Commit 8d5bb7c0 authored by lfarizav's avatar lfarizav

new generate_prach_freq function

parent ca98dc9d
......@@ -1152,13 +1152,12 @@ int phy_init_lte_ue(PHY_VARS_UE *ue,
}
// init RX buffers
if (do_ofdm_mod)
{
common_vars->rxdata = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*) );
for (i=0; i<fp->nb_antennas_rx; i++) {
common_vars->rxdata[i] = (int32_t*) malloc16_clear( (fp->samples_per_tti*10+2048)*sizeof(int32_t) );
}
if (do_ofdm_mod)
{
common_vars->common_vars_rx_data_per_thread[0].rxdataF = (int32_t**)malloc16( fp->nb_antennas_rx*sizeof(int32_t*));
printf("[lte_init_f] address of rxdataF in memory: %p, thread %d\n",&common_vars->common_vars_rx_data_per_thread[0].rxdataF,0);
for (i=0; i<fp->nb_antennas_rx; i++) {
......
......@@ -674,6 +674,7 @@ int32_t generate_prach( PHY_VARS_UE *ue, uint8_t eNB_id, uint8_t subframe, uint1
}
n_ra_prb = get_prach_prb_offset(&(ue->frame_parms), tdd_mapindex, Nf);
printf("[prach.c] n_ra_prb %d\n",n_ra_prb);
prach_root_sequence_map = (prach_fmt<4) ? prach_root_sequence_map0_3 : prach_root_sequence_map4;
/*
......@@ -1086,6 +1087,505 @@ int32_t generate_prach( PHY_VARS_UE *ue, uint8_t eNB_id, uint8_t subframe, uint1
return signal_energy( (int*)prach, 256 );
}
int32_t generate_prach_freq( PHY_VARS_UE *ue, uint8_t eNB_id, uint8_t subframe, uint16_t Nf )
{
lte_frame_type_t frame_type = ue->frame_parms.frame_type;
//uint8_t tdd_config = ue->frame_parms.tdd_config;
uint16_t rootSequenceIndex = ue->frame_parms.prach_config_common.rootSequenceIndex;
uint8_t prach_ConfigIndex = ue->frame_parms.prach_config_common.prach_ConfigInfo.prach_ConfigIndex;
uint8_t Ncs_config = ue->frame_parms.prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig;
uint8_t restricted_set = ue->frame_parms.prach_config_common.prach_ConfigInfo.highSpeedFlag;
//uint8_t n_ra_prboffset = ue->frame_parms.prach_config_common.prach_ConfigInfo.prach_FreqOffset;
uint8_t preamble_index = ue->prach_resources[eNB_id]->ra_PreambleIndex;
uint8_t tdd_mapindex = ue->prach_resources[eNB_id]->ra_TDD_map_index;
int16_t *prachF = ue->prach_vars[eNB_id]->prachF;
static int16_t prach_tmp[45600*2] __attribute__((aligned(32)));
int16_t *prach = prach_tmp;
int16_t *prach2;
int16_t amp = ue->prach_vars[eNB_id]->amp;
int16_t Ncp;
uint8_t n_ra_prb;
uint16_t NCS;
uint16_t *prach_root_sequence_map;
uint16_t preamble_offset,preamble_shift;
uint16_t preamble_index0,n_shift_ra,n_shift_ra_bar;
uint16_t d_start,numshift;
uint8_t prach_fmt = get_prach_fmt(prach_ConfigIndex,frame_type);
//uint8_t Nsp=2;
//uint8_t f_ra,t1_ra;
uint16_t N_ZC = (prach_fmt<4)?839:139;
uint8_t not_found;
int k;
int16_t *Xu;
uint16_t u;
int32_t Xu_re,Xu_im;
uint16_t offset,offset2;
int prach_start;
int i, prach_len;
uint16_t first_nonzero_root_idx=0;
#if defined(EXMIMO) || defined(OAI_USRP)
prach_start = (subframe*ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size);
