/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ /*! \file dlsim.c \brief Top-level DL simulator \author R. Knopp \date 2011 - 2014 \version 0.1 \company Eurecom \email: knopp@eurecom.fr \note \warning */ #include <string.h> #include <math.h> #include <unistd.h> #include <execinfo.h> #include <signal.h> #include "SIMULATION/TOOLS/sim.h" #include "PHY/types.h" #include "PHY/defs_eNB.h" #include "PHY/defs_UE.h" #include "PHY/phy_vars.h" #include "SCHED/sched_eNB.h" #include "SCHED/sched_common_vars.h" #include "LAYER2/MAC/mac_vars.h" #include "OCG_vars.h" #include "common/utils/LOG/log.h" #include "UTIL/LISTS/list.h" #include "unitary_defs.h" #include "PHY/TOOLS/lte_phy_scope.h" #include "dummy_functions.c" #include "PHY/MODULATION/modulation_common.h" #include "PHY/MODULATION/modulation_eNB.h" #include "PHY/MODULATION/modulation_UE.h" #include "PHY/LTE_TRANSPORT/transport_proto.h" #include "PHY/LTE_UE_TRANSPORT/transport_proto_ue.h" #include "SCHED/sched_eNB.h" #include "SCHED_UE/sched_UE.h" #include "common/config/config_load_configmodule.h" #include "PHY/INIT/phy_init.h" void feptx_ofdm(RU_t *ru); void feptx_prec(RU_t *ru); double cpuf; #define inMicroS(a) (((double)(a))/(cpu_freq_GHz*1000.0)) //#define MCS_COUNT 23//added for PHY abstraction #include <openair1/SIMULATION/LTE_PHY/common_sim.h> int otg_enabled=0; /*the following parameters are used to control the processing times calculations*/ double t_tx_max = -1000000000; /*!< \brief initial max process time for tx */ double t_rx_max = -1000000000; /*!< \brief initial max process time for rx */ double t_tx_min = 1000000000; /*!< \brief initial min process time for tx */ double t_rx_min = 1000000000; /*!< \brief initial min process time for rx */ int n_tx_dropped = 0; /*!< \brief initial max process time for tx */ int n_rx_dropped = 0; /*!< \brief initial max process time for rx */ THREAD_STRUCT thread_struct; int emulate_rf = 0; void handler(int sig) { void *array[10]; size_t size; // get void*'s for all entries on the stack size = backtrace(array, 10); // print out all the frames to stderr fprintf(stderr, "Error: signal %d:\n", sig); backtrace_symbols_fd(array, size, 2); exit(1); } //DCI2_5MHz_2A_M10PRB_TDD_t DLSCH_alloc_pdu2_2A[2]; DCI1E_5MHz_2A_M10PRB_TDD_t DLSCH_alloc_pdu2_1E[2]; uint64_t DLSCH_alloc_pdu_1[2]; #define UL_RB_ALLOC 0x1ff; #define CCCH_RB_ALLOC computeRIV(eNB->frame_parms.N_RB_UL,0,2) //#define DLSCH_RB_ALLOC 0x1fbf // igore DC component,RB13 //#define DLSCH_RB_ALLOC 0x0001 void do_OFDM_mod_l(int32_t **txdataF, int32_t **txdata, uint16_t next_slot, LTE_DL_FRAME_PARMS *frame_parms) { int aa, slot_offset, slot_offset_F; slot_offset_F = (next_slot)*(frame_parms->ofdm_symbol_size)*((frame_parms->Ncp==1) ? 6 : 7); slot_offset = (next_slot)*(frame_parms->samples_per_tti>>1); for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) { // printf("Thread %d starting ... aa %d (%llu)\n",omp_get_thread_num(),aa,rdtsc()); if (frame_parms->Ncp == 1) PHY_ofdm_mod(&txdataF[aa][slot_offset_F], // input &txdata[aa][slot_offset], // output frame_parms->ofdm_symbol_size, 6, // number of symbols frame_parms->nb_prefix_samples, // number of prefix samples CYCLIC_PREFIX); else { normal_prefix_mod(&txdataF[aa][slot_offset_F], &txdata[aa][slot_offset], 7, frame_parms); } } } void DL_channel(RU_t *ru,PHY_VARS_UE *UE,uint subframe,int awgn_flag,double SNR, int tx_lev,int hold_channel,int abstx, int num_rounds, int trials, int round, channel_desc_t *eNB2UE[4], double *s_re[2],double *s_im[2],double *r_re[2],double *r_im[2],FILE *csv_fd) { int i,u; int aa,aarx,aatx; double channelx,channely; double sigma2_dB,sigma2; double iqim=0.0; // printf("Copying tx ..., nsymb %d (n_tx %d), awgn %d\n",nsymb,eNB->frame_parms.nb_antennas_tx,awgn_flag); for (i=0; i<2*UE->frame_parms.samples_per_tti; i++) { for (aa=0; aa<ru->frame_parms.nb_antennas_tx; aa++) { if (awgn_flag == 0) { s_re[aa][i] = ((double)(((short *)ru->common.txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) + (i<<1)]); s_im[aa][i] = ((double)(((short *)ru->common.txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) +(i<<1)+1]); } else { for (aarx=0; aarx<UE->frame_parms.nb_antennas_rx; aarx++) { if (aa==0) { r_re[aarx][i] = ((double)(((short *)ru->common.txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) +(i<<1)]); r_im[aarx][i] = ((double)(((short *)ru->common.txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) +(i<<1)+1]); } else { r_re[aarx][i] += ((double)(((short *)ru->common.txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) +(i<<1)]); r_im[aarx][i] += ((double)(((short *)ru->common.txdata[aa]))[(2*subframe*UE->frame_parms.samples_per_tti) +(i<<1)+1]); } } } } } // Multipath channel if (awgn_flag == 0) { multipath_channel(eNB2UE[round],s_re,s_im,r_re,r_im, 2*UE->frame_parms.samples_per_tti,hold_channel); // printf("amc: ****************** eNB2UE[%d]->n_rx = %d,dd %d\n",round,eNB2UE[round]->nb_rx,eNB2UE[round]->channel_offset); if(abstx==1 && num_rounds>1) if(round==0 && hold_channel==0) { random_channel(eNB2UE[1],0); random_channel(eNB2UE[2],0); random_channel(eNB2UE[3],0); } if (UE->perfect_ce==1) { // fill in perfect channel estimates freq_channel(eNB2UE[round],UE->frame_parms.N_RB_DL,12*UE->frame_parms.N_RB_DL + 1); /* LOG_M("channel.m","ch",eNB2UE[round]->ch[0],eNB2UE[round]->channel_length,1,8); LOG_M("channelF.m","chF",eNB2UE[round]->chF[0],12*UE->frame_parms.N_RB_DL + 1,1,8); */ } } if(abstx) { if (trials==0 && round==0) { // calculate freq domain representation to compute SINR freq_channel(eNB2UE[0], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1); // snr=pow(10.0,.1*SNR); fprintf(csv_fd,"%f,",SNR); for (u=0; u<2*ru->frame_parms.N_RB_DL; u++) { for (aarx=0; aarx<eNB2UE[0]->nb_rx; aarx++) { for (aatx=0; aatx<eNB2UE[0]->nb_tx; aatx++) { channelx = eNB2UE[0]->chF[aarx+(aatx*eNB2UE[0]->nb_rx)][u].x; channely = eNB2UE[0]->chF[aarx+(aatx*eNB2UE[0]->nb_rx)][u].y; fprintf(csv_fd,"%e+i*(%e),",channelx,channely); } } } if(num_rounds>1) { freq_channel(eNB2UE[1], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1); for (u=0; u<2*ru->frame_parms.N_RB_DL; u++) { for (aarx=0; aarx<eNB2UE[1]->nb_rx; aarx++) { for (aatx=0; aatx<eNB2UE[1]->nb_tx; aatx++) { channelx = eNB2UE[1]->chF[aarx+(aatx*eNB2UE[1]->nb_rx)][u].x; channely = eNB2UE[1]->chF[aarx+(aatx*eNB2UE[1]->nb_rx)][u].y; fprintf(csv_fd,"%e+i*(%e),",channelx,channely); } } } freq_channel(eNB2UE[2], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1); for (u=0; u<2*ru->frame_parms.N_RB_DL; u++) { for (aarx=0; aarx<eNB2UE[2]->nb_rx; aarx++) { for (aatx=0; aatx<eNB2UE[2]->nb_tx; aatx++) { channelx = eNB2UE[2]->chF[aarx+(aatx*eNB2UE[2]->nb_rx)][u].x; channely = eNB2UE[2]->chF[aarx+(aatx*eNB2UE[2]->nb_rx)][u].y; fprintf(csv_fd,"%e+i*(%e),",channelx,channely); } } } freq_channel(eNB2UE[3], ru->frame_parms.N_RB_DL,2*ru->frame_parms.N_RB_DL + 1); for (u=0; u<2*ru->frame_parms.N_RB_DL; u++) { for (aarx=0; aarx<eNB2UE[3]->nb_rx; aarx++) { for (aatx=0; aatx<eNB2UE[3]->nb_tx; aatx++) { channelx = eNB2UE[3]->chF[aarx+(aatx*eNB2UE[3]->nb_rx)][u].x; channely = eNB2UE[3]->chF[aarx+(aatx*eNB2UE[3]->nb_rx)][u].y; fprintf(csv_fd,"%e+i*(%e),",channelx,channely); } } } } } } //AWGN // tx_lev is the average energy over the whole subframe // but SNR should be better defined wrt the energy in the reference symbols sigma2_dB = 10*log10((double)tx_lev) +10*log10((double)ru->frame_parms.ofdm_symbol_size/(double)(ru->frame_parms.N_RB_DL*12)) - SNR; sigma2 = pow(10,sigma2_dB/10); for (i=0; i<2*UE->frame_parms.samples_per_tti; i++) { for (aa=0; aa<UE->frame_parms.nb_antennas_rx; aa++) { //printf("s_re[0][%d]=> %f , r_re[0][%d]=> %f\n",i,s_re[aa][i],i,r_re[aa][i]); ((short*) UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti)+2*i] = (short) (r_re[aa][i] + sqrt(sigma2/2)*gaussdouble(0.0,1.0)); ((short*) UE->common_vars.rxdata[aa])[(2*subframe*UE->frame_parms.samples_per_tti)+2*i+1] = (short) (r_im[aa][i] + (iqim*r_re[aa][i]) + sqrt(sigma2/2)*gaussdouble(0.0,1.0)); } } } uint16_t fill_tx_req(nfapi_tx_request_body_t *tx_req_body, uint16_t absSF, uint16_t pdu_length, uint16_t pdu_index, uint8_t *pdu) { nfapi_tx_request_pdu_t *TX_req = &tx_req_body->tx_pdu_list[tx_req_body->number_of_pdus]; LOG_D(MAC, "Filling TX_req %d for pdu length %d\n", tx_req_body->number_of_pdus, pdu_length); TX_req->pdu_length = pdu_length; TX_req->pdu_index = pdu_index; TX_req->num_segments = 1; TX_req->segments[0].segment_length = pdu_length; TX_req->segments[0].segment_data = pdu; tx_req_body->tl.tag = NFAPI_TX_REQUEST_BODY_TAG; tx_req_body->number_of_pdus++; return (((absSF / 10) << 4) + (absSF % 10)); } void fill_dlsch_config(nfapi_dl_config_request_body_t * dl_req, uint16_t length, uint16_t pdu_index, uint16_t rnti, uint8_t resource_allocation_type, uint8_t virtual_resource_block_assignment_flag, uint16_t resource_block_coding, uint8_t modulation, uint8_t redundancy_version, uint8_t transport_blocks, uint8_t