Commit 47df7e51 authored by Florian Kaltenberger's avatar Florian Kaltenberger

Merge branch 'nr_pbchsim' of https://gitlab.eurecom.fr/oai/openairinterface5g into nr_pbchsim

parents f841174f 6f38c94d
......@@ -1296,7 +1296,7 @@ set(PHY_SRC_UE
${OPENAIR1_DIR}/PHY/NR_REFSIG/nr_gold.c
${OPENAIR1_DIR}/PHY/TOOLS/file_output.c
${OPENAIR1_DIR}/PHY/TOOLS/cadd_vv.c
${OPENAIR1_DIR}/PHY/TOOLS/lte_dfts.c
#${OPENAIR1_DIR}/PHY/TOOLS/lte_dfts.c
${OPENAIR1_DIR}/PHY/TOOLS/log2_approx.c
${OPENAIR1_DIR}/PHY/TOOLS/cmult_sv.c
${OPENAIR1_DIR}/PHY/TOOLS/cmult_vv.c
......@@ -1334,7 +1334,7 @@ set(PHY_SRC_UE
${OPENAIR1_DIR}/PHY/NR_UE_ESTIMATION/nr_dl_channel_estimation.c
${OPENAIR1_DIR}/PHY/TOOLS/file_output.c
${OPENAIR1_DIR}/PHY/TOOLS/cadd_vv.c
${OPENAIR1_DIR}/PHY/TOOLS/lte_dfts.c
# ${OPENAIR1_DIR}/PHY/TOOLS/lte_dfts.c
${OPENAIR1_DIR}/PHY/TOOLS/log2_approx.c
${OPENAIR1_DIR}/PHY/TOOLS/cmult_sv.c
${OPENAIR1_DIR}/PHY/TOOLS/cmult_vv.c
......
......@@ -1069,9 +1069,17 @@ int8_t polar_decoder_int16(int16_t *input,
nr_polar_deinterleaver(polarParams->nr_polar_CPrime, polarParams->nr_polar_B, polarParams->interleaving_pattern, polarParams->K);
//Remove the CRC (â)
for (int j = 0; j < polarParams->payloadBits; j++) polarParams->nr_polar_A[j]=polarParams->nr_polar_B[j];
nr_byte2bit_uint8_32_t(polarParams->nr_polar_A, polarParams->payloadBits, out);
//for (int j = 0; j < polarParams->payloadBits; j++) polarParams->nr_polar_A[j]=polarParams->nr_polar_B[j];
// Check the CRC
for (int j=0;j<polarParams->crcParityBits;j++) {
int crcbit=0;
for (int i=0;i<polarParams->payloadBits;i++)
crcbit = crcbit ^ (polarParams->crc_generator_matrix[i][j] & polarParams->nr_polar_B[i]);
if (crcbit != polarParams->nr_polar_B[polarParams->payloadBits+j]) return(-1);
}
// pack into ceil(payloadBits/32) 32 bit words, lowest index in MSB
// nr_byte2bit_uint8_32_t(polarParams->nr_polar_A, polarParams->payloadBits, out);
nr_byte2bit_uint8_32_t(polarParams->nr_polar_B, polarParams->payloadBits, out);
return(0);
}
......@@ -443,7 +443,7 @@ void applyGtoright(t_nrPolar_params *pp,decoder_node_t *node) {
}
else
#endif
{// equvalent scalar code to above, activated only on non x86/ARM architectures
{// equvalent scalar code to above, activated only on non x86/ARM architectures or Nv=1,2
for (int i=0;i<node->Nv/2;i++) {
alpha_r[i] = alpha_v[i+(node->Nv/2)] - (betal[i]*alpha_v[i]);
}
......
