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Commit 16649e3a authored by yilmazt's avatar yilmazt
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More warning removals but nr_dlschsim still not working

parent 16230de4
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Showing with 616 additions and 617 deletions
openair1/PHY/CODING/coding_defs.h
View file @ 16649e3a
......@@ -387,6 +387,8 @@ unsigned int crc12 (unsigned char * inptr, int bitlen);
@param inPtr Pointer to input byte stream
@param bitlen length of inputs in bits*/
unsigned int crc8 (unsigned char * inptr, int bitlen);
int check_crc(uint8_t* decoded_bytes, uint32_t n, uint32_t F, uint8_t crc_type);
/*!\fn void phy_viterbi_dot11_sse2(int8_t *y, uint8_t *decoded_bytes, uint16_t n,int offset,int traceback)
\brief This routine performs a SIMD optmized Viterbi decoder for the 802.11 64-state convolutional code. It can be
......@@ -441,8 +443,6 @@ int32_t rate_matching_lte(uint32_t N_coded,
uint8_t *inPtr,
uint32_t off);
void crcTableInit (void);
unsigned int crcbit (unsigned char * inputptr, int octetlen, unsigned int poly);
int16_t reverseBits(int32_t ,int32_t);
......
openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c
View file @ 16649e3a
......@@ -201,7 +201,7 @@ void encode_parity_check_part_optim(uint8_t *c,uint8_t *d, short BG,short Zc,sho
int ldpc_encoder_optim(unsigned char *test_input,unsigned char *channel_input,short block_length,short BG,time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput)
{
short Zc,Kb,nrows,ncols;
short Zc,Kb=0,nrows=0,ncols=0;
int i,i1;
int no_punctured_columns,removed_bit;
......@@ -320,7 +320,7 @@ int ldpc_encoder_optim(unsigned char *test_input,unsigned char *channel_input,sh
int ldpc_encoder_optim_8seg(unsigned char **test_input,unsigned char **channel_input,short block_length,short BG,int n_segments,time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput)
{
short Zc,Kb,nrows,ncols;
short Zc,Kb=0,nrows=0,ncols=0;
int i,i1,j;
int no_punctured_columns,removed_bit;
//Table of possible lifting sizes
......@@ -520,7 +520,7 @@ int ldpc_encoder_optim_8seg(unsigned char **test_input,unsigned char **channel_i
int ldpc_encoder_optim_8seg_multi(unsigned char **test_input,unsigned char **channel_input,short block_length, short BG, int n_segments,unsigned int macro_num, time_stats_t *tinput,time_stats_t *tprep,time_stats_t *tparity,time_stats_t *toutput)
{
short Zc,Kb,nrows,ncols;
short Zc,Kb=0,nrows=0,ncols=0;
int i,i1,j;
int no_punctured_columns,removed_bit;
//Table of possible lifting sizes
......
openair1/PHY/CODING/nrLDPC_encoder/ldpc_generate_coefficient.c
View file @ 16649e3a
......@@ -444,6 +444,9 @@ int ldpc_encoder_orig(unsigned char *test_input,unsigned char *channel_input,sho
no_shift_values=(short *) no_shift_values_BG2;
pointer_shift_values=(short *) pointer_shift_values_BG2;
}
else {
AssertFatal(0,"BG %d is not supported yet\n",BG);
}
no_punctured_columns=(int)((nrows-2)*Zc+block_length-block_length*3)/Zc;
removed_bit=(nrows-no_punctured_columns-2) * Zc+block_length-(block_length*3);
......
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
View file @ 16649e3a
......@@ -1119,7 +1119,7 @@ uint32_t polar_decoder_int16(int16_t *input,
int len=polarParams->payloadBits;
int len_mod64=len&63;
//int len_mod64=len&63;
int crclen = polarParams->crcParityBits;
uint64_t rxcrc=B[0]&((1<<crclen)-1);
uint32_t crc;
......
openair1/PHY/CODING/nrPolar_tools/nr_polar_encoder.c
View file @ 16649e3a
......@@ -402,7 +402,7 @@ void polar_encoder_fast(uint64_t *A,
AssertFatal(bitlen<129,"support for payloads <= 128 bits\n");
AssertFatal(polarParams->crcParityBits == 24,"support for 24-bit crc only for now\n");
int bitlen0=bitlen;
//int bitlen0=bitlen;
uint64_t tcrc=0;
......
openair1/PHY/CODING/nr_rate_matching.c
View file @ 16649e3a
......@@ -78,7 +78,7 @@ uint32_t nr_rate_matching_ldpc(uint8_t Ilbrm,
{
uint8_t Cprime;
uint32_t Ncb,E,ind,k,Nref,N;
uint8_t *e2;
//uint8_t *e2;
AssertFatal(Nl>0,"Nl is 0\n");
AssertFatal(Qm>0,"Qm is 0\n");
......@@ -110,7 +110,7 @@ uint32_t nr_rate_matching_ldpc(uint8_t Ilbrm,
printf("nr_rate_matching: E %d, k0 %d Cprime %d modcprime %d\n",E,ind, Cprime,((G/(Nl*Qm))%Cprime));
#endif
e2 = e;
//e2 = e;
k=0;
......@@ -120,7 +120,8 @@ uint32_t nr_rate_matching_ldpc(uint8_t Ilbrm,
printf("RM_TX k%d Ind: %d (%d)\n",k,ind,w[ind]);
#endif
if (w[ind] != NR_NULL) e2[k++]=w[ind];
//if (w[ind] != NR_NULL) e2[k++]=w[ind];
if (w[ind] != NR_NULL) e[k++]=w[ind];
}
while(k<E) {
......@@ -130,7 +131,8 @@ uint32_t nr_rate_matching_ldpc(uint8_t Ilbrm,
printf("RM_TX k%d Ind: %d (%d)\n",k,ind,w[ind]);
#endif
if (w[ind] != NR_NULL) e2[k++]=w[ind];
//if (w[ind] != NR_NULL) e2[k++]=w[ind];
if (w[ind] != NR_NULL) e[k++]=w[ind];
}
}
......
openair1/PHY/INIT/nr_init.c
View file @ 16649e3a
......@@ -314,8 +314,8 @@ void phy_config_request(PHY_Config_t *phy_config) {
void phy_free_nr_gNB(PHY_VARS_gNB *gNB)
{
// NR_DL_FRAME_PARMS* const fp = &gNB->frame_parms;
nfapi_nr_config_request_t *cfg = &gNB->gNB_config;
//NR_DL_FRAME_PARMS* const fp = &gNB->frame_parms;
//nfapi_nr_config_request_t *cfg = &gNB->gNB_config;
NR_gNB_COMMON* const common_vars = &gNB->common_vars;
LTE_eNB_PUSCH** const pusch_vars = gNB->pusch_vars;
LTE_eNB_SRS* const srs_vars = gNB->srs_vars;
......
openair1/PHY/NR_TRANSPORT/nr_dci.c
View file @ 16649e3a
......@@ -170,7 +170,7 @@ uint8_t nr_generate_dci_top(NR_gNB_PDCCH pdcch_vars,
int16_t mod_dmrs[NR_MAX_CSET_DURATION][NR_MAX_PDCCH_DMRS_LENGTH>>1]; // 3 for the max coreset duration
uint8_t idx=0;
uint16_t a;
//uint16_t a;
int k,l,k_prime,dci_idx, dmrs_idx;
nr_cce_t cce;
nr_reg_t reg;
......
openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
View file @ 16649e3a
......@@ -379,7 +379,8 @@ int nr_dlsch_encoding(unsigned char *a,
}
printf("\n");*/
ldpc_encoder_optim_8seg(dlsch->harq_processes[harq_pid]->c,d_tmp,Kr,BG,dlsch->harq_processes[harq_pid]->C,NULL,NULL,NULL,NULL);
//ldpc_encoder_optim_8seg(dlsch->harq_processes[harq_pid]->c,d_tmp,Kr,BG,dlsch->harq_processes[harq_pid]->C,NULL,NULL,NULL,NULL);
ldpc_encoder_optim_8seg(dlsch->harq_processes[harq_pid]->c,dlsch->harq_processes[harq_pid]->d,Kr,BG,dlsch->harq_processes[harq_pid]->C,NULL,NULL,NULL,NULL);
//stop_meas(te_stats);
//printf("end ldpc encoder -- output\n");
......
openair1/PHY/NR_TRANSPORT/nr_pbch.c
View file @ 16649e3a
......@@ -53,7 +53,7 @@ int nr_generate_pbch_dmrs(uint32_t *gold_pbch_dmrs,
NR_DL_FRAME_PARMS *frame_parms)
{
int k,l;
int16_t a;
//int16_t a;
int16_t mod_dmrs[NR_PBCH_DMRS_LENGTH<<1];
uint8_t idx=0;
uint8_t nushift = config->sch_config.physical_cell_id.value &3;
......@@ -240,7 +240,7 @@ int nr_generate_pbch(NR_gNB_PBCH *pbch,
{
int k,l,m;
int16_t a;
//int16_t a;
int16_t mod_pbch_e[NR_POLAR_PBCH_E];
uint8_t idx=0;
uint16_t M;
......
openair1/PHY/NR_TRANSPORT/nr_sss.c
View file @ 16649e3a
......@@ -33,7 +33,7 @@ int nr_generate_sss( int16_t *d_sss,
int i,k,l;
int m0, m1;
int Nid, Nid1, Nid2;
int16_t a;
//int16_t a;
int16_t x0[NR_SSS_LENGTH], x1[NR_SSS_LENGTH];
const int x0_initial[7] = { 1, 0, 0, 0, 0, 0, 0 };
const int x1_initial[7] = { 1, 0, 0, 0, 0, 0, 0 };
......
openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
View file @ 16649e3a
......@@ -35,6 +35,7 @@
#include "PHY/CODING/coding_extern.h"
#include "PHY/CODING/coding_defs.h"
#include "PHY/NR_TRANSPORT/nr_transport_common_proto.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "PHY/NR_TRANSPORT/nr_dlsch.h"
#include "SCHED_NR_UE/defs.h"
#include "SIMULATION/TOOLS/sim.h"
......@@ -190,7 +191,7 @@ void nr_dlsch_unscrambling(int16_t* llr,
}
uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
short *dlsch_llr,
NR_DL_FRAME_PARMS *frame_parms,
NR_UE_DLSCH_t *dlsch,
......
openair1/PHY/NR_UE_TRANSPORT/nr_prach.c
View file @ 16649e3a
......@@ -40,6 +40,7 @@
//#include "PHY/defs_nr_common.h"
#include "PHY/defs_nr_UE.h"
#include "PHY/NR_UE_TRANSPORT/nr_prach.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
//#include "PHY/extern.h"
//#include "LAYER2/MAC/extern.h"
//#include "PHY/NR_UE_TRANSPORT/pucch_nr.h"
......@@ -582,7 +583,7 @@ int32_t generate_nr_prach( PHY_VARS_NR_UE *ue, uint8_t eNB_id, uint8_t subframe,
int16_t amp = ue->prach_vars[eNB_id]->amp;
int16_t Ncp;
uint8_t n_ra_prb;
uint16_t NCS;
uint16_t NCS=0;
uint16_t *prach_root_sequence_map;
uint16_t preamble_offset,preamble_shift;
uint16_t preamble_index0,n_shift_ra,n_shift_ra_bar;
......@@ -599,7 +600,7 @@ int32_t generate_nr_prach( PHY_VARS_NR_UE *ue, uint8_t eNB_id, uint8_t subframe,
int32_t Xu_re,Xu_im;
uint16_t offset,offset2;
int prach_start;
int i, prach_len;
int i, prach_len=0;
uint16_t first_nonzero_root_idx=0;
#if defined(EXMIMO) || defined(OAI_USRP)
......
openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c
View file @ 16649e3a
......@@ -36,6 +36,7 @@
//#include "PHY/extern.h"
//#include "LAYER2/MAC/extern.h"
#include "PHY/NR_UE_TRANSPORT/pucch_nr.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "common/utils/LOG/log.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
......@@ -129,7 +130,7 @@ double nr_cyclic_shift_hopping(PHY_VARS_NR_UE *ue,
*/
// alpha_init initialized to 2*PI/12=0.5235987756
double alpha = 0.5235987756;
uint16_t c_init = ue->pucch_config_common_nr->hoppingId; // we initialize c_init again to calculate n_cs
uint32_t c_init = ue->pucch_config_common_nr->hoppingId; // we initialize c_init again to calculate n_cs
#ifdef DEBUG_NR_PUCCH_TX
// initialization to be removed
......@@ -236,8 +237,8 @@ void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
/*
* Implementing TS 38.211 Subclause 6.3.2.3.2 Mapping to physical resources FIXME!