transport_block_to_codeword_swap_flag, uint8_t transmission_scheme, uint8_t number_of_layers, uint8_t number_of_subbands, // uint8_t codebook_index, uint8_t ue_category_capacity, uint8_t pa, uint8_t delta_power_offset_index, uint8_t ngap, uint8_t nprb, uint8_t transmission_mode, uint8_t num_bf_prb_per_subband, uint8_t num_bf_vector) { nfapi_dl_config_request_pdu_t *dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu]; memset((void *) dl_config_pdu, 0, sizeof(nfapi_dl_config_request_pdu_t)); dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DLSCH_PDU_TYPE; dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dlsch_pdu)); dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL8_TAG; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.length = length; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index = pdu_index; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = rnti; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = resource_allocation_type; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.virtual_resource_block_assignment_flag = virtual_resource_block_assignment_flag; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_block_coding = resource_block_coding; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.modulation = modulation; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.redundancy_version = redundancy_version; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_blocks = transport_blocks; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_block_to_codeword_swap_flag = transport_block_to_codeword_swap_flag; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_scheme = transmission_scheme; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_layers = number_of_layers; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_subbands = number_of_subbands; // dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.codebook_index = codebook_index; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ue_category_capacity = ue_category_capacity; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pa = pa; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.delta_power_offset_index = delta_power_offset_index; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ngap = ngap; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.nprb = nprb; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_mode = transmission_mode; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_prb_per_subband = num_bf_prb_per_subband; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_vector = num_bf_vector; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.initial_transmission_sf_io = 0xFFFF; dl_req->number_pdu++; } void fill_DCI(PHY_VARS_eNB *eNB, int frame, int subframe, Sched_Rsp_t *sched_resp, uint8_t input_buffer[NUMBER_OF_UE_MAX][20000], int n_rnti, int n_users, int transmission_mode, int retrans, int common_flag, int NB_RB, int DLSCH_RB_ALLOC, int TPC, int mcs1, int mcs2, int ndi, int rv, int pa, int *num_common_dci, int *num_ue_spec_dci, int *num_dci) { int k; nfapi_dl_config_request_body_t *dl_req=&sched_resp->DL_req->dl_config_request_body; nfapi_dl_config_request_pdu_t *dl_config_pdu; nfapi_tx_request_body_t *TX_req=&sched_resp->TX_req->tx_request_body; int NB_RB4TBS = common_flag == 0 ? NB_RB : (2+TPC); dl_req->number_dci=0; dl_req->number_pdu=0; TX_req->number_of_pdus=0; for(k=0; k<n_users; k++) { switch(transmission_mode) { case 1: case 2: case 7: dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu]; memset((void *) dl_config_pdu, 0, sizeof(nfapi_dl_config_request_pdu_t)); dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE; dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dci_dl_pdu)); dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format = (common_flag == 0) ? NFAPI_DL_DCI_FORMAT_1 : NFAPI_DL_DCI_FORMAT_1A; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level = 4; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DCI_DL_PDU_REL8_TAG; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti = (common_flag == 0) ? n_rnti+k : SI_RNTI; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type = (common_flag ==0 ) ? 1: 2; // CRNTI : see Table 4-10 from SCF082 - nFAPI specifications dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.transmission_power = 6000; // equal to RS power dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process = 0; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tpc = TPC; // dont adjust power when retransmitting dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.new_data_indicator_1 = (common_flag == 0) ? ndi : 0; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.mcs_1 = mcs1; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.redundancy_version_1 = rv; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = (common_flag == 0) ? DLSCH_RB_ALLOC : computeRIV(eNB->frame_parms.N_RB_DL,0,NB_RB); //deactivate second codeword dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.mcs_2 = 0; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.redundancy_version_2 = 1; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.downlink_assignment_index = 0; dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.cce_idx = 0; dl_req->number_dci++; dl_req->number_pdu++; dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG; AssertFatal(TPC>=0 && TPC<2, "TPC should be 0 or 1\n"); fill_dlsch_config(dl_req, get_TBS_DL(mcs1,NB_RB4TBS), (retrans > 0) ? -1 : 0, /* retransmission, no pdu_index */ (common_flag == 0) ? n_rnti : SI_RNTI, 0, // type 0 allocation from 7.1.6 in 36.213 0, // virtual_resource_block_assignment_flag, unused here DLSCH_RB_ALLOC, // resource_block_coding, get_Qm(mcs1), rv, // redundancy version 1, // transport blocks 0, // transport block to codeword swap flag transmission_mode == 1 ? 0 : 1, // transmission_scheme 1, // number of layers 1, // number of subbands // uint8_t codebook_index, 4, // UE category capacity pa, // pa 0, // delta_power_offset for TM5 0, // ngap 0, // nprb transmission_mode, 0, //number of PRBs treated as one subband, not used here 0 // number of beamforming vectors, not used here ); fill_tx_req(TX_req, (frame * 10) + subframe, get_TBS_DL(mcs1,NB_RB4TBS), 0, input_buffer[k]); break; case 3: if (common_flag == 0) { if (eNB->frame_parms.nb_antennas_tx == 2) { if (eNB->frame_parms.frame_type == TDD) { } else { } } } break; case 4: if (common_flag == 0) { if (eNB->frame_parms.nb_antennas_tx == 2) { if (eNB->frame_parms.frame_type == TDD) { } else { } } else if (eNB->frame_parms.nb_antennas_tx == 4) { } } else { } break; case 5: case 6: break; default: printf("Unsupported Transmission Mode %d!!!\n",transmission_mode); exit(-1); break; } } *num_dci = dl_req->number_dci; *num_ue_spec_dci = dl_req->number_dci; *num_common_dci = 0; } int n_users = 1; int subframe=7; int num_common_dci=0,num_ue_spec_dci=0,num_dci=0,num_pdcch_symbols=1; uint16_t n_rnti=0x1234; int nfapi_mode=0; int abstx=0; int Nid_cell=0; int N_RB_DL=25; int tdd_config=3; int dci_flag=0; int threequarter_fs=0; double snr_step=1,input_snr_step=1, snr_int=30; double forgetting_factor=0.0; //in [0,1] 0 means a new channel every time, 1 means keep the same channel int test_perf=0; int n_frames; int n_ch_rlz = 1; int rx_sample_offset = 0; int xforms=0; int dump_table=0; int loglvl=OAILOG_WARNING; int mcs1=0,mcs2=0,mcs_i=0,dual_stream_UE = 0,awgn_flag=0; int two_thread_flag=0; int num_rounds = 4;//,fix_rounds=0; int perfect_ce = 0; int extended_prefix_flag=0; int verbose=0, help=0; double SNR,snr0=-2.0,snr1,rate = 0; int print_perf=0; int main(int argc, char **argv) { int k,i,j,aa; int re; int s,Kr,Kr_bytes; LTE_DL_FRAME_PARMS *frame_parms; double s_re0[30720*2],s_im0[30720*2],r_re0[30720*2],r_im0[30720*2]; double s_re1[30720*2],s_im1[30720*2],r_re1[30720*2],r_im1[30720*2]; double *s_re[2]={s_re0,s_re1}; double *s_im[2]={s_im0,s_im1}; double *r_re[2]={r_re0,r_re1}; double *r_im[2]={r_im0,r_im1}; uint8_t transmission_mode=1,n_tx_port=1,n_tx_phy=1,n_rx=2; int eNB_id = 0; unsigned char round; unsigned char i_mod = 2; int NB_RB; SCM_t channel_model=Rayleigh1; // unsigned char *input_data,*decoded_output; DCI_ALLOC_t da; DCI_ALLOC_t *dci_alloc = &da; unsigned int coded_bits_per_codeword=0,nsymb; //,tbs=0; unsigned int tx_lev=0,tx_lev_dB=0,trials; unsigned int errs[4],errs2[4],round_trials[4],dci_errors[4];//,num_layers; memset(errs,0,4*sizeof(unsigned int)); memset(errs2,0,4*sizeof(unsigned int)); memset(round_trials,0,4*sizeof(unsigned int)); memset(dci_errors,0,4*sizeof(unsigned int)); //int re_allocated; char fname[32],vname[32]; FILE *bler_fd; char bler_fname[256]; FILE *time_meas_fd; char time_meas_fname[256]; // FILE *tikz_fd; // char tikz_fname[256]; FILE *input_trch_fd=NULL; unsigned char input_trch_file=0; FILE *input_fd=NULL; unsigned char input_file=0; channel_desc_t *eNB2UE[4]; //uint8_t num_pdcch_symbols_2=0; //char stats_buffer[4096]; //int len; //int u; int n=0; //int iii; int