#ifdef PRACH_DEBUG
LOG_I(PHY,"[UE %d] prach_start %d, rx_offset %d, hw_timing_advance %d, N_TA_offset %d\n", ue->Mod_id,
prach_start,
ue->rx_offset,
ue->hw_timing_advance,
ue->N_TA_offset);
#endif
if (prach_start<0)
prach_start+=(ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME);
if (prach_start>=(ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME))
prach_start-=(ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME);
#else //normal case (simulation)
prach_start = subframe*ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size;
LOG_D(PHY,"[UE %d] prach_start %d, rx_offset %d, hw_timing_advance %d, N_TA_offset %d\n", ue->Mod_id,
prach_start,
ue->rx_offset,
ue->hw_timing_advance,
ue->N_TA_offset);
#endif
// First compute physical root sequence
if (restricted_set == 0) {
if (Ncs_config > 15) {
LOG_E( PHY, "[PHY] FATAL, Illegal Ncs_config for unrestricted format %"PRIu8"\n", Ncs_config );
mac_xface->macphy_exit("PRACH: Illegal Ncs_config for unrestricted format");
return 0; // not reached
}
NCS = NCS_unrestricted[Ncs_config];
} else {
if (Ncs_config > 14) {
LOG_E( PHY, "[PHY] FATAL, Illegal Ncs_config for restricted format %"PRIu8"\n", Ncs_config );
mac_xface->macphy_exit("PRACH: Illegal Ncs_config for restricted format");
return 0; // not reached
}
NCS = NCS_restricted[Ncs_config];
}
n_ra_prb = get_prach_prb_offset(&(ue->frame_parms), tdd_mapindex, Nf);
printf("[prach.c] n_ra_prb %d\n",n_ra_prb);
prach_root_sequence_map = (prach_fmt<4) ? prach_root_sequence_map0_3 : prach_root_sequence_map4;
/*
// this code is not part of get_prach_prb_offset
if (frame_type == TDD) { // TDD
if (tdd_preamble_map[prach_ConfigIndex][tdd_config].num_prach==0) {
LOG_E( PHY, "[PHY][UE %"PRIu8"] Illegal prach_ConfigIndex %"PRIu8" for ", ue->Mod_id, prach_ConfigIndex );
}
// adjust n_ra_prboffset for frequency multiplexing (p.36 36.211)
f_ra = tdd_preamble_map[prach_ConfigIndex][tdd_config].map[tdd_mapindex].f_ra;
if (prach_fmt < 4) {
if ((f_ra&1) == 0) {
n_ra_prb = n_ra_prboffset + 6*(f_ra>>1);
} else {
n_ra_prb = ue->frame_parms.N_RB_UL - 6 - n_ra_prboffset + 6*(f_ra>>1);
}
} else {
if ((tdd_config >2) && (tdd_config<6))
Nsp = 2;
t1_ra = tdd_preamble_map[prach_ConfigIndex][tdd_config].map[0].t1_ra;
if ((((Nf&1)*(2-Nsp)+t1_ra)&1) == 0) {
n_ra_prb = 6*f_ra;
} else {
n_ra_prb = ue->frame_parms.N_RB_UL - 6*(f_ra+1);
}
}
}
*/
// This is the relative offset (for unrestricted case) in the root sequence table (5.7.2-4 from 36.211) for the given preamble index
preamble_offset = ((NCS==0)? preamble_index : (preamble_index/(N_ZC/NCS)));
if (restricted_set == 0) {
// This is the \nu corresponding to the preamble index
preamble_shift = (NCS==0)? 0 : (preamble_index % (N_ZC/NCS));
preamble_shift *= NCS;
} else { // This is the high-speed case
#ifdef PRACH_DEBUG