......@@ -361,11 +361,13 @@ static inline void nr_polar_interleaver(uint8_t *input,
}
static inline void nr_polar_deinterleaver(uint8_t *input,
uint8_t *output,
uint16_t *pattern,
uint16_t size)
uint8_t *output,
uint16_t *pattern,
uint16_t size)
{
for (int i=0; i<size; i++) output[pattern[i]]=input[i];
for (int i=0; i<size; i++) {
output[pattern[i]]=input[i];
}
}
#endif
......@@ -54,7 +54,7 @@ void polar_encoder(uint32_t *in,
polarParams->nr_polar_crc,
polarParams->payloadBits,
polarParams->crcParityBits);
for (uint8_t i = 0; i < polarParams->crcParityBits; i++)
for (uint8_t i = 0; i < polarParams->crcParityBits; i++)
polarParams->nr_polar_crc[i] = (polarParams->nr_polar_crc[i] % 2);
//Attach CRC to the Transport Block. (a to b)
......
......@@ -185,9 +185,9 @@ void nr_polar_print_polarParams(t_nrPolar_paramsPtr polarParams)
}
t_nrPolar_paramsPtr nr_polar_params (t_nrPolar_paramsPtr polarParams,
int8_t messageType,
uint16_t messageLength,
uint8_t aggregation_level)
int8_t messageType,
uint16_t messageLength,
uint8_t aggregation_level)
{
t_nrPolar_paramsPtr currentPtr = NULL;
......
......@@ -100,6 +100,8 @@ int phy_init_nr_gNB(PHY_VARS_gNB *gNB,
gNB->check_for_MUMIMO_transmissions=0;
while(gNB->configured == 0) usleep(10000);
init_dfts();
/*
LOG_I(PHY,"[gNB %"PRIu8"] Initializing DL_FRAME_PARMS : N_RB_DL %"PRIu8", PHICH Resource %d, PHICH Duration %d nb_antennas_tx:%u nb_antennas_rx:%u PRACH[rootSequenceIndex:%u prach_Config_enabled:%u configIndex:%u highSpeed:%u zeroCorrelationZoneConfig:%u freqOffset:%u]\n",
gNB->Mod_id,
......@@ -367,7 +369,7 @@ void install_schedule_handlers(IF_Module_t *if_inst)
/// this function is a temporary addition for NR configuration
void nr_phy_config_request_sim(PHY_VARS_gNB *gNB)
void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,int N_RB_DL,int N_RB_UL,int mu)
{
NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
nfapi_nr_config_request_t *gNB_config = &gNB->gNB_config;
......@@ -375,14 +377,14 @@ void nr_phy_config_request_sim(PHY_VARS_gNB *gNB)
//overwrite for new NR parameters
gNB_config->nfapi_config.rf_bands.rf_band[0] = 22;
gNB_config->nfapi_config.earfcn.value = 6600;
gNB_config->subframe_config.numerology_index_mu.value = 1;
gNB_config->subframe_config.duplex_mode.value = FDD;
gNB_config->subframe_config.numerology_index_mu.value = mu;
gNB_config->subframe_config.duplex_mode.value = TDD;
gNB_config->rf_config.tx_antenna_ports.value = 1;
gNB_config->rf_config.dl_carrier_bandwidth.value = 106;
gNB_config->rf_config.ul_carrier_bandwidth.value = 106;
gNB_config->rf_config.dl_carrier_bandwidth.value = N_RB_DL;
gNB_config->rf_config.ul_carrier_bandwidth.value = N_RB_UL;
gNB_config->sch_config.half_frame_index.value = 0;
gNB_config->sch_config.ssb_subcarrier_offset.value = 0;
gNB_config->sch_config.n_ssb_crb.value = 86;
gNB_config->sch_config.n_ssb_crb.value = (N_RB_DL-20)>>1;
gNB_config->sch_config.ssb_subcarrier_offset.value = 0;
......