ch_realization; //int pmi_feedback=0; int hold_channel=0; // void *data; // int ii; // int bler; double blerr[4]; short *uncoded_ber_bit=NULL; int osf=1; frame_t frame_type = FDD; FD_lte_phy_scope_ue *form_ue = NULL; char title[255]; int numCCE=0; //int dci_length_bytes=0,dci_length=0; //double channel_bandwidth = 5.0, sampling_rate=7.68; int common_flag=0,TPC=0; double cpu_freq_GHz; // time_stats_t ts;//,sts,usts; int avg_iter,iter_trials; int rballocset=0; int test_passed=0; double effective_rate=0.0; char channel_model_input[10]="I"; int TB0_active = 1; // LTE_DL_UE_HARQ_t *dlsch0_ue_harq; // LTE_DL_eNB_HARQ_t *dlsch0_eNB_harq; uint8_t Kmimo; uint8_t ue_category=4; uint32_t Nsoft; int sf; int CCE_table[800]; opp_enabled=1; // to enable the time meas FILE *csv_fd=NULL; char csv_fname[FILENAME_MAX]; int DLSCH_RB_ALLOC = 0; int dci_received; PHY_VARS_eNB *eNB; RU_t *ru; PHY_VARS_UE *UE; nfapi_dl_config_request_t DL_req; nfapi_ul_config_request_t UL_req; nfapi_hi_dci0_request_t HI_DCI0_req; nfapi_dl_config_request_pdu_t dl_config_pdu_list[MAX_NUM_DL_PDU]; nfapi_tx_request_pdu_t tx_pdu_list[MAX_NUM_TX_REQUEST_PDU]; nfapi_tx_request_t TX_req; Sched_Rsp_t sched_resp; int pa=dB0; #if defined(__arm__) FILE *proc_fd = NULL; char buf[64]; proc_fd = fopen("/sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq", "r"); if(!proc_fd) printf("cannot open /sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq"); else { while(fgets(buf, 63, proc_fd)) printf("%s", buf); } fclose(proc_fd); cpu_freq_GHz = ((double)atof(buf))/1e6; #else cpu_freq_GHz = get_cpu_freq_GHz(); #endif printf("Detected cpu_freq %f GHz\n",cpu_freq_GHz); memset((void*)&sched_resp,0,sizeof(sched_resp)); sched_resp.DL_req = &DL_req; sched_resp.UL_req = &UL_req; sched_resp.HI_DCI0_req = &HI_DCI0_req; sched_resp.TX_req = &TX_req; memset((void*)&DL_req,0,sizeof(DL_req)); memset((void*)&UL_req,0,sizeof(UL_req)); memset((void*)&HI_DCI0_req,0,sizeof(HI_DCI0_req)); memset((void*)&TX_req,0,sizeof(TX_req)); DL_req.dl_config_request_body.dl_config_pdu_list = dl_config_pdu_list; TX_req.tx_request_body.tx_pdu_list = tx_pdu_list; set_parallel_conf("PARALLEL_SINGLE_THREAD"); cpuf = cpu_freq_GHz; //signal(SIGSEGV, handler); //signal(SIGABRT, handler); // default parameters n_frames = 1000; snr0 = 0; // num_layers = 1; perfect_ce = 0; static paramdef_t options[] = { { "awgn", "Use AWGN channel and not multipath", PARAMFLAG_BOOL, strptr:NULL, defintval:0, TYPE_INT, 0, NULL, NULL }, { "Abstx", "Turns on calibration mode for abstraction.", PARAMFLAG_BOOL, iptr:&abstx, defintval:0, TYPE_INT, 0 }, { "bTDD", "Set the tdd configuration mode",0, iptr:&tdd_config, defintval:3, TYPE_INT, 0 }, { "BnbRBs", "The LTE bandwith in RBs (100 is 20MHz)",0, iptr:&N_RB_DL, defintval:25, TYPE_INT, 0 }, { "cPdcch", "Number of PDCCH symbols",0, iptr:&num_pdcch_symbols, defintval:1, TYPE_INT, 0 }, { "CnidCell", "The cell id ",0, iptr:&Nid_cell, defintval:0, TYPE_INT, 0 }, { "dciFlag", "Transmit the DCI and compute its error statistics", PARAMFLAG_BOOL, iptr:&dci_flag, defintval:0, TYPE_INT, 0 }, { "Dtdd", "Enable tdd", PARAMFLAG_BOOL, strptr:NULL, defintval:0, TYPE_INT, 0, NULL, NULL }, { "eRounds", "Number of rounds",0, iptr:NULL, defintval:25, TYPE_INT, 0 }, { "EsubSampling","three quarters sub-sampling",PARAMFLAG_BOOL, iptr:&threequarter_fs, defintval:0, TYPE_INT, 0 }, { "f_snr_step", "step size of SNR, default value is 1.",0, dblptr:&input_snr_step, defdblval:1, TYPE_DOUBLE, 0 }, { "Forgetting", "forgetting factor (0 new channel every trial, 1 channel constant)",0, dblptr:&forgetting_factor, defdblval:0.0, TYPE_DOUBLE, 0 }, { "input_file", "input IQ data file",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, { "Input_file_trch", " Input filename for TrCH data (binary)",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, { "WtwoThreads", "two_thread_flag", PARAMFLAG_BOOL, iptr:&two_thread_flag, defintval:0, TYPE_INT, 0 }, { "lMuMimo", "offset_mumimo_llr_drange_fix",0, u8ptr:&offset_mumimo_llr_drange_fix, defintval:0, TYPE_UINT8, 0 }, { "mcs1", "The MCS for TB 1", 0, iptr:&mcs1, defintval:0, TYPE_INT, 0 }, { "Mcs2", "The MCS for TB 2", 0, iptr:&mcs2, defintval:0, TYPE_INT, 0 }, { "Operf", "Set the percenatge of effective rate to testbench the modem performance (typically 30 and 70, range 1-100)",0, iptr:&test_perf, defintval:0, TYPE_INT, 0 }, { "tmcs_i", "MCS of interfering UE",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, { "nb_frame", "number of frame in a test",0, iptr:&n_frames, defintval:1, TYPE_INT, 0 }, { "offsetRxSample", "Sample offset for receiver", 0, iptr:&rx_sample_offset, defintval:0, TYPE_INT, 0 }, { "rballocset", "ressource block allocation (see section 7.1.6.3 in 36.213)",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, { "snr", "Starting SNR, runs from SNR to SNR+%.1fdB in steps of %.1fdB. If n_frames is 1 then just SNR is simulated and MATLAB/OCTAVE output is generated", dblptr:&snr0, defdblval:-2.0, TYPE_DOUBLE, 0 }, { "wsnrInterrupt", "snr int ?", 0, dblptr:&snr_int, defdblval:30, TYPE_DOUBLE, 0 }, { "N_ch_rlzN0", "Determines the number of Channel Realizations in Abstraction mode. Default value is 1",0, iptr:&n_ch_rlz, defintval:1, TYPE_INT, 0 }, { "prefix_extended","Enable extended prefix", PARAMFLAG_BOOL, iptr:&extended_prefix_flag, defintval:0, TYPE_INT, 0 }, { "RNumRound", "Number of HARQ rounds (fixed)",0, iptr:&num_rounds, defintval:4, TYPE_INT, 0 }, { "Subframe", "subframe ",0, iptr:&subframe, defintval:7, TYPE_INT, 0 }, { "Trnti", "rnti",0, u16ptr:&n_rnti, defuintval:0x1234, TYPE_UINT16, 0 }, { "vi_mod", "i_mod",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, { "Qparallel", "Enable parallel execution",0, strptr:NULL, defstrval:NULL, TYPE_STRING, 0 }, { "Performance", "Display CPU perfomance of each L1 piece", PARAMFLAG_BOOL, iptr:&print_perf, defintval:0, TYPE_INT, 0 }, { "q_tx_port", "Number of TX antennas ports used in eNB",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, { "uEdual", "Enables the Interference Aware Receiver for TM5 (default is normal receiver)",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, { "xTransmission","Transmission mode (1,2,6,7 for the moment)",0, iptr:NULL, defintval:25, TYPE_INT, 0 }, { "yn_tx_phy","Number of TX antennas used in eNB",0, iptr:NULL, defintval:25, TYPE_INT, 0 }, { "XForms", "Display the soft scope", PARAMFLAG_BOOL, iptr:&xforms, defintval:0, TYPE_INT, 0 }, { "Yperfect_ce","Perfect CE", PARAMFLAG_BOOL, iptr:&perfect_ce, defintval:0, TYPE_INT, 0 }, { "Zdump", "dump table",PARAMFLAG_BOOL, iptr:&dump_table, defintval:0, TYPE_INT, 0 }, { "Loglvl", "log level",0, iptr:&loglvl, defintval:OAILOG_DEBUG, TYPE_INT, 0 }, { "zn_rx", "Number of RX antennas used in UE",0, iptr:NULL, defintval:2, TYPE_INT, 0 }, { "gchannel", "[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')",0, strptr:NULL, defstrval:NULL, TYPE_STRING, 0 }, { "verbose", "display debug text", PARAMFLAG_BOOL, iptr:&verbose, defintval:0, TYPE_INT, 0 }, { "help", "display help and exit", PARAMFLAG_BOOL, iptr:&help, defintval:0, TYPE_INT, 0 }, { "", "",0, iptr:NULL, defintval:0, TYPE_INT, 0 }, }; struct option * long_options = parse_oai_options(options); int option_index; int res; while ((res=getopt_long_only(argc, argv, "", long_options, &option_index)) == 0) { if (options[option_index].voidptr != NULL ) { if (long_options[option_index].has_arg==no_argument) *(bool *)options[option_index].iptr=1; else switch (options[option_index].type) { case TYPE_INT: *(int *)options[option_index].iptr=atoi(optarg); break; case TYPE_DOUBLE: *(double *)options[option_index].dblptr=atof(optarg); break; case TYPE_UINT8: *(uint8_t *)options[option_index].dblptr=atoi(optarg); break; case TYPE_UINT16: *(uint16_t *)options[option_index].dblptr=atoi(optarg); break; default: printf("not decoded type.\n"); exit(1); } continue; } switch (long_options[option_index].name[0]) { case 'a': awgn_flag = 1; channel_model = AWGN; break; case 'D': frame_type=TDD; break; case 'e': num_rounds=1; common_flag = 1; TPC = atoi(optarg); break; case 'i': input_fd = fopen(optarg,"r"); input_file=1; dci_flag = 1; break; case 'I': input_trch_fd = fopen(optarg,"r"); input_trch_file=1; break; case 't': mcs_i = atoi(optarg); i_mod = get_Qm(mcs_i); break; case 'r': DLSCH_RB_ALLOC = atoi(optarg); rballocset = 1; break; case 'g': strncpy(channel_model_input,optarg,9); struct tmp { char opt; int m; int M; } tmp[]= { {'A',SCM_A,2}, {'B',SCM_B,3}, {'C',SCM_C,4}, {'D',SCM_D,5}, {'E',EPA,6}, {'F',EVA,6}, {'G',ETU,8}, {'H',Rayleigh8,9}, {'I',Rayleigh1,10}, {'J',Rayleigh1_corr,11}, {'K',Rayleigh1_anticorr,12}, {'L',Rice8,13}, {'M',Rice1,14}, {'N',AWGN,1}, {0,0,0} }; struct tmp *ptr; for (ptr=tmp; ptr->opt!=0; ptr++) if ( ptr->opt == optarg[0] ) { channel_model=ptr->m; break; } AssertFatal(ptr->opt != 0, "Unsupported channel model: %s !\n", optarg ); break; case 'u': dual_stream_UE=1; UE->use_ia_receiver = 1; if ((n_tx_port!