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Commit e097bec7 authored by hardy's avatar hardy
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Merge remote-tracking branch 'origin/nr_dl_dmrs_type2' into integration_2020_wk48

parents b57ef17b 0e298d87
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Showing with 558 additions and 157 deletions
openair1/PHY/INIT/nr_parms.c
View file @ e097bec7
......@@ -290,9 +290,9 @@ int nr_init_frame_parms(nfapi_nr_config_request_scf_t* cfg,
fp->slots_per_frame = 10* fp->slots_per_subframe;
fp->nb_antenna_ports_gNB = 1; // default value until overwritten by RRCConnectionReconfiguration
fp->nb_antennas_rx = 1; // default value until overwritten by RRCConnectionReconfiguration
fp->nb_antennas_tx = 1; // default value until overwritten by RRCConnectionReconfiguration
fp->nb_antenna_ports_gNB = cfg->carrier_config.num_tx_ant.value;// It corresponds to pdsch_AntennaPorts
fp->nb_antennas_rx = cfg->carrier_config.num_rx_ant.value; // It denotes the number of rx antennas at gNB
fp->nb_antennas_tx = 1; // It corresponds to the number of UE Tx antennas
fp->symbols_per_slot = ((Ncp == NORMAL)? 14 : 12); // to redefine for different slot formats
fp->samples_per_subframe_wCP = fp->ofdm_symbol_size * fp->symbols_per_slot * fp->slots_per_subframe;
......
openair1/PHY/NR_REFSIG/dmrs_nr.c
View file @ e097bec7
......@@ -37,6 +37,7 @@
uint8_t allowed_xlsch_re_in_dmrs_symbol(uint16_t k,
uint16_t start_sc,
uint16_t ofdm_symbol_size,
uint8_t numDmrsCdmGrpsNoData,
uint8_t dmrs_type) {
uint8_t delta;
......@@ -44,7 +45,7 @@ uint8_t allowed_xlsch_re_in_dmrs_symbol(uint16_t k,
if (k>start_sc)
diff = k-start_sc;
else
diff = start_sc-k;
diff = (ofdm_symbol_size-start_sc)+k;
for (int i = 0; i<numDmrsCdmGrpsNoData; i++){
if (dmrs_type==NFAPI_NR_DMRS_TYPE1) {
delta = i;
......@@ -53,7 +54,7 @@ uint8_t allowed_xlsch_re_in_dmrs_symbol(uint16_t k,
}
else {
delta = i<<1;
if ( (((diff)%6) == delta) || (((k-start_sc)%6) == (delta+1)) )
if (((diff%6) == delta) || ((diff%6) == (delta+1)))
return (0);
}
}
......
openair1/PHY/NR_REFSIG/dmrs_nr.h
View file @ e097bec7
......@@ -58,6 +58,7 @@ uint16_t get_dmrs_freq_idx_ul(uint16_t n, uint8_t k_prime, uint8_t delta, uint8_
uint8_t allowed_xlsch_re_in_dmrs_symbol(uint16_t k,
uint16_t start_sc,
uint16_t ofdm_symbol_size,
uint8_t numDmrsCdmGrpsNoData,
uint8_t dmrs_type);
......
openair1/PHY/NR_REFSIG/nr_dmrs_rx.c
View file @ e097bec7
......@@ -121,18 +121,18 @@ int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
array_of_w *wf;
array_of_w *wt;
config_type = 0; //to be updated by higher layer
config_type = ue->dmrs_DownlinkConfig.pdsch_dmrs_type;
wf = (config_type==0) ? wf1 : wf2;
wt = (config_type==0) ? wt1 : wt2;
wf = (config_type==pdsch_dmrs_type1) ? wf1 : wf2;
wt = (config_type==pdsch_dmrs_type1) ? wt1 : wt2;
if (config_type > 1)
LOG_E(PHY,"Bad PDSCH DMRS config type %d\n", config_type);
if ((p>=1000) && (p<((config_type==0) ? 1008 : 1012))) {
if ((p>=1000) && (p<((config_type==pdsch_dmrs_type1) ? 1008 : 1012))) {
if (ue->frame_parms.Ncp == NORMAL) {
for (int i=0; i<nb_pdsch_rb*((config_type==0) ? 6:4); i++) {
for (int i=0; i<nb_pdsch_rb*((config_type==pdsch_dmrs_type1) ? 6:4); i++) {
w = (wf[p-1000][i&1])*(wt[p-1000][lp]);
mod_table = (w==1) ? nr_rx_mod_table : nr_rx_nmod_table;
......