*/
int32_t *txptr;
uint32_t re_offset;
//int32_t *txptr;
uint32_t re_offset=0;
for (int l=0; l<nrofSymbols; l++) {
if ((startingPRB < (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 0)) { // if number RBs in bandwidth is even and current PRB is lower band
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
......@@ -254,7 +255,7 @@ void nr_generate_pucch0(PHY_VARS_NR_UE *ue,
if ((startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB contains DC
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*startingPRB) + frame_parms->first_carrier_offset;
}
txptr = &txdataF[0][re_offset];
//txptr = &txdataF[0][re_offset];
for (int n=0; n<12; n++){
if ((n==6) && (startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
......@@ -299,7 +300,7 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
*
*/
// complex-valued symbol d_re, d_im containing complex-valued symbol d(0):
int16_t d_re, d_im;
int16_t d_re=0, d_im=0;
if (nr_bit == 1) { // using BPSK if M_bit=1 according to TC 38.211 Subclause 5.1.2
d_re = (payload&1)==0 ? (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15) : -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
d_im = (payload&1)==0 ? (int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15) : -(int16_t)(((int32_t)amp*ONE_OVER_SQRT2)>>15);
......@@ -371,8 +372,8 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
/*
* Implementing TS 38.211 Subclause 6.3.2.4.2 Mapping to physical resources
*/
int32_t *txptr;
uint32_t re_offset;
//int32_t *txptr;
uint32_t re_offset=0;
int i=0;
#define MAX_SIZE_Z 168 // this value has to be calculated from mprime*12*table_6_3_2_4_1_1_N_SF_mprime_PUCCH_1_noHop[pucch_symbol_length]+m*12+n
int16_t z_re[MAX_SIZE_Z],z_im[MAX_SIZE_Z];
......@@ -552,7 +553,7 @@ void nr_generate_pucch1(PHY_VARS_NR_UE *ue,
}
txptr = &txdataF[0][re_offset];
//txptr = &txdataF[0][re_offset];
for (int n=0; n<12; n++){
if ((n==6) && (startingPRB == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
......@@ -904,7 +905,7 @@ void nr_uci_encoding(uint64_t payload,
// L is the CRC size
uint8_t L;
// E is the rate matching output sequence length as given in TS 38.212 subclause 6.3.1.4.1
uint16_t E,E_init;
uint16_t E=0,E_init;
if (fmt == pucch_format2_nr) E = 16*nrofSymbols*nrofPRB;
if (fmt == pucch_format3_nr){
E_init = (is_pi_over_2_bpsk_enabled == 0) ? 24:12;
......@@ -1061,8 +1062,8 @@ void nr_generate_pucch2(PHY_VARS_NR_UE *ue,
/*
* Implementing TS 38.211 Subclause 6.3.2.5.3 Mapping to physical resources
*/
int32_t *txptr;
uint32_t re_offset;
//int32_t *txptr;
uint32_t re_offset=0;
uint32_t x1, x2, s=0;
int i=0;
int m=0;
......@@ -1086,7 +1087,7 @@ void nr_generate_pucch2(PHY_VARS_NR_UE *ue,
if (((rb+startingPRB) == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) { // if number RBs in bandwidth is odd and current PRB contains DC
re_offset = ((l+startingSymbolIndex)*frame_parms->ofdm_symbol_size) + (12*(rb+startingPRB)) + frame_parms->first_carrier_offset;
}
txptr = &txdataF[0][re_offset];
//txptr = &txdataF[0][re_offset];
int k=0;
int kk=0;
for (int n=0; n<12; n++){
......@@ -1408,8 +1409,8 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
//int16_t *r_u_v_alpha_delta_im = malloc(sizeof(int16_t)*12*nrofPRB);
// Next we proceed to mapping to physical resources according to TS 38.211, subclause 6.3.2.6.5 dor PUCCH formats 3 and 4 and subclause 6.4.1.3.3.2 for DM-RS
int32_t *txptr;
uint32_t re_offset;
//int32_t *txptr;
uint32_t re_offset=0;
//uint32_t x1, x2, s=0;
// intraSlotFrequencyHopping
// uint8_t intraSlotFrequencyHopping = 0;
......@@ -1513,7 +1514,7 @@ void nr_generate_pucch3_4(PHY_VARS_NR_UE *ue,
#ifdef DEBUG_NR_PUCCH_TX
printf("re_offset=%d,(rb+startingPRB)=%d\n",re_offset,(rb+startingPRB));
#endif
txptr = &txdataF[0][re_offset];
//txptr = &txdataF[0][re_offset];
for (int n=0; n<12; n++){
if ((n==6) && ((rb+startingPRB) == (frame_parms->N_RB_DL>>1)) && ((frame_parms->N_RB_DL & 1) == 1)) {
// if number RBs in bandwidth is odd and current PRB contains DC, we need to recalculate the offset when n=6 (for second half PRB)
......
openair1/SIMULATION/NR_PHY/dlschsim.c
View file @ 16649e3a
......@@ -36,14 +36,14 @@
#include "PHY/defs_nr_common.h"
#include "PHY/defs_nr_UE.h"
#include "PHY/defs_gNB.h"
#include "PHY/INIT/phy_init.h"
#include "PHY/NR_REFSIG/refsig_defs_ue.h"
#include "PHY/NR_REFSIG/nr_mod_table.h"
#include "PHY/MODULATION/modulation_eNB.h"
#include "PHY/MODULATION/modulation_UE.h"
#include "PHY/INIT/phy_init.h"
#include "PHY/NR_TRANSPORT/nr_transport.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "PHY/NR_TRANSPORT/nr_dlsch.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "SCHED_NR/sched_nr.h"
......@@ -52,627 +52,617 @@
//#include "UTIL/LISTS/list.h"
//#include "common/ran_context.h"
//#define DEBUG_DLSCHSIM
PHY_VARS_gNB *gNB;
PHY_VARS_NR_UE *UE;
RAN_CONTEXT_t RC;
double cpuf;
// dummy functions
int nfapi_mode=0;
int nfapi_mode = 0;
int oai_nfapi_hi_dci0_req(nfapi_hi_dci0_request_t *hi_dci0_req) {
return(0);
return (0);
}
int oai_nfapi_tx_req(nfapi_tx_request_t *tx_req) {
return(0);
return (0);
}
int oai_nfapi_dl_config_req(nfapi_dl_config_request_t *dl_config_req) {
return(0);
return (0);
}
int oai_nfapi_ul_config_req(nfapi_ul_config_request_t *ul_config_req) {
return(0);
return (0);
}
int oai_nfapi_nr_dl_config_req(nfapi_nr_dl_config_request_t *dl_config_req) {
return(0);
return (0);
}
uint32_t from_nrarfcn(int nr_bandP,uint32_t dl_earfcn) {
return(0);
uint32_t from_nrarfcn(int nr_bandP, uint32_t dl_earfcn) {
return (0);
}
int32_t get_uldl_offset(int eutra_bandP) {
return(0);
return (0);
}
NR_IF_Module_t *NR_IF_Module_init(int Mod_id) {
return(NULL);
NR_IF_Module_t *
NR_IF_Module_init(int Mod_id) {
return (NULL);
}
void exit_function(const char *file, const char *function, const int line,const char *s) {