LOG_D(PHY,"[UE %d] High-speed mode, NCS_config %d\n",ue->Mod_id,Ncs_config);
#endif
not_found = 1;
preamble_index0 = preamble_index;
// set preamble_offset to initial rootSequenceIndex and look if we need more root sequences for this
// preamble index and find the corresponding cyclic shift
preamble_offset = 0; // relative rootSequenceIndex;
while (not_found == 1) {
// current root depending on rootSequenceIndex and preamble_offset
int index = (rootSequenceIndex + preamble_offset) % N_ZC;
if (prach_fmt<4) {
// prach_root_sequence_map points to prach_root_sequence_map0_3
DevAssert( index < sizeof(prach_root_sequence_map0_3) / sizeof(prach_root_sequence_map0_3[0]) );
} else {
// prach_root_sequence_map points to prach_root_sequence_map4
DevAssert( index < sizeof(prach_root_sequence_map4) / sizeof(prach_root_sequence_map4[0]) );
}
u = prach_root_sequence_map[index];
uint16_t n_group_ra = 0;
if ( (du[u]<(N_ZC/3)) && (du[u]>=NCS) ) {
n_shift_ra = du[u]/NCS;
d_start = (du[u]<<1) + (n_shift_ra * NCS);
n_group_ra = N_ZC/d_start;
n_shift_ra_bar = max(0,(N_ZC-(du[u]<<1)-(n_group_ra*d_start))/N_ZC);
} else if ( (du[u]>=(N_ZC/3)) && (du[u]<=((N_ZC - NCS)>>1)) ) {
n_shift_ra = (N_ZC - (du[u]<<1))/NCS;
d_start = N_ZC - (du[u]<<1) + (n_shift_ra * NCS);
n_group_ra = du[u]/d_start;
n_shift_ra_bar = min(n_shift_ra,max(0,(du[u]- (n_group_ra*d_start))/NCS));
} else {
n_shift_ra = 0;
n_shift_ra_bar = 0;
}
// This is the number of cyclic shifts for the current root u
numshift = (n_shift_ra*n_group_ra) + n_shift_ra_bar;
if (numshift>0 && preamble_index0==preamble_index)
first_nonzero_root_idx = preamble_offset;
if (preamble_index0 < numshift) {
not_found = 0;
preamble_shift = (d_start * (preamble_index0/n_shift_ra)) + ((preamble_index0%n_shift_ra)*NCS);
} else { // skip to next rootSequenceIndex and recompute parameters
preamble_offset++;
preamble_index0 -= numshift;
}
}
}
// now generate PRACH signal
#ifdef PRACH_DEBUG
if (NCS>0)
LOG_D(PHY,"Generate PRACH for RootSeqIndex %d, Preamble Index %d, NCS %d (NCS_config %d, N_ZC/NCS %d) n_ra_prb %d: Preamble_offset %d, Preamble_shift %d\n",
rootSequenceIndex,preamble_index,NCS,Ncs_config,N_ZC/NCS,n_ra_prb,
preamble_offset,preamble_shift);
#endif
// nsymb = (frame_parms->Ncp==0) ? 14:12;
// subframe_offset = (unsigned int)frame_parms->ofdm_symbol_size*subframe*nsymb;
k = (12*n_ra_prb) - 6*ue->frame_parms.N_RB_UL;
if (k<0)
k+=ue->frame_parms.ofdm_symbol_size;
k*=12;
k+=13;
Xu = (int16_t*)ue->X_u[preamble_offset-first_nonzero_root_idx];
/*
k+=(12*ue->frame_parms.first_carrier_offset);
if (k>(12*ue->frame_parms.ofdm_symbol_size))
k-=(12*ue->frame_parms.ofdm_symbol_size);
*/
k*=2;
switch (ue->frame_parms.N_RB_UL) {
case 6:
memset((void*)prachF,0,4*1536);
break;
case 15:
memset((void*)prachF,0,4*3072);
break;
case 25:
memset((void*)prachF,0,4*6144);
break;
case 50:
memset((void*)prachF,0,4*12288);
break;