=2) || (transmission_mode!=5)) { printf("IA receiver only supported for TM5!"); exit(-1); } break; case 'v': i_mod = atoi(optarg); if (i_mod!=2 && i_mod!=4 && i_mod!=6) { printf("Wrong i_mod %d, should be 2,4 or 6\n",i_mod); exit(-1); } break; case 'q': n_tx_port=atoi(optarg); if ((n_tx_port==0) || ((n_tx_port>2))) { printf("Unsupported number of cell specific antennas ports %d\n",n_tx_port); exit(-1); } break; case 'x': transmission_mode=atoi(optarg); if ((transmission_mode!=1) && (transmission_mode!=2) && (transmission_mode!=3) && (transmission_mode!=4) && (transmission_mode!=5) && (transmission_mode!=6) && (transmission_mode!=7)) { printf("Unsupported transmission mode %d\n",transmission_mode); exit(-1); } if (transmission_mode>1 && transmission_mode<7) { n_tx_port = 2; } break; case 'y': n_tx_phy=atoi(optarg); if (n_tx_phy < n_tx_port) { printf("n_tx_phy mush not be smaller than n_tx_port"); exit(-1); } if ((transmission_mode>1 && transmission_mode<7) && n_tx_port<2) { printf("n_tx_port must be >1 for transmission_mode %d\n",transmission_mode); exit(-1); } if (transmission_mode==7 && (n_tx_phy!=1 && n_tx_phy!=2 && n_tx_phy!=4 && n_tx_phy!=8 && n_tx_phy!=16 && n_tx_phy!=64 && n_tx_phy!=128)) { printf("Physical number of antennas not supported for TM7.\n"); exit(-1); } break; case 'z': n_rx=atoi(optarg); if ((n_rx==0) || (n_rx>2)) { printf("Unsupported number of rx antennas %d\n",n_rx); exit(-1); } break; case 'Q': set_parallel_conf(optarg); break; default: printf("Wrong option: %s\n",long_options[option_index].name); exit(1); break; } } if ( res != -1 ) { printf("A wrong option has been found\n"); exit(1); } if (help || verbose ) display_options_values(options, true); if (help) exit(0); if (thread_struct.parallel_conf != PARALLEL_SINGLE_THREAD) set_worker_conf("WORKER_ENABLE"); if (transmission_mode>1) pa=dBm3; printf("dlsim: tmode %d, pa %d\n",transmission_mode,pa); AssertFatal(load_configmodule(argc,argv, CONFIG_ENABLECMDLINEONLY) != NULL, "cannot load configuration module, exiting\n"); logInit(); set_glog_onlinelog(true); // enable these lines if you need debug info set_glog(loglvl); SET_LOG_DEBUG(UE_TIMING); // moreover you need to init itti with the following line // however itti will catch all signals, so ctrl-c won't work anymore // alternatively you can disable ITTI completely in CMakeLists.txt //itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info, messages_definition_xml, NULL); if (common_flag == 0) { switch (N_RB_DL) { case 6: if (rballocset==0) DLSCH_RB_ALLOC = 0x3f; num_pdcch_symbols = 3; break; case 25: if (rballocset==0) DLSCH_RB_ALLOC = 0x1fff; break; case 50: if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffff; break; case 100: if (rballocset==0) DLSCH_RB_ALLOC = 0x1ffffff; break; } NB_RB = conv_nprb(0,DLSCH_RB_ALLOC,N_RB_DL); } else { if (rballocset==0) NB_RB = 8; else NB_RB = DLSCH_RB_ALLOC; AssertFatal(NB_RB <= N_RB_DL,"illegal NB_RB %d\n",NB_RB); } if (xforms==1) { fl_initialize (&argc, argv, NULL, 0, 0); form_ue = create_lte_phy_scope_ue(); sprintf (title, "LTE PHY SCOPE eNB"); fl_show_form (form_ue->lte_phy_scope_ue, FL_PLACE_HOTSPOT, FL_FULLBORDER, title); if (!dual_stream_UE==0) { UE->use_ia_receiver = 1; fl_set_button(form_ue->button_0,1); fl_set_object_label(form_ue->button_0, "IA Receiver ON"); fl_set_object_color(form_ue->button_0, FL_GREEN, FL_GREEN); } } if (transmission_mode==5) { n_users = 2; printf("dual_stream_UE=%d\n", dual_stream_UE); } RC.nb_L1_inst = 1; RC.nb_RU = 1; lte_param_init(&eNB,&UE,&ru, n_tx_port, n_tx_phy, 1, n_rx, transmission_mode, extended_prefix_flag, frame_type, Nid_cell, tdd_config, N_RB_DL, pa, threequarter_fs, osf, perfect_ce); RC.eNB = (PHY_VARS_eNB ***)malloc(sizeof(PHY_VARS_eNB **)); RC.eNB[0] = (PHY_VARS_eNB **)malloc(sizeof(PHY_VARS_eNB *)); RC.ru = (RU_t **)malloc(sizeof(RC.ru)); RC.eNB[0][0] = eNB; RC.ru[0] = ru; printf("lte_param_init done\n"); if ((transmission_mode==1) || (transmission_mode==7)) { for (aa=0; aa<ru->nb_tx; aa++) for (re=0; re<ru->frame_parms.ofdm_symbol_size; re++) ru->beam_weights[0][0][aa][re] = 0x00007fff/eNB->frame_parms.nb_antennas_tx; } if (transmission_mode<7) ru->do_precoding=0; else ru->do_precoding=1; eNB->mac_enabled=1; if(get_thread_worker_conf() == WORKER_ENABLE) { extern void init_td_thread(PHY_VARS_eNB *); extern void init_te_thread(PHY_VARS_eNB *); init_td_thread(eNB); init_te_thread(eNB); } // callback functions required for phy_procedures_tx // eNB_id_i = UE->n_connected_eNB; printf("Setting mcs1 = %d\n",mcs1); printf("Setting mcs2 = %d\n",mcs2); printf("NPRB = %d\n",NB_RB); printf("n_frames = %d\n",n_frames); printf("Transmission mode %d with %dx%d antenna configuration, Extended Prefix %d\n",transmission_mode,n_tx_phy,n_rx,extended_prefix_flag); snr1 = snr0+snr_int; printf("SNR0 %f, SNR1 %f\n",snr0,snr1); uint8_t input_buffer[NUMBER_OF_UE_MAX][20000]; for (i=0;i<n_users;i++) for (j=0;j<20000;j++) input_buffer[i][j] = (uint8_t)((taus())&255); frame_parms = &eNB->frame_parms; nsymb = (eNB->frame_parms.Ncp == 0) ? 14 : 12; printf("Channel Model= (%s,%d)\n",channel_model_input, channel_model); printf("SCM-A=%d, SCM-B=%d, SCM-C=%d, SCM-D=%d, EPA=%d, EVA=%d, ETU=%d, Rayleigh8=%d, Rayleigh1=%d, Rayleigh1_corr=%d, Rayleigh1_anticorr=%d, Rice1=%d, Rice8=%d\n", SCM_A, SCM_B, SCM_C, SCM_D, EPA, EVA, ETU, Rayleigh8, Rayleigh1, Rayleigh1_corr, Rayleigh1_anticorr, Rice1, Rice8); if(transmission_mode==5) sprintf(bler_fname,"bler_tx%d_chan%d_nrx%d_mcs%d_mcsi%d_u%d_imod%d.csv",transmission_mode,channel_model,n_rx,mcs1,mcs_i,dual_stream_UE,i_mod); else sprintf(bler_fname,"bler_tx%d_chan%d_nrx%d_mcs%d.csv",transmission_mode,channel_model,n_rx,mcs1); bler_fd = fopen(bler_fname,"w"); if (bler_fd==NULL) { fprintf(stderr,"Cannot create file %s!\n",bler_fname); exit(-1); } fprintf(bler_fd,"SNR; MCS; TBS; rate; err0; trials0; err1; trials1; err2; trials2; err3; trials3; dci_err\n"); if (test_perf != 0) { char hostname[1024]; hostname[1023] = '\0'; gethostname(hostname, 1023); printf("Hostname: %s\n", hostname); //char dirname[FILENAME_MAX]; //sprintf(dirname, "%s/SIMU/USER/pre-ci-logs-%s", getenv("OPENAIR_TARGETS"),hostname ); sprintf(time_meas_fname,"time_meas_prb%d_mcs%d_anttx%d_antrx%d_pdcch%d_channel%s_tx%d.csv", N_RB_DL,mcs1,n_tx_phy,n_rx,num_pdcch_symbols,channel_model_input,transmission_mode); //mkdir(dirname,0777); time_meas_fd = fopen(time_meas_fname,"w"); if (time_meas_fd==NULL) { fprintf(stderr,"Cannot create file %s!\n",time_meas_fname); exit(-1); } } if(abstx) { // CSV file sprintf(csv_fname,"dataout_tx%d_u2%d_mcs%d_chan%d_nsimus%d_R%d.m",transmission_mode,dual_stream_UE,mcs1,channel_model,n_frames,num_rounds); csv_fd = fopen(csv_fname,"w"); fprintf(csv_fd,"data_all%d=[",mcs1); if (csv_fd==NULL) { fprintf(stderr,"Cannot create file %s!\n",csv_fname); exit(-1); } } /* //sprintf(tikz_fname, "second_bler_tx%d_u2=%d_mcs%d_chan%d_nsimus%d.tex",transmission_mode,dual_stream_UE,mcs,channel_model,n_frames); sprintf(tikz_fname, "second_bler_tx%d_u2%d_mcs%d_chan%d_nsimus%d",transmission_mode,dual_stream_UE,mcs,channel_model,n_frames); tikz_fd = fopen(tikz_fname,"w"); //fprintf(tikz_fd,"\\addplot[color=red, mark=o] plot coordinates {"); switch (mcs) { case 0: fprintf(tikz_fd,"\\addplot[color=blue, mark=star] plot coordinates {"); break; case 1: fprintf(tikz_fd,"\\addplot[color=red, mark=star] plot coordinates {"); break; case 2: fprintf(tikz_fd,"\\addplot[color=green, mark=star] plot coordinates {"); break; case 3: fprintf(tikz_fd,"\\addplot[color=yellow, mark=star] plot coordinates {"); break; case 4: fprintf(tikz_fd,"\\addplot[color=black, mark=star] plot coordinates {"); break; case 5: fprintf(tikz_fd,"\\addplot[color=blue, mark=o] plot coordinates {"); break; case 6: fprintf(tikz_fd,"\\addplot[color=red, mark=o] plot coordinates {"); break; case 7: fprintf(tikz_fd,"\\addplot[color=green, mark=o] plot coordinates {"); break; case 8: fprintf(tikz_fd,"\\addplot[color=yellow, mark=o] plot coordinates {"); break; case 9: fprintf(tikz_fd,"\\addplot[color=black, mark=o] plot coordinates {"); break; case 10: fprintf(tikz_fd,"\\addplot[color=blue, mark=square] plot coordinates {"); break; case 11: fprintf(tikz_fd,"\\addplot[color=red, mark=square] plot coordinates {"); break; case 12: fprintf(tikz_fd,"\\addplot[color=green, mark=square] plot coordinates {"); break; case 13: fprintf(tikz_fd,"\\addplot[color=yellow, mark=square] plot coordinates {"); break; case 14: fprintf(tikz_fd,"\\addplot[color=black, mark=square] plot coordinates {"); break; case 15: fprintf(tikz_fd,"\\addplot[color=blue, mark=diamond] plot coordinates {"); break; case 16: fprintf(tikz_fd,"\\addplot[color=red, mark=diamond] plot coordinates {"); break; case 17: fprintf(tikz_fd,"\\addplot[color=green, mark=diamond] plot coordinates {"); break; case 18: fprintf(tikz_fd,"\\addplot[color=yellow, mark=diamond] plot coordinates {"); break; case 19: fprintf(tikz_fd,"\\addplot[color=black, mark=diamond] plot