const char *msg= s==NULL ? "no comment": s;
printf("Exiting at: %s:%d %s(), %s\n", file, line, function, msg);
exit(-1);
void exit_function(const char *file, const char *function, const int line,
const char *s) {
const char *msg = s == NULL ? "no comment" : s;
printf("Exiting at: %s:%d %s(), %s\n", file, line, function, msg);
exit(-1);
}
// needed for some functions
PHY_VARS_NR_UE *PHY_vars_UE_g[1][1]= {{NULL}};
uint16_t n_rnti=0x1234;
PHY_VARS_NR_UE *PHY_vars_UE_g[1][1] = { { NULL } };
uint16_t n_rnti = 0x1234;
char quantize(double D,double x,unsigned char B) {
double qxd;
short maxlev;
qxd = floor(x/D);
maxlev = 1<<(B-1);//(char)(pow(2,B-1));
char quantize(double D, double x, unsigned char B) {
double qxd;
short maxlev;
qxd = floor(x / D);
maxlev = 1 << (B - 1); //(char)(pow(2,B-1));
//printf("x=%f,qxd=%f,maxlev=%d\n",x,qxd, maxlev);
//printf("x=%f,qxd=%f,maxlev=%d\n",x,qxd, maxlev);
if (qxd <= -maxlev)
qxd = -maxlev;
else if (qxd >= maxlev)
qxd = maxlev-1;
if (qxd <= -maxlev)
qxd = -maxlev;
else if (qxd >= maxlev)
qxd = maxlev - 1;
return((char)qxd);
return ((char) qxd);
}
int main(int argc, char **argv) {
char c;
int i; //,j,l,aa;
double SNR,SNR_lin,snr0=-2.0,snr1=2.0;
double snr_step = 0.1;
uint8_t snr1set=0;
int **txdata;
double **s_re,**s_im,**r_re,**r_im;
// int sync_pos, sync_pos_slot;
// FILE *rx_frame_file;
FILE *output_fd = NULL;
uint8_t write_output_file=0;
// int subframe_offset;
// char fname[40], vname[40];
int trial,n_trials=1,n_errors=0,n_false_positive=0;
uint8_t transmission_mode = 1,n_tx=1,n_rx=1;
uint16_t Nid_cell=0;
channel_desc_t *gNB2UE;
uint8_t extended_prefix_flag=0;
int8_t interf1=-21,interf2=-21;
FILE *input_fd=NULL,*pbch_file_fd=NULL;
//char input_val_str[50],input_val_str2[50];
//uint16_t NB_RB=25;
SCM_t channel_model=AWGN;//Rayleigh1_anticorr;
uint8_t N_RB_DL=106,mu=1;
unsigned char frame_type = 0;
unsigned char pbch_phase = 0;
int frame=0,subframe=0;
int frame_length_complex_samples;
//int frame_length_complex_samples_no_prefix;
NR_DL_FRAME_PARMS *frame_parms;
//nfapi_nr_config_request_t *gNB_config;
uint8_t Kmimo=0;
uint32_t Nsoft=0;
double sigma;
unsigned char qbits=8;
int ret;
//int run_initial_sync=0;
int loglvl=OAILOG_WARNING;
float target_error_rate = 0.01;
uint16_t nb_symb_sch =12;
uint16_t nb_rb = 50;
uint8_t Imcs=9;
cpuf = get_cpu_freq_GHz();
if ( load_configmodule(argc,argv) == 0) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
//logInit();
randominit(0);
while ((c = getopt (argc, argv, "df:hpg:i:j:n:l:m:r:s:S:y:z:N:F:R:P:")) != -1) {
switch (c) {
case 'f':
write_output_file=1;
output_fd = fopen(optarg,"w");
if (output_fd==NULL) {
printf("Error opening %s\n",optarg);
exit(-1);
}
break;
case 'd':
frame_type = 1;
break;
case 'g':
switch((char)*optarg) {
case 'A':
channel_model=SCM_A;
break;
case 'B':
channel_model=SCM_B;
break;
case 'C':
channel_model=SCM_C;
break;
case 'D':
channel_model=SCM_D;
break;
case 'E':
channel_model=EPA;
break;
case 'F':
channel_model=EVA;
break;
case 'G':
channel_model=ETU;
break;
default:
msg("Unsupported channel model!\n");
exit(-1);
}
break;
case 'i':
interf1=atoi(optarg);
break;
case 'j':
interf2=atoi(optarg);
break;
case 'n':
n_trials = atoi(optarg);
break;
case 's':
snr0 = atof(optarg);
msg("Setting SNR0 to %f\n",snr0);
break;
case 'S':
snr1 = atof(optarg);
snr1set=1;
msg("Setting SNR1 to %f\n",snr1);
break;
case 'p':
extended_prefix_flag=1;
break;
/*
case 'r':
ricean_factor = pow(10,-.1*atof(optarg));
if (ricean_factor>1) {
printf("Ricean factor must be between 0 and 1\n");
exit(-1);
}
break;
*/
case 'y':
n_tx=atoi(optarg);
if ((n_tx==0) || (n_tx>2)) {
msg("Unsupported number of tx antennas %d\n",n_tx);
exit(-1);
}
break;
case 'z':
n_rx=atoi(optarg);
if ((n_rx==0) || (n_rx>2)) {
msg("Unsupported number of rx antennas %d\n",n_rx);
exit(-1);
}
break;
case 'N':
Nid_cell = atoi(optarg);
break;
case 'R':
N_RB_DL = atoi(optarg);
break;
case 'F':
input_fd = fopen(optarg,"r");
if (input_fd==NULL) {
printf("Problem with filename %s\n",optarg);
exit(-1);
}
break;
case 'P':
pbch_phase = atoi(optarg);
if (pbch_phase>3)
printf("Illegal PBCH phase (0-3) got %d\n",pbch_phase);
break;
case 'm':
Imcs = atoi(optarg);
break;
case 'l':
nb_symb_sch = atoi(optarg);
break;
case 'r':
nb_rb = atoi(optarg);
break;
case 'x':
transmission_mode = atoi(optarg);
break;
default:
case 'h':
printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n",
argv[0]);
printf("-h This message\n");
printf("-p Use extended prefix mode\n");
printf("-d Use TDD\n");
printf("-n Number of frames to simulate\n");
printf("-s Starting SNR, runs from SNR0 to SNR0 + 5 dB. If n_frames is 1 then just SNR is simulated\n");
printf("-S Ending SNR, runs from SNR0 to SNR1\n");
printf("-t Delay spread for multipath channel\n");
printf("-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or 36-101 (E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)\n");
printf("-x Transmission mode (1,2,6 for the moment)\n");
printf("-y Number of TX antennas used in eNB\n");
printf("-z Number of RX antennas used in UE\n");
printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n");
printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n");
printf("-N Nid_cell\n");
printf("-R N_RB_DL\n");
printf("-O oversampling factor (1,2,4,8,16)\n");
printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
// printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
printf("-f Output filename (.txt format) for Pe/SNR results\n");
printf("-F Input filename (.txt format) for RX conformance testing\n");
exit (-1);
break;
}
}
logInit();
set_glog(loglvl);
T_stdout = 1;
if (snr1set==0)
snr1 = snr0+10;
gNB2UE = new_channel_desc_scm(n_tx,
n_rx,
channel_model,
61.44e6, //N_RB2sampling_rate(N_RB_DL),
40e6, //N_RB2channel_bandwidth(N_RB_DL),
0,
0,
0);
if (gNB2UE==NULL) {