openair1/PHY/NR_TRANSPORT/nr_dlsch.c
View file @ e097bec7
......@@ -140,7 +140,7 @@ 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], l0, l_prime, l_overline, delta;
uint8_t dmrs_Type = rel15->dmrsConfigType;
int nb_re_dmrs;
uint16_t n_dmrs;
......@@ -153,10 +153,10 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
n_dmrs = ((rel15->rbSize+rel15->rbStart)*4)<<1;
}
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-xOverhead)*rel15->rbSize*rel15->nrOfLayers;
uint8_t Qm = rel15->qamModOrder[0];
uint32_t encoded_length = nb_re*Qm;
int16_t mod_dmrs[n_dmrs<<1] __attribute__ ((aligned(16)));
int16_t mod_dmrs[14][n_dmrs] __attribute__ ((aligned(16)));
/// CRC, coding, interleaving and rate matching
......@@ -248,18 +248,19 @@ 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
for (int l=rel15->StartSymbolIndex; l<rel15->StartSymbolIndex+rel15->NrOfSymbols; l++) {
if (rel15->dlDmrsSymbPos & (1 << l))
nr_modulation(pdsch_dmrs[l][0], n_dmrs, DMRS_MOD_ORDER, mod_dmrs[l]); // currently only codeword 0 is modulated. Qm = 2 as DMRS is QPSK modulated
}
#ifdef DEBUG_DLSCH
l0 = get_l0(rel15->dlDmrsSymbPos);
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("%d %d\t", mod_dmrs[((i<<3)+j)<<1], mod_dmrs[(((i<<3)+j)<<1)+1]);
}
printf("\n");
}
......@@ -283,55 +284,71 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
get_Wt(Wt, ap, dmrs_Type);
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];
l_prime = 0; // single symbol ap 0
l0 = get_l0(rel15->dlDmrsSymbPos);
l_overline = l0;
#ifdef DEBUG_DLSCH_MAPPING
uint8_t dmrs_symbol = l0+l_prime;
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);
1+dmrs_Type,ap, Wt[0], Wt[1], Wf[0], Wf[1], delta, l_prime, l0, dmrs_symbol);
#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;
for (int l=rel15->StartSymbolIndex; l<rel15->StartSymbolIndex+rel15->NrOfSymbols; l++) {
k = start_sc;
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)))) {
((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;
k = start_sc;
n = 0;
k_prime = 0;
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;
for (int i=0; i<rel15->rbSize*NR_NB_SC_PER_RB; i++) {
if ((rel15->dlDmrsSymbPos & (1 << l)) && (k == ((start_sc+get_dmrs_freq_idx(n, k_prime, delta, dmrs_Type))%(frame_parms->ofdm_symbol_size)))) {
if (l==(l_overline+1)) //take into account the double DMRS symbols
l_prime = 1;
else if (l>(l_overline+1)) {//new DMRS pair
l_overline = l;
l_prime = 0;
}
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)] = (Wt[l_prime]*Wf[k_prime]*amp*mod_dmrs[l][dmrs_idx<<1]) >> 15;
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)] = (Wt[l_prime]*Wf[k_prime]*amp*mod_dmrs[l][(dmrs_idx<<1) + 1]) >> 15;
#ifdef DEBUG_DLSCH_MAPPING
printf("dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d\n",
dmrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
printf("dmrs_idx %d\t l %d \t k %d \t k_prime %d \t n %d \t txdataF: %d %d\n",
dmrs_idx, l, k, k_prime, n, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
#endif
dmrs_idx++;
k_prime++;
k_prime&=1;
n+=(k_prime)?0:1;
}
else {
if( (l != dmrs_symbol) || 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;
dmrs_idx++;
k_prime++;
k_prime&=1;
n+=(k_prime)?0:1;
} else {
if( (!(rel15->dlDmrsSymbPos & (1 << l))) || allowed_xlsch_re_in_dmrs_symbol(k,start_sc,frame_parms->ofdm_symbol_size,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
printf("m %d\t l %d \t k %d \t txdataF: %d %d\n",
m, l, k, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
printf("m %d\t l %d \t k %d \t txdataF: %d %d\n",
m, l, k, ((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + (2*txdataF_offset)],
((int16_t*)txdataF[ap])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1 + (2*txdataF_offset)]);
#endif
m++;
}
}
if (++k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
} //RE loop
m++;
}
}
if (++k >= frame_parms->ofdm_symbol_size)
k -= frame_parms->ofdm_symbol_size;
} //RE loop
} // symbol loop
}// layer loop
dlsch->slot_tx[slot]=0;
}// dlsch loop
return 0;
......
