#include #include #include #include "SIMULATION/TOOLS/defs.h" #include "PHY/types.h" #include "PHY/defs.h" #include "PHY/vars.h" #include "MAC_INTERFACE/vars.h" #include "ARCH/CBMIMO1/DEVICE_DRIVER/vars.h" #include "SCHED/defs.h" #include "SCHED/vars.h" #include "LAYER2/MAC/vars.h" #include "OCG_vars.h" #ifdef XFORMS #include "PHY/TOOLS/lte_phy_scope.h" #endif extern unsigned short dftsizes[33]; extern short *ul_ref_sigs[30][2][33]; //#define AWGN //#define NO_DCI #define BW 7.68 //#define ABSTRACTION //#define PERFECT_CE /* #define RBmask0 0x00fc00fc #define RBmask1 0x0 #define RBmask2 0x0 #define RBmask3 0x0 */ PHY_VARS_eNB *PHY_vars_eNB; PHY_VARS_UE *PHY_vars_UE; #define MCS_COUNT 23//added for PHY abstraction channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX]; channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX]; //Added for PHY abstraction node_desc_t *enb_data[NUMBER_OF_eNB_MAX]; node_desc_t *ue_data[NUMBER_OF_UE_MAX]; //double sinr_bler_map[MCS_COUNT][2][16]; extern u16 beta_ack[16],beta_ri[16],beta_cqi[16]; //extern char* namepointer_chMag ; #ifdef XFORMS FD_lte_phy_scope_enb *form_enb; char title[255]; #endif void lte_param_init(unsigned char N_tx, unsigned char N_rx,unsigned char transmission_mode,u8 extended_prefix_flag,u8 N_RB_DL,u8 frame_type,u8 tdd_config,u8 osf) { LTE_DL_FRAME_PARMS *lte_frame_parms; printf("Start lte_param_init\n"); PHY_vars_eNB = malloc(sizeof(PHY_VARS_eNB)); PHY_vars_UE = malloc(sizeof(PHY_VARS_UE)); //PHY_config = malloc(sizeof(PHY_CONFIG)); mac_xface = malloc(sizeof(MAC_xface)); randominit(0); set_taus_seed(0); lte_frame_parms = &(PHY_vars_eNB->lte_frame_parms); lte_frame_parms->frame_type = frame_type; lte_frame_parms->tdd_config = tdd_config; lte_frame_parms->N_RB_DL = N_RB_DL; //50 for 10MHz and 25 for 5 MHz lte_frame_parms->N_RB_UL = N_RB_DL; lte_frame_parms->Ncp = extended_prefix_flag; lte_frame_parms->Ncp_UL = extended_prefix_flag; lte_frame_parms->Nid_cell = 10; lte_frame_parms->nushift = 0; lte_frame_parms->nb_antennas_tx = N_tx; lte_frame_parms->nb_antennas_rx = N_rx; // lte_frame_parms->Csrs = 2; // lte_frame_parms->Bsrs = 0; // lte_frame_parms->kTC = 0; // lte_frame_parms->n_RRC = 0; lte_frame_parms->mode1_flag = (transmission_mode == 1)? 1 : 0; lte_frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 0;//n_DMRS1 set to 0 init_frame_parms(lte_frame_parms,osf); //copy_lte_parms_to_phy_framing(lte_frame_parms, &(PHY_config->PHY_framing)); phy_init_top(lte_frame_parms); //allocation lte_frame_parms->twiddle_fft = twiddle_fft; lte_frame_parms->twiddle_ifft = twiddle_ifft; lte_frame_parms->rev = rev; PHY_vars_UE->lte_frame_parms = *lte_frame_parms; phy_init_lte_top(lte_frame_parms); phy_init_lte_ue(PHY_vars_UE,1,0); phy_init_lte_eNB(PHY_vars_eNB,0,0,0); printf("Done lte_param_init\n"); } #define UL_RB_ALLOC 0x1ff; int main(int argc, char **argv) { char c; int i,j,aa,u; int aarx,aatx; double channelx,channely; double sigma2, sigma2_dB=10,SNR,SNR2,snr0=-2.0,snr1,SNRmeas,rate,saving_bler; double blerr; //int **txdataF, **txdata; int **txdata; LTE_DL_FRAME_PARMS *frame_parms; double **s_re,**s_im,**r_re,**r_im; double forgetting_factor=0.0; //in [0,1] 0 means a new channel every time, 1 means keep the same channel double iqim=0.0; u8 extended_prefix_flag=0; int cqi_flag=0,cqi_error,cqi_errors,ack_errors,cqi_crc_falsepositives,cqi_crc_falsenegatives; int ch_realization; int eNB_id = 0; int chMod = 0 ; int UE_id = 0; unsigned char nb_rb=25,first_rb=0,mcs=0,round=0,bundling_flag=1; unsigned char l; unsigned char awgn_flag = 0 ; SCM_t channel_model=Rice1; unsigned char *input_buffer,harq_pid; unsigned short input_buffer_length; unsigned int ret; unsigned int coded_bits_per_codeword,nsymb; int subframe=3; unsigned int tx_lev=0,tx_lev_dB,trials,errs[4]={0,0,0,0},round_trials[4]={0,0,0,0}; u8 transmission_mode=1,n_rx=1; FILE *bler_fdUL; FILE *bler_fd; char bler_fname[20]; FILE *input_fdUL=NULL,*trch_out_fdUL=NULL; // unsigned char input_file=0; char input_val_str[50],input_val_str2[50]; // FILE *rx_frame_file; FILE *csv_fdUL; FILE *fperen; char fperen_name[512]; FILE *fmageren; char fmageren_name[512]; FILE *flogeren; char flogeren_name[512]; /* FILE *ftxlev; char ftxlev_name[512]; */ char csv_fname[512]; int n_frames=5000; int n_ch_rlz = 1; int abstx = 0; int hold_channel=0; channel_desc_t *UE2eNB; u8 control_only_flag = 0; int delay = 0; double maxDoppler = 0.0; u8 srs_flag = 0; u8 N_RB_DL=25,osf=1; u8 cyclic_shift = 0; u8 cooperation_flag = 0; //0 no cooperation, 1 delay diversity, 2 Alamouti u8 beta_ACK=0,beta_RI=0,beta_CQI=2; u8 tdd_config=3,frame_type=FDD; u8 N0=30; double tx_gain=1.0; double cpu_freq_GHz; time_stats_t ts; int avg_iter,iter_trials; uint32_t UL_alloc_pdu; int s,Kr,Kr_bytes; int dump_perf=0; uint8_t max_turbo_iterations=4; uint8_t llr8_flag=0; int nb_rb_set = 0; reset_meas(&ts); start_meas(&ts); sleep(1); stop_meas(&ts); cpu_freq_GHz = (double)ts.diff/1000000000; printf("Detected cpu_freq %f GHz\n",cpu_freq_GHz); logInit(); while ((c = getopt (argc, argv, "hapbm:n:Y:X:s:q:d:D:c:r:i:f:y:c:oA:C:R:g:N:l:S:T:QB:PI:L")) != -1) { switch (c) { case 'a': channel_model = AWGN; chMod = 1; break; case 'b': bundling_flag = 0; break; case 'd': delay = atoi(optarg); break; case 'D': maxDoppler = atoi(optarg); break; case 'm': mcs = atoi(optarg); break; case 'n': n_frames = atoi(optarg); break; case 'Y': n_ch_rlz = atoi(optarg); break; case 'X': abstx= atoi(optarg); break; case 'g': switch((char)*optarg) { case 'A': channel_model=SCM_A; chMod = 2; break; case 'B': channel_model=SCM_B; chMod = 3; break; case 'C': channel_model=SCM_C; chMod = 4; break; case 'D': channel_model=SCM_D; chMod = 5; break; case 'E': channel_model=EPA; chMod = 6; break; case 'F': channel_model=EVA; chMod = 7; break; case 'G': channel_model=ETU; chMod = 8; break; case 'H': channel_model=Rayleigh8; chMod = 9; break; case 'I': channel_model=Rayleigh1; chMod = 10; break; case 'J': channel_model=Rayleigh1_corr; chMod = 11; break; case 'K': channel_model=Rayleigh1_anticorr; chMod = 12; break; case 'L': channel_model=Rice8; chMod = 13; break; case 'M': channel_model=Rice1; chMod = 14; break; default: msg("Unsupported channel model!