......@@ -655,15 +655,16 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue,
int i,j,k,l;
int eNB_id;
int th_id;
int n_ssb_crb=(fp->N_RB_DL-20)>>1;
abstraction_flag = 0;
fp->nb_antennas_tx = 1;
fp->nb_antennas_rx=1;
printf("Initializing UE vars (abstraction %"PRIu8") for eNB TXant %"PRIu8", UE RXant %"PRIu8"\n",abstraction_flag,fp->nb_antennas_tx,fp->nb_antennas_rx);
//LOG_D(PHY,"[MSC_NEW][FRAME 00000][PHY_UE][MOD %02u][]\n", ue->Mod_id+NB_eNB_INST);
nr_init_frame_parms_ue(&ue->frame_parms);
nr_init_frame_parms_ue(&ue->frame_parms,NR_MU_1,NORMAL,n_ssb_crb,0);
phy_init_nr_top(ue);
// many memory allocation sizes are hard coded
......@@ -941,43 +942,25 @@ void init_nr_ue_transport(PHY_VARS_NR_UE *ue,int abstraction_flag) {
void phy_init_nr_top(PHY_VARS_NR_UE *ue)
{
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
NR_UE_DLSCH_t *dlsch0 = ue->dlsch[0][0][0];
dlsch0 =(NR_UE_DLSCH_t *)malloc16(sizeof(NR_UE_DLSCH_t));
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
NR_UE_DLSCH_t *dlsch0 = ue->dlsch[0][0][0];
dlsch0 =(NR_UE_DLSCH_t *)malloc16(sizeof(NR_UE_DLSCH_t));
crcTableInit();
init_dfts();
ccodedot11_init();
ccodedot11_init_inv();
ccodelte_init();
ccodelte_init_inv();
//treillis_table_init();
phy_generate_viterbi_tables();
phy_generate_viterbi_tables_lte();
//init_td8();
//init_td16();
#ifdef __AVX2__
//init_td16avx2();
#endif
init_context_synchro_nr(frame_parms);
generate_ul_reference_signal_sequences(SHRT_MAX);
// Polar encoder init for PBCH
//nr_polar_init(&frame_parms->pbch_polar_params, 1);
/*t_nrPolar_paramsPtr nrPolar_params = NULL, currentPtr = NULL;
nr_polar_init(&ue->nrPolar_params,
NR_POLAR_PBCH_MESSAGE_TYPE,
NR_POLAR_PBCH_PAYLOAD_BITS,
NR_POLAR_PBCH_AGGREGATION_LEVEL);*/
ue->nrPolar_params = NULL;
nr_polar_init(&ue->nrPolar_params,
NR_POLAR_PBCH_MESSAGE_TYPE,
NR_POLAR_PBCH_PAYLOAD_BITS,
NR_POLAR_PBCH_AGGREGATION_LEVEL);
//lte_sync_time_init(frame_parms);
//generate_ul_ref_sigs();
......
This diff is collapsed.
......@@ -377,11 +377,12 @@ void phy_config_request(PHY_Config_t *phy_config);
int init_frame_parms(LTE_DL_FRAME_PARMS *frame_parms,uint8_t osf);
void dump_frame_parms(LTE_DL_FRAME_PARMS *frame_parms);
int nr_init_frame_parms(nfapi_nr_config_request_t* config, NR_DL_FRAME_PARMS *frame_parms);
int nr_init_frame_parms_ue(NR_DL_FRAME_PARMS *frame_parms);
int nr_init_frame_parms_ue(NR_DL_FRAME_PARMS *frame_parms,int mu,int Ncp,int n_ssb_crb,int ssb_subcarrier_offset);
int init_nr_ue_signal(PHY_VARS_NR_UE *ue,int nb_connected_eNB,uint8_t abstraction_flag);
void nr_dump_frame_parms(NR_DL_FRAME_PARMS *frame_parms);
int phy_init_nr_gNB(PHY_VARS_gNB *gNB, unsigned char is_secondary_gNB, unsigned char abstraction_flag);
void nr_phy_config_request(NR_PHY_Config_t *gNB);
void nr_phy_config_request_sim(PHY_VARS_gNB *gNB,int N_RB_DL,int N_RB_UL,int mu);
void phy_free_nr_gNB(PHY_VARS_gNB *gNB);
int l1_north_init_gNB(void);
......