openair1/PHY/NR_TRANSPORT/nr_sch_dmrs.c
View file @ e097bec7
......@@ -67,12 +67,12 @@ void get_antenna_ports(uint8_t *ap, uint8_t n_symbs, uint8_t config) {
void get_Wt(int8_t *Wt, uint8_t ap, uint8_t config) {
for (int i=0; i<2; i++)
*(Wt+i)=(config==NFAPI_NR_DMRS_TYPE1)?(pdsch_dmrs_1[ap][3+i]):(pdsch_dmrs_2[ap][3+i]);
*(Wt+i)=(config==NFAPI_NR_DMRS_TYPE1)?(pdsch_dmrs_1[ap][5+i]):(pdsch_dmrs_2[ap][5+i]);
}
void get_Wf(int8_t *Wf, uint8_t ap, uint8_t config) {
for (int i=0; i<2; i++)
*(Wf+i)=(config==NFAPI_NR_DMRS_TYPE1)?(pdsch_dmrs_1[ap][5+i]):(pdsch_dmrs_2[ap][5+i]);
*(Wf+i)=(config==NFAPI_NR_DMRS_TYPE1)?(pdsch_dmrs_1[ap][3+i]):(pdsch_dmrs_2[ap][3+i]);
}
uint8_t get_delta(uint8_t ap, uint8_t config) {
......
openair1/PHY/NR_UE_ESTIMATION/filt16a_32.c
View file @ e097bec7
......@@ -185,3 +185,57 @@ short filt8_rr1[8] = {
short filt8_rr2[8] = {
-4096,-8192,-12288,-16384,0,0,0,0};
short filt8_l2[8] = {
0,0,13107,9830,6554,3277,0,0};
short filt8_r2[8] = {
0,0,3277,6554,9830,13107,0,0};
short filt8_m2[8] = {
0,0,0,0,13107,9830,6554,3277};
short filt8_mm2[8]= {
0,0,0,0,3277,6554,9830,13107};
short filt8_rl2[8] = {
19661,22938,26214,29491,0,0,0,0};
short filt8_rm2[8] = {
-3277,-6554,-9830,-13107,0,0,0,0};//-3277,-6554,-9830,-13107
short filt8_l3[8] = {
22938,19661,0,0,13107,9830,6554,3277};
short filt8_r3[8] = {
-7537,-4260,0,0,3277,6554,9830,13107};//-6554,-3277
short filt8_rl3[8] = {
0,0,19661,22938,0,0,0,0};
short filt8_rr3[8] = {
0,0,-4260,-7537,0,0,0,0};//-3277,-6554
short filt8_dcrl1[8] = {
14895,13405,11916,10426,8937,7447,5958,4468};
short filt8_dcrh1[8] = {
2979,1489,0,0,0,0,0,0};
short filt8_dcll1[8] = {
13405,14895,0,0,0,0,0,0};
short filt8_dclh1[8] = {
1489,2979,4468,5958,7447,8937,10426,11916};
short filt8_dcrl2[8] = {
0,0,0,0,14895,13405,11916,10426};
short filt8_dcrh2[8] = {
8937,7447,5958,4468,2979,1489,0,0,};
short filt8_dcll2[8] = {
7447,8937,10426,11916,13405,14895,0,0};
short filt8_dclh2[8] = {
0,0,0,0,1489,2979,4468,5958};
openair1/PHY/NR_UE_ESTIMATION/filt16a_32.h
View file @ e097bec7
......@@ -133,4 +133,40 @@ extern short filt8_rr1[8];
extern short filt8_rr2[8];
extern short filt8_rm2[8];
extern short filt8_rl2[8];
extern short filt8_l2[8];
extern short filt8_r2[8];
extern short filt8_m2[8];
extern short filt8_mm2[8];
extern short filt8_l3[8];
extern short filt8_r3[8];
extern short filt8_rr3[8];
extern short filt8_rl3[8];
extern short filt8_dcrl1[8];
extern short filt8_dcrh1[8];
extern short filt8_dcll1[8];
extern short filt8_dclh1[8];
extern short filt8_dcrl2[8];
extern short filt8_dcrh2[8];
extern short filt8_dcll2[8];
extern short filt8_dclh2[8];
#endif
\ No newline at end of file