\n"); exit(-1); break; } break; case 's': snr0 = atoi(optarg); break; case 'y': n_rx = atoi(optarg); break; case 'S': subframe = atoi(optarg); break; case 'T': tdd_config=atoi(optarg); frame_type=TDD; break; case 'p': extended_prefix_flag=1; break; case 'r': nb_rb = atoi(optarg); nb_rb_set = 1; break; case 'f': first_rb = atoi(optarg); break; case 'c': cyclic_shift = atoi(optarg); break; case 'N': N0 = atoi(optarg); break; case 'o': srs_flag = 1; break; case 'i': input_fdUL = fopen(optarg,"r"); msg("Reading in %s (%p)\n",optarg,input_fdUL); if (input_fdUL == (FILE*)NULL) { msg("Unknown file %s\n",optarg); exit(-1); } // input_file=1; break; case 'A': beta_ACK = atoi(optarg); if (beta_ACK>15) { printf("beta_ack must be in (0..15)\n"); exit(-1); } break; case 'C': beta_CQI = atoi(optarg); if ((beta_CQI>15)||(beta_CQI<2)) { printf("beta_cqi must be in (2..15)\n"); exit(-1); } break; case 'R': beta_RI = atoi(optarg); if ((beta_RI>15)||(beta_RI<2)) { printf("beta_ri must be in (0..13)\n"); exit(-1); } break; case 'Q': cqi_flag=1; break; case 'B': N_RB_DL=atoi(optarg); break; case 'P': dump_perf=1; break; case 'L': llr8_flag=1; break; case 'I': max_turbo_iterations=atoi(optarg); break; case 'h': default: printf("%s -h(elp) -a(wgn on) -m mcs -n n_frames -s snr0 -t delay_spread -p (extended prefix on) -r nb_rb -f first_rb -c cyclic_shift -o (srs on) -g channel_model [A:M] Use 3GPP 25.814 SCM-A/B/C/D('A','B','C','D') or 36-101 EPA('E'), EVA ('F'),ETU('G') models (ignores delay spread and Ricean factor), Rayghleigh8 ('H'), Rayleigh1('I'), Rayleigh1_corr('J'), Rayleigh1_anticorr ('K'), Rice8('L'), Rice1('M'), -d Channel delay, -D maximum Doppler shift \n",argv[0]); exit(1); break; } } lte_param_init(1,n_rx,1,extended_prefix_flag,N_RB_DL,frame_type,tdd_config,osf); if (nb_rb_set == 0) nb_rb = PHY_vars_eNB->lte_frame_parms.N_RB_UL; printf("1 . rxdataF_comp[0] %p\n",PHY_vars_eNB->lte_eNB_pusch_vars[0]->rxdataF_comp[0][0]); printf("Setting mcs = %d\n",mcs); printf("n_frames = %d\n", n_frames); snr1 = snr0+25.0; printf("SNR0 %f, SNR1 %f\n",snr0,snr1); /* txdataF = (int **)malloc16(2*sizeof(int*)); txdataF[0] = (int *)malloc16(FRAME_LENGTH_BYTES); txdataF[1] = (int *)malloc16(FRAME_LENGTH_BYTES); txdata = (int **)malloc16(2*sizeof(int*)); txdata[0] = (int *)malloc16(FRAME_LENGTH_BYTES); txdata[1] = (int *)malloc16(FRAME_LENGTH_BYTES); */ frame_parms = &PHY_vars_eNB->lte_frame_parms; txdata = PHY_vars_UE->lte_ue_common_vars.txdata; s_re = malloc(2*sizeof(double*)); s_im = malloc(2*sizeof(double*)); r_re = malloc(2*sizeof(double*)); r_im = malloc(2*sizeof(double*)); // r_re0 = malloc(2*sizeof(double*)); // r_im0 = malloc(2*sizeof(double*)); nsymb = (PHY_vars_eNB->lte_frame_parms.Ncp == 0) ? 14 : 12; coded_bits_per_codeword = nb_rb * (12 * get_Qm(mcs)) * nsymb; rate = (double)dlsch_tbs25[get_I_TBS(mcs)][nb_rb-1]/(coded_bits_per_codeword); printf("Rate = %f (mod %d), coded bits %d\n",rate,get_Qm(mcs),coded_bits_per_codeword); // sprintf(ftxlev_name,"txlev_mcs%d_nrb%d_AWGN_nsim%d.m",mcs,nb_rb,n_frames); /*if(channel_model == AWGN) sprintf(bler_fname,"EtezULbler_mcs%d_nrb%d_AWGN_nsim%d.m",mcs,nb_rb,n_frames); else sprintf(bler_fname,"EtezULbler_mcs%d_nrb%d_channel_model_%d_nsim%d.m",mcs,nb_rb,chMod,n_frames); */ //bler_fdUL = fopen(bler_fname,"w"); //ftxlev = fopen(ftxlev_name,"w"); //fprintf(bler_fd,"bler = ["); sprintf(bler_fname,"bler_%d.m",mcs); bler_fd = fopen(bler_fname,"w"); if(abstx){ sprintf(fperen_name,"ULchan_estims_F_mcs%d_rb%d_chanMod%d_nframes%d_chanReal%d.m",mcs,nb_rb,chMod,n_frames,n_ch_rlz); fperen = fopen(fperen_name,"a+"); fprintf(fperen,"chest_f = ["); fclose(fperen); sprintf(fmageren_name,"ChanMag_F_mcs%d_rb%d_chanMod%d_nframes%d_chanReal%d.m",mcs,nb_rb,chMod,n_frames,n_ch_rlz); fmageren = fopen(fmageren_name,"a+"); fprintf(fmageren,"mag_f = ["); fclose(fmageren); sprintf(flogeren_name,"Log2Max_mcs%d_rb%d_chanMod%d_nframes%d_chanReal%d.m",mcs,nb_rb,chMod,n_frames,n_ch_rlz); flogeren = fopen(flogeren_name,"a+"); fprintf(flogeren,"mag_f = ["); fclose(flogeren); } /* sprintf(ftxlev_name,"txlevel_mcs%d_rb%d_chanMod%d_nframes%d_chanReal%d.m",mcs,nb_rb,chMod,n_frames,n_ch_rlz); ftxlev = fopen(ftxlev_name,"a+"); fprintf(ftxlev,"txlev = ["); fclose(ftexlv); */ if(abstx){ // CSV file sprintf(csv_fname,"EULdataout_tx%d_mcs%d_nbrb%d_chan%d_nsimus%d_eren.m",transmission_mode,mcs,nb_rb,chMod,n_frames); csv_fdUL = fopen(csv_fname,"w"); fprintf(csv_fdUL,"data_all%d=[",mcs); sprintf(bler_fname,"EtezULbler_mcs%d_nrb%d_channel_model_%d_nsim%d.m",mcs,nb_rb,chMod,n_frames); bler_fdUL = fopen(bler_fname,"w"); } for (i=0;i<2;i++) { s_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); s_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); r_re[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); r_im[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); // r_re0[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); // bzero(r_re0[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); // r_im0[i] = malloc(FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); // bzero(r_im0[i],FRAME_LENGTH_COMPLEX_SAMPLES*sizeof(double)); } #ifdef XFORMS fl_initialize (&argc, argv, NULL, 0, 0); form_enb = create_lte_phy_scope_enb(); sprintf (title, "LTE PHY SCOPE eNB"); fl_show_form (form_enb->lte_phy_scope_enb, FL_PLACE_HOTSPOT, FL_FULLBORDER, title); #endif PHY_vars_UE->lte_ue_pdcch_vars[0]->crnti = 14; PHY_vars_UE->lte_frame_parms.soundingrs_ul_config_common.srs_BandwidthConfig = 