case 75:
memset((void*)prachF,0,4*18432);
break;
case 100:
if (ue->frame_parms.threequarter_fs == 0)
memset((void*)prachF,0,4*24576);
else
memset((void*)prachF,0,4*18432);
break;
}
for (offset=0,offset2=0; offset<N_ZC; offset++,offset2+=preamble_shift) {
if (offset2 >= N_ZC)
offset2 -= N_ZC;
Xu_re = (((int32_t)Xu[offset<<1]*amp)>>15);
Xu_im = (((int32_t)Xu[1+(offset<<1)]*amp)>>15);
prachF[k++]= ((Xu_re*ru[offset2<<1]) - (Xu_im*ru[1+(offset2<<1)]))>>15;
prachF[k++]= ((Xu_im*ru[offset2<<1]) + (Xu_re*ru[1+(offset2<<1)]))>>15;
if (k==(12*2*ue->frame_parms.ofdm_symbol_size))
k=0;
}
switch (prach_fmt) {
case 0:
Ncp = 3168;
break;
case 1:
case 3:
Ncp = 21024;
break;
case 2:
Ncp = 6240;
break;
case 4:
Ncp = 448;
break;
default:
Ncp = 3168;
break;
}
switch (ue->frame_parms.N_RB_UL) {
case 6:
Ncp>>=4;
prach+=4; // makes prach2 aligned to 128-bit
break;
case 15:
Ncp>>=3;
break;
case 25:
Ncp>>=2;
break;
case 50:
Ncp>>=1;
break;
case 75:
Ncp=(Ncp*3)>>2;
break;
}
if (ue->frame_parms.threequarter_fs == 1)
Ncp=(Ncp*3)>>2;
prach2 = prach+(Ncp<<1);
// do IDFT
switch (ue->frame_parms.N_RB_UL) {
case 6:
if (prach_fmt == 4) {
idft256(prachF,prach2,1);
memmove( prach, prach+512, Ncp<<2 );
prach_len = 256+Ncp;
} else {
idft1536(prachF,prach2,1);
memmove( prach, prach+3072, Ncp<<2 );
prach_len = 1536+Ncp;
if (prach_fmt>1) {
memmove( prach2+3072, prach2, 6144 );
prach_len = 2*1536+Ncp;
}
}
break;
case 15:
if (prach_fmt == 4) {
idft512(prachF,prach2,1);
//TODO: account for repeated format in dft output
memmove( prach, prach+1024, Ncp<<2 );
prach_len = 512+Ncp;
} else {
idft3072(prachF,prach2);
memmove( prach, prach+6144, Ncp<<2 );
prach_len = 3072+Ncp;
if (prach_fmt>1) {
memmove( prach2+6144, prach2, 12288 );
prach_len = 2*3072+Ncp;
}
}
break;
case 25:
default:
if (prach_fmt == 4) {
idft1024(prachF,prach2,1);
memmove( prach, prach+2048, Ncp<<2 );
prach_len = 1024+Ncp;
} else {
idft6144(prachF,prach2);
/*for (i=0;i<6144*2;i++)
prach2[i]<<=1;*/
memmove( prach, prach+12288, Ncp<<2 );
prach_len = 6144+Ncp;
if (prach_fmt>1) {
memmove( prach2+12288, prach2, 24576 );
prach_len = 2*6144+Ncp;
}
}
break;
case 50:
if (prach_fmt == 4) {
idft2048(prachF,prach2,1);
memmove( prach, prach+4096, Ncp<<2 );
prach_len = 2048+Ncp;
} else {
idft12288(prachF,prach2);
memmove( prach, prach+24576, Ncp<<2 );
prach_len = 12288+Ncp;
if (prach_fmt>1) {
memmove( prach2+24576, prach2, 49152 );
prach_len = 2*12288+Ncp;
}
}
break;
case 75:
if (prach_fmt == 4) {
idft3072(prachF,prach2);
//TODO: account for repeated format in dft output
memmove( prach, prach+6144, Ncp<<2 );
prach_len = 3072+Ncp;
} else {
idft18432(prachF,prach2);
memmove( prach, prach+36864, Ncp<<2 );
prach_len = 18432+Ncp;
if (prach_fmt>1) {
memmove( prach2+36834, prach2, 73728 );
prach_len = 2*18432+Ncp;
}
}
break;
case 100:
if (ue->frame_parms.threequarter_fs == 0) {
if (prach_fmt == 4) {