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_demodulation.c
View file @ e097bec7
......@@ -151,6 +151,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
uint32_t llr_offset_symbol;
//uint16_t bundle_L = 2;
uint8_t pilots=0;
uint8_t config_type = ue->dmrs_DownlinkConfig.pdsch_dmrs_type;
uint16_t n_tx=1, n_rx=1;
int32_t median[16];
uint32_t len;
......@@ -377,6 +378,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
pdsch_vars[eNB_id]->pmi_ext,
symbol,
pilots,
config_type,
start_rb,
nb_rb_pdsch,
nr_tti_rx,
......@@ -393,7 +395,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
return(-1);
}
len = (pilots==1)? (nb_rb*6):(nb_rb*12);
len = (pilots==1)? ((config_type==pdsch_dmrs_type1)?nb_rb*(12-6*dlsch0_harq->n_dmrs_cdm_groups): nb_rb*(12-4*dlsch0_harq->n_dmrs_cdm_groups)):(nb_rb*12);
#if UE_TIMING_TRACE
stop_meas(&ue->generic_stat_bis[ue->current_thread_id[nr_tti_rx]][slot]);
......@@ -417,6 +419,7 @@ int nr_rx_pdsch(PHY_VARS_NR_UE *ue,
dlsch,
symbol,
pilots,
len,
nb_rb);
#if UE_TIMING_TRACE
......@@ -1806,6 +1809,7 @@ void nr_dlsch_scale_channel(int **dl_ch_estimates_ext,
NR_UE_DLSCH_t **dlsch_ue,
uint8_t symbol,
uint8_t pilots,
uint32_t len,
unsigned short nb_rb)
{
......@@ -1815,17 +1819,14 @@ void nr_dlsch_scale_channel(int **dl_ch_estimates_ext,
unsigned char aatx,aarx;
__m128i *dl_ch128, ch_amp128;
if (pilots==1){
nb_rb = nb_rb>>1;
}
uint32_t nb_rb_0 = len/12 + ((len%12)?1:0);
// Determine scaling amplitude based the symbol
ch_amp = 1024*8; //((pilots) ? (dlsch_ue[0]->sqrt_rho_b) : (dlsch_ue[0]->sqrt_rho_a));
LOG_D(PHY,"Scaling PDSCH Chest in OFDM symbol %d by %d, pilots %d nb_rb %d NCP %d symbol %d\n",symbol,ch_amp,pilots,nb_rb,frame_parms->Ncp,symbol);
// printf("Scaling PDSCH Chest in OFDM symbol %d by %d\n",symbol_mod,ch_amp);
LOG_D(PHY,"Scaling PDSCH Chest in OFDM symbol %d by %d, pilots %d nb_rb %d NCP %d symbol %d\n",symbol,ch_amp,pilots,nb_rb,frame_parms->Ncp,symbol);
// printf("Scaling PDSCH Chest in OFDM symbol %d by %d\n",symbol_mod,ch_amp);
ch_amp128 = _mm_set1_epi16(ch_amp); // Q3.13
......@@ -1834,7 +1835,7 @@ void nr_dlsch_scale_channel(int **dl_ch_estimates_ext,
dl_ch128=(__m128i *)&dl_ch_estimates_ext[(aatx<<1)+aarx][symbol*nb_rb*12];
for (rb=0;rb<nb_rb;rb++) {
for (rb=0;rb<nb_rb_0;rb++) {
dl_ch128[0] = _mm_mulhi_epi16(dl_ch128[0],ch_amp128);
dl_ch128[0] = _mm_slli_epi16(dl_ch128[0],3);
......@@ -2360,6 +2361,7 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
unsigned char *pmi_ext,
unsigned char symbol,
uint8_t pilots,
uint8_t config_type,
unsigned short start_rb,
unsigned short nb_rb_pdsch,
unsigned char nr_tti_rx,
......@@ -2376,8 +2378,12 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