coordinates {"); break; case 20: fprintf(tikz_fd,"\\addplot[color=blue, mark=x] plot coordinates {"); break; case 21: fprintf(tikz_fd,"\\addplot[color=red, mark=x] plot coordinates {"); break; case 22: fprintf(tikz_fd,"\\addplot[color=green, mark=x] plot coordinates {"); break; case 23: fprintf(tikz_fd,"\\addplot[color=yellow, mark=x] plot coordinates {"); break; case 24: fprintf(tikz_fd,"\\addplot[color=black, mark=x] plot coordinates {"); break; case 25: fprintf(tikz_fd,"\\addplot[color=blue, mark=x] plot coordinates {"); break; case 26: fprintf(tikz_fd,"\\addplot[color=red, mark=+] plot coordinates {"); break; case 27: fprintf(tikz_fd,"\\addplot[color=green, mark=+] plot coordinates {"); break; case 28: fprintf(tikz_fd,"\\addplot[color=yellow, mark=+] plot coordinates {"); break; } */ UE->pdcch_vars[UE->current_thread_id[subframe]][0]->crnti = n_rnti; UE->n_connected_eNB = 1; printf("Allocating %dx%d eNB->UE channel descriptor\n",eNB->frame_parms.nb_antennas_tx,UE->frame_parms.nb_antennas_rx); eNB2UE[0] = new_channel_desc_scm(eNB->frame_parms.nb_antennas_tx, UE->frame_parms.nb_antennas_rx, channel_model, N_RB2sampling_rate(eNB->frame_parms.N_RB_DL), N_RB2channel_bandwidth(eNB->frame_parms.N_RB_DL), forgetting_factor, rx_sample_offset, 0); reset_meas(&eNB2UE[0]->random_channel); reset_meas(&eNB2UE[0]->interp_time); if(num_rounds>1) { for(n=1; n<4; n++) { eNB2UE[n] = new_channel_desc_scm(eNB->frame_parms.nb_antennas_tx, UE->frame_parms.nb_antennas_rx, channel_model, N_RB2sampling_rate(eNB->frame_parms.N_RB_DL), N_RB2channel_bandwidth(eNB->frame_parms.N_RB_DL), forgetting_factor, rx_sample_offset, 0); reset_meas(&eNB2UE[n]->random_channel); reset_meas(&eNB2UE[n]->interp_time); } } if (eNB2UE[0]==NULL) { printf("Problem generating channel model. Exiting.\n"); exit(-1); } if ((transmission_mode == 3) || (transmission_mode==4)) Kmimo=2; else Kmimo=1; switch (ue_category) { case 1: Nsoft = 250368; break; case 2: case 3: Nsoft = 1237248; break; case 4: Nsoft = 1827072; break; default: printf("Unsupported UE category %d\n",ue_category); exit(-1); break; } for (k=0; k<NUMBER_OF_UE_MAX; k++) { // Create transport channel structures for 2 transport blocks (MIMO) for (i=0; i<2; i++) { eNB->dlsch[k][i] = new_eNB_dlsch(Kmimo,8,Nsoft,N_RB_DL,0,&eNB->frame_parms); if (!eNB->dlsch[k][i]) { printf("Can't get eNB dlsch structures\n"); exit(-1); } eNB->dlsch[k][i]->rnti = n_rnti+k; } } /* allocate memory for both subframes (only one is really used * but there is now "copy_harq_proc_struct" which needs both * to be valid) * TODO: refine this somehow (necessary?) */ for (sf = 0; sf < 2; sf++) { for (i=0; i<2; i++) { UE->dlsch[sf][0][i] = new_ue_dlsch(Kmimo,8,Nsoft,MAX_TURBO_ITERATIONS,N_RB_DL,0); if (!UE->dlsch[sf][0][i]) { printf("Can't get ue dlsch structures\n"); exit(-1); } UE->dlsch[sf][0][i]->rnti = n_rnti; } } UE->dlsch_SI[0] = new_ue_dlsch(1,1,Nsoft,MAX_TURBO_ITERATIONS,N_RB_DL,0); UE->dlsch_ra[0] = new_ue_dlsch(1,1,Nsoft,MAX_TURBO_ITERATIONS,N_RB_DL,0); UE->ulsch[0] = new_ue_ulsch(N_RB_DL,0); // structure for SIC at UE UE->dlsch_eNB[0] = new_eNB_dlsch(Kmimo,8,Nsoft,N_RB_DL,0,&eNB->frame_parms); if (DLSCH_alloc_pdu2_1E[0].tpmi == 5) { eNB->UE_stats[0].DL_pmi_single = (unsigned short)(taus()&0xffff); if (n_users>1) eNB->UE_stats[1].DL_pmi_single = (eNB->UE_stats[0].DL_pmi_single ^ 0x1555); //opposite PMI } else { eNB->UE_stats[0].DL_pmi_single = 0; if (n_users>1) eNB->UE_stats[1].DL_pmi_single = 0; } L1_rxtx_proc_t *proc_eNB = &eNB->proc.L1_proc; if (input_fd==NULL) { DL_req.dl_config_request_body.number_pdcch_ofdm_symbols = num_pdcch_symbols; DL_req.sfn_sf = (proc_eNB->frame_tx<<4)+subframe; TX_req.sfn_sf = (proc_eNB->frame_tx<<4)+subframe; // UE specific DCI fill_DCI(eNB, proc_eNB->frame_tx,subframe, &sched_resp, input_buffer, n_rnti, n_users, transmission_mode, 0, common_flag, NB_RB, DLSCH_RB_ALLOC, TPC, mcs1, mcs2, 1, 0, pa, &num_common_dci, &num_ue_spec_dci, &num_dci); numCCE = get_nCCE(num_pdcch_symbols,&eNB->frame_parms,get_mi(&eNB->frame_parms,subframe)); if (n_frames==1) printf("num_pdcch_symbols %d, numCCE %d, num_dci %d/%d/%d\n",num_pdcch_symbols,numCCE, num_dci,num_ue_spec_dci,num_common_dci); } snr_step = input_snr_step; UE->high_speed_flag = 1; UE->ch_est_alpha=0; for (ch_realization=0; ch_realization<n_ch_rlz; ch_realization++) { if(abstx) { printf("**********************Channel Realization Index = %d **************************\n", ch_realization); } for (SNR=snr0; SNR<snr1; SNR+=snr_step) { UE->proc.proc_rxtx[UE->current_thread_id[subframe]].frame_rx=0; errs[0]=0; errs[1]=0; errs[2]=0; errs[3]=0; errs2[0]=0; errs2[1]=0; errs2[2]=0; errs2[3]=0; round_trials[0] = 0; round_trials[1] = 0; round_trials[2] = 0; round_trials[3] = 0; dci_errors[0]=0; dci_errors[1]=0; dci_errors[2]=0; dci_errors[3]=0; // avg_ber = 0; round=0; avg_iter = 0; iter_trials=0; reset_meas(&eNB->phy_proc_tx); // total eNB tx reset_meas(&eNB->dlsch_scrambling_stats); reset_meas(&UE->dlsch_unscrambling_stats); reset_meas(&eNB->ofdm_mod_stats); reset_meas(&eNB->dlsch_modulation_stats); reset_meas(&eNB->dlsch_encoding_stats); reset_meas(&eNB->dlsch_interleaving_stats); reset_meas(&eNB->dlsch_rate_matching_stats); reset_meas(&eNB->dlsch_turbo_encoding_stats); reset_meas(&eNB->dlsch_common_and_dci); reset_meas(&eNB->dlsch_ue_specific); for (int i=0; i<RX_NB_TH; i++) { reset_meas(&UE->phy_proc_rx[i]); // total UE rx reset_meas(&UE->ue_front_end_stat[i]); reset_meas(&UE->pdsch_procedures_stat[i]); reset_meas(&UE->dlsch_procedures_stat[i]); reset_meas(&UE->dlsch_decoding_stats[i]); reset_meas(&UE->dlsch_llr_stats_parallelization[i][0]); reset_meas(&UE->dlsch_llr_stats_parallelization[i][1]); } reset_meas(&UE->ofdm_demod_stats); reset_meas(&UE->crnti_procedures_stats); reset_meas(&UE->dlsch_channel_estimation_stats); reset_meas(&UE->dlsch_freq_offset_estimation_stats); reset_meas(&UE->rx_dft_stats); reset_meas(&UE->dlsch_decoding_stats[0]); reset_meas(&UE->dlsch_decoding_stats[1]); reset_meas(&UE->dlsch_turbo_decoding_stats); reset_meas(&UE->dlsch_deinterleaving_stats); reset_meas(&UE->dlsch_rate_unmatching_stats); reset_meas(&UE->dlsch_tc_init_stats); reset_meas(&UE->dlsch_tc_alpha_stats); reset_meas(&UE->dlsch_tc_beta_stats); reset_meas(&UE->dlsch_tc_gamma_stats); reset_meas(&UE->dlsch_tc_ext_stats); reset_meas(&UE->dlsch_tc_intl1_stats); reset_meas(&UE->dlsch_tc_intl2_stats); // initialization // initialization varArray_t *table_tx=initVarArray(1000,sizeof(double)); varArray_t *table_tx_ifft=initVarArray(1000,sizeof(double)); varArray_t *table_tx_mod=initVarArray(1000,sizeof(double)); varArray_t *table_tx_enc=initVarArray(1000,sizeof(double)); varArray_t *table_rx=initVarArray(1000,sizeof(double)); time_stats_t phy_proc_rx_tot; time_stats_t pdsch_procedures_tot; time_stats_t dlsch_procedures_tot; time_stats_t dlsch_decoding_tot; time_stats_t dlsch_llr_tot; time_stats_t ue_front_end_tot; varArray_t *table_rx_fft=initVarArray(1000,sizeof(double)); varArray_t *table_rx_demod=initVarArray(1000,sizeof(double)); varArray_t *table_rx_dec=initVarArray(1000,sizeof(double)); for (trials = 0; trials<n_frames; trials++) { //printf("Trial %d\n",trials); fflush(stdout); round=0; //if (trials%100==0) eNB2UE[0]->first_run = 1; UE->dlsch[UE->current_thread_id[subframe]][eNB_id][0]->harq_ack[subframe].ack = 0; UE->dlsch[UE->current_thread_id[subframe]][eNB_id][1]->harq_ack[subframe].ack = 0; while ((round < num_rounds) && (UE->dlsch[UE->current_thread_id[subframe]][eNB_id][0]->harq_ack[subframe].ack == 0)) { // printf("Trial %d, round %d\n",trials,round); round_trials[round]++; //if(transmission_mode>=5) // pmi_feedback=1; //else // pmi_feedback=0; if (abstx) { if (trials==0 && round==0 && SNR==snr0) //generate a new channel hold_channel = 0; else hold_channel = 1; } else hold_channel = 0;//(round==0) ? 0 : 1; //PMI_FEEDBACK: // printf("Trial %d : Round %d, pmi_feedback %d \n",trials,round,pmi_feedback); for (aa=0; aa<eNB->frame_parms.nb_antennas_tx; aa++) { memset(&eNB->common_vars.txdataF[aa][0],0,FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX*sizeof(int32_t)); } if (input_fd==NULL) { // Simulate HARQ procedures!!! memset(CCE_table,0,800*sizeof(int)); if (/*common_flag == 0*/ 1) { num_dci=0; num_common_dci=0; num_ue_spec_dci=0; if (round == 0) { // First round TB0_active = 1; eNB->dlsch[0][0]->harq_processes[0]->rvidx = round&3; DL_req.sfn_sf = (proc_eNB->frame_tx<<4)+subframe; TX_req.sfn_sf = (proc_eNB->frame_tx<<4)+subframe; fill_DCI(eNB,proc_eNB->frame_tx,subframe,&sched_resp,input_buffer,n_rnti,n_users,transmission_mode,0,common_flag,NB_RB,DLSCH_RB_ALLOC,TPC, mcs1,mcs2,!(trials&1),round&3,pa,&num_common_dci,&num_ue_spec_dci,&num_dci); } else { DL_req.sfn_sf = (proc_eNB->frame_tx<<4)+subframe; TX_req.sfn_sf = (proc_eNB->frame_tx<<4)+subframe; fill_DCI(eNB,proc_eNB->frame_tx,subframe,&sched_resp,input_buffer,n_rnti,n_users,transmission_mode,1,common_flag,NB_RB,DLSCH_RB_ALLOC,TPC, (TB0_active==1)?mcs1:0,mcs2,!