100644 --- a/openair1/PHY/NR_REFSIG/refsig_defs_ue.h +++ b/openair1/PHY/NR_REFSIG/refsig_defs_ue.h @@ -61,9 +61,7 @@ void nr_gold_pdcch(PHY_VARS_NR_UE* ue, unsigned short length_dmrs); void nr_gold_pdsch(PHY_VARS_NR_UE* ue, - unsigned short lbar, - unsigned short *n_idDMRS, - unsigned short length_dmrs); + unsigned short *n_idDMRS); void nr_init_pusch_dmrs(PHY_VARS_NR_UE* ue, uint16_t *N_n_scid, diff --git a/openair1/PHY/NR_TRANSPORT/nr_dlsch.c b/openair1/PHY/NR_TRANSPORT/nr_dlsch.c index 4461edb33b..f724ab8596 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_dlsch.c +++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch.c @@ -39,6 +39,8 @@ //#define DEBUG_DLSCH //#define DEBUG_DLSCH_MAPPING +// forward declarations for mac function to avoid semantic issues +extern int get_num_dmrs(uint16_t dmrs_mask ); void nr_pdsch_codeword_scrambling(uint8_t *in, uint32_t size, @@ -118,7 +120,6 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB, int32_t** txdataF = gNB->common_vars.txdataF; int16_t amp = AMP; NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms; - int xOverhead = 0; time_stats_t *dlsch_encoding_stats=&gNB->dlsch_encoding_stats; time_stats_t *dlsch_scrambling_stats=&gNB->dlsch_scrambling_stats; time_stats_t *dlsch_modulation_stats=&gNB->dlsch_modulation_stats; @@ -140,7 +141,7 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB, uint32_t scrambled_output[NR_MAX_NB_CODEWORDS][NR_MAX_PDSCH_ENCODED_LENGTH>>5]; int16_t **mod_symbs = (int16_t**)dlsch->mod_symbs; int16_t **tx_layers = (int16_t**)dlsch->txdataF; - int8_t Wf[2], Wt[2], l0, l_prime[2], delta; + int8_t Wf[2], Wt[2], l_prime[2], delta; uint8_t dmrs_Type = rel15->dmrsConfigType; int nb_re_dmrs; uint16_t n_dmrs; @@ -152,8 +153,12 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB, nb_re_dmrs = 4*rel15->numDmrsCdmGrpsNoData; n_dmrs = ((rel15->rbSize+rel15->rbStart)*4)<<1; } + + uint16_t dmrs_symbol_map = rel15->dlDmrsSymbPos;//single DMRS: 010000100 Double DMRS 110001100 + uint8_t dmrs_len = get_num_dmrs(rel15->dlDmrsSymbPos); + uint16_t nb_re; - nb_re = ((12*rel15->NrOfSymbols)-nb_re_dmrs-xOverhead)*rel15->rbSize*rel15->NrOfCodewords; + nb_re = ((12*rel15->NrOfSymbols)-nb_re_dmrs-dmrs_len)*rel15->rbSize*rel15->NrOfCodewords; uint8_t Qm = rel15->qamModOrder[0]; uint32_t encoded_length = nb_re*Qm; int16_t mod_dmrs[n_dmrs<<1] __attribute__ ((aligned(16))); @@ -248,23 +253,7 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB, /// Antenna port mapping //to be moved to init phase potentially, for now tx_layers 1-8 are mapped on antenna ports 1000-1007 - - /// DMRS QPSK modulation - - - l0 = get_l0(rel15->dlDmrsSymbPos); - nr_modulation(pdsch_dmrs[l0][0], n_dmrs, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated - -#ifdef DEBUG_DLSCH - printf("DMRS modulation (single symbol %d, %d symbols, type %d):\n", l0, n_dmrs>>1, dmrs_Type); - for (int i=0; i<n_dmrs>>4; i++) { - for (int j=0; j<8; j++) { - printf("%d %d\t", mod_dmrs[((i<<3)+j)<<1], mod_dmrs[(((i<<3)+j)<<1)+1]); - } - printf("\n"); - } -#endif - + /// Resource mapping @@ -284,24 +273,43 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB, get_Wf(Wf, ap, dmrs_Type); delta = get_delta(ap, dmrs_Type); l_prime[0] = 0; // single symbol ap 0 - uint8_t dmrs_symbol = l0+l_prime[0]; #ifdef DEBUG_DLSCH_MAPPING - printf("DMRS Type %d params for ap %d: Wt %d %d \t Wf %d %d \t delta %d \t l_prime %d \t l0 %d\tDMRS symbol %d\n", - 1+dmrs_Type,ap, Wt[0], Wt[1], Wf[0], Wf[1], delta, l_prime[0], l0, dmrs_symbol); + printf("DMRS Type %d params for ap %d: Wt %d %d \t Wf %d %d \t delta %d \t l_prime %d \t \tDMRS symbol map 0x%x\n", + 1+dmrs_Type,ap, Wt[0], Wt[1], Wf[0], Wf[1], delta, l_prime[0], dmrs_symbol_map); #endif - uint8_t k_prime=0; - uint16_t m=0, n=0, dmrs_idx=0, k=0; - int txdataF_offset = (slot%2)*frame_parms->samples_per_slot_wCP; - if (dmrs_Type == NFAPI_NR_DMRS_TYPE1) // another if condition to be included to check pdsch config type (reference of k) - dmrs_idx = rel15->rbStart*6; - else - dmrs_idx = rel15->rbStart*4; + uint16_t m=0, dmrs_idx=0, k=0; + int txdataF_offset = (slot%2)*frame_parms->samples_per_slot_wCP; + + // Loop Over OFDM symbols: for (int l=rel15->StartSymbolIndex; l<rel15->StartSymbolIndex+rel15->NrOfSymbols; l++) { - k = start_sc; + /// DMRS QPSK modulation + uint8_t k_prime=0; + uint16_t n=0; + if ((dmrs_symbol_map & (1 << l))){ //DMRS time occasion + if (dmrs_Type == NFAPI_NR_DMRS_TYPE1) // another if condition to be included to check pdsch config type (reference of k) + dmrs_idx = rel15->rbStart*6; + else + dmrs_idx = rel15->rbStart*4; + nr_modulation(pdsch_dmrs[l][0], n_dmrs, DMRS_MOD_ORDER, mod_dmrs); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated + } + +#ifdef DEBUG_DLSCH + printf("DMRS modulation (symbol %d, %d symbols, type %d):\n", l, n_dmrs>>1, dmrs_Type); + for (int i=0; i<n_dmrs>>4; i++) { + for (int j=0; j<8; j++) { + printf("%d %d\t", mod_dmrs[((i<<3)+j)<<1], mod_dmrs[(((i<<3)+j)<<1)+1]); + } + printf("\n"); + } +#endif + //FixMe l_prime should be updated here in the case of double DMRS config + + k = start_sc; + // Loop Over SCs: for (int i=0; i<rel15->rbSize*NR_NB_SC_PER_RB; i++) { - if ((l == dmrs_symbol) && (k == ((start_sc+get_dmrs_freq_idx(n, k_prime, delta, dmrs_Type))%(frame_parms->ofdm_symbol_size)))) { + if ( ( dmrs_symbol_map & (1 << l) ) && (k == ((start_sc+get_dmrs_freq_idx(n, k_prime, delta, dmrs_Type))%(frame_parms->ofdm_symbol_size)))) { ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (Wt[l_prime[0]]*Wf[k_prime]*amp*mod_dmrs[dmrs_idx<<1]) >> 15; ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (Wt[l_prime[0]]*Wf[k_prime]*amp*mod_dmrs[(dmrs_idx<<1) + 1]) >> 15; #ifdef DEBUG_DLSCH_MAPPING @@ -316,7 +324,7 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB, } else { - if( (l != dmrs_symbol) || allowed_xlsch_re_in_dmrs_symbol(k,start_sc,rel15->numDmrsCdmGrpsNoData,dmrs_Type)) { + if( (!(dmrs_symbol_map & (1 << l))) || allowed_xlsch_re_in_dmrs_symbol(k,start_sc,rel15->numDmrsCdmGrpsNoData,dmrs_Type)) { ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (amp * tx_layers[ap][m<<1]) >> 15; ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (amp * tx_layers[ap][(m<<1) + 1]) >> 15; #ifdef DEBUG_DLSCH_MAPPING diff --git a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c index 71a5771f5b..fac8b9dede 100644 --- a/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c +++ b/openair1/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c @@ -665,7 +665,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, nushift = (p>>1)&1; ue->frame_parms.nushift = nushift; - if (ue->high_speed_flag == 0) // use second channel estimate position for temporary storage + if (ue->high_speed_flag == 0) ch_offset = ue->frame_parms.ofdm_symbol_size ; else ch_offset = ue->frame_parms.ofdm_symbol_size*symbol; @@ -717,7 +717,7 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue, // generate pilot uint16_t rb_offset = (bwp_start_subcarrier - ue->frame_parms.first_carrier_offset) / 12; int config_type = 0; // needs to be updated from higher layer - nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][0], &pilot[0],1000,0,nb_rb_pdsch+rb_offset); + nr_pdsch_dmrs_rx(ue,Ns,ue->nr_gold_pdsch[eNB_offset][Ns][symbol], &pilot[0],1000,0,nb_rb_pdsch+rb_offset); for (aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) { diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c index e8204ad0b5..8562e7b76c 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c @@ -377,7 +377,8 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue, nb_rb_pdsch, nr_tti_rx, ue->high_speed_flag, - frame_parms); + frame_parms, + dlsch0_harq->dlDmrsSymbPos); } /*else if(beamforming_mode>7) { LOG_W(PHY,"dlsch_demodulation: beamforming mode not supported yet.\n"); @@ -2355,7 +2356,8 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF, unsigned short nb_rb_pdsch, unsigned char nr_tti_rx, uint32_t high_speed_flag, - NR_DL_FRAME_PARMS *frame_parms) { + NR_DL_FRAME_PARMS *frame_parms, + uint16_t dlDmrsSymbPos) { @@ -2363,7 +2365,9 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF, unsigned char i,aarx; //,nsymb,sss_symb,pss_symb=0,l; int *dl_ch0,*dl_ch0_ext,*rxF,*rxF_ext; - + uint8_t ClosestDMRSIdx = 15; //closest DMRS index to the current OFDM symbol + uint8_t ClosestDMRSdist = 15; //temporarily save the distance to the closest DMRS symbol + int8_t DMRSdist = 15; //temporarily save the distance to the DMRS symbol unsigned char j=0; @@ -2374,8 +2378,19 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF, k = frame_parms->first_carrier_offset + NR_NB_SC_PER_RB*start_rb; - if (high_speed_flag == 1) - dl_ch0 = &dl_ch_estimates[aarx][(2*(frame_parms->ofdm_symbol_size))]; + if (high_speed_flag == 1) { + for (int i=0; i<16; i++) { //loop over all possible DMRS symbols + if ( (1<<i & dlDmrsSymbPos) > 0 ) { + DMRSdist = symbol-i; + DMRSdist = DMRSdist>=0 ? DMRSdist : -DMRSdist; + if ( DMRSdist < ClosestDMRSdist ) { + ClosestDMRSIdx = i; + ClosestDMRSdist = DMRSdist; + } + } + } + dl_ch0 = &dl_ch_estimates[aarx][(ClosestDMRSIdx*(frame_parms->ofdm_symbol_size))]; //use closest DMRS + } else dl_ch0 = &dl_ch_estimates[aarx][0]; diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h index 845eace8b6..96ca766e68 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h @@ -719,7 +719,8 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF, unsigned short nb_pdsch_rb, unsigned char nr_tti_rx, uint32_t high_speed_flag, - NR_DL_FRAME_PARMS *frame_parms); + NR_DL_FRAME_PARMS *frame_parms, + uint16_t dlDmrsSymbPos); /** \fn dlsch_extract_rbs_dual(int32_t **rxdataF, int32_t **dl_ch_estimates, diff --git a/openair1/PHY/defs_nr_UE.h b/openair1/PHY/defs_nr_UE.h index fff6a82047..4df8404994 100644 --- a/openair1/PHY/defs_nr_UE.h +++ b/openair1/PHY/defs_nr_UE.h @@ -892,7 +892,7 @@ typedef struct { uint32_t nr_gold_pbch[2][64][NR_PBCH_DMRS_LENGTH_DWORD]; /// PDSCH DMRS - uint32_t