unsigned char j=0;
AssertFatal(frame_parms->nushift ==0 || frame_parms->nushift == 1,
"nushift %d is illegal\n",frame_parms->nushift);
if (config_type==pdsch_dmrs_type1)
AssertFatal(frame_parms->nushift ==0 || frame_parms->nushift == 1,
"nushift %d is illegal\n",frame_parms->nushift);
else
AssertFatal(frame_parms->nushift ==0 || frame_parms->nushift == 2 || frame_parms->nushift == 4,
"nushift %d is illegal\n",frame_parms->nushift);
for (aarx=0; aarx<frame_parms->nb_antennas_rx; aarx++) {
......@@ -2397,34 +2403,44 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
if (k>frame_parms->ofdm_symbol_size) {
k = k-frame_parms->ofdm_symbol_size;
rxF = &rxdataF[aarx][(k+(symbol*(frame_parms->ofdm_symbol_size)))];
}
}
if (pilots==0) {
memcpy((void*)rxF_ext,(void*)rxF,12*sizeof(*rxF_ext));
memcpy((void*)dl_ch0_ext,(void*)dl_ch0,12*sizeof(*dl_ch0_ext));
dl_ch0_ext+=12;
rxF_ext+=12;
} else {
j=0;
for (i = (1-frame_parms->nushift);
i<12;
i+=2) {
rxF_ext[j]=rxF[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
dl_ch0_ext+=6;
rxF_ext+=6;
} else {//the symbol contains DMRS
j=0;
if (config_type==pdsch_dmrs_type1){
for (i = (1-frame_parms->nushift); i<12; i+=2) {
rxF_ext[j]=rxF[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
dl_ch0_ext+=6;
rxF_ext+=6;
} else {
for (i = (2+frame_parms->nushift); i<6; i++) {
rxF_ext[j]=rxF[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
for (i = (8+frame_parms->nushift); i<12; i++) {
rxF_ext[j]=rxF[i];
dl_ch0_ext[j]=dl_ch0[i];
j++;
}
dl_ch0_ext+= 8;
rxF_ext+= 8;
}
}
dl_ch0+=12;
rxF+=12;
k+=12;
if (k>=frame_parms->ofdm_symbol_size) {
k=k-(frame_parms->ofdm_symbol_size);
rxF = &rxdataF[aarx][k+(symbol*(frame_parms->ofdm_symbol_size))];
k = k-(frame_parms->ofdm_symbol_size);
rxF = &rxdataF[aarx][k+(symbol*(frame_parms->ofdm_symbol_size))];
}
}
}
......
openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
View file @ e097bec7
......@@ -714,9 +714,10 @@ unsigned short nr_dlsch_extract_rbs_single(int **rxdataF,
unsigned short pmi,
unsigned char *pmi_ext,
unsigned char symbol,
uint8_t pilots,
unsigned short start_rb,
unsigned short nb_pdsch_rb,
uint8_t pilots,
uint8_t config_type,
unsigned short start_rb,
unsigned short nb_pdsch_rb,
unsigned char nr_tti_rx,
uint32_t high_speed_flag,
NR_DL_FRAME_PARMS *frame_parms);
......@@ -1002,7 +1003,8 @@ void nr_dlsch_scale_channel(int32_t **dl_ch_estimates_ext,
NR_DL_FRAME_PARMS *frame_parms,
NR_UE_DLSCH_t **dlsch_ue,
uint8_t symbol,
uint8_t start_symbol,
uint8_t start_symbol,
uint32_t len,
uint16_t nb_rb);
/** \brief This is the top-level entry point for DLSCH decoding in UE. It should be replicated on several
......
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
View file @ e097bec7
......@@ -360,7 +360,7 @@ void nr_ue_ulsch_procedures(PHY_VARS_NR_UE *UE,
ptrs_idx++;
} else if (!is_dmrs_sym || allowed_xlsch_re_in_dmrs_symbol(k, start_sc, cdm_grps_no_data, dmrs_type)) {
} else if (!is_dmrs_sym || allowed_xlsch_re_in_dmrs_symbol(k, start_sc, frame_parms->ofdm_symbol_size, cdm_grps_no_data, dmrs_type)) {
((int16_t*)txdataF[ap])[(sample_offsetF)<<1] = ((int16_t *) ulsch_ue->y)[m<<1];
((int16_t*)txdataF[ap])[((sample_offsetF)<<1) + 1] = ((int16_t *) ulsch_ue->y)[(m<<1) + 1];
......
openair1/PHY/impl_defs_nr.h
View file @ e097bec7
......@@ -496,8 +496,8 @@ typedef struct{ // CSI-MeasConfig IE is used to configure CSI-RS (reference sign
uint8_t reportTriggerSize;
} csi_MeasConfig_t;
typedef enum {
pdsch_dmrs_type1 = 1,
pdsch_dmrs_type2 = 2
pdsch_dmrs_type1 = 0,
pdsch_dmrs_type2 = 1
} pdsch_dmrs_type_t;
typedef enum {
pusch_dmrs_type1 = 0,
......
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ e097bec7
......@@ -738,15 +738,27 @@ int nr_ue_pdsch_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, int eNB_
// do channel estimation for first DMRS only
for (m = s0; m < 3; 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;
for (uint8_t aatx=0; aatx<1; aatx++) {//for MIMO Config: it shall loop over no_layers
nr_pdsch_channel_estimation(ue,
0 /*eNB_id*/,
nr_tti_rx,
aatx /*p*/,
m,
ue->frame_parms.first_carrier_offset+(BWPStart + pdsch_start_rb)*12,
pdsch_nb_rb);
LOG_D(PHY,"PDSCH Channel estimation gNB id %d, PDSCH antenna port %d, slot %d, symbol %d\n",0,aatx,nr_tti_rx,m);
#if 0
///LOG_M: the channel estimation
int nr_frame_rx = proc->frame_rx;
char filename[100];
for (uint8_t aarx=0; aarx<ue->frame_parms.nb_antennas_rx; aarx++) {
sprintf(filename,"PDSCH_CHANNEL_frame%d_slot%d_sym%d_port%d_rx%d.m", nr_frame_rx, nr_tti_rx, m, aatx,aarx);
int **dl_ch_estimates = ue->pdsch_vars[ue->current_thread_id[nr_tti_rx]][0]->dl_ch_estimates;
LOG_M(filename,"channel_F",&dl_ch_estimates[aatx*ue->frame_parms.nb_antennas_rx+aarx][ue->frame_parms.ofdm_symbol_size*m],ue->frame_parms.ofdm_symbol_size, 1, 1);
}
#endif
}
break;
}
}
for (m = s0; m < (s1 + s0); m++) {
......
targets/PROJECTS/GENERIC-LTE-EPC/CONF/gnb.band78.tm1.106PRB.usrpn300.conf
View file @ e097bec7
......@@ -23,7 +23,7 @@ gNBs =
ssb_SubcarrierOffset = 0;
pdsch_AntennaPorts = 1;
servingCellConfigCommon = (
{
#spCellConfigCommon
......@@ -247,8 +247,15 @@ RUs = (
max_pdschReferenceSignalPower = -27;
max_rxgain = 75;
eNB_instances = [0];
#beamforming 1x4 matrix:
bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000];
##beamforming 1x2 matrix: 1 layer x 2 antennas
bf_weights = [0x00007fff, 0x0000];
##beamforming 1x4 matrix: 1 layer x 4 antennas
#bf_weights = [0x00007fff, 0x0000,0x0000, 0x0000];
## beamforming 2x2 matrix:
# bf_weights = [0x00007fff, 0x00000000, 0x00000000, 0x00007fff];
## beamforming 4x4 matrix:
#bf_weights = [0x00007fff, 0x0000, 0x0000, 0x0000, 0x00000000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff, 0x0000, 0x0000, 0x0000, 0x0000, 0x00007fff];
sdr_addrs = "addr=192.168.10.2,mgmt_addr=192.168.10.2,second_addr=192.168.20.2";
clock_src = "external";
}
......
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