idft4096(prachF,prach2,1);
memmove( prach, prach+8192, Ncp<<2 );
prach_len = 4096+Ncp;
} else {
idft24576(prachF,prach2);
memmove( prach, prach+49152, Ncp<<2 );
prach_len = 24576+Ncp;
if (prach_fmt>1) {
memmove( prach2+49152, prach2, 98304 );
prach_len = 2* 24576+Ncp;
}
}
}
else {
if (prach_fmt == 4) {
idft3072(prachF,prach2);
//TODO: account for repeated format in dft output
memmove( prach, prach+6144, Ncp<<2 );
prach_len = 3072+Ncp;
} else {
idft18432(prachF,prach2);
memmove( prach, prach+36864, Ncp<<2 );
prach_len = 18432+Ncp;
printf("Generated prach for 100 PRB, 3/4 sampling\n");
if (prach_fmt>1) {
memmove( prach2+36834, prach2, 73728 );
prach_len = 2*18432+Ncp;
}
}
}
break;
}
//LOG_D(PHY,"prach_len=%d\n",prach_len);
if (prach_fmt==4) {
LOG_E( PHY, "prach_fmt4 not fully implemented" );
mac_xface->macphy_exit("prach_fmt4 not fully implemented");
return 0; // not reached
} else {
#if defined(EXMIMO) || defined(OAI_USRP)
int j;
int overflow = prach_start + prach_len - LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size;
LOG_D( PHY, "prach_start=%d, overflow=%d\n", prach_start, overflow );
for (i=prach_start,j=0; i<min(ue->frame_parms.ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME,prach_start+prach_len); i++,j++) {
((int16_t*)ue->common_vars.txdata[0])[2*i] = prach[2*j]<<4;
((int16_t*)ue->common_vars.txdata[0])[2*i+1] = prach[2*j+1]<<4;
}
for (i=0; i<overflow; i++,j++) {
((int16_t*)ue->common_vars.txdata[0])[2*i] = prach[2*j]<<4;
((int16_t*)ue->common_vars.txdata[0])[2*i+1] = prach[2*j+1]<<4;
}
#if defined(EXMIMO)
// handle switch before 1st TX subframe, guarantee that the slot prior to transmission is switch on
for (k=prach_start - (ue->frame_parms.ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size>>1) ; k<prach_start ; k++) {
if (k<0)
ue->common_vars.txdata[0][k+ue->frame_parms.ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME] &= 0xFFFEFFFE;
else if (k>(ue->frame_parms.ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME))
ue->common_vars.txdata[0][k-ue->frame_parms.ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size*LTE_NUMBER_OF_SUBFRAMES_PER_FRAME] &= 0xFFFEFFFE;
else
ue->common_vars.txdata[0][k] &= 0xFFFEFFFE;
}
#endif
#else
for (i=0; i<prach_len; i++) {
((int16_t*)(&ue->common_vars.txdata[0][prach_start]))[2*i] = prach[2*i];
((int16_t*)(&ue->common_vars.txdata[0][prach_start]))[2*i+1] = prach[2*i+1];
}
#endif
}
#ifdef PRACH_DEBUG
write_output("prach_txF0.m","prachtxF0",prachF,prach_len-Ncp,1,1);
write_output("prach_tx0.m","prachtx0",prach+(Ncp<<1),prach_len-Ncp,1,1);
write_output("txsig.m","txs",(int16_t*)(&ue->common_vars.txdata[0][0]),2*ue->frame_parms.symbols_per_tti*ue->frame_parms.ofdm_symbol_size,1,1);
exit(-1);
#endif
return signal_energy( (int*)prach, 256 );
}
//__m128i mmtmpX0,mmtmpX1,mmtmpX2,mmtmpX3;
void rx_prach(PHY_VARS_eNB *eNB,
......