(trials&1),(TB0_active==1)?round&3:0,pa,&num_common_dci,&num_ue_spec_dci,&num_dci); } } proc_eNB->subframe_tx = subframe; sched_resp.subframe=subframe; sched_resp.frame=proc_eNB->frame_tx; eNB->abstraction_flag=0; schedule_response(&sched_resp); phy_procedures_eNB_TX(eNB,proc_eNB,1); if (uncoded_ber_bit == NULL) { // this is for user 0 only printf("nb_rb %d, rb_alloc %x, mcs %d\n", eNB->dlsch[0][0]->harq_processes[0]->nb_rb, eNB->dlsch[0][0]->harq_processes[0]->rb_alloc[0], eNB->dlsch[0][0]->harq_processes[0]->mcs); coded_bits_per_codeword = get_G(&eNB->frame_parms, eNB->dlsch[0][0]->harq_processes[0]->nb_rb, eNB->dlsch[0][0]->harq_processes[0]->rb_alloc, get_Qm(eNB->dlsch[0][0]->harq_processes[0]->mcs), eNB->dlsch[0][0]->harq_processes[0]->Nl, num_pdcch_symbols, 0, subframe, transmission_mode>=7?transmission_mode:0); uncoded_ber_bit = (short*) malloc(sizeof(short)*coded_bits_per_codeword); printf("uncoded_ber_bit=%p\n",uncoded_ber_bit); } start_meas(&eNB->ofdm_mod_stats); ru->proc.subframe_tx=subframe; memcpy((void*)&ru->frame_parms,(void*)&eNB->frame_parms,sizeof(LTE_DL_FRAME_PARMS)); feptx_prec(ru); feptx_ofdm(ru); stop_meas(&eNB->ofdm_mod_stats); // generate next subframe for channel estimation DL_req.dl_config_request_body.number_dci=0; DL_req.dl_config_request_body.number_pdu=0; TX_req.tx_request_body.number_of_pdus=0; proc_eNB->subframe_tx = subframe+1; sched_resp.subframe=subframe+1; schedule_response(&sched_resp); phy_procedures_eNB_TX(eNB,proc_eNB,0); ru->proc.subframe_tx=(subframe+1)%10; feptx_prec(ru); feptx_ofdm(ru); proc_eNB->frame_tx++; tx_lev = 0; for (aa=0; aa<eNB->frame_parms.nb_antennas_tx; aa++) { tx_lev += signal_energy(&ru->common.txdata[aa] [subframe*eNB->frame_parms.samples_per_tti], eNB->frame_parms.samples_per_tti); } tx_lev_dB = (unsigned int) dB_fixed(tx_lev); if (n_frames==1) { printf("tx_lev = %d (%d dB)\n",tx_lev,tx_lev_dB); LOG_M("txsig0.m","txs0", &ru->common.txdata[0][subframe* eNB->frame_parms.samples_per_tti], eNB->frame_parms.samples_per_tti,1,1); if (transmission_mode<7) { LOG_M("txsigF0.m","txsF0x", &ru->common.txdataF_BF[0][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],nsymb*eNB->frame_parms.ofdm_symbol_size,1,1); } else if (transmission_mode == 7) { LOG_M("txsigF0.m","txsF0", &ru->common.txdataF_BF[5][subframe*nsymb*eNB->frame_parms.ofdm_symbol_size],nsymb*eNB->frame_parms.ofdm_symbol_size,1,1); LOG_M("txsigF0_BF.m","txsF0_BF", &ru->common.txdataF_BF[0][0],eNB->frame_parms.ofdm_symbol_size,1,1); } } } DL_channel(ru,UE,subframe,awgn_flag,SNR,tx_lev,hold_channel,abstx,num_rounds,trials,round,eNB2UE,s_re,s_im,r_re,r_im,csv_fd); UE_rxtx_proc_t *proc = &UE->proc.proc_rxtx[UE->current_thread_id[subframe]]; proc->subframe_rx = subframe; UE->UE_mode[0] = PUSCH; // first symbol has to be done separately in one-shot mode slot_fep(UE, 0, (proc->subframe_rx<<1), UE->rx_offset, 0, 0); if (n_frames==1) printf("Running phy_procedures_UE_RX\n"); if (dci_flag==0) { memcpy(dci_alloc,eNB->pdcch_vars[subframe&1].dci_alloc,num_dci*sizeof(DCI_ALLOC_t)); UE->pdcch_vars[UE->current_thread_id[proc->subframe_rx]][eNB_id]->num_pdcch_symbols = num_pdcch_symbols; if (n_frames==1) printf("bypassing PDCCH/DCI detection\n"); if (generate_ue_dlsch_params_from_dci(proc->frame_rx, proc->subframe_rx, (void *)&dci_alloc[0].dci_pdu, common_flag == 0 ? n_rnti : SI_RNTI, dci_alloc[0].format, UE->pdcch_vars[UE->current_thread_id[proc->subframe_rx]][eNB_id], UE->pdsch_vars[UE->current_thread_id[proc->subframe_rx]][eNB_id], UE->dlsch[UE->current_thread_id[proc->subframe_rx]][0], &UE->frame_parms, UE->pdsch_config_dedicated, SI_RNTI, 0, P_RNTI, UE->transmission_mode[eNB_id]<7?0:UE->transmission_mode[eNB_id], 0)==0) { dump_dci(&UE->frame_parms, &dci_alloc[0]); //UE->dlsch[UE->current_thread_id[proc->subframe_rx]][eNB_id][0]->active = 1; //UE->dlsch[UE->current_thread_id[proc->subframe_rx]][eNB_id][1]->active = 1; UE->pdcch_vars[UE->current_thread_id[proc->subframe_rx]][eNB_id]->num_pdcch_symbols = num_pdcch_symbols; UE->dlsch_received[eNB_id]++; } else { LOG_E(PHY,"Problem in DCI!\n"); } } dci_received = UE->pdcch_vars[UE->current_thread_id[proc->subframe_rx]][eNB_id]->dci_received; phy_procedures_UE_RX(UE,proc,0,0,dci_flag,normal_txrx); dci_received = dci_received - UE->pdcch_vars[UE->current_thread_id[proc->subframe_rx]][eNB_id]->dci_received; if (dci_flag && (dci_received == 0)) { printf("DCI not received\n"); dci_errors[round]++; LOG_M("pdcchF0_ext.m","pdcchF_ext", UE->pdcch_vars[0][eNB_id]->rxdataF_ext[0],2*3*UE->frame_parms.ofdm_symbol_size,1,1); LOG_M("pdcch00_ch0_ext.m","pdcch00_ch0_ext",UE->pdcch_vars[0][eNB_id]->dl_ch_estimates_ext[0],300*3,1,1); LOG_M("pdcch_rxF_comp0.m","pdcch0_rxF_comp0",UE->pdcch_vars[0][eNB_id]->rxdataF_comp[0],4*300,1,1); LOG_M("pdcch_rxF_llr.m","pdcch_llr",UE->pdcch_vars[0][eNB_id]->llr,2400,1,4); LOG_M("rxsig0.m","rxs0", &UE->common_vars.rxdata[0][0],10*UE->frame_parms.samples_per_tti,1,1); LOG_M("rxsigF0.m","rxsF0", &UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].rxdataF[0][0],UE->frame_parms.ofdm_symbol_size*nsymb,1,1); exit(-1); } int bit_errors=0; if ((test_perf ==0 ) && (n_frames==1)) { dlsch_unscrambling(&eNB->frame_parms, 0, UE->dlsch[UE->current_thread_id[subframe]][0][0], coded_bits_per_codeword, UE->pdsch_vars[UE->current_thread_id[subframe]][0]->llr[0], 0, subframe<<1); for (i=0;i<coded_bits_per_codeword;i++) if ((eNB->dlsch[0][0]->harq_processes[0]->e[i]==1 && UE->pdsch_vars[UE->current_thread_id[subframe]][0]->llr[0][i] > 0)|| (eNB->dlsch[0][0]->harq_processes[0]->e[i]==0 && UE->pdsch_vars[UE->current_thread_id[subframe]][0]->llr[0][i] < 0)) { uncoded_ber_bit[bit_errors++] = 1; printf("error in pos %d : %d => %d\n",i, eNB->dlsch[0][0]->harq_processes[0]->e[i], UE->pdsch_vars[UE->current_thread_id[subframe]][0]->llr[0][i]); } else { /* printf("no error in pos %d : %d => %d\n",i, eNB->dlsch[0][0]->harq_processes[0]->e[i], UE->pdsch_vars[UE->current_thread_id[subframe]][0]->llr[0][i]); */ } LOG_M("dlsch_ber_bit.m","ber_bit",uncoded_ber_bit,coded_bits_per_codeword,1,0); LOG_M("ch0.m","ch0",eNB2UE[0]->ch[0],eNB2UE[0]->channel_length,1,8); if (eNB->frame_parms.nb_antennas_tx>1) LOG_M("ch1.m","ch1",eNB2UE[0]->ch[eNB->frame_parms.nb_antennas_rx],eNB2UE[0]->channel_length,1,8); //common vars LOG_M("rxsig0.m","rxs0", &UE->common_vars.rxdata[0][0],10*UE->frame_parms.samples_per_tti,1,1); LOG_M("rxsigF0.m","rxsF0", &UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].rxdataF[0][0],UE->frame_parms.ofdm_symbol_size*nsymb,1,1); if (UE->frame_parms.nb_antennas_rx>1) { LOG_M("rxsig1.m","rxs1", UE->common_vars.rxdata[1],UE->frame_parms.samples_per_tti,1,1); LOG_M("rxsigF1.m","rxsF1", UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].rxdataF[1],UE->frame_parms.ofdm_symbol_size*nsymb,1,1); } LOG_M("dlsch00_r0.m","dl00_r0", &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][0][0]), UE->frame_parms.ofdm_symbol_size*nsymb,1,1); if (UE->frame_parms.nb_antennas_rx>1) LOG_M("dlsch01_r0.m","dl01_r0", &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][1][0]), UE->frame_parms.ofdm_symbol_size*nsymb,1,1); if (eNB->frame_parms.nb_antennas_tx>1) LOG_M("dlsch10_r0.m","dl10_r0", &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][2][0]), UE->frame_parms.ofdm_symbol_size*nsymb,1,1); if ((UE->frame_parms.nb_antennas_rx>1) && (eNB->frame_parms.nb_antennas_tx>1)) LOG_M("dlsch11_r0.m","dl11_r0", &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][3][0]), UE->frame_parms.ofdm_symbol_size*nsymb/2,1,1); //pdsch_vars printf("coded_bits_per_codeword %d\n",coded_bits_per_codeword); dump_dlsch2(UE,eNB_id,subframe,&coded_bits_per_codeword,round, UE->dlsch[UE->current_thread_id[subframe]][0][0]->current_harq_pid); LOG_M("dlsch_e.m","e",eNB->dlsch[0][0]->harq_processes[0]->e,coded_bits_per_codeword,1,4); //pdcch_vars LOG_M("pdcchF0_ext.m","pdcchF_ext", UE->pdcch_vars[0][eNB_id]->rxdataF_ext[0],2*3*UE->frame_parms.ofdm_symbol_size,1,1); LOG_M("pdcch00_ch0_ext.m","pdcch00_ch0_ext",UE->pdcch_vars[0][eNB_id]->dl_ch_estimates_ext[0],300*3,1,1); LOG_M("pdcch_rxF_comp0.m","pdcch0_rxF_comp0",UE->pdcch_vars[0][eNB_id]->rxdataF_comp[0],4*300,1,1); LOG_M("pdcch_rxF_llr.m","pdcch_llr",UE->pdcch_vars[0][eNB_id]->llr,2400,1,4); } if (UE->dlsch[UE->current_thread_id[subframe]][eNB_id][0]->harq_ack[subframe].ack == 1) { avg_iter += UE->dlsch[UE->current_thread_id[subframe]][eNB_id][0]->last_iteration_cnt; iter_trials++; if (n_frames==1) printf("No DLSCH errors found (round %d),uncoded ber %f\n",round,(double)bit_errors/coded_bits_per_codeword); UE->total_TBS[eNB_id] = UE->total_TBS[eNB_id] + UE->dlsch[UE->current_thread_id[subframe]][eNB_id][0]->harq_processes[UE->dlsch[UE->current_thread_id[subframe]][eNB_id][0]->current_harq_pid]->TBS; TB0_active = 0; } // DLSCH received ok else { errs[round]++; avg_iter += UE->dlsch[UE->current_thread_id[subframe]][eNB_id][0]->last_iteration_cnt-1; iter_trials++; if (n_frames==1) { //if ((n_frames==1) || (SNR>=30)) { printf("DLSCH errors found (round %d), uncoded ber %f\n",round,(double)bit_errors/coded_bits_per_codeword); for (s=0; s<UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->C; s++) { if (s<UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->Cminus) Kr = UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->Kminus; else Kr = UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->Kplus; Kr_bytes = Kr>>3; printf("Decoded_output (Segment %d):\n",s); for (i=0; i<Kr_bytes; i++) printf("%d : %x (%x)\n",i,UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->c[s][i],UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->c[s][i]^eNB->dlsch[0][0]->harq_processes[0]->c[s][i]); } sprintf(fname,"rxsig0_r%d.m",round); sprintf(vname,"rxs0_r%d",round); LOG_M(fname,vname, &UE->common_vars.rxdata[0][0],10*UE->frame_parms.samples_per_tti,1,1); sprintf(fname,"rxsigF0_r%d.m",round); sprintf(vname,"rxs0F_r%d",round); LOG_M(fname,vname, &UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].rxdataF[0][0],UE->frame_parms.ofdm_symbol_size*nsymb,1,1); if (UE->frame_parms.nb_antennas_rx>1) { sprintf(fname,"rxsig1_r%d.m",round); sprintf(vname,"rxs1_r%d.m",round); LOG_M(fname,vname, UE->common_vars.rxdata[1],UE->frame_parms.samples_per_tti,1,1); sprintf(fname,"rxsigF1_r%d.m",round); sprintf(vname,"rxs1F_r%d.m",round); LOG_M(fname,vname, UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].rxdataF[1],UE->frame_parms.ofdm_symbol_size*nsymb,1,1); } sprintf(fname,"dlsch00_r%d.m",round); sprintf(vname,"dl00_r%d",round); LOG_M(fname,vname, &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][0][0]), UE->frame_parms.ofdm_symbol_size*nsymb,1,1); if (UE->frame_parms.nb_antennas_rx>1) { sprintf(fname,"dlsch01_r%d.m",round); sprintf(vname,"dl01_r%d",round); LOG_M(fname,vname, &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][1][0]), UE->frame_parms.ofdm_symbol_size*nsymb/2,1,1); } if (eNB->frame_parms.nb_antennas_tx>1) { sprintf(fname,"dlsch10_r%d.m",round); sprintf(vname,"dl10_r%d",round); LOG_M(fname,vname, &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][2][0]), UE->frame_parms.ofdm_symbol_size*nsymb/2,1,1); } if ((UE->frame_parms.nb_antennas_rx>1) && (eNB->frame_parms.nb_antennas_tx>1)) { sprintf(fname,"dlsch11_r%d.m",round); sprintf(vname,"dl11_r%d",round); LOG_M(fname,vname, &(UE->common_vars.common_vars_rx_data_per_thread[UE->current_thread_id[subframe]].dl_ch_estimates[eNB_id][3][0]), UE->frame_parms.ofdm_symbol_size*nsymb/2,1,1); } //pdsch_vars dump_dlsch2(UE,eNB_id,subframe,&coded_bits_per_codeword,round, UE->dlsch[UE->current_thread_id[subframe]][0][0]->current_harq_pid); //LOG_M("dlsch_e.m","e",eNB->dlsch[0][0]->harq_processes[0]->e,coded_bits_per_codeword,1,4); //LOG_M("dlsch_ber_bit.m","ber_bit",uncoded_ber_bit,coded_bits_per_codeword,1,0); //LOG_M("dlsch_w.m","w",eNB->dlsch[0][0]->harq_processes[0]->w[0],3*(tbs+64),1,4); //LOG_M("dlsch_w.m","w",UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->w[0],3*(tbs+64),1,0); //pdcch_vars LOG_M("pdcchF0_ext.m","pdcchF_ext", UE->pdcch_vars[0][eNB_id]->rxdataF_ext[0],2*3*UE->frame_parms.ofdm_symbol_size,1,1); LOG_M("pdcch00_ch0_ext.m","pdcch00_ch0_ext",UE->pdcch_vars[0][eNB_id]->dl_ch_estimates_ext[0],300*3,1,1); LOG_M("pdcch_rxF_comp0.m","pdcch0_rxF_comp0",UE->pdcch_vars[0][eNB_id]->rxdataF_comp[0],4*300,1,1); LOG_M("pdcch_rxF_llr.m","pdcch_llr",UE->pdcch_vars[0][eNB_id]->llr,2400,1,4); if (round == 3) exit(-1); } // printf("round %d errors %d/%d\n",round,errs[round],trials); round++; // UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->round++; } if (xforms==1) { phy_scope_UE(form_ue, UE, eNB_id, 0,// UE_id subframe); } UE->proc.proc_rxtx[UE->current_thread_id[subframe]].frame_rx++; } //round // printf("\n"); if ((errs[0]>=n_frames/10) && (trials>(n_frames/2))) break; //len = chbch_stats_read(stats_buffer,NULL,0,4096); //printf("%s\n\n",stats_buffer); if (UE->proc.proc_rxtx[UE->current_thread_id[subframe]].frame_rx % 10 == 0) { UE->bitrate[eNB_id] = (UE->total_TBS[eNB_id] - UE->total_TBS_last[eNB_id])*10; LOG_D(PHY,"[UE %d] Calculating bitrate: total_TBS = %d, total_TBS_last = %d, bitrate = %d kbits/s\n",UE->Mod_id,UE->total_TBS[eNB_id],UE->total_TBS_last[eNB_id], UE->bitrate[eNB_id]/1000); UE->total_TBS_last[eNB_id] = UE->total_TBS[eNB_id]; } /* calculate the total processing time for each packet, * get the max, min, and number of packets that exceed t>2000us */ double t_tx = inMicroS(eNB->phy_proc_tx.p_time); double t_tx_ifft = inMicroS(eNB->ofdm_mod_stats.p_time); double t_rx = inMicroS(UE->phy_proc_rx[UE->current_thread_id[subframe]].p_time); sumUpStats(&phy_proc_rx_tot, UE->phy_proc_rx, UE->current_thread_id[subframe]); sumUpStats(&ue_front_end_tot, UE->ue_front_end_stat, UE->current_thread_id[subframe]); sumUpStats(&pdsch_procedures_tot, UE->pdsch_procedures_stat, UE->current_thread_id[subframe]); sumUpStats(&dlsch_procedures_tot, UE->dlsch_procedures_stat, UE->current_thread_id[subframe]); sumUpStats(&dlsch_decoding_tot, UE->dlsch_decoding_stats, UE->current_thread_id[subframe]); sumUpStatsSlot(&dlsch_llr_tot, UE->dlsch_llr_stats_parallelization, UE->current_thread_id[subframe]); double t_rx_fft = inMicroS(UE->ofdm_demod_stats.p_time); double t_rx_demod = inMicroS(UE->dlsch_rx_pdcch_stats.p_time); double t_rx_dec = inMicroS(UE->dlsch_decoding_stats[UE->current_thread_id[subframe]].p_time); if (t_tx > 2000 )// 2ms is too much time for a subframe n_tx_dropped++; if (t_rx > 2000 ) n_rx_dropped++; appendVarArray(table_tx, &t_tx); appendVarArray(table_tx_ifft, &t_tx_ifft); appendVarArray(table_rx, &t_rx ); appendVarArray(table_rx_fft, &t_rx_fft ); appendVarArray(table_rx_demod, &t_rx_demod ); appendVarArray(table_rx_dec, &t_rx_dec ); } //trials // round_trials[0]: number of code word : goodput the protocol // sort table qsort (dataArray(table_tx), table_tx->size, table_tx->atomSize, &cmpdouble); qsort (dataArray(table_tx_ifft), table_tx_ifft->size, table_tx_ifft->atomSize, &cmpdouble); qsort (dataArray(table_tx_mod), table_tx_mod->size, table_tx_mod->atomSize, &cmpdouble); qsort (dataArray(table_tx_enc), table_tx_enc->size, table_tx_enc->atomSize, &cmpdouble); qsort (dataArray(table_rx), table_rx->size, table_rx->atomSize, &cmpdouble); qsort (dataArray(table_rx_fft), table_rx_fft->size, table_rx_fft->atomSize, &cmpdouble); qsort (dataArray(table_rx_demod), table_rx_demod->size, table_rx_demod->atomSize, &cmpdouble); qsort (dataArray(table_rx_dec), table_rx_dec->size, table_rx_dec->atomSize, &cmpdouble); if (dump_table == 1 ) { set_component_filelog(SIM); // file located in /tmp/usim.txt LOG_UDUMPMSG(SIM,table_tx,table_tx->size,LOG_DUMP_DOUBLE,"The transmitter raw data: \n"); LOG_UDUMPMSG(SIM,table_rx,table_rx->size,LOG_DUMP_DOUBLE,"Thereceiver raw data: \n"); } effective_rate = 1.0-((double)(errs[0]+errs[1]+errs[2]+errs[3])/((double)round_trials[0] + round_trials[1] + round_trials[2] + round_trials[3])); printf("\n**********************SNR = %f dB (tx_lev %f)**************************\n", SNR, (double)tx_lev_dB+10*log10(UE->frame_parms.ofdm_symbol_size/(NB_RB*12))); printf("Errors (%d(%d)/%d %d/%d %d/%d %d/%d), Pe = (%e,%e,%e,%e), dci_errors %d/%d, Pe = %e => effective rate %f, normalized delay %f (%f)\n", errs[0], errs2[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]), dci_errors[0]+dci_errors[1]+dci_errors[2]+dci_errors[3], round_trials[0]+round_trials[1]+round_trials[2]+round_trials[3], (double)(dci_errors[0]+dci_errors[1]+dci_errors[2]+dci_errors[3])/(round_trials[0]+round_trials[1]+round_trials[2]+round_trials[3]), //rate*effective_rate, 100*effective_rate, //rate, //rate*get_Qm(UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[UE->dlsch[UE->current_thread_id[subframe]][0][0]->current_harq_pid]->mcs), (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)eNB->dlsch[0][0]->harq_processes[0]->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])); double timeBase=1/(1000*cpu_freq_GHz); if (print_perf==1) { printf("\neNB TX function statistics (per 1ms subframe)\n"); printDistribution(&eNB->phy_proc_tx,table_tx,"PHY proc tx"); printStatIndent(&eNB->dlsch_common_and_dci,"DL common channels and dci time"); printStatIndent(&eNB->dlsch_ue_specific,"DL per ue part time"); printStatIndent2(&eNB->dlsch_encoding_stats,"DLSCH encoding time"); printStatIndent3(&eNB->dlsch_rate_matching_stats,"DLSCH rate matching time"); printStatIndent3(&eNB->dlsch_turbo_encoding_stats,"DLSCH turbo encoding time"); printStatIndent3(&eNB->dlsch_interleaving_stats,"DLSCH interleaving time"); printStatIndent2(&eNB->dlsch_scrambling_stats, "DLSCH scrambling time"); printStatIndent2(&eNB->dlsch_modulation_stats, "DLSCH modulation time"); printDistribution(&eNB->ofdm_mod_stats,table_tx_ifft,"OFDM_mod (idft) time"); printf("\nUE RX function statistics (per 1ms subframe)\n"); printDistribution(&phy_proc_rx_tot, table_rx,"Total PHY proc rx"); printStatIndent(&ue_front_end_tot,"Front