2; PHY_vars_UE->lte_frame_parms.soundingrs_ul_config_common.srs_SubframeConfig = 7; PHY_vars_UE->soundingrs_ul_config_dedicated[eNB_id].srs_Bandwidth = 0; PHY_vars_UE->soundingrs_ul_config_dedicated[eNB_id].transmissionComb = 0; PHY_vars_UE->soundingrs_ul_config_dedicated[eNB_id].freqDomainPosition = 0; PHY_vars_eNB->lte_frame_parms.soundingrs_ul_config_common.srs_BandwidthConfig = 2; PHY_vars_eNB->lte_frame_parms.soundingrs_ul_config_common.srs_SubframeConfig = 7; PHY_vars_eNB->soundingrs_ul_config_dedicated[UE_id].srs_ConfigIndex = 1; PHY_vars_eNB->soundingrs_ul_config_dedicated[UE_id].srs_Bandwidth = 0; PHY_vars_eNB->soundingrs_ul_config_dedicated[UE_id].transmissionComb = 0; PHY_vars_eNB->soundingrs_ul_config_dedicated[UE_id].freqDomainPosition = 0; PHY_vars_eNB->cooperation_flag = cooperation_flag; // PHY_vars_eNB->eNB_UE_stats[0].SRS_parameters = PHY_vars_UE->SRS_parameters; PHY_vars_eNB->pusch_config_dedicated[UE_id].betaOffset_ACK_Index = beta_ACK; PHY_vars_eNB->pusch_config_dedicated[UE_id].betaOffset_RI_Index = beta_RI; PHY_vars_eNB->pusch_config_dedicated[UE_id].betaOffset_CQI_Index = beta_CQI; PHY_vars_UE->pusch_config_dedicated[eNB_id].betaOffset_ACK_Index = beta_ACK; PHY_vars_UE->pusch_config_dedicated[eNB_id].betaOffset_RI_Index = beta_RI; PHY_vars_UE->pusch_config_dedicated[eNB_id].betaOffset_CQI_Index = beta_CQI; printf("PUSCH Beta : ACK %f, RI %f, CQI %f\n",(double)beta_ack[beta_ACK]/8,(double)beta_ri[beta_RI]/8,(double)beta_cqi[beta_CQI]/8); UE2eNB = new_channel_desc_scm(PHY_vars_eNB->lte_frame_parms.nb_antennas_tx, PHY_vars_UE->lte_frame_parms.nb_antennas_rx, channel_model, BW, forgetting_factor, delay, 0); // set Doppler UE2eNB->max_Doppler = maxDoppler; // NN: N_RB_UL has to be defined in ulsim PHY_vars_eNB->ulsch_eNB[0] = new_eNB_ulsch(8,max_turbo_iterations,N_RB_DL,0); PHY_vars_UE->ulsch_ue[0] = new_ue_ulsch(8,N_RB_DL,0); /* // Create transport channel structures for 2 transport blocks (MIMO) for (i=0;i<2;i++) { PHY_vars_eNB->dlsch_eNB[0][i] = new_eNB_dlsch(1,8,0); PHY_vars_UE->dlsch_ue[0][i] = new_ue_dlsch(1,8,MAX_TURBO_ITERATIONS,0); if (!PHY_vars_eNB->dlsch_eNB[0][i]) { printf("Can't get eNB dlsch structures\n"); exit(-1); } if (!PHY_vars_UE->dlsch_ue[0][i]) { printf("Can't get ue dlsch structures\n"); exit(-1); } PHY_vars_eNB->dlsch_eNB[0][i]->rnti = 14; PHY_vars_UE->dlsch_ue[0][i]->rnti = 14; } */ switch (PHY_vars_eNB->lte_frame_parms.N_RB_UL) { case 6: break; case 25: if (PHY_vars_eNB->lte_frame_parms.frame_type == TDD) { ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->type = 0; ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->rballoc = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_UL,first_rb,nb_rb);// 12 RBs from position 8 printf("nb_rb %d/%d, rballoc %d (dci %x)\n",nb_rb,PHY_vars_eNB->lte_frame_parms.N_RB_UL,((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->rballoc,*(uint32_t *)&UL_alloc_pdu); ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->mcs = mcs; ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->ndi = 1; ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->TPC = 0; ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->cqi_req = cqi_flag&1; ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->cshift = 0; ((DCI0_5MHz_TDD_1_6_t*)&UL_alloc_pdu)->dai = 1; } else { ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->type = 0; ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->rballoc = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_UL,first_rb,nb_rb);// 12 RBs from position 8 printf("nb_rb %d/%d, rballoc %d (dci %x)\n",nb_rb,PHY_vars_eNB->lte_frame_parms.N_RB_UL,((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->rballoc,*(u32 *)&UL_alloc_pdu); ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->mcs = mcs; ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->ndi = 1; ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->TPC = 0; ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->cqi_req = cqi_flag&1; ((DCI0_5MHz_FDD_t*)&UL_alloc_pdu)->cshift = 0; } break; case 50: if (PHY_vars_eNB->lte_frame_parms.frame_type == TDD) { ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->type = 0; ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->rballoc = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_UL,first_rb,nb_rb);// 12 RBs from position 8 printf("nb_rb %d/%d, rballoc %d (dci %x)\n",nb_rb,PHY_vars_eNB->lte_frame_parms.N_RB_UL,((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->rballoc,*(uint32_t *)&UL_alloc_pdu); ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->mcs = mcs; ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->ndi = 1; ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->TPC = 0; ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->cqi_req = cqi_flag&1; ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->cshift = 0; ((DCI0_10MHz_TDD_1_6_t*)&UL_alloc_pdu)->dai = 1; } else { ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->type = 0; ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->rballoc = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_UL,first_rb,nb_rb);// 12 RBs from position 8 printf("nb_rb %d/%d, rballoc %d (dci %x)\n",nb_rb,PHY_vars_eNB->lte_frame_parms.N_RB_UL,((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->rballoc,*(u32 *)&UL_alloc_pdu); ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->mcs = mcs; ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->ndi = 1; ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->TPC = 0; ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->cqi_req = cqi_flag&1; ((DCI0_10MHz_FDD_t*)&UL_alloc_pdu)->cshift = 0; } break; case 100: if (PHY_vars_eNB->lte_frame_parms.frame_type == TDD) { ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->type = 0; ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->rballoc = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_UL,first_rb,nb_rb);// 12 RBs from position 8 printf("nb_rb %d/%d, rballoc %d (dci %x)\n",nb_rb,PHY_vars_eNB->lte_frame_parms.N_RB_UL,((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->rballoc,*(uint32_t *)&UL_alloc_pdu); ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->mcs = mcs; ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->ndi = 1; ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->TPC = 0; ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->cqi_req = cqi_flag&1; ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->cshift = 0; ((DCI0_20MHz_TDD_1_6_t*)&UL_alloc_pdu)->dai = 1; } else { ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->type = 0; ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->rballoc = computeRIV(PHY_vars_eNB->lte_frame_parms.N_RB_UL,first_rb,nb_rb);// 12 RBs from position 8 printf("nb_rb %d/%d, rballoc %d (dci %x)\n",nb_rb,PHY_vars_eNB->lte_frame_parms.N_RB_UL,((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->rballoc,*(u32 *)&UL_alloc_pdu); ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->mcs = mcs; ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->ndi = 1; ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->TPC = 0; ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->cqi_req = cqi_flag&1; ((DCI0_20MHz_FDD_t*)&UL_alloc_pdu)->cshift = 0; } break; default: break; } PHY_vars_UE->PHY_measurements.rank[0] = 0; PHY_vars_UE->transmission_mode[0] = 2; PHY_vars_UE->pucch_config_dedicated[0].tdd_AckNackFeedbackMode = bundling_flag == 1 ? bundling : multiplexing; PHY_vars_eNB->transmission_mode[0] = 2; PHY_vars_eNB->pucch_config_dedicated[0].tdd_AckNackFeedbackMode = bundling_flag == 1 ? bundling : multiplexing; PHY_vars_UE->lte_frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1; PHY_vars_eNB->lte_frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1; PHY_vars_UE->lte_frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0; PHY_vars_eNB->lte_frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0; PHY_vars_UE->lte_frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0; PHY_vars_eNB->lte_frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0; PHY_vars_UE->frame=1;PHY_vars_eNB->frame=1; msg("Init UL hopping UE\n"); init_ul_hopping(&PHY_vars_UE->lte_frame_parms); msg("Init UL hopping eNB\n"); init_ul_hopping(&PHY_vars_eNB->lte_frame_parms); generate_ue_ulsch_params_from_dci((void *)&UL_alloc_pdu, 14, ul_subframe2pdcch_alloc_subframe(&PHY_vars_UE->lte_frame_parms,subframe), format0, PHY_vars_UE, SI_RNTI, 0, P_RNTI, CBA_RNTI, 0, srs_flag); // printf("RIV %d\n",UL_alloc_pdu.rballoc); generate_eNB_ulsch_params_from_dci((void *)&UL_alloc_pdu, 14, ul_subframe2pdcch_alloc_subframe(&PHY_vars_eNB->lte_frame_parms,subframe), format0, 0, PHY_vars_eNB, SI_RNTI, 0, P_RNTI, CBA_RNTI, srs_flag); for (ch_realization=0;ch_realizationofdm_symbol_size)]; } */ if(abstx){ printf("**********************Channel Realization Index = %d **************************\n", ch_realization); saving_bler=1; } if ((subframe>5) || (subframe < 4)) PHY_vars_UE->frame++; for (SNR=snr0;SNRframe = PHY_vars_UE->frame; harq_pid = subframe2harq_pid(&PHY_vars_UE->lte_frame_parms,PHY_vars_UE->frame,subframe); printf("UL frame %d/subframe %d, harq_pid %d\n",PHY_vars_UE->frame,subframe,harq_pid); if (input_fdUL == NULL) { input_buffer_length = PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->TBS/8; input_buffer = (unsigned char *)malloc(input_buffer_length+4); if (n_frames == 1) { trch_out_fdUL= fopen("ulsch_trchUL.txt","w"); for (i=0;i>(7-j))&1); } fclose(trch_out_fdUL); } else { for (i=0;i %e + j%e (%d +j%d)\n",i/4,strtod(input_val_str,NULL),strtod(input_val_str2,NULL),((short*)txdata[0])[i/4],((short*)txdata[0])[(i/4)+1]);//1,input_val2,); } i++; if (i>(FRAME_LENGTH_SAMPLES)) break; } printf("Read in %d samples\n",i/4); // write_output("txsig0UL.m","txs0", txdata[0],2*frame_parms->samples_per_tti,1,1); // write_output("txsig1.m","txs1", txdata[1],FRAME_LENGTH_COMPLEX_SAMPLES,1,1); tx_lev = signal_energy(&txdata[0][0], OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES); tx_lev_dB = (unsigned int) dB_fixed(tx_lev); } avg_iter = 0; iter_trials=0; reset_meas(&PHY_vars_UE->ofdm_mod_stats); reset_meas(&PHY_vars_UE->ulsch_modulation_stats); reset_meas(&PHY_vars_UE->ulsch_encoding_stats); reset_meas(&PHY_vars_UE->ulsch_interleaving_stats); reset_meas(&PHY_vars_UE->ulsch_rate_matching_stats); reset_meas(&PHY_vars_UE->ulsch_turbo_encoding_stats); reset_meas(&PHY_vars_UE->ulsch_segmentation_stats); reset_meas(&PHY_vars_UE->ulsch_multiplexing_stats); reset_meas(&PHY_vars_eNB->ofdm_demod_stats); reset_meas(&PHY_vars_eNB->ulsch_channel_estimation_stats); reset_meas(&PHY_vars_eNB->ulsch_freq_offset_estimation_stats); reset_meas(&PHY_vars_eNB->rx_dft_stats); reset_meas(&PHY_vars_eNB->ulsch_decoding_stats); reset_meas(&PHY_vars_eNB->ulsch_turbo_decoding_stats); reset_meas(&PHY_vars_eNB->ulsch_deinterleaving_stats); reset_meas(&PHY_vars_eNB->ulsch_demultiplexing_stats); reset_meas(&PHY_vars_eNB->ulsch_rate_unmatching_stats); reset_meas(&PHY_vars_eNB->ulsch_tc_init_stats); reset_meas(&PHY_vars_eNB->ulsch_tc_alpha_stats); reset_meas(&PHY_vars_eNB->ulsch_tc_beta_stats); reset_meas(&PHY_vars_eNB->ulsch_tc_gamma_stats); reset_meas(&PHY_vars_eNB->ulsch_tc_ext_stats); reset_meas(&PHY_vars_eNB->ulsch_tc_intl1_stats); reset_meas(&PHY_vars_eNB->ulsch_tc_intl2_stats); for (trials = 0;trialsframe++; // PHY_vars_eNB->frame++; fflush(stdout); round=0; while (round < 4) { // printf("Trial %d : Round %d ",trials,round); round_trials[round]++; if (round == 0) { PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->Ndi = 1; PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->rvidx = round>>1; PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->Ndi = 1; PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->rvidx = round>>1; } else { PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->Ndi = 0; PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->rvidx = round>>1; PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->Ndi = 0; PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->rvidx = round>>1; } ///////////////////// if (abstx) { if (trials==0 && round==0 && SNR==snr0){ //generate a new channel hold_channel = 0; flagMag=0; } else{ hold_channel = 1; flagMag = 1; } } else { hold_channel = 0; flagMag=1; } /////////////////////////////////////// if (input_fdUL == NULL) { #ifdef OFDMA_ULSCH if (srs_flag) generate_srs_tx(PHY_vars_UE,0,AMP,subframe); generate_drs_pusch(PHY_vars_UE,0,AMP,subframe,first_rb,nb_rb,0); #else if (srs_flag) generate_srs_tx(PHY_vars_UE,0,AMP,subframe); generate_drs_pusch(PHY_vars_UE,0, AMP,subframe, PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->first_rb, PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->nb_rb, 0); #endif if ((cqi_flag == 1) && (n_frames == 1) ) { printf("CQI information (O %d) %d %d\n",PHY_vars_UE->ulsch_ue[0]->O, PHY_vars_UE->ulsch_ue[0]->o[0],PHY_vars_UE->ulsch_ue[0]->o[1]); print_CQI(PHY_vars_UE->ulsch_ue[0]->o,PHY_vars_UE->ulsch_ue[0]->uci_format,0); } PHY_vars_UE->ulsch_ue[0]->o_ACK[0] = taus()&1; start_meas(&PHY_vars_UE->ulsch_encoding_stats); if (ulsch_encoding(input_buffer, PHY_vars_UE, harq_pid, eNB_id, 2, // transmission mode control_only_flag, 1// Nbundled )==-1) { printf("ulsim.c Problem with ulsch_encoding\n"); exit(-1); } stop_meas(&PHY_vars_UE->ulsch_encoding_stats); start_meas(&PHY_vars_UE->ulsch_modulation_stats); #ifdef OFDMA_ULSCH ulsch_modulation(PHY_vars_UE->lte_ue_common_vars.txdataF,AMP, PHY_vars_UE->frame,subframe,&PHY_vars_UE->lte_frame_parms,PHY_vars_UE->ulsch_ue[0]); #else // printf("Generating PUSCH in subframe %d with amp %d, nb_rb %d\n",subframe,AMP,nb_rb); ulsch_modulation(PHY_vars_UE->lte_ue_common_vars.txdataF,AMP, PHY_vars_UE->frame,subframe,&PHY_vars_UE->lte_frame_parms, PHY_vars_UE->ulsch_ue[0]); #endif stop_meas(&PHY_vars_UE->ulsch_modulation_stats); if (n_frames==1) { write_output("txsigF0UL.m","txsF0", &PHY_vars_UE->lte_ue_common_vars.txdataF[0][PHY_vars_eNB->lte_frame_parms.ofdm_symbol_size*nsymb*subframe],PHY_vars_eNB->lte_frame_parms.ofdm_symbol_size*nsymb,1,1); //write_output("txsigF1.m","txsF1", PHY_vars_UE->lte_ue_common_vars.txdataF[0],FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX,1,1); } tx_lev=0; start_meas(&PHY_vars_UE->ofdm_mod_stats); for (aa=0; aa<1; aa++) { if (frame_parms->Ncp == 1) PHY_ofdm_mod(&PHY_vars_UE->lte_ue_common_vars.txdataF[aa][subframe*nsymb*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES_NO_PREFIX], // input &txdata[aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe], // output PHY_vars_UE->lte_frame_parms.log2_symbol_size, // log2_fft_size nsymb, // number of symbols PHY_vars_UE->lte_frame_parms.nb_prefix_samples, // number of prefix samples PHY_vars_UE->lte_frame_parms.twiddle_ifft, // IFFT twiddle factors PHY_vars_UE->lte_frame_parms.rev, // bit-reversal permutation CYCLIC_PREFIX); else normal_prefix_mod(&PHY_vars_UE->lte_ue_common_vars.txdataF[aa][subframe*nsymb*OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES_NO_PREFIX], &txdata[aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe], nsymb, frame_parms); #ifndef OFDMA_ULSCH apply_7_5_kHz(PHY_vars_UE,PHY_vars_UE->lte_ue_common_vars.txdata[aa],subframe<<1); apply_7_5_kHz(PHY_vars_UE,PHY_vars_UE->lte_ue_common_vars.txdata[aa],1+(subframe<<1)); #endif stop_meas(&PHY_vars_UE->ofdm_mod_stats); tx_lev += signal_energy(&txdata[aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe], PHY_vars_eNB->lte_frame_parms.samples_per_tti); } } // input_fd == NULL tx_lev_dB = (unsigned int) dB_fixed(tx_lev); if (n_frames==1) { write_output("txsig0UL.m","txs0", &txdata[0][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe],2*frame_parms->samples_per_tti,1,1); // write_output("txsig1UL.m","txs1", &txdata[1][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe],2*frame_parms->samples_per_tti,1,1); } //(double)tx_lev_dB - (SNR+sigma2_dB)); //Set target wideband RX noise level to N0 sigma2_dB = N0;//10*log10((double)tx_lev) +10*log10(PHY_vars_UE->lte_frame_parms.ofdm_symbol_size/(PHY_vars_UE->lte_frame_parms.N_RB_DL*12)) - SNR; // Adjust SNR to account for difference in TX bandwidth and sampling rate (512/300 for 5MHz) SNR2 = SNR + 10*log10(((double)PHY_vars_UE->lte_frame_parms.ofdm_symbol_size/N_RB_DL/12)); // compute tx_gain to achieve target SNR (per resource element!) tx_gain = sqrt(pow(10.0,.1*(N0+SNR2))*nb_rb/(N_RB_DL*(double)tx_lev)); //AWGN sigma2 = pow(10,sigma2_dB/10); //fprintf(bler_fdUL,"%f,%d;%d;%f;%f;%f\n",SNR,tx_lev,tx_lev_dB,sigma2_dB,tx_gain,SNR2); //if(saving_bler == 0) //{ //if (trials==0 && round==0 ) { //fprintf(bler_fdUL,"%f;%d;%d;%f;%f;%f\n",SNR,tx_lev,tx_lev_dB,sigma2_dB,tx_gain,SNR2); //} //} // fill measurement symbol (19) with noise for (i=0;ilte_frame_parms.nb_antennas_rx;aa++) { ((short*) &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][aa][(frame_parms->samples_per_tti<<1) -frame_parms->ofdm_symbol_size])[2*i] = (short) ((sqrt(sigma2/2)*gaussdouble(0.0,1.0))); ((short*) &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][aa][(frame_parms->samples_per_tti<<1) -frame_parms->ofdm_symbol_size])[2*i+1] = (short) ((sqrt(sigma2/2)*gaussdouble(0.0,1.0))); } } // multipath channel for (i=0;ilte_frame_parms.samples_per_tti;i++) { for (aa=0;aa<1;aa++) { s_re[aa][i] = ((double)(((short *)&txdata[aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe]))[(i<<1)]); s_im[aa][i] = ((double)(((short *)&txdata[aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe]))[(i<<1)+1]); } } if (awgn_flag == 0) { if (UE2eNB->max_Doppler == 0) { multipath_channel(UE2eNB,s_re,s_im,r_re,r_im, PHY_vars_eNB->lte_frame_parms.samples_per_tti,hold_channel); } else { multipath_tv_channel(UE2eNB,s_re,s_im,r_re,r_im, 2*PHY_vars_eNB->lte_frame_parms.samples_per_tti,hold_channel); } } if(abstx){ if(saving_bler==0) if (trials==0 && round==0) { // calculate freq domain representation to compute SINR freq_channel(UE2eNB, N_RB_DL,12*N_RB_DL + 1); // snr=pow(10.0,.1*SNR); fprintf(csv_fdUL,"%f,%d,%d,%f,%f,%f,",SNR,tx_lev,tx_lev_dB,sigma2_dB,tx_gain,SNR2); //fprintf(csv_fdUL,"%f,",SNR); fprintf(bler_fdUL,"%f;%d;%d;%f;%f;%f\n",SNR,tx_lev,tx_lev_dB,sigma2_dB,tx_gain,SNR2); for (u=0;u<12*nb_rb;u++){ for (aarx=0;aarxnb_rx;aarx++) { for (aatx=0;aatxnb_tx;aatx++) { // abs_channel = (eNB2UE->chF[aarx+(aatx*eNB2UE->nb_rx)][u].x*eNB2UE->chF[aarx+(aatx*eNB2UE->nb_rx)][u].x + eNB2UE->chF[aarx+(aatx*eNB2UE->nb_rx)][u].y*eNB2UE->chF[aarx+(aatx*eNB2UE->nb_rx)][u].y); channelx = UE2eNB->chF[aarx+(aatx*UE2eNB->nb_rx)][u].x; channely = UE2eNB->chF[aarx+(aatx*UE2eNB->nb_rx)][u].y; // if(transmission_mode==5){ fprintf(csv_fdUL,"%e+i*(%e),",channelx,channely); // } // else{ // pilot_sinr = 10*log10(snr*abs_channel); // fprintf(csv_fd,"%e,",pilot_sinr); // } } } } } } if (n_frames==1) printf("Sigma2 %f (sigma2_dB %f), tx_gain %f (%f dB)\n",sigma2,sigma2_dB,tx_gain,20*log10(tx_gain)); for (i=0; ilte_frame_parms.samples_per_tti; i++) { for (aa=0;aalte_frame_parms.nb_antennas_rx;aa++) { ((short*) &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe])[2*i] = (short) ((tx_gain*r_re[aa][i]) + sqrt(sigma2/2)*gaussdouble(0.0,1.0)); ((short*) &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][aa][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe])[2*i+1] = (short) ((tx_gain*r_im[aa][i]) + (iqim*tx_gain*r_re[aa][i]) + sqrt(sigma2/2)*gaussdouble(0.0,1.0)); } } if (n_frames==1) { printf("rx_level Null symbol %f\n",10*log10((double)signal_energy((int*)&PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][(PHY_vars_eNB->lte_frame_parms.samples_per_tti<<1) -PHY_vars_eNB->lte_frame_parms.ofdm_symbol_size],OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2))); printf("rx_level data symbol %f\n",10*log10(signal_energy((int*)&PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][160+(PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe)],OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2))); } SNRmeas = 10*log10(((double)signal_energy((int*)&PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][160+(PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe)],OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2))/((double)signal_energy((int*)&PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][(PHY_vars_eNB->lte_frame_parms.samples_per_tti<<1) -PHY_vars_eNB->lte_frame_parms.ofdm_symbol_size],OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2)) - 1)+10*log10(PHY_vars_eNB->lte_frame_parms.N_RB_UL/nb_rb); if (n_frames==1) { printf("SNRmeas %f\n",SNRmeas); // write_output("rxsig0UL.m","rxs0", &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe],PHY_vars_eNB->lte_frame_parms.samples_per_tti,1,1); //write_output("rxsig1UL.m","rxs1", &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe],PHY_vars_eNB->lte_frame_parms.samples_per_tti,1,1); } #ifndef OFDMA_ULSCH remove_7_5_kHz(PHY_vars_eNB,subframe<<1); remove_7_5_kHz(PHY_vars_eNB,1+(subframe<<1)); // write_output("rxsig0_75.m","rxs0_75", &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe],PHY_vars_eNB->lte_frame_parms.samples_per_tti,1,1); // write_output("rxsig1_75.m","rxs1_75", &PHY_vars_eNB->lte_eNB_common_vars.rxdata[0][0][PHY_vars_eNB->lte_frame_parms.samples_per_tti*subframe],PHY_vars_eNB->lte_frame_parms.samples_per_tti,1,1); #endif start_meas(&PHY_vars_eNB->ofdm_demod_stats); lte_eNB_I0_measurements(PHY_vars_eNB, 0, 1); for (l=subframe*PHY_vars_UE->lte_frame_parms.symbols_per_tti;l<((1+subframe)*PHY_vars_UE->lte_frame_parms.symbols_per_tti);l++) { slot_fep_ul(&PHY_vars_eNB->lte_frame_parms, &PHY_vars_eNB->lte_eNB_common_vars, l%(PHY_vars_eNB->lte_frame_parms.symbols_per_tti/2), l/(PHY_vars_eNB->lte_frame_parms.symbols_per_tti/2), 0, 0); } stop_meas(&PHY_vars_eNB->ofdm_demod_stats); PHY_vars_eNB->ulsch_eNB[0]->cyclicShift = cyclic_shift;// cyclic shift for DMRS if(abstx){ namepointer_log2 = &flogeren_name; namepointer_chMag = &fmageren_name; //namepointer_txlev = &ftxlev; } start_meas(&PHY_vars_eNB->ulsch_demodulation_stats); rx_ulsch(PHY_vars_eNB, subframe, 0, // this is the effective sector id 0, // this is the UE_id PHY_vars_eNB->ulsch_eNB, cooperation_flag); stop_meas(&PHY_vars_eNB->ulsch_demodulation_stats); if(abstx){ namepointer_chMag = NULL; if(trials==0 && round==0 && SNR==snr0) { char* namepointer ; namepointer = &fperen_name; write_output(namepointer, "xxx" ,PHY_vars_eNB->lte_eNB_pusch_vars[0]->drs_ch_estimates[0][0],300,1,10); namepointer = NULL ; // flagMag = 1; } } /////// start_meas(&PHY_vars_eNB->ulsch_decoding_stats); ret= ulsch_decoding(PHY_vars_eNB, 0, // UE_id subframe, control_only_flag, 1, // Nbundled llr8_flag); stop_meas(&PHY_vars_eNB->ulsch_decoding_stats); if (cqi_flag > 0) { cqi_error = 0; if (PHY_vars_eNB->ulsch_eNB[0]->Or1 < 32) { for (i=2;i<4;i++) { // printf("cqi %d : %d (%d)\n",i,PHY_vars_eNB->ulsch_eNB[0]->o[i],PHY_vars_UE->ulsch_ue[0]->o[i]); if (PHY_vars_eNB->ulsch_eNB[0]->o[i] != PHY_vars_UE->ulsch_ue[0]->o[i]) cqi_error = 1; } } else { } if (cqi_error == 1) { cqi_errors++; if (PHY_vars_eNB->ulsch_eNB[0]->cqi_crc_status == 1) cqi_crc_falsepositives++; } else { if (PHY_vars_eNB->ulsch_eNB[0]->cqi_crc_status == 0) cqi_crc_falsenegatives++; } } if (PHY_vars_eNB->ulsch_eNB[0]->o_ACK[0] != PHY_vars_UE->ulsch_ue[0]->o_ACK[0]) ack_errors++; // msg("ulsch_coding: O[%d] %d\n",i,o_flip[i]); if (ret <= PHY_vars_eNB->ulsch_eNB[0]->max_turbo_iterations) { avg_iter += ret; iter_trials++; if (n_frames==1) { printf("No ULSCH errors found, o_ACK[0]= %d, cqi_crc_status=%d\n",PHY_vars_eNB->ulsch_eNB[0]->o_ACK[0],PHY_vars_eNB->ulsch_eNB[0]->cqi_crc_status); if (PHY_vars_eNB->ulsch_eNB[0]->cqi_crc_status==1) print_CQI(PHY_vars_eNB->ulsch_eNB[0]->o,PHY_vars_eNB->ulsch_eNB[0]->uci_format,0); dump_ulsch(PHY_vars_eNB,subframe,0); exit(-1); } round=5; } else { avg_iter += ret-1; iter_trials++; errs[round]++; if (n_frames==1) { printf("ULSCH errors found o_ACK[0]= %d\n",PHY_vars_eNB->ulsch_eNB[0]->o_ACK[0]); for (s=0;sulsch_eNB[0]->harq_processes[harq_pid]->C;s++) { if (sulsch_eNB[0]->harq_processes[harq_pid]->Cminus) Kr = PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->Kminus; else Kr = PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->Kplus; Kr_bytes = Kr>>3; printf("Decoded_output (Segment %d):\n",s); for (i=0;iulsch_eNB[0]->harq_processes[harq_pid]->c[s][i],PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->c[s][i]^PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->c[s][i]); } dump_ulsch(PHY_vars_eNB,subframe,0); exit(-1); } // printf("round %d errors %d/%d\n",round,errs[round],trials); round++; if (n_frames==1) { printf("ULSCH in error in round %d\n",round); } } // ulsch error } // round // printf("\n"); if ((errs[0]>=100) && (trials>(n_frames/2))) break; #ifdef XFORMS phy_scope_eNB(form_enb,PHY_vars_eNB,0); #endif } //trials printf("\n**********rb> %d ***mcs : %d *********SNR = %f dB (%f): TX %d dB (gain %f dB), N0W %f dB, I0 %d dB [ (%d,%d) dB / (%d,%d) dB ]**************************\n", nb_rb,mcs,SNR,SNR2, tx_lev_dB, 20*log10(tx_gain), (double)N0, PHY_vars_eNB->PHY_measurements_eNB[0].n0_power_tot_dB, dB_fixed(PHY_vars_eNB->lte_eNB_pusch_vars[0]->ulsch_power[0]), dB_fixed(PHY_vars_eNB->lte_eNB_pusch_vars[0]->ulsch_power[1]), PHY_vars_eNB->PHY_measurements_eNB->n0_power_dB[0], PHY_vars_eNB->PHY_measurements_eNB->n0_power_dB[1]); printf("Errors (%d/%d %d/%d %d/%d %d/%d), Pe = (%e,%e,%e,%e) => effective rate %f (%3.1f%%,%f), normalized delay %f (%f)\n", errs[0], round_trials[0], errs[1], round_trials[1], errs[2], round_trials[2], errs[3], round_trials[3], (double)errs[0]/(round_trials[0]), (double)errs[1]/(round_trials[1]), (double)errs[2]/(round_trials[2]), (double)errs[3]/(round_trials[3]), rate*((double)(round_trials[0])/((double)round_trials[0] + round_trials[1] + round_trials[2] + round_trials[3])), 100*((double)(round_trials[0])/((double)round_trials[0] + round_trials[1] + round_trials[2] + round_trials[3])), rate, (1.0*(round_trials[0]-errs[0])+2.0*(round_trials[1]-errs[1])+3.0*(round_trials[2]-errs[2])+4.0*(round_trials[3]-errs[3]))/((double)round_trials[0])/(double)PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->TBS, (1.0*(round_trials[0]-errs[0])+2.0*(round_trials[1]-errs[1])+3.0*(round_trials[2]-errs[2])+4.0*(round_trials[3]-errs[3]))/((double)round_trials[0])); if (cqi_flag >0) { printf("CQI errors %d/%d,false positives %d/%d, CQI false negatives %d/%d\n", cqi_errors,round_trials[0]+round_trials[1]+round_trials[2]+round_trials[3], cqi_crc_falsepositives,round_trials[0]+round_trials[1]+round_trials[2]+round_trials[3], cqi_crc_falsenegatives,round_trials[0]+round_trials[1]+round_trials[2]+round_trials[3]); } if (PHY_vars_eNB->ulsch_eNB[0]->o_ACK[0] > 0) { printf("ACK/NAK errors %d/%d\n",ack_errors,round_trials[0]+round_trials[1]+round_trials[2]+round_trials[3]); fprintf(bler_fd,"%f;%d;%d;%f;%d;%d;%d;%d;%d;%d;%d;%d\n", SNR, mcs, PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->TBS, rate, errs[0], round_trials[0], errs[1], round_trials[1], errs[2], round_trials[2], errs[3], round_trials[3]); } // fprintf(bler_fdUL,"%f\n",tx_lev); ////hhh if (dump_perf==1) { printf("UE TX function statistics (per 1ms subframe)\n\n"); printf("OFDM_mod time :%f us (%d trials)\n",(double)PHY_vars_UE->ofdm_mod_stats.diff/PHY_vars_UE->ofdm_mod_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ofdm_mod_stats.trials); printf("ULSCH modulation time :%f us (%d trials)\n",(double)PHY_vars_UE->ulsch_modulation_stats.diff/PHY_vars_UE->ulsch_modulation_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_modulation_stats.trials); printf("ULSCH encoding time :%f us (%d trials)\n",(double)PHY_vars_UE->ulsch_encoding_stats.diff/PHY_vars_UE->ulsch_encoding_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_encoding_stats.trials); printf("|__ ULSCH segmentation time :%f us (%d trials)\n",(double)PHY_vars_UE->ulsch_segmentation_stats.diff/PHY_vars_UE->ulsch_segmentation_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_segmentation_stats.trials); printf("|__ ULSCH turbo encoding time :%f us (%d trials)\n",((double)PHY_vars_UE->ulsch_turbo_encoding_stats.trials/PHY_vars_UE->ulsch_encoding_stats.trials)*(double)PHY_vars_UE->ulsch_turbo_encoding_stats.diff/PHY_vars_UE->ulsch_turbo_encoding_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_turbo_encoding_stats.trials); printf("|__ ULSCH rate-matching time :%f us (%d trials)\n",((double)PHY_vars_UE->ulsch_rate_matching_stats.trials/PHY_vars_UE->ulsch_encoding_stats.trials)*(double)PHY_vars_UE->ulsch_rate_matching_stats.diff/PHY_vars_UE->ulsch_rate_matching_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_rate_matching_stats.trials); printf("|__ ULSCH sub-block interleaving time :%f us (%d trials)\n",((double)PHY_vars_UE->ulsch_interleaving_stats.trials/PHY_vars_UE->ulsch_encoding_stats.trials)*(double)PHY_vars_UE->ulsch_interleaving_stats.diff/PHY_vars_UE->ulsch_interleaving_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_interleaving_stats.trials); printf("|__ ULSCH multiplexing time :%f us (%d trials)\n",((double)PHY_vars_UE->ulsch_multiplexing_stats.trials/PHY_vars_UE->ulsch_encoding_stats.trials)*(double)PHY_vars_UE->ulsch_multiplexing_stats.diff/PHY_vars_UE->ulsch_multiplexing_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_UE->ulsch_multiplexing_stats.trials); printf("\n\neNB