nr_gold_pdsch[2][20][2][NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD]; + uint32_t nr_gold_pdsch[2][20][14][NR_MAX_PDSCH_DMRS_INIT_LENGTH_DWORD]; /// PDCCH DMRS uint32_t nr_gold_pdcch[7][20][3][52]; diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c index d24c88fd1f..19a8c59e2c 100644 --- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c +++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c @@ -724,17 +724,18 @@ int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_ LOG_D(PHY,"[UE %d] PDSCH type %d active in nr_tti_rx %d, harq_pid %d (%d), rb_start %d, nb_rb %d, symbol_start %d, nb_symbols %d, DMRS mask %x\n",ue->Mod_id,pdsch,nr_tti_rx,harq_pid,dlsch0->harq_processes[harq_pid]->status,pdsch_start_rb,pdsch_nb_rb,s0,s1,dlsch0->harq_processes[harq_pid]->dlDmrsSymbPos); // do channel estimation for first DMRS only - for (m = s0; m < 3; m++) { + for (m = s0; m < (s0 +s1); m++) { if (((1<<m)&dlsch0->harq_processes[harq_pid]->dlDmrsSymbPos) > 0) { - nr_pdsch_channel_estimation(ue, - 0 /*eNB_id*/, - nr_tti_rx, - 0 /*p*/, - m, - ue->frame_parms.first_carrier_offset+(BWPStart + pdsch_start_rb)*12, - pdsch_nb_rb); - LOG_D(PHY,"Channel Estimation in symbol %d\n",m); - break; + nr_pdsch_channel_estimation(ue, + 0 /*eNB_id*/, + nr_tti_rx, + 0 /*p*/, + m, + ue->frame_parms.first_carrier_offset+(BWPStart + pdsch_start_rb)*12, + pdsch_nb_rb); + LOG_D(PHY,"Channel Estimation in symbol %d\n",m); + if ( ue->high_speed_flag == 0 ) //for slow speed case only estimate the channel once per slot + break; } } for (m = s0; m < (s1 + s0); m++) { @@ -902,7 +903,7 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, uint8_t is_cw0_active = 0; uint8_t is_cw1_active = 0; uint8_t dmrs_type, nb_re_dmrs; - uint16_t length_dmrs = 1; + uint16_t dmrs_len = get_num_dmrs(dlsch0->harq_processes[dlsch0->current_harq_pid]->dlDmrsSymbPos); uint16_t nb_symb_sch = 9; nr_downlink_indication_t dl_indication; fapi_nr_rx_indication_t rx_ind; @@ -991,7 +992,7 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, dlsch0->harq_processes[harq_pid]->G = nr_get_G(dlsch0->harq_processes[harq_pid]->nb_rb, nb_symb_sch, nb_re_dmrs, - length_dmrs, + dmrs_len, dlsch0->harq_processes[harq_pid]->Qm, dlsch0->harq_processes[harq_pid]->Nl); #if UE_TIMING_TRACE @@ -1072,11 +1073,11 @@ void nr_ue_dlsch_procedures(PHY_VARS_NR_UE *ue, if(is_cw1_active) { // start ldpc decode for CW 1 - dlsch1->harq_processes[harq_pid]->G = nr_get_G(dlsch1->harq_processes[harq_pid]->nb_rb, - nb_symb_sch, - nb_re_dmrs, - length_dmrs, - dlsch1->harq_processes[harq_pid]->Qm, + dlsch1->harq_processes[harq_pid]->G = nr_get_G(dlsch1->harq_processes[harq_pid]->nb_rb, + nb_symb_sch, + nb_re_dmrs, + dmrs_len, + dlsch1->harq_processes[harq_pid]->Qm, dlsch1->harq_processes[harq_pid]->Nl); #if UE_TIMING_TRACE start_meas(&ue->dlsch_unscrambling_stats); @@ -1764,7 +1765,7 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue, for (int i=0;i<4;i++) if (((1<<i)&dlsch0_harq->dlDmrsSymbPos) > 0) {symb_dmrs=i;break;} AssertFatal(symb_dmrs>=0,"no dmrs in 0..3\n"); LOG_D(PHY,"Initializing dmrs for symb %d DMRS mask %x\n",symb_dmrs,dlsch0_harq->dlDmrsSymbPos); - nr_gold_pdsch(ue,symb_dmrs,0, 1); + nr_gold_pdsch(ue,0); for (uint16_t m=start_symb_sch;m<(nb_symb_sch+start_symb_sch) ; m++){ nr_slot_fep(ue, -- 2.26.2