......@@ -285,6 +285,7 @@ int initial_sync(PHY_VARS_UE *ue, runmode_t mode)
init_frame_parms(frame_parms,1);
/*
LOG_M("rxdata0.m","rxd0",ue->common_vars.rxdata[0],10*frame_parms->samples_per_tti,1,1);
exit(-1);
*/
sync_pos = lte_sync_time(ue->common_vars.rxdata,
......
......@@ -122,10 +122,10 @@ void PHY_ofdm_mod(int *input, /// pointer to complex input
case 3072:
idft = idft3072;
break;
case 4096:
idft = idft4096;
break;
default:
idft = idft512;
break;
......
......@@ -30,12 +30,12 @@
#define SOFFSET 0
int nr_slot_fep(PHY_VARS_NR_UE *ue,
unsigned char l,
unsigned char Ns,
int sample_offset,
int no_prefix,
int reset_freq_est,
NR_CHANNEL_EST_t channel)
unsigned char l,
unsigned char Ns,
int sample_offset,
int no_prefix,
int reset_freq_est,
NR_CHANNEL_EST_t channel)
{
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
NR_UE_COMMON *common_vars = &ue->common_vars;
......@@ -61,7 +61,7 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
int uespec_pilot[9][1200];*/
void (*dft)(int16_t *,int16_t *, int);
int tmp_dft_in[2048] __attribute__ ((aligned (32))); // This is for misalignment issues for 6 and 15 PRBs
int tmp_dft_in[8192] __attribute__ ((aligned (32))); // This is for misalignment issues for 6 and 15 PRBs
switch (frame_parms->ofdm_symbol_size) {
case 128:
......@@ -88,6 +88,14 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
dft = dft2048;
break;
case 4096:
dft = dft4096;
break;
case 8192:
dft = dft8192;
break;
default:
dft = dft512;
break;
......@@ -143,7 +151,6 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
#if UE_TIMING_TRACE
stop_meas(&ue->rx_dft_stats);
#endif
}
} else {
rx_offset += (frame_parms->ofdm_symbol_size+nb_prefix_samples)*l;// +
......@@ -191,20 +198,17 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
switch(channel){
case NR_PBCH_EST:
//if ((l>4) && (l<8)) {
for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
//#ifdef DEBUG_FEP
printf("Channel estimation eNB %d, aatx %d, slot %d, symbol %d\n",eNB_id,aa,Ns,l);
//#endif
#ifdef DEBUG_FEP
printf("Channel estimation eNB %d, slot %d, symbol %d\n",eNB_id,Ns,l);
#endif
#if UE_TIMING_TRACE
start_meas(&ue->dlsch_channel_estimation_stats);
start_meas(&ue->dlsch_channel_estimation_stats);
#endif
nr_pbch_channel_estimation(ue,eNB_id,0,
Ns,
aa,
l,
symbol);
nr_pbch_channel_estimation(ue,eNB_id,0,
Ns,
l,
symbol);
//}
#if UE_TIMING_TRACE
stop_meas(&ue->dlsch_channel_estimation_stats);
......@@ -232,53 +236,48 @@ int nr_slot_fep(PHY_VARS_NR_UE *ue,
#endif
}
}
break;
case NR_PDCCH_EST:
for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
#ifdef DEBUG_FEP