RX function statistics (per 1ms subframe)\n\n"); printf("OFDM_demod time :%f us (%d trials)\n",(double)PHY_vars_eNB->ofdm_demod_stats.diff/PHY_vars_eNB->ofdm_demod_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ofdm_demod_stats.trials); printf("ULSCH demodulation time :%f us (%d trials)\n",(double)PHY_vars_eNB->ulsch_demodulation_stats.diff/PHY_vars_eNB->ulsch_demodulation_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ulsch_demodulation_stats.trials); printf("ULSCH Decoding time (%.2f Mbit/s, avg iter %f) :%f us (%d trials, max %f)\n", PHY_vars_UE->ulsch_ue[0]->harq_processes[harq_pid]->TBS/1000.0,(double)avg_iter/iter_trials, (double)PHY_vars_eNB->ulsch_decoding_stats.diff/PHY_vars_eNB->ulsch_decoding_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ulsch_decoding_stats.trials, (double)PHY_vars_eNB->ulsch_decoding_stats.max/cpu_freq_GHz/1000.0); printf("|__ sub-block interleaving %f us (%d trials)\n", (double)PHY_vars_eNB->ulsch_deinterleaving_stats.diff/PHY_vars_eNB->ulsch_deinterleaving_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ulsch_deinterleaving_stats.trials); printf("|__ demultiplexing %f us (%d trials)\n", (double)PHY_vars_eNB->ulsch_demultiplexing_stats.diff/PHY_vars_eNB->ulsch_demultiplexing_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ulsch_demultiplexing_stats.trials); printf("|__ rate-matching %f us (%d trials)\n", (double)PHY_vars_eNB->ulsch_rate_unmatching_stats.diff/PHY_vars_eNB->ulsch_rate_unmatching_stats.trials/cpu_freq_GHz/1000.0,PHY_vars_eNB->ulsch_rate_unmatching_stats.trials); printf("|__ turbo_decoder(%d bits) %f us (%d cycles, %d trials)\n", PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->Cminus ? PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->Kminus : PHY_vars_eNB->ulsch_eNB[0]->harq_processes[harq_pid]->Kplus, (double)PHY_vars_eNB->ulsch_turbo_decoding_stats.diff/PHY_vars_eNB->ulsch_turbo_decoding_stats.trials/cpu_freq_GHz/1000.0, (int)((double)PHY_vars_eNB->ulsch_turbo_decoding_stats.diff/PHY_vars_eNB->ulsch_turbo_decoding_stats.trials),PHY_vars_eNB->ulsch_turbo_decoding_stats.trials); printf(" |__ init %f us (cycles/iter %f, %d trials)\n", (double)PHY_vars_eNB->ulsch_tc_init_stats.diff/PHY_vars_eNB->ulsch_tc_init_stats.trials/cpu_freq_GHz/1000.0, (double)PHY_vars_eNB->ulsch_tc_init_stats.diff/PHY_vars_eNB->ulsch_tc_init_stats.trials/((double)avg_iter/iter_trials), PHY_vars_eNB->ulsch_tc_init_stats.trials); printf(" |__ alpha %f us (cycles/iter %f, %d trials)\n", (double)PHY_vars_eNB->ulsch_tc_alpha_stats.diff/PHY_vars_eNB->ulsch_tc_alpha_stats.trials/cpu_freq_GHz/1000.0, (double)PHY_vars_eNB->ulsch_tc_alpha_stats.diff/PHY_vars_eNB->ulsch_tc_alpha_stats.trials*2, PHY_vars_eNB->ulsch_tc_alpha_stats.trials); printf(" |__ beta %f us (cycles/iter %f,%d trials)\n", (double)PHY_vars_eNB->ulsch_tc_beta_stats.diff/PHY_vars_eNB->ulsch_tc_beta_stats.trials/cpu_freq_GHz/1000.0, (double)PHY_vars_eNB->ulsch_tc_beta_stats.diff/PHY_vars_eNB->ulsch_tc_beta_stats.trials*2, PHY_vars_eNB->ulsch_tc_beta_stats.trials); printf(" |__ gamma %f us (cycles/iter %f,%d trials)\n", (double)PHY_vars_eNB->ulsch_tc_gamma_stats.diff/PHY_vars_eNB->ulsch_tc_gamma_stats.trials/cpu_freq_GHz/1000.0, (double)PHY_vars_eNB->ulsch_tc_gamma_stats.diff/PHY_vars_eNB->ulsch_tc_gamma_stats.trials*2, PHY_vars_eNB->ulsch_tc_gamma_stats.trials); printf(" |__ ext %f us (cycles/iter %f,%d trials)\n", (double)PHY_vars_eNB->ulsch_tc_ext_stats.diff/PHY_vars_eNB->ulsch_tc_ext_stats.trials/cpu_freq_GHz/1000.0, (double)PHY_vars_eNB->ulsch_tc_ext_stats.diff/PHY_vars_eNB->ulsch_tc_ext_stats.trials*2, PHY_vars_eNB->ulsch_tc_ext_stats.trials); printf(" |__ intl1 %f us (cycles/iter %f,%d trials)\n", (double)PHY_vars_eNB->ulsch_tc_intl1_stats.diff/PHY_vars_eNB->ulsch_tc_intl1_stats.trials/cpu_freq_GHz/1000.0, (double)PHY_vars_eNB->ulsch_tc_intl1_stats.diff/PHY_vars_eNB->ulsch_tc_intl1_stats.trials, PHY_vars_eNB->ulsch_tc_intl1_stats.trials); printf(" |__ intl2+HD+CRC %f us (cycles/iter %f,%d trials)\n", (double)PHY_vars_eNB->ulsch_tc_intl2_stats.diff/PHY_vars_eNB->ulsch_tc_intl2_stats.trials/cpu_freq_GHz/1000.0, (double)PHY_vars_eNB->ulsch_tc_intl2_stats.diff/PHY_vars_eNB->ulsch_tc_intl2_stats.trials, PHY_vars_eNB->ulsch_tc_intl2_stats.trials); } if(abstx){ //ABSTRACTION blerr= (double)errs[1]/(round_trials[1]); //printf("hata yok XX,"); blerr = (double)errs[0]/(round_trials[0]); if(saving_bler==0) fprintf(csv_fdUL,"%e;\n",blerr); // printf("hata yok XX,"); if(blerr<1) saving_bler = 0; else saving_bler =1; } //ABStraction if (((double)errs[0]/(round_trials[0]))<1e-2) break; } // SNR // //write_output("chestim_f.m","chestf",PHY_vars_eNB->lte_eNB_pusch_vars[0]->drs_ch_estimates[0][0],300*12,2,1); // write_output("chestim_t.m","chestt",PHY_vars_eNB->lte_eNB_pusch_vars[0]->drs_ch_estimates_time[0][0], (frame_parms->ofdm_symbol_size)*2,2,1); /*for (z = 0 ; z < 300*12 ; z++) { ulchestim_f[z] = 0 ; } for (zz = 0 ; zz < (frame_parms->ofdm_symbol_size)*2 ; zz++) { ulchestim_t[z] = 0 ; }*/ }//ch realization // fclose(bler_fdUL); if(abstx){ fperen = fopen(fperen_name,"a+"); fprintf(fperen,"];\n"); fclose(fperen); fmageren = fopen(fmageren_name,"a+"); fprintf(fmageren,"];\n"); fclose(fmageren); flogeren = fopen(flogeren_name,"a+"); fprintf(flogeren,"];\n"); fclose(flogeren); } // ftxlev = fopen(ftxlev_name,"a+"); //fprintf(ftxlev,"];\n"); //fclose(ftxlev); // write_output("chestim_f_dene.m","chestf",ulchestim_f_all,300*12,2,1);*/ if(abstx){// ABSTRACTION fprintf(csv_fdUL,"];"); fclose(csv_fdUL); fclose(bler_fdUL); } fclose(bler_fd); printf("Freeing channel I/O\n"); for (i=0;i<2;i++) { free(s_re[i]); free(s_im[i]); free(r_re[i]); free(r_im[i]); } free(s_re); free(s_im); free(r_re); free(r_im); // lte_sync_time_free(); return(0); }