msg("Problem generating channel model. Exiting.\n");
exit(-1);
}
RC.gNB = (PHY_VARS_gNB ** *) malloc(sizeof(PHY_VARS_gNB **));
RC.gNB[0] = (PHY_VARS_gNB **) malloc(sizeof(PHY_VARS_gNB *));
RC.gNB[0][0] = malloc(sizeof(PHY_VARS_gNB));
gNB = RC.gNB[0][0];
//gNB_config = &gNB->gNB_config;
frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH)
frame_parms->nb_antennas_tx = n_tx;
frame_parms->nb_antennas_rx = n_rx;
frame_parms->N_RB_DL = N_RB_DL;
crcTableInit();
nr_phy_config_request_sim(gNB,N_RB_DL,N_RB_DL,mu);
phy_init_nr_gNB(gNB,0,0);
//init_eNB_afterRU();
frame_length_complex_samples = frame_parms->samples_per_subframe;
//frame_length_complex_samples_no_prefix = frame_parms->samples_per_subframe_wCP;
s_re = malloc(2*sizeof(double *));
s_im = malloc(2*sizeof(double *));
r_re = malloc(2*sizeof(double *));
r_im = malloc(2*sizeof(double *));
txdata = malloc(2*sizeof(int *));
for (i=0; i<2; i++) {
s_re[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(s_re[i],frame_length_complex_samples*sizeof(double));
s_im[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(s_im[i],frame_length_complex_samples*sizeof(double));
r_re[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(r_re[i],frame_length_complex_samples*sizeof(double));
r_im[i] = malloc(frame_length_complex_samples*sizeof(double));
bzero(r_im[i],frame_length_complex_samples*sizeof(double));
txdata[i] = malloc(frame_length_complex_samples*sizeof(int));
bzero(r_re[i],frame_length_complex_samples*sizeof(int));
}
if (pbch_file_fd!=NULL) {
load_pbch_desc(pbch_file_fd);
}
/* for (int k=0; k<2; k++) {
// Create transport channel structures for 2 transport blocks (MIMO)
for (i=0; i<2; i++) {
gNB->dlsch[k][i] = new_gNB_dlsch(Kmimo,8,Nsoft,0,frame_parms,gNB_config);
if (!gNB->dlsch[k][i]) {
printf("Can't get eNB dlsch structures\n");
exit(-1);
}
gNB->dlsch[k][i]->Nsoft = 10;
gNB->dlsch[k][i]->rnti = n_rnti+k;
}
}*/
//configure UE
UE = malloc(sizeof(PHY_VARS_NR_UE));
memcpy(&UE->frame_parms,frame_parms,sizeof(NR_DL_FRAME_PARMS));
//phy_init_nr_top(frame_parms);
if (init_nr_ue_signal(UE, 1, 0) != 0) {
printf("Error at UE NR initialisation\n");
exit(-1);
}
//nr_init_frame_parms_ue(&UE->frame_parms);
//init_nr_ue_transport(UE, 0);
for (int sf = 0; sf < 2; sf++) {
for (i=0; i<2; i++) {
UE->dlsch[sf][0][i] = new_nr_ue_dlsch(Kmimo,8,Nsoft,5,N_RB_DL,0);
if (!UE->dlsch[sf][0][i]) {
printf("Can't get ue dlsch structures\n");
exit(-1);
}
UE->dlsch[sf][0][i]->rnti = n_rnti;
}
}
UE->dlsch_SI[0] = new_nr_ue_dlsch(1,1,Nsoft,5,N_RB_DL,0);
UE->dlsch_ra[0] = new_nr_ue_dlsch(1,1,Nsoft,5,N_RB_DL,0);
unsigned char harq_pid = 0; //dlsch->harq_ids[subframe];
NR_gNB_DLSCH_t *dlsch = gNB->dlsch[0][0];
nfapi_nr_dl_config_dlsch_pdu_rel15_t *rel15 = &dlsch->harq_processes[harq_pid]->dlsch_pdu.dlsch_pdu_rel15;
//time_stats_t *rm_stats, *te_stats, *i_stats;
uint8_t is_crnti=0, llr8_flag=0;
unsigned int TBS = 8424;
unsigned int available_bits;
uint8_t nb_re_dmrs = 6;
uint16_t length_dmrs = 1;
unsigned char mod_order;
uint8_t Nl=1;
uint8_t rvidx = 0;
dlsch->rnti =1;
/*dlsch->harq_processes[0]->mcs = Imcs;
dlsch->harq_processes[0]->rvidx = rvidx;*/
//printf("dlschsim harqid %d nb_rb %d, mscs %d\n",dlsch->harq_ids[subframe],
// dlsch->harq_processes[0]->nb_rb,dlsch->harq_processes[0]->mcs,dlsch->harq_processes[0]->Nl);
mod_order = nr_get_Qm(Imcs,1);
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs,mod_order,1);
TBS= nr_compute_tbs(Imcs,nb_rb,nb_symb_sch,nb_re_dmrs,length_dmrs,Nl);
printf("available bits %d TBS %d mod_order %d\n",available_bits, TBS, mod_order);
//dlsch->harq_ids[subframe]= 0;
rel15->n_prb = nb_rb;
rel15->nb_symbols = nb_symb_sch;
rel15->modulation_order = mod_order;
rel15->nb_layers = Nl;
rel15->nb_re_dmrs = nb_re_dmrs;
rel15->transport_block_size = TBS;
double *modulated_input = malloc16(sizeof(double) * 16*68*384);
short *channel_output_fixed = malloc16(sizeof( short) *16* 68*384);
short *channel_output_uncoded = malloc16(sizeof(unsigned short) *16* 68*384);
double errors_bit_uncoded=0;
unsigned char *estimated_output;
unsigned char *estimated_output_bit;
unsigned char *test_input_bit;
unsigned int errors_bit =0;
test_input_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16*68*384);
estimated_output = (unsigned char *) malloc16(sizeof(unsigned char) * 16*68*384);
estimated_output_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16*68*384);
NR_UE_DLSCH_t *dlsch0_ue = UE->dlsch[UE->current_thread_id[subframe]][0][0];
NR_DL_UE_HARQ_t *harq_process = dlsch0_ue->harq_processes[harq_pid];
harq_process->mcs = Imcs;
harq_process->Nl = Nl;
harq_process->nb_rb = nb_rb;
harq_process->Qm = mod_order;
harq_process->rvidx = rvidx;
printf("harq process ue mcs = %d Qm = %d, symb %d\n", harq_process->mcs, harq_process->Qm,nb_symb_sch);
unsigned char *test_input;
test_input=(unsigned char *)malloc16(sizeof(unsigned char) * TBS/8);
for (i=0; i<TBS/8; i++)
test_input[i]=(unsigned char) rand();
estimated_output = harq_process->b;
/*for (int i=0; i<TBS/8; i++)
printf("test input[%d]=%d \n",i,test_input[i]);*/
//printf("crc32: [0]->0x%08x\n",crc24c(test_input, 32));
// generate signal
if (input_fd==NULL) {
nr_dlsch_encoding(test_input,
subframe,
dlsch,
frame_parms);
}
for (SNR=snr0; SNR<snr1; SNR+=snr_step) {
n_errors = 0;
n_false_positive = 0;
for (trial=0; trial < n_trials; trial++) {
errors_bit_uncoded = 0;
for (i = 0; i < available_bits; i++) {
#ifdef DEBUG_CODER
char c;
int i; //,j,l,aa;
double SNR, SNR_lin, snr0 = -2.0, snr1 = 2.0;
double snr_step = 0.1;
uint8_t snr1set = 0;
int **txdata;
double **s_re, **s_im, **r_re, **r_im;
// int sync_pos, sync_pos_slot;
// FILE *rx_frame_file;
FILE *output_fd = NULL;
uint8_t write_output_file = 0;
// int subframe_offset;
// char fname[40], vname[40];
int trial, n_trials = 1, n_errors = 0, n_false_positive = 0;
uint8_t transmission_mode = 1, n_tx = 1, n_rx = 1;
uint16_t Nid_cell = 0;
channel_desc_t *gNB2UE;
uint8_t extended_prefix_flag = 0;
int8_t interf1 = -21, interf2 = -21;
FILE *input_fd = NULL, *pbch_file_fd = NULL;
//char input_val_str[50],input_val_str2[50];
//uint16_t NB_RB=25;
SCM_t channel_model = AWGN; //Rayleigh1_anticorr;
uint8_t N_RB_DL = 106, mu = 1;
unsigned char frame_type = 0;
unsigned char pbch_phase = 0;
int frame = 0, subframe = 0;
int frame_length_complex_samples;
//int frame_length_complex_samples_no_prefix;
NR_DL_FRAME_PARMS *frame_parms;
//nfapi_nr_config_request_t *gNB_config;
uint8_t Kmimo = 0;
uint32_t Nsoft = 0;
double sigma;
unsigned char qbits = 8;
int ret;
//int run_initial_sync=0;
int loglvl = OAILOG_WARNING;
float target_error_rate = 0.01;
uint16_t nb_symb_sch = 12;
uint16_t nb_rb = 50;
uint8_t Imcs = 9;
cpuf = get_cpu_freq_GHz();
if (load_configmodule(argc, argv) == 0) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
//logInit();
randominit(0);
while ((c = getopt(argc, argv, "df:hpg:i:j:n:l:m:r:s:S:y:z:N:F:R:P:")) != -1) {
switch (c) {
case 'f':
write_output_file = 1;
output_fd = fopen(optarg, "w");
if (output_fd == NULL) {
printf("Error opening %s\n", optarg);
exit(-1);
}
break;
case 'd':
frame_type = 1;
break;
case 'g':
switch ((char) *optarg) {
case 'A':
channel_model = SCM_A;
break;
case 'B':
channel_model = SCM_B;
break;
case 'C':
channel_model = SCM_C;
break;
case 'D':
channel_model = SCM_D;
break;
case 'E':
channel_model = EPA;
break;
case 'F':
channel_model = EVA;
break;
case 'G':
channel_model = ETU;
break;
default:
msg("Unsupported channel model!\n");
exit(-1);
}
break;
case 'i':
interf1 = atoi(optarg);
break;
case 'j':
interf2 = atoi(optarg);
break;
case 'n':
n_trials = atoi(optarg);
break;
case 's':
snr0 = atof(optarg);
msg("Setting SNR0 to %f\n", snr0);
break;
case 'S':
snr1 = atof(optarg);
snr1set = 1;
msg("Setting SNR1 to %f\n", snr1);
break;
case 'p':
extended_prefix_flag = 1;
break;
/*
case 'r':
ricean_factor = pow(10,-.1*atof(optarg));
if (ricean_factor>1) {
printf("Ricean factor must be between 0 and 1\n");
exit(-1);
}
break;
*/
case 'y':
n_tx = atoi(optarg);
if ((n_tx == 0) || (n_tx > 2)) {
msg("Unsupported number of tx antennas %d\n", n_tx);
exit(-1);
}
break;
case 'z':
n_rx = atoi(optarg);
if ((n_rx == 0) || (n_rx > 2)) {
msg("Unsupported number of rx antennas %d\n", n_rx);
exit(-1);
}
break;
case 'N':
Nid_cell = atoi(optarg);
break;
case 'R':
N_RB_DL = atoi(optarg);
break;
case 'F':
input_fd = fopen(optarg, "r");
if (input_fd == NULL) {
printf("Problem with filename %s\n", optarg);
exit(-1);
}
break;
case 'P':
pbch_phase = atoi(optarg);
if (pbch_phase > 3)
printf("Illegal PBCH phase (0-3) got %d\n", pbch_phase);
break;
case 'm':
Imcs = atoi(optarg);
break;
case 'l':
nb_symb_sch = atoi(optarg);
break;
case 'r':
nb_rb = atoi(optarg);
break;
case 'x':
transmission_mode = atoi(optarg);
break;
default:
case 'h':
printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n", argv[0]);
printf("-h This message\n");
printf("-p Use extended prefix mode\n");
printf("-d Use TDD\n");
printf("-n Number of frames to simulate\n");
printf("-s Starting SNR, runs from SNR0 to SNR0 + 5 dB. If n_frames is 1 then just SNR is simulated\n");
printf("-S Ending SNR, runs from SNR0 to SNR1\n");
printf("-t Delay spread for multipath channel\n");
printf("-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or 36-101 (E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)\n");
printf("-x Transmission mode (1,2,6 for the moment)\n");
printf("-y Number of TX antennas used in eNB\n");
printf("-z Number of RX antennas used in UE\n");
printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n");
printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n");
printf("-N Nid_cell\n");
printf("-R N_RB_DL\n");
printf("-O oversampling factor (1,2,4,8,16)\n");
printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
// printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
printf("-f Output filename (.txt format) for Pe/SNR results\n");
printf("-F Input filename (.txt format) for RX conformance testing\n");
exit(-1);
break;
}
}
logInit();
set_glog(loglvl);
T_stdout = 1;
if (snr1set == 0)
snr1 = snr0 + 10;
gNB2UE = new_channel_desc_scm(n_tx, n_rx, channel_model, 61.44e6, //N_RB2sampling_rate(N_RB_DL),
40e6, //N_RB2channel_bandwidth(N_RB_DL),
0, 0, 0);
if (gNB2UE == NULL) {
msg("Problem generating channel model. Exiting.\n");
exit(-1);
}
RC.gNB = (PHY_VARS_gNB ** *) malloc(sizeof(PHY_VARS_gNB **));
RC.gNB[0] = (PHY_VARS_gNB **) malloc(sizeof(PHY_VARS_gNB *));
RC.gNB[0][0] = malloc(sizeof(PHY_VARS_gNB));
gNB = RC.gNB[0][0];
//gNB_config = &gNB->gNB_config;
frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH)
frame_parms->nb_antennas_tx = n_tx;
frame_parms->nb_antennas_rx = n_rx;
frame_parms->N_RB_DL = N_RB_DL;
crcTableInit();
nr_phy_config_request_sim(gNB, N_RB_DL, N_RB_DL, mu);
phy_init_nr_gNB(gNB, 0, 0);
//init_eNB_afterRU();
frame_length_complex_samples = frame_parms->samples_per_subframe;
//frame_length_complex_samples_no_prefix = frame_parms->samples_per_subframe_wCP;
s_re = malloc(2 * sizeof(double *));
s_im = malloc(2 * sizeof(double *));
r_re = malloc(2 * sizeof(double *));
r_im = malloc(2 * sizeof(double *));
txdata = malloc(2 * sizeof(int *));
for (i = 0; i < 2; i++) {
s_re[i] = malloc(frame_length_complex_samples * sizeof(double));
bzero(s_re[i], frame_length_complex_samples * sizeof(double));
s_im[i] = malloc(frame_length_complex_samples * sizeof(double));
bzero(s_im[i], frame_length_complex_samples * sizeof(double));
r_re[i] = malloc(frame_length_complex_samples * sizeof(double));
bzero(r_re[i], frame_length_complex_samples * sizeof(double));
r_im[i] = malloc(frame_length_complex_samples * sizeof(double));
bzero(r_im[i], frame_length_complex_samples * sizeof(double));
txdata[i] = malloc(frame_length_complex_samples * sizeof(int));
bzero(r_re[i], frame_length_complex_samples * sizeof(int));
}
if (pbch_file_fd != NULL) {
load_pbch_desc(pbch_file_fd);
}
/* for (int k=0; k<2; k++) {
// Create transport channel structures for 2 transport blocks (MIMO)
for (i=0; i<2; i++) {
gNB->dlsch[k][i] = new_gNB_dlsch(Kmimo,8,Nsoft,0,frame_parms,gNB_config);
if (!gNB->dlsch[k][i]) {
printf("Can't get eNB dlsch structures\n");
exit(-1);
}
gNB->dlsch[k][i]->Nsoft = 10;
gNB->dlsch[k][i]->rnti = n_rnti+k;
}
}*/
//configure UE
UE = malloc(sizeof(PHY_VARS_NR_UE));
memcpy(&UE->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS));
//phy_init_nr_top(frame_parms);
if (init_nr_ue_signal(UE, 1, 0) != 0) {
printf("Error at UE NR initialisation\n");
exit(-1);
}
//nr_init_frame_parms_ue(&UE->frame_parms);
//init_nr_ue_transport(UE, 0);
for (int sf = 0; sf < 2; sf++) {
for (i = 0; i < 2; i++) {
UE->dlsch[sf][0][i] = new_nr_ue_dlsch(Kmimo, 8, Nsoft, 5, N_RB_DL,
0);
if (!UE->dlsch[sf][0][i]) {
printf("Can't get ue dlsch structures\n");
exit(-1);
}
UE->dlsch[sf][0][i]->rnti = n_rnti;
}
}
UE->dlsch_SI[0] = new_nr_ue_dlsch(1, 1, Nsoft, 5, N_RB_DL, 0);
UE->dlsch_ra[0] = new_nr_ue_dlsch(1, 1, Nsoft, 5, N_RB_DL, 0);
unsigned char harq_pid = 0; //dlsch->harq_ids[subframe];
NR_gNB_DLSCH_t *dlsch = gNB->dlsch[0][0];
nfapi_nr_dl_config_dlsch_pdu_rel15_t *rel15 = &dlsch->harq_processes[harq_pid]->dlsch_pdu.dlsch_pdu_rel15;
//time_stats_t *rm_stats, *te_stats, *i_stats;
uint8_t is_crnti = 0, llr8_flag = 0;
unsigned int TBS = 8424;
unsigned int available_bits;
uint8_t nb_re_dmrs = 6;
uint16_t length_dmrs = 1;
unsigned char mod_order;
uint8_t Nl = 1;
uint8_t rvidx = 0;
dlsch->rnti = 1;
/*dlsch->harq_processes[0]->mcs = Imcs;
dlsch->harq_processes[0]->rvidx = rvidx;*/
//printf("dlschsim harqid %d nb_rb %d, mscs %d\n",dlsch->harq_ids[subframe],
// dlsch->harq_processes[0]->nb_rb,dlsch->harq_processes[0]->mcs,dlsch->harq_processes[0]->Nl);
mod_order = nr_get_Qm(Imcs, 1);
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1);
TBS = nr_compute_tbs(Imcs, nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, Nl);
printf("available bits %d TBS %d mod_order %d\n", available_bits, TBS, mod_order);
//dlsch->harq_ids[subframe]= 0;
rel15->n_prb = nb_rb;
rel15->nb_symbols = nb_symb_sch;
rel15->modulation_order = mod_order;
rel15->nb_layers = Nl;
rel15->nb_re_dmrs = nb_re_dmrs;
rel15->transport_block_size = TBS;
double *modulated_input = malloc16(sizeof(double) * 16 * 68 * 384);
short *channel_output_fixed = malloc16(sizeof(short) * 16 * 68 * 384);
short *channel_output_uncoded = malloc16(sizeof(unsigned short) * 16 * 68 * 384);
double errors_bit_uncoded = 0;
unsigned char *estimated_output;
unsigned char *estimated_output_bit;
unsigned char *test_input_bit;
unsigned int errors_bit = 0;
test_input_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
estimated_output = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
estimated_output_bit = (unsigned char *) malloc16(sizeof(unsigned char) * 16 * 68 * 384);
NR_UE_DLSCH_t *dlsch0_ue = UE->dlsch[UE->current_thread_id[subframe]][0][0];
NR_DL_UE_HARQ_t *harq_process = dlsch0_ue->harq_processes[harq_pid];
harq_process->mcs = Imcs;
harq_process->Nl = Nl;
harq_process->nb_rb = nb_rb;
harq_process->Qm = mod_order;
harq_process->rvidx = rvidx;
printf("harq process ue mcs = %d Qm = %d, symb %d\n", harq_process->mcs, harq_process->Qm, nb_symb_sch);
unsigned char *test_input;
test_input = (unsigned char *) malloc16(sizeof(unsigned char) * TBS / 8);
for (i = 0; i < TBS / 8; i++)
test_input[i] = (unsigned char) rand();
estimated_output = harq_process->b;
#ifdef DEBUG_DLSCHSIM
for (i = 0; i < TBS / 8; i++) printf("test_input[i]=%d \n",test_input[i]);
#endif
/*for (int i=0; i<TBS/8; i++)
printf("test input[%d]=%d \n",i,test_input[i]);*/
//printf("crc32: [0]->0x%08x\n",crc24c(test_input, 32));
// generate signal
if (input_fd == NULL) {
nr_dlsch_encoding(test_input, subframe, dlsch, frame_parms);
}
if ((i&0xf)==0)
printf("\ne %d..%d: ",i,i+15);
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
n_errors = 0;
n_false_positive = 0;
for (trial = 0; trial < n_trials; trial++) {
errors_bit_uncoded = 0;
for (i = 0; i < available_bits; i++) {
#ifdef DEBUG_CODER
if ((i&0xf)==0)
printf("\ne %d..%d: ",i,i+15);
#endif
//if (i<16)
// printf("encoder output f[%d] = %d\n",i,dlsch->harq_processes[0]->f[i]);
if (dlsch->harq_processes[0]->f[i]==0)
modulated_input[i]=1.0;///sqrt(2); //QPSK
else
modulated_input[i]=-1.0;///sqrt(2);
//if (i<16) printf("modulated_input[%d] = %d\n",i,modulated_input[i]);
//SNR =10;
SNR_lin = pow(10,SNR/10.0);
sigma = 1.0/sqrt(2*SNR_lin);
channel_output_fixed[i] = (short)quantize(sigma/4.0/4.0,modulated_input[i] + sigma*gaussdouble(0.0,1.0),qbits);
//channel_output_fixed[i] = (char)quantize8bit(sigma/4.0,(2.0*modulated_input[i]) - 1.0 + sigma*gaussdouble(0.0,1.0));
//printf("llr[%d]=%d\n",i,channel_output_fixed[i]);
//printf("channel_output_fixed[%d]: %d\n",i,channel_output_fixed[i]);
//channel_output_fixed[i] = (char)quantize(1,channel_output_fixed[i],qbits);
//if (i<16) printf("channel_output_fixed[%d] = %d\n",i,channel_output_fixed[i]);
//Uncoded BER
if (channel_output_fixed[i]<0)
channel_output_uncoded[i]=1; //QPSK demod
else
channel_output_uncoded[i]=0;
if (channel_output_uncoded[i] != dlsch->harq_processes[harq_pid]->f[i])
errors_bit_uncoded = errors_bit_uncoded + 1;
}
//if (errors_bit_uncoded>10)
//printf("errors bits uncoded %f\n", errors_bit_uncoded);
//if (i<16)
// printf("encoder output f[%d] = %d\n",i,dlsch->harq_processes[0]->f[i]);
if (dlsch->harq_processes[0]->f[i] == 0)
modulated_input[i] = 1.0; ///sqrt(2); //QPSK
else
modulated_input[i] = -1.0; ///sqrt(2);
//if (i<16) printf("modulated_input[%d] = %d\n",i,modulated_input[i]);
//SNR =10;
SNR_lin = pow(10, SNR / 10.0);
sigma = 1.0 / sqrt(2 * SNR_lin);
channel_output_fixed[i] = (short) quantize(sigma / 4.0 / 4.0,
modulated_input[i] + sigma * gaussdouble(0.0, 1.0),
qbits);
//channel_output_fixed[i] = (char)quantize8bit(sigma/4.0,(2.0*modulated_input[i]) - 1.0 + sigma*gaussdouble(0.0,1.0));
//printf("llr[%d]=%d\n",i,channel_output_fixed[i]);
//printf("channel_output_fixed[%d]: %d\n",i,channel_output_fixed[i]);
//channel_output_fixed[i] = (char)quantize(1,channel_output_fixed[i],qbits);
//if (i<16) printf("channel_output_fixed[%d] = %d\n",i,channel_output_fixed[i]);
//Uncoded BER
if (channel_output_fixed[i] < 0)
channel_output_uncoded[i] = 1; //QPSK demod
else
channel_output_uncoded[i] = 0;
if (channel_output_uncoded[i] != dlsch->harq_processes[harq_pid]->f[i])
errors_bit_uncoded = errors_bit_uncoded + 1;
}
//if (errors_bit_uncoded>10)
//printf("errors bits uncoded %f\n", errors_bit_uncoded);
#ifdef DEBUG_CODER
printf("\n");
exit(-1);
printf("\n");
exit(-1);
#endif
ret = nr_dlsch_decoding(UE,
channel_output_fixed,
&UE->frame_parms,
dlsch0_ue,
dlsch0_ue->harq_processes[0],
frame,
nb_symb_sch,
subframe,
harq_pid,
is_crnti,
llr8_flag);
if (ret>dlsch0_ue->max_ldpc_iterations)
n_errors++;
//count errors
errors_bit = 0;
for (i=0; i<TBS; i++) {
estimated_output_bit[i] = (estimated_output[i/8]&(1<<(i&7)))>>(i&7);
test_input_bit[i] = (test_input[i/8]&(1<<(i&7)))>>(i&7); // Further correct for multiple segments
if (estimated_output_bit[i] != test_input_bit[i]) {
errors_bit++;
//printf("estimated bits error occurs @%d ",i);
}
}
if (errors_bit>0) {
n_false_positive++;
if (n_trials == 1)
printf("\n errors_bit %d (trial %d)\n", errors_bit,trial);
}
}
printf("SNR %f, BLER %f (false positive %f)\n",SNR,(float)n_errors/(float)n_trials,(float)n_false_positive/(float)n_trials);
if ((float)n_errors/(float)n_trials < target_error_rate)
break;
}
/*LOG_M("txsigF0.m","txsF0", gNB->common_vars.txdataF[0],frame_length_complex_samples_no_prefix,1,1);
if (gNB->frame_parms.nb_antennas_tx>1)
LOG_M("txsigF1.m","txsF1", gNB->common_vars.txdataF[1],frame_length_complex_samples_no_prefix,1,1);*/
//TODO: loop over slots
/*for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) {
if (gNB_config->subframe_config.dl_cyclic_prefix_type.value == 1) {
PHY_ofdm_mod(gNB->common_vars.txdataF[aa],
txdata[aa],
frame_parms->ofdm_symbol_size,
12,
frame_parms->nb_prefix_samples,
CYCLIC_PREFIX);
} else {
nr_normal_prefix_mod(gNB->common_vars.txdataF[aa],
txdata[aa],
14,
frame_parms);
}
}
LOG_M("txsig0.m","txs0", txdata[0],frame_length_complex_samples,1,1);
if (gNB->frame_parms.nb_antennas_tx>1)
LOG_M("txsig1.m","txs1", txdata[1],frame_length_complex_samples,1,1);
for (i=0; i<frame_length_complex_samples; i++) {
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
r_re[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)]);
r_im[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)+1]);
}
}*/
for (i=0; i<2; i++) {
printf("gNB %d\n",i);
free_gNB_dlsch(gNB->dlsch[0][i]);
printf("UE %d\n",i);
free_nr_ue_dlsch(UE->dlsch[UE->current_thread_id[subframe]][0][i]);
}
for (i=0; i<2; i++) {
free(s_re[i]);
free(s_im[i]);
free(r_re[i]);
free(r_im[i]);
free(txdata[i]);
}
free(s_re);
free(s_im);
free(r_re);
free(r_im);
free(txdata);
if (output_fd)
fclose(output_fd);
if (input_fd)
fclose(input_fd);
return(n_errors);
ret = nr_dlsch_decoding(UE, channel_output_fixed, &UE->frame_parms,
dlsch0_ue, dlsch0_ue->harq_processes[0], frame, nb_symb_sch,
subframe, harq_pid, is_crnti, llr8_flag);
if (ret > dlsch0_ue->max_ldpc_iterations)
n_errors++;
//count errors
errors_bit = 0;
for (i = 0; i < TBS; i++) {
estimated_output_bit[i] = (dlsch0_ue->harq_processes[0]->b[i / 8] & (1 << (i & 7))) >> (i & 7);
test_input_bit[i] = (test_input[i / 8] & (1 << (i & 7))) >> (i & 7); // Further correct for multiple segments
if (estimated_output_bit[i] != test_input_bit[i]) {
errors_bit++;
//printf("estimated bits error occurs @%d ",i);
}
}
if (errors_bit > 0) {
n_false_positive++;
if (n_trials == 1)
printf("errors_bit %d (trial %d)\n", errors_bit, trial);
}
}
printf("SNR %f, BLER %f (false positive %f)\n", SNR,
(float) n_errors / (float) n_trials,
(float) n_false_positive / (float) n_trials);
if ((float) n_errors / (float) n_trials < target_error_rate)
break;
}
/*LOG_M("txsigF0.m","txsF0", gNB->common_vars.txdataF[0],frame_length_complex_samples_no_prefix,1,1);
if (gNB->frame_parms.nb_antennas_tx>1)
LOG_M("txsigF1.m","txsF1", gNB->common_vars.txdataF[1],frame_length_complex_samples_no_prefix,1,1);*/
//TODO: loop over slots
/*for (aa=0; aa<gNB->frame_parms.nb_antennas_tx; aa++) {
if (gNB_config->subframe_config.dl_cyclic_prefix_type.value == 1) {
PHY_ofdm_mod(gNB->common_vars.txdataF[aa],
txdata[aa],
frame_parms->ofdm_symbol_size,
12,
frame_parms->nb_prefix_samples,
CYCLIC_PREFIX);
} else {
nr_normal_prefix_mod(gNB->common_vars.txdataF[aa],
txdata[aa],
14,
frame_parms);
}
}
LOG_M("txsig0.m","txs0", txdata[0],frame_length_complex_samples,1,1);
if (gNB->frame_parms.nb_antennas_tx>1)
LOG_M("txsig1.m","txs1", txdata[1],frame_length_complex_samples,1,1);
for (i=0; i<frame_length_complex_samples; i++) {
for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
r_re[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)]);
r_im[aa][i] = ((double)(((short *)txdata[aa]))[(i<<1)+1]);
}
}*/
for (i = 0; i < 2; i++) {
printf("gNB %d\n", i);
free_gNB_dlsch(gNB->dlsch[0][i]);
printf("UE %d\n", i);
free_nr_ue_dlsch(UE->dlsch[UE->current_thread_id[subframe]][0][i]);
}
for (i = 0; i < 2; i++) {
free(s_re[i]);
free(s_im[i]);
free(r_re[i]);
free(r_im[i]);
free(txdata[i]);
}
free(s_re);
free(s_im);
free(r_re);
free(r_im);
free(txdata);
if (output_fd)
fclose(output_fd);
if (input_fd)
fclose(input_fd);
return (n_errors);
}
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