end processing"); printStatIndent(&dlsch_llr_tot,"rx_pdsch processing"); printStatIndent2(&pdsch_procedures_tot,"pdsch processing"); printStatIndent2(&dlsch_procedures_tot,"dlsch processing"); printStatIndent2(&UE->crnti_procedures_stats,"C-RNTI processing"); printStatIndent(&UE->ofdm_demod_stats,"ofdm demodulation"); printStatIndent(&UE->dlsch_channel_estimation_stats,"DLSCH channel estimation time"); printStatIndent(&UE->dlsch_freq_offset_estimation_stats,"DLSCH frequency offset estimation time"); printStatIndent(&dlsch_decoding_tot, "DLSCH Decoding time "); printStatIndent(&UE->dlsch_unscrambling_stats,"DLSCH unscrambling time"); printStatIndent(&UE->dlsch_rate_unmatching_stats,"DLSCH Rate Unmatching"); printf("|__ DLSCH Turbo Decoding(%d bits), avg iterations: %.1f %.2f us (%d cycles, %d trials)\n", UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->Cminus ? UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->Kminus : UE->dlsch[UE->current_thread_id[subframe]][0][0]->harq_processes[0]->Kplus, UE->dlsch_tc_intl1_stats.trials/(double)UE->dlsch_tc_init_stats.trials, (double)UE->dlsch_turbo_decoding_stats.diff/UE->dlsch_turbo_decoding_stats.trials*timeBase, (int)((double)UE->dlsch_turbo_decoding_stats.diff/UE->dlsch_turbo_decoding_stats.trials), UE->dlsch_turbo_decoding_stats.trials); printStatIndent2(&UE->dlsch_tc_init_stats,"init"); printStatIndent2(&UE->dlsch_tc_alpha_stats,"alpha"); printStatIndent2(&UE->dlsch_tc_beta_stats,"beta"); printStatIndent2(&UE->dlsch_tc_gamma_stats,"gamma"); printStatIndent2(&UE->dlsch_tc_ext_stats,"ext"); printStatIndent2(&UE->dlsch_tc_intl1_stats,"turbo internal interleaver"); printStatIndent2(&UE->dlsch_tc_intl2_stats,"intl2+HardDecode+CRC"); } if ((transmission_mode != 3) && (transmission_mode != 4)) { fprintf(bler_fd,"%f;%d;%d;%f;%d;%d;%d;%d;%d;%d;%d;%d;%d\n", SNR, mcs1, eNB->dlsch[0][0]->harq_processes[0]->TBS, rate, errs[0], round_trials[0], errs[1], round_trials[1], errs[2], round_trials[2], errs[3], round_trials[3], dci_errors[0]); } else { fprintf(bler_fd,"%f;%d;%d;%d;%d;%f;%d;%d;%d;%d;%d;%d;%d;%d;%d\n", SNR, mcs1,mcs2, eNB->dlsch[0][0]->harq_processes[0]->TBS, eNB->dlsch[0][1]->harq_processes[0]->TBS, rate, errs[0], round_trials[0], errs[1], round_trials[1], errs[2], round_trials[2], errs[3], round_trials[3], dci_errors[0]); } if(abstx) { //ABSTRACTION blerr[0] = (double)errs[0]/(round_trials[0]); if(num_rounds>1) { blerr[1] = (double)errs[1]/(round_trials[1]); blerr[2] = (double)errs[2]/(round_trials[2]); blerr[3] = (double)errs[3]/(round_trials[3]); fprintf(csv_fd,"%e,%e,%e,%e;\n",blerr[0],blerr[1],blerr[2],blerr[3]); } else { fprintf(csv_fd,"%e;\n",blerr[0]); } } //ABStraction if ( (test_perf != 0) && (100 * effective_rate > test_perf )) { //fprintf(time_meas_fd,"SNR; MCS; TBS; rate; err0; trials0; err1; trials1; err2; trials2; err3; trials3; dci_err\n"); if ((transmission_mode != 3) && (transmission_mode != 4)) { fprintf(time_meas_fd,"%f;%d;%d;%f;%d;%d;%d;%d;%d;%d;%d;%d;%d;", SNR, mcs1, eNB->dlsch[0][0]->harq_processes[0]->TBS, rate, errs[0], round_trials[0], errs[1], round_trials[1], errs[2], round_trials[2], errs[3], round_trials[3], dci_errors[0]); //fprintf(time_meas_fd,"SNR; MCS; TBS; rate; DL_DECOD_ITER; err0; trials0; err1; trials1; err2; trials2; err3; trials3; PE; dci_err;PE;ND;\n"); fprintf(time_meas_fd,"%f;%d;%d;%f; %2.1f%%;%f;%f;%d;%d;%d;%d;%d;%d;%d;%d;%e;%e;%e;%e;%d;%d;%e;%f;%f;", SNR, mcs1, eNB->dlsch[0][0]->harq_processes[0]->TBS, rate*effective_rate, 100*effective_rate, rate, (double)avg_iter/iter_trials, 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[0]), (double)errs[2]/(round_trials[0]), (double)errs[3]/(round_trials[0]), dci_errors[0], round_trials[0], (double)dci_errors[0]/(round_trials[0]), (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)eNB->dlsch[0][0]->harq_processes[0]->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])); } else { fprintf(time_meas_fd,"%f;%d;%d;%d;%d;%f;%d;%d;%d;%d;%d;%d;%d;%d;%d;", SNR, mcs1,mcs2, eNB->dlsch[0][0]->harq_processes[0]->TBS, eNB->dlsch[0][1]->harq_processes[0]->TBS, rate, errs[0], round_trials[0], errs[1], round_trials[1], errs[2], round_trials[2], errs[3], round_trials[3], dci_errors[0]); //fprintf(time_meas_fd,"SNR; MCS; TBS; rate; DL_DECOD_ITER; err0; trials0; err1; trials1; err2; trials2; err3; trials3; PE; dci_err;PE;ND;\n"); fprintf(time_meas_fd,"%f;%d;%d;%d;%d;%f;%2.1f;%f;%f;%d;%d;%d;%d;%d;%d;%d;%d;%e;%e;%e;%e;%d;%d;%e;%f;%f;", SNR, mcs1,mcs2, eNB->dlsch[0][0]->harq_processes[0]->TBS, eNB->dlsch[0][1]->harq_processes[0]->TBS, rate*effective_rate, 100*effective_rate, rate, (double)avg_iter/iter_trials, 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[0]), (double)errs[2]/(round_trials[0]), (double)errs[3]/(round_trials[0]), dci_errors[0], round_trials[0], (double)dci_errors[0]/(round_trials[0]), (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)eNB->dlsch[0][0]->harq_processes[0]->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])); } //fprintf(time_meas_fd,"eNB_PROC_TX(%d); OFDM_MOD(%d); DL_MOD(%d); DL_SCR(%d); DL_ENC(%d); UE_PROC_RX(%d); OFDM_DEMOD_CH_EST(%d); RX_PDCCH(%d); CH_COMP_LLR(%d); DL_USCR(%d); DL_DECOD(%d);\n", fprintf(time_meas_fd,"%d; %d; %d; %d; %d; %d; %d; %d; %d; %d; %d;", eNB->phy_proc_tx.trials, eNB->ofdm_mod_stats.trials, eNB->dlsch_modulation_stats.trials, eNB->dlsch_scrambling_stats.trials, eNB->dlsch_encoding_stats.trials, phy_proc_rx_tot.trials, UE->ofdm_demod_stats.trials, UE->dlsch_rx_pdcch_stats.trials, UE->dlsch_llr_stats.trials, UE->dlsch_unscrambling_stats.trials, UE->dlsch_decoding_stats[UE->current_thread_id[subframe]].trials ); fprintf(time_meas_fd,"%f;%f;%f;%f;%f;%f;%f;%f;%f;%f;%f;", get_time_meas_us(&eNB->phy_proc_tx), get_time_meas_us(&eNB->ofdm_mod_stats), get_time_meas_us(&eNB->dlsch_modulation_stats), get_time_meas_us(&eNB->dlsch_scrambling_stats), get_time_meas_us(&eNB->dlsch_encoding_stats), get_time_meas_us(&phy_proc_rx_tot), nsymb*get_time_meas_us(&UE->ofdm_demod_stats), get_time_meas_us(&UE->dlsch_rx_pdcch_stats), 3*get_time_meas_us(&UE->dlsch_llr_stats), get_time_meas_us(&UE->dlsch_unscrambling_stats), get_time_meas_us(&UE->dlsch_decoding_stats[UE->current_thread_id[subframe]]) ); //fprintf(time_meas_fd,"eNB_PROC_TX_STD;eNB_PROC_TX_MAX;eNB_PROC_TX_MIN;eNB_PROC_TX_MED;eNB_PROC_TX_Q1;eNB_PROC_TX_Q3;eNB_PROC_TX_DROPPED;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f;%f;%f;%d;",squareRoot(&UE->phy_proc_tx), t_tx_max, t_tx_min, median(table_tx), q1(table_tx), q3(table_tx), n_tx_dropped); //fprintf(time_meas_fd,"IFFT;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f;", squareRoot(&eNB->ofdm_mod_stats), median(table_tx_ifft),q1(table_tx_ifft),q3(table_tx_ifft)); //fprintf(time_meas_fd,"MOD;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f;", squareRoot(&eNB->dlsch_modulation_stats), median(table_tx_mod), q1(table_tx_mod), q3(table_tx_mod)); //fprintf(time_meas_fd,"ENC;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f;", squareRoot(&eNB->dlsch_encoding_stats), median(table_tx_enc),q1(table_tx_enc),q3(table_tx_enc)); //fprintf(time_meas_fd,"eNB_PROC_RX_STD;eNB_PROC_RX_MAX;eNB_PROC_RX_MIN;eNB_PROC_RX_MED;eNB_PROC_RX_Q1;eNB_PROC_RX_Q3;eNB_PROC_RX_DROPPED;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f;%f;%f;%d;", squareRoot(&phy_proc_rx_tot), t_rx_max, t_rx_min, median(table_rx), q1(table_rx), q3(table_rx), n_rx_dropped); //fprintf(time_meas_fd,"FFT;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f;", squareRoot(&UE->ofdm_demod_stats), median(table_rx_fft), q1(table_rx_fft), q3(table_rx_fft)); //fprintf(time_meas_fd,"DEMOD;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f;", squareRoot(&UE->dlsch_demodulation_stats), median(table_rx_demod), q1(table_rx_demod), q3(table_rx_demod)); //fprintf(time_meas_fd,"DEC;\n"); fprintf(time_meas_fd,"%f;%f;%f;%f\n", squareRoot(&UE->dlsch_decoding_stats[subframe]), median(table_rx_dec), q1(table_rx_dec), q3(table_rx_dec)); printf("[passed] effective rate : %f (%2.1f%%,%f)): log and break \n",rate*effective_rate, 100*effective_rate, rate ); test_passed = 1; break; } else if (test_perf !=0 ) { printf("[continue] effective rate : %f (%2.1f%%,%f)): increase snr \n",rate*effective_rate, 100*effective_rate, rate); test_passed = 0; } if (((double)errs[0]/(round_trials[0]))<(10.0/n_frames)) break; }// SNR } //ch_realization fclose(bler_fd); if (test_perf !=0) fclose (time_meas_fd); //fprintf(tikz_fd,"};\n"); //fclose(tikz_fd); if (input_trch_file==1) fclose(input_trch_fd); if (input_file==1) fclose(input_fd); if(abstx) { // ABSTRACTION fprintf(csv_fd,"];"); fclose(csv_fd); } if (uncoded_ber_bit) free(uncoded_ber_bit); uncoded_ber_bit = NULL; printf("Freeing dlsch structures\n"); for (i=0; i<2; i++) { printf("eNB %d\n",i); free_eNB_dlsch(eNB->dlsch[0][i]); printf("UE %d\n",i); free_ue_dlsch(UE->dlsch[UE->current_thread_id[subframe]][0][i]); } if (test_perf && !test_passed) return(-1); else return(0); }