printf("PDCCH Channel estimation eNB %d, aatx %d, slot %d, symbol %d start_sc %d\n",eNB_id,aa,Ns,l,coreset_start_subcarrier);
printf("PDCCH Channel estimation eNB %d, aatx %d, slot %d, symbol %d start_sc %d\n",eNB_id,aa,Ns,l,coreset_start_subcarrier);
#endif
#if UE_TIMING_TRACE
start_meas(&ue->dlsch_channel_estimation_stats);
start_meas(&ue->dlsch_channel_estimation_stats);
#endif
nr_pdcch_channel_estimation(ue,eNB_id,0,
Ns,
aa,
l,
symbol,
coreset_start_subcarrier,
nb_rb_coreset);
nr_pdcch_channel_estimation(ue,eNB_id,0,
Ns,
l,
symbol,
coreset_start_subcarrier,
nb_rb_coreset);
#if UE_TIMING_TRACE
stop_meas(&ue->dlsch_channel_estimation_stats);
stop_meas(&ue->dlsch_channel_estimation_stats);
#endif
}
break;
case NR_PDSCH_EST:
for (aa=0; aa<frame_parms->nb_antenna_ports_eNB; aa++) {
#ifdef DEBUG_FEP
printf("Channel estimation eNB %d, aatx %d, slot %d, symbol %d\n",eNB_id,aa,Ns,l);
printf("Channel estimation eNB %d, aatx %d, slot %d, symbol %d\n",eNB_id,aa,Ns,l);
#endif
#if UE_TIMING_TRACE
start_meas(&ue->dlsch_channel_estimation_stats);
start_meas(&ue->dlsch_channel_estimation_stats);
#endif
nr_pdsch_channel_estimation(ue,eNB_id,0,
Ns,
aa,
l,
symbol,
bwp_start_subcarrier,
nb_rb_pdsch);
nr_pdsch_channel_estimation(ue,eNB_id,0,
Ns,
l,
symbol,
bwp_start_subcarrier,
nb_rb_pdsch);
#if UE_TIMING_TRACE
stop_meas(&ue->dlsch_channel_estimation_stats);
stop_meas(&ue->dlsch_channel_estimation_stats);
#endif
}
break;
case NR_SSS_EST:
break;
......
......@@ -106,13 +106,13 @@ short nr_rx_mod_table[NR_MOD_TABLE_SIZE_SHORT] = {0,0,23170,-23170,-23170,23170,
}*/
int nr_pdsch_dmrs_rx(PHY_VARS_NR_UE *ue,
uint8_t eNB_offset,
unsigned int Ns,
unsigned int nr_gold_pdsch[2][20][2][21],
int32_t *output,
unsigned short p,
int length_dmrs,
unsigned short nb_rb_pdsch)
uint8_t eNB_offset,
unsigned int Ns,
unsigned int nr_gold_pdsch[2][20][2][21],
int32_t *output,
unsigned short p,
int length_dmrs,
unsigned short nb_rb_pdsch)
{
int32_t qpsk[4],nqpsk[4],*qpsk_p, n;
//int w,mprime,ind,l,ind_dword,ind_qpsk_symb,kp,lp, config_type, k;
......@@ -216,26 +216,38 @@ int nr_pdcch_dmrs_rx(PHY_VARS_NR_UE *ue,
return(0);
}
int nr_pbch_dmrs_rx(unsigned int *nr_gold_pbch,
int32_t *output )
int nr_pbch_dmrs_rx(int symbol,unsigned int *nr_gold_pbch,int32_t *output )
{
int m;
uint8_t idx=0;
/// QPSK modulation
for (m=0; m<NR_PBCH_DMRS_LENGTH>>1; m++) {
idx = ((((nr_gold_pbch[(m<<1)>>5])>>((m<<1)&0x1f))&1)<<1) ^ (((nr_gold_pbch[((m<<1)+1)>>5])>>(((m<<1)+1)&0x1f))&1);
((int16_t*)output)[m<<1] = nr_rx_mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1];