......@@ -2150,6 +2150,7 @@ int is_prach_subframe(LTE_DL_FRAME_PARMS *frame_parms,frame_t frame, uint8_t sub
*/
int32_t generate_prach(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,uint16_t Nf);
int32_t generate_prach_freq(PHY_VARS_UE *phy_vars_ue,uint8_t eNB_id,uint8_t subframe,uint16_t Nf);
/*!
\brief Process PRACH waveform
......
......@@ -1483,7 +1483,10 @@ void ue_prach_procedures(PHY_VARS_UE *ue,UE_rxtx_proc_t *proc,uint8_t eNB_id,uin
// start_meas(&ue->tx_prach);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GENERATE_PRACH, VCD_FUNCTION_IN);
prach_power = generate_prach(ue,eNB_id,subframe_tx,frame_tx);
if (ue->do_ofdm_mod)
prach_power = generate_prach_freq(ue,eNB_id,subframe_tx,frame_tx);
else
prach_power = generate_prach(ue,eNB_id,subframe_tx,frame_tx);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_UE_GENERATE_PRACH, VCD_FUNCTION_OUT);
// stop_meas(&ue->tx_prach);
LOG_D(PHY,"[UE %d][RAPROC] PRACH PL %d dB, power %d dBm, digital power %d dB (amp %d)\n",
......
......@@ -531,7 +531,7 @@ void do_DL_sig_freq(channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX][
txdataF = PHY_vars_eNB_g[eNB_id][CC_id]->common_vars.txdataF[0];
sf_offset = subframe*frame_parms->ofdm_symbol_size*frame_parms->symbols_per_tti;
//for (int idx=0;idx<10;idx++) printf("dumping raw subframe %d: txdataF[%d] = (%d,%d)\n", subframe, idx, ((short*)&txdataF[0][sf_offset+idx])[0], ((short*)&txdataF[0][sf_offset+idx])[1]);
for (int idx=0;idx<10;idx++) printf("dumping raw subframe %d: txdataF[%d] = (%d,%d)\n", subframe, idx, ((short*)&txdataF[0][sf_offset+idx])[0], ((short*)&txdataF[0][sf_offset+idx])[1]);
tx_pwr = dac_fixed_gain(s_re_f,
......@@ -1156,7 +1156,7 @@ void do_UL_prach(channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX][MAX
if (abstraction_flag!=0) {
#ifdef PHY_ABSTRACTION_UL
LOG_D(OCM,"[SIM][UL] UE %d, Abstraction for do_UL_prach is not implemented in frequency domain\n",UE_id);
exit(1);
exit(-1);
#else
#endif
} else { //without abstraction
......
......@@ -1046,6 +1046,7 @@ int eNB_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void *
int CC_id = device->CC_id;
int subframe;
int n_ra_prb;
int read_samples, max_samples;
openair0_timestamp last = last_eNB_rx_timestamp[eNB_id][CC_id];
......@@ -1114,7 +1115,7 @@ int eNB_trx_read(openair0_device *device, openair0_timestamp *ptimestamp, void *
0, // frame is only used for abstraction
eNB_id,
CC_id);
write_output("txprachF.m","prach_txF", PHY_vars_UE_g[0][0]->prach_vars[0]->prachF,frame_parms->ofdm_symbol_size*frame_parms->symbols_per_tti,1,1);
write_output("txprachF.m","prach_txF", PHY_vars_UE_g[0][0]->prach_vars[0]->prachF,12*frame_parms->ofdm_symbol_size*frame_parms->symbols_per_tti,1,1);
//generate_prach(PHY_vars_UE_g[0][0],eNB_id,subframe,frame);
//PHY_vars_UE_g[0][0]->generate_prach=1;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment