diff --git a/openair1/PHY/CODING/coding_defs.h b/openair1/PHY/CODING/coding_defs.h index f6e520b226..2040faf4a2 100644 --- a/openair1/PHY/CODING/coding_defs.h +++ b/openair1/PHY/CODING/coding_defs.h @@ -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); diff --git a/openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c b/openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c index be1a87e6bf..4466fc8eea 100644 --- a/openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c +++ b/openair1/PHY/CODING/nrLDPC_encoder/ldpc_encoder2.c @@ -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 diff --git a/openair1/PHY/CODING/nrLDPC_encoder/ldpc_generate_coefficient.c b/openair1/PHY/CODING/nrLDPC_encoder/ldpc_generate_coefficient.c index d5be3e685f..13318c9d5d 100644 --- a/openair1/PHY/CODING/nrLDPC_encoder/ldpc_generate_coefficient.c +++ b/openair1/PHY/CODING/nrLDPC_encoder/ldpc_generate_coefficient.c @@ -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); diff --git a/openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c b/openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c index afc0f7c015..305a9c6266 100644 --- a/openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c +++ b/openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c @@ -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<crcParityBits == 24,"support for 24-bit crc only for now\n"); - int bitlen0=bitlen; + //int bitlen0=bitlen; uint64_t tcrc=0; diff --git a/openair1/PHY/CODING/nr_rate_matching.c b/openair1/PHY/CODING/nr_rate_matching.c index 245f3b9b75..01390f1f2f 100644 --- a/openair1/PHY/CODING/nr_rate_matching.c +++ b/openair1/PHY/CODING/nr_rate_matching.c @@ -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(kframe_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; diff --git a/openair1/PHY/NR_TRANSPORT/nr_dci.c b/openair1/PHY/NR_TRANSPORT/nr_dci.c index 7fa649bff8..bd2abebdf0 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_dci.c +++ b/openair1/PHY/NR_TRANSPORT/nr_dci.c @@ -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; diff --git a/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c b/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c index 4618f6022f..0d59207480 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c +++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c @@ -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"); diff --git a/openair1/PHY/NR_TRANSPORT/nr_pbch.c b/openair1/PHY/NR_TRANSPORT/nr_pbch.c index a978c31d99..2e2c99f106 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_pbch.c +++ b/openair1/PHY/NR_TRANSPORT/nr_pbch.c @@ -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; diff --git a/openair1/PHY/NR_TRANSPORT/nr_sss.c b/openair1/PHY/NR_TRANSPORT/nr_sss.c index 1143b96aec..154aca9ffe 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_sss.c +++ b/openair1/PHY/NR_TRANSPORT/nr_sss.c @@ -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 }; diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c index 428dfc9e99..b0ab0900ae 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c @@ -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, diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c b/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c index ff846d1e9b..9c7146ca03 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c +++ b/openair1/PHY/NR_UE_TRANSPORT/nr_prach.c @@ -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) diff --git a/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c b/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c index 432798a1bd..05ab023b00 100644 --- a/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c +++ b/openair1/PHY/NR_UE_TRANSPORT/pucch_nr.c @@ -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; lN_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) diff --git a/openair1/SIMULATION/NR_PHY/dlschsim.c b/openair1/SIMULATION/NR_PHY/dlschsim.c index fc1162c319..d30d13d490 100644 --- a/openair1/SIMULATION/NR_PHY/dlschsim.c +++ b/openair1/SIMULATION/NR_PHY/dlschsim.c @@ -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; + 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; + uint16_t nb_symb_sch = 12; + uint16_t nb_rb = 50; + uint8_t Imcs = 9; - cpuf = get_cpu_freq_GHz(); + cpuf = get_cpu_freq_GHz(); - if ( load_configmodule(argc,argv) == 0) { - exit_fun("[SOFTMODEM] Error, configuration module init failed\n"); - } + if (load_configmodule(argc, argv) == 0) { + exit_fun("[SOFTMODEM] Error, configuration module init failed\n"); + } - //logInit(); - randominit(0); + //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"); + 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); - } + if (output_fd == NULL) { + printf("Error opening %s\n", optarg); + exit(-1); + } - break; + break; - case 'd': - frame_type = 1; - break; + case 'd': + frame_type = 1; + break; - case 'g': - switch((char)*optarg) { - case 'A': - channel_model=SCM_A; - break; + case 'g': + switch ((char) *optarg) { + case 'A': + channel_model = SCM_A; + break; - case 'B': - channel_model=SCM_B; - break; + case 'B': + channel_model = SCM_B; + break; - case 'C': - channel_model=SCM_C; - break; + case 'C': + channel_model = SCM_C; + break; - case 'D': - channel_model=SCM_D; - break; + case 'D': + channel_model = SCM_D; + break; - case 'E': - channel_model=EPA; - break; + case 'E': + channel_model = EPA; + break; - case 'F': - channel_model=EVA; - break; + case 'F': + channel_model = EVA; + break; - case 'G': - channel_model=ETU; - break; + case 'G': + channel_model = ETU; + break; - default: - msg("Unsupported channel model!\n"); - exit(-1); - } + default: + msg("Unsupported channel model!\n"); + exit(-1); + } - break; + break; - case 'i': - interf1=atoi(optarg); - break; + case 'i': + interf1 = atoi(optarg); + break; - case 'j': - interf2=atoi(optarg); - break; + case 'j': + interf2 = atoi(optarg); + break; - case 'n': - n_trials = 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': + 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 'S': + snr1 = atof(optarg); + snr1set = 1; + msg("Setting SNR1 to %f\n", snr1); + break; - case 'p': - extended_prefix_flag=1; - 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); + /* + 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; + */ - if ((n_tx==0) || (n_tx>2)) { - msg("Unsupported number of tx antennas %d\n",n_tx); - exit(-1); - } + case 'y': + n_tx = atoi(optarg); - break; + if ((n_tx == 0) || (n_tx > 2)) { + msg("Unsupported number of tx antennas %d\n", n_tx); + exit(-1); + } - case 'z': - n_rx=atoi(optarg); + break; - if ((n_rx==0) || (n_rx>2)) { - msg("Unsupported number of rx antennas %d\n",n_rx); - exit(-1); - } + case 'z': + n_rx = atoi(optarg); - break; + if ((n_rx == 0) || (n_rx > 2)) { + msg("Unsupported number of rx antennas %d\n", n_rx); + exit(-1); + } - case 'N': - Nid_cell = atoi(optarg); - break; + break; - case 'R': - N_RB_DL = atoi(optarg); - break; + case 'N': + Nid_cell = atoi(optarg); + break; - case 'F': - input_fd = fopen(optarg,"r"); + case 'R': + N_RB_DL = atoi(optarg); + break; - if (input_fd==NULL) { - printf("Problem with filename %s\n",optarg); - exit(-1); - } + case 'F': + input_fd = fopen(optarg, "r"); - break; + if (input_fd == NULL) { + printf("Problem with filename %s\n", optarg); + exit(-1); + } - case 'P': - pbch_phase = atoi(optarg); + break; - if (pbch_phase>3) - printf("Illegal PBCH phase (0-3) got %d\n",pbch_phase); + case 'P': + pbch_phase = atoi(optarg); - break; + if (pbch_phase > 3) + printf("Illegal PBCH phase (0-3) got %d\n", pbch_phase); - case 'm': - Imcs = atoi(optarg); - break; + break; - case 'l': - nb_symb_sch = atoi(optarg); - break; - - case 'r': - nb_rb = atoi(optarg); - break; + case 'm': + Imcs = atoi(optarg); + break; - case 'x': - transmission_mode = atoi(optarg); - break; + case 'l': + nb_symb_sch = 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; - } - } + case 'r': + nb_rb = atoi(optarg); + break; - logInit(); - set_glog(loglvl); - T_stdout = 1; + case 'x': + transmission_mode = atoi(optarg); + break; - if (snr1set==0) - snr1 = snr0+10; + 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; + } + } - 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); + logInit(); + set_glog(loglvl); + T_stdout = 1; - if (gNB2UE==NULL) { - msg("Problem generating channel model. Exiting.\n"); - exit(-1); - } + if (snr1set == 0) + snr1 = snr0 + 10; - 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 *)); + 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); - 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 (gNB2UE == NULL) { + msg("Problem generating channel model. Exiting.\n"); + exit(-1); + } - if (pbch_file_fd!=NULL) { - load_pbch_desc(pbch_file_fd); - } + 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 (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); + 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 (!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)); + if (pbch_file_fd != NULL) { + load_pbch_desc(pbch_file_fd); + } - //phy_init_nr_top(frame_parms); - if (init_nr_ue_signal(UE, 1, 0) != 0) { - printf("Error at UE NR initialisation\n"); - exit(-1); - } + /* 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); - //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 (!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)); - if (!UE->dlsch[sf][0][i]) { - printf("Can't get ue dlsch structures\n"); - exit(-1); - } + //phy_init_nr_top(frame_parms); + if (init_nr_ue_signal(UE, 1, 0) != 0) { + printf("Error at UE NR initialisation\n"); + exit(-1); + } - UE->dlsch[sf][0][i]->rnti = n_rnti; - } - } + //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); - 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); + if (!UE->dlsch[sf][0][i]) { + printf("Can't get ue dlsch structures\n"); + exit(-1); + } - for (i=0; idlsch[sf][0][i]->rnti = n_rnti; + } + } - estimated_output = harq_process->b; + 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 (int i=0; i0x%08x\n",crc24c(test_input, 32)); - - // generate signal - if (input_fd==NULL) { - nr_dlsch_encoding(test_input, - subframe, - dlsch, - frame_parms); - } - - for (SNR=snr0; SNRb; +#ifdef DEBUG_DLSCHSIM + for (i = 0; i < TBS / 8; i++) printf("test_input[i]=%d \n",test_input[i]); #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); + /*for (int i=0; i0x%08x\n",crc24c(test_input, 32)); + // generate signal + if (input_fd == NULL) { + nr_dlsch_encoding(test_input, subframe, dlsch, frame_parms); + } - //channel_output_fixed[i] = (char)quantize(1,channel_output_fixed[i],qbits); + for (SNR = snr0; SNR < snr1; SNR += snr_step) { + n_errors = 0; + n_false_positive = 0; - //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); + for (trial = 0; trial < n_trials; trial++) { + errors_bit_uncoded = 0; + for (i = 0; i < available_bits; i++) { #ifdef DEBUG_CODER - printf("\n"); - exit(-1); + if ((i&0xf)==0) + printf("\ne %d..%d: ",i,i+15); #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++; + //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); - //count errors - errors_bit = 0; + //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]); - for (i=0; i>(i&7); - test_input_bit[i] = (test_input[i/8]&(1<<(i&7)))>>(i&7); // Further correct for multiple segments + //channel_output_fixed[i] = (char)quantize(1,channel_output_fixed[i],qbits); - if (estimated_output_bit[i] != test_input_bit[i]) { - errors_bit++; - //printf("estimated bits error occurs @%d ",i); - } - } + //if (i<16) printf("channel_output_fixed[%d] = %d\n",i,channel_output_fixed[i]); - if (errors_bit>0) { - n_false_positive++; - if (n_trials == 1) - printf("\n errors_bit %d (trial %d)\n", errors_bit,trial); - } - } + //Uncoded BER + if (channel_output_fixed[i] < 0) + channel_output_uncoded[i] = 1; //QPSK demod + else + channel_output_uncoded[i] = 0; - printf("SNR %f, BLER %f (false positive %f)\n",SNR,(float)n_errors/(float)n_trials,(float)n_false_positive/(float)n_trials); + if (channel_output_uncoded[i] != dlsch->harq_processes[harq_pid]->f[i]) + errors_bit_uncoded = errors_bit_uncoded + 1; + } - if ((float)n_errors/(float)n_trials < target_error_rate) - break; - } + //if (errors_bit_uncoded>10) + //printf("errors bits uncoded %f\n", errors_bit_uncoded); +#ifdef DEBUG_CODER + 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); - /*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);*/ + if (ret > dlsch0_ue->max_ldpc_iterations) + n_errors++; - //TODO: loop over slots - /*for (aa=0; aaframe_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); - } - } + //count errors + errors_bit = 0; - 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 < 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; aaframe_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; inb_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; inb_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++) { + 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]); - } + 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); + free(s_re); + free(s_im); + free(r_re); + free(r_im); + free(txdata); - if (output_fd) - fclose(output_fd); + if (output_fd) + fclose(output_fd); - if (input_fd) - fclose(input_fd); + if (input_fd) + fclose(input_fd); - return(n_errors); + return (n_errors); } - -