((int16_t*)output)[(m<<1)+1] = nr_rx_mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1];
int m,m0,m1;
uint8_t idx=0;
AssertFatal(symbol>=0 && symbol <3,"illegal symbol %d\n",symbol);
if (symbol == 0) {
m0=0;
m1=60;
}
else if (symbol == 1) {
m0=60;
m1=84;
}
else {
m0=84;
m1=144;
}
// printf("Generating pilots symbol %d, m0 %d, m1 %d\n",symbol,m0,m1);
/// QPSK modulation
for (m=m0; m<m1; m++) {
idx = ((((nr_gold_pbch[(m<<1)>>5])>>((m<<1)&0x1f))&1)<<1) ^ (((nr_gold_pbch[((m<<1)+1)>>5])>>(((m<<1)+1)&0x1f))&1);
((int16_t*)output)[(m-m0)<<1] = nr_rx_mod_table[(NR_MOD_TABLE_QPSK_OFFSET + idx)<<1];
((int16_t*)output)[((m-m0)<<1)+1] = nr_rx_mod_table[((NR_MOD_TABLE_QPSK_OFFSET + idx)<<1) + 1];
#ifdef DEBUG_PBCH
if (m<16)
{printf("nr_gold_pbch[(m<<1)>>5] %x\n",nr_gold_pbch[(m<<1)>>5]);
if (m<16)
{printf("nr_gold_pbch[(m<<1)>>5] %x\n",nr_gold_pbch[(m<<1)>>5]);
printf("m %d output %d %d addr %p\n", m, ((int16_t*)output)[m<<1], ((int16_t*)output)[(m<<1)+1],&output[0]);
}
}
#endif
}
}
return(0);
}
......@@ -63,7 +63,7 @@
/* PSS configuration */
#define SYNCHRO_FFT_SIZE_MAX (2048) /* maximum size of fft for synchronisation */
#define SYNCHRO_FFT_SIZE_MAX (8192) /* maximum size of fft for synchronisation */
#define NO_RATE_CHANGE (1)
......@@ -102,13 +102,18 @@ EXTERN int16_t *primary_synchro_nr[NUMBER_PSS_SEQUENCE]
= { NULL, NULL, NULL}
#endif
;
EXTERN int16_t *primary_synchro_nr2[NUMBER_PSS_SEQUENCE]
#ifdef INIT_VARIABLES_PSS_NR_H
= { NULL, NULL, NULL}
#endif
;
EXTERN int16_t *primary_synchro_time_nr[NUMBER_PSS_SEQUENCE]
#ifdef INIT_VARIABLES_PSS_NR_H
= { NULL, NULL, NULL}
#endif
;
EXTERN int *pss_corr_ue[NUMBER_PSS_SEQUENCE]
EXTERN int64_t *pss_corr_ue[NUMBER_PSS_SEQUENCE]
#ifdef INIT_VARIABLES_PSS_NR_H
= { NULL, NULL, NULL}
#endif
......
......@@ -29,7 +29,7 @@
/*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PBCH DMRS.
@param PHY_VARS_NR_UE* ue structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables
*/
int nr_pbch_dmrs_rx(unsigned int *nr_gold_pbch, int32_t *output );
int nr_pbch_dmrs_rx(int dmrss,unsigned int *nr_gold_pbch, int32_t *output );
/*!\brief This function generates the NR Gold sequence (38-211, Sec 5.2.1) for the PDCCH DMRS.
@param PHY_VARS_NR_UE* ue structure provides configuration, frame parameters and the pointers to the 32 bits sequence storage tables
......
......@@ -51,7 +51,7 @@
#define NUMBER_SSS_SEQUENCE (336)
#define INVALID_SSS_SEQUENCE (NUMBER_SSS_SEQUENCE)
#define LENGTH_SSS_NR (127)
#define SCALING_METRIC_SSS_NR (19)
#define SCALING_METRIC_SSS_NR (15)//(19)
#define N_ID_2_NUMBER (NUMBER_PSS_SEQUENCE)
#define N_ID_1_NUMBER (NUMBER_SSS_SEQUENCE)
......
......@@ -55,7 +55,7 @@ int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs,
uint8_t idx=0;
uint8_t nushift = config->sch_config.physical_cell_id.value &3;
LOG_I(PHY, "PBCH DMRS mapping started at symbol %d shift %d\n", ssb_start_symbol+1, nushift);
LOG_D(PHY, "PBCH DMRS mapping started at symbol %d shift %d\n", ssb_start_symbol+1, nushift);
/// QPSK modulation
for (int m=0; m<NR_PBCH_DMRS_LENGTH; m++) {
......@@ -85,6 +85,11 @@ int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs,
#endif
((int16_t*)txdataF[aa])[(l*frame_parms->ofdm_symbol_size + k)<<1] = (a * mod_dmrs[m<<1]) >> 15;
((int16_t*)txdataF[aa])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1] = (a * mod_dmrs[(m<<1) + 1]) >> 15;
#ifdef DEBUG_PBCH_DMRS
printf("(%d,%d)\n",
((int16_t*)txdataF[aa])[(l*frame_parms->ofdm_symbol_size + k)<<1],
((int16_t*)txdataF[aa])[((l*frame_parms->ofdm_symbol_size + k)<<1)+1]);
#endif
k+=4;
if (k >= frame_parms->ofdm_symbol_size)
......@@ -101,6 +106,11 @@ int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs,
#endif
((int16_t*)txdataF[aa])[(l*frame_parms->ofdm_symbol_size + k)<<1] = (a * mod_dmrs[m<<1]) >> 15;
((int16_t*)txdataF[aa])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1] = (a * mod_dmrs[(m<<1) + 1]) >> 15;
#ifdef DEBUG_PBCH_DMRS
printf("(%d,%d)\n",
((int16_t*)txdataF[aa])[(l*frame_parms->ofdm_symbol_size + k)<<1],
((int16_t*)txdataF[aa])[((l*frame_parms->ofdm_symbol_size + k)<<1)+1]);
#endif
k+=(m==71)?148:4; // Jump from 44+nu to 192+nu
if (k >= frame_parms->ofdm_symbol_size)
......@@ -117,6 +127,11 @@ int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs,
#endif
((int16_t*)txdataF[aa])[(l*frame_parms->ofdm_symbol_size + k)<<1] = (a * mod_dmrs[m<<1]) >> 15;
((int16_t*)txdataF[aa])[((l*frame_parms->ofdm_symbol_size + k)<<1) + 1] = (a * mod_dmrs[(m<<1) + 1]) >> 15;
#ifdef DEBUG_PBCH_DMRS
printf("(%d,%d)\n",
((int16_t*)txdataF[aa])[(l*frame_parms->ofdm_symbol_size + k)<<1],
((int16_t*)txdataF[aa])[((l*frame_parms->ofdm_symbol_size + k)<<1)+1]);
#endif
k+=4;
if (k >= frame_parms->ofdm_symbol_size)
......@@ -218,7 +233,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
memset((void*) xbyte, 0, 1);
//uint8_t pbch_a_b[32];
LOG_I(PHY, "PBCH generation started\n");
// LOG_D(PHY, "PBCH generation started\n");
memset((void*)pbch, 0, sizeof(NR_gNB_PBCH));
///Payload generation
......
......@@ -22,7 +22,7 @@
#include "PHY/NR_TRANSPORT/nr_transport.h"
#define NR_PSS_DEBUG
//#define NR_PSS_DEBUG
int nr_generate_pss( int16_t *d_pss,
int32_t **txdataF,
......@@ -53,6 +53,7 @@ int nr_generate_pss( int16_t *d_pss,
#ifdef NR_PSS_DEBUG
write_output("d_pss.m", "d_pss", (void*)d_pss, NR_PSS_LENGTH, 1, 0);
printf("PSS: ofdm_symbol_size %d, first_carrier_offset %d\n",frame_parms->ofdm_symbol_size,frame_parms->first_carrier_offset);
#endif
/// Resource mapping
......@@ -63,9 +64,12 @@ int nr_generate_pss( int16_t *d_pss,
// PSS occupies a predefined position (subcarriers 56-182, symbol 0) within the SSB block starting from
k = frame_parms->first_carrier_offset + frame_parms->ssb_start_subcarrier + 56; //and
if (k>= frame_parms->ofdm_symbol_size) k-=frame_parms->ofdm_symbol_size;
l = ssb_start_symbol;
for (m = 0; m < NR_PSS_LENGTH; m++) {
// printf("pss: writing position k %d / %d\n",k,frame_parms->ofdm_symbol_size);
((int16_t*)txdataF[aa])[2*(l*frame_parms->ofdm_symbol_size + k)] = (a * d_pss[m]) >> 15;
k++;
......@@ -75,7 +79,9 @@ int nr_generate_pss( int16_t *d_pss,
}
#ifdef NR_PSS_DEBUG
write_output("pss_0.m", "pss_0", (void*)&txdataF[0][2*l*frame_parms->ofdm_symbol_size], frame_parms->ofdm_symbol_size, 1, 1);
LOG_M("pss_0.m", "pss_0",
(void*)&txdataF[0][ssb_start_symbol*frame_parms->ofdm_symbol_size],
frame_parms->ofdm_symbol_size, 1, 1);
#endif
return 0;
......
......@@ -83,7 +83,7 @@ int nr_generate_sss( int16_t *d_sss,
}
}
#ifdef NR_SSS_DEBUG
write_output("sss_0.m", "sss_0", (void*)txdataF[0][2*l*frame_parms->ofdm_symbol_size], frame_parms->ofdm_symbol_size, 1, 1);
// write_output("sss_0.m", "sss_0", (void*)txdataF[0][l*frame_parms->ofdm_symbol_size], frame_parms->ofdm_symbol_size, 1, 1);
#endif
return 0;
......
......@@ -46,7 +46,6 @@ int nr_pdcch_channel_estimation(PHY_VARS_NR_UE *ue,
uint8_t eNB_id,
uint8_t eNB_offset,
unsigned char Ns,
unsigned char p,
unsigned char l,
unsigned char symbol,
unsigned short coreset_start_subcarrier,
......@@ -56,7 +55,6 @@ int nr_pbch_channel_estimation(PHY_VARS_NR_UE *ue,
uint8_t eNB_id,
uint8_t eNB_offset,
unsigned char Ns,
unsigned char p,
unsigned char l,
unsigned char symbol);
......@@ -64,7 +62,6 @@ int nr_pdsch_channel_estimation(PHY_VARS_NR_UE *ue,
uint8_t eNB_id,
uint8_t eNB_offset,
unsigned char Ns,
unsigned char p,
unsigned char l,
unsigned char symbol,
unsigned short bwp_start_subcarrier,
......
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......@@ -1362,6 +1362,7 @@ void generate_RIV_tables(void);
N_RB_DL, PHICH_CONFIG and Nid_cell) and the UE can begin decoding PDCCH and DLSCH SI to retrieve the rest. Once these
parameters are know, the routine calls some basic initialization routines (cell-specific reference signals, etc.)
@param phy_vars_ue Pointer to UE variables
@param mode current running mode
*/
int nr_initial_sync(PHY_VARS_NR_UE *phy_vars_ue, runmode_t mode);
......
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......@@ -158,6 +158,128 @@ int32_t dot_product(int16_t *x,
#endif
}
int64_t dot_product64(int16_t *x,
int16_t *y,
uint32_t N, //must be a multiple of 8
uint8_t output_shift)
{
uint32_t n;
#if defined(__x86_64__) || defined(__i386__)
__m128i *x128,*y128,mmtmp1,mmtmp2,mmtmp3,mmcumul,mmcumul_re,mmcumul_im;
__m128i minus_i = _mm_set_epi16(-1,1,-1,1,-1,1,-1,1);
int32_t result;
x128 = (__m128i*) x;
y128 = (__m128i*) y;
mmcumul_re = _mm_setzero_si128();
mmcumul_im = _mm_setzero_si128();
for (n=0; n<(N>>2); n++) {
// printf("n=%d, x128=%p, y128=%p\n",n,x128,y128);
// print_shorts("x",&x128[0]);
// print_shorts("y",&y128[0]);
// this computes Re(z) = Re(x)*Re(y) + Im(x)*Im(y)
mmtmp1 = _mm_madd_epi16(x128[0],y128[0]);
// print_ints("retmp",&mmtmp1);
// mmtmp1 contains real part of 4 consecutive outputs (32-bit)
// shift and accumulate results
mmtmp1 = _mm_srai_epi32(mmtmp1,output_shift);
mmcumul_re =