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openairinterface5g/openair1/SIMULATION/LTE_PHY/ulsim.c
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/*
* 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 ulsim.c
\brief Top-level UL 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 "common/utils/var_array.h"
#include "PHY/types.h"
#include "PHY/defs_common.h"
#include "PHY/defs_eNB.h"
#include "PHY/defs_UE.h"
#include "PHY/phy_vars.h"
#include "PHY/INIT/phy_init.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 "SIMULATION/TOOLS/sim.h"
#include "unitary_defs.h"
#include "dummy_functions.c"
#include "nfapi/oai_integration/vendor_ext.h"
#include "common/config/config_load_configmodule.h"
#include "executables/thread-common.h"
#include "executables/lte-softmodem.h"
#include "common/ran_context.h"
#include "PHY/LTE_ESTIMATION/lte_estimation.h"
#include "openair1/PHY/LTE_TRANSPORT/dlsch_tbs_full.h"
#include "PHY/phy_extern.h"
const char *__asan_default_options()
{
/* don't do leak checking in ulsim, not finished yet */
return "detect_leaks=0";
}
double cpuf;
#define inMicroS(a) (((double)(a))/(get_cpu_freq_GHz()*1000.0))
//#define MCS_COUNT 23//added for PHY abstraction
#include <openair1/SIMULATION/LTE_PHY/common_sim.h>
channel_desc_t *eNB2UE[NUMBER_OF_eNB_MAX][NUMBER_OF_UE_MAX];
channel_desc_t *UE2eNB[NUMBER_OF_UE_MAX][NUMBER_OF_eNB_MAX];
node_desc_t *enb_data[NUMBER_OF_eNB_MAX];
node_desc_t *ue_data[NUMBER_OF_UE_MAX];
THREAD_STRUCT thread_struct;
nfapi_ue_release_request_body_t release_rntis;
char title[255];
/*the following parameters are used to control the processing times*/
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 tx */
int n_tx_dropped = 0; /*!< \brief initial max process time for tx */
int n_rx_dropped = 0; /*!< \brief initial max process time for rx */
static int cmpdouble(const void *p1, const void *p2) {
return *(double *)p1 > *(double *)p2;
}
RAN_CONTEXT_t RC;
extern void fep_full(RU_t *ru, int subframe);
extern void ru_fep_full_2thread(RU_t *ru, int subframe);
//extern void eNB_fep_full(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc);
//extern void eNB_fep_full_2thread(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc);
nfapi_dl_config_request_t DL_req;
nfapi_ul_config_request_t UL_req;
nfapi_hi_dci0_request_t HI_DCI0_req;
nfapi_ul_config_request_pdu_t ul_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;
void
fill_nfapi_ulsch_config_request(nfapi_ul_config_request_pdu_t *ul_config_pdu,
uint8_t cqi_req,
uint8_t p_eNB,
uint8_t cqi_ReportModeAperiodic,
uint8_t betaOffset_CQI_Index,
uint8_t betaOffset_RI_Index,
uint8_t dl_cqi_pmi_size,
uint8_t tmode,
uint32_t handle,
uint16_t rnti,
uint8_t resource_block_start,
uint8_t number_of_resource_blocks,
uint8_t modulation_type,
uint8_t cyclic_shift_2_for_drms,
uint8_t frequency_hopping_enabled_flag,
uint8_t frequency_hopping_bits,
uint8_t new_data_indication,
uint8_t redundancy_version,
uint8_t harq_process_number,
uint8_t ul_tx_mode,
uint8_t current_tx_nb,
uint8_t n_srs,
uint16_t size) {
memset((void *) ul_config_pdu, 0, sizeof(nfapi_ul_config_request_pdu_t));
ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_ULSCH_PDU_TYPE;
ul_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_ul_config_ulsch_pdu));
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.tl.tag = NFAPI_UL_CONFIG_REQUEST_ULSCH_PDU_REL8_TAG;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.handle = handle;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.rnti = rnti;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.resource_block_start = resource_block_start;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.number_of_resource_blocks = number_of_resource_blocks;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.modulation_type = modulation_type;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.cyclic_shift_2_for_drms = cyclic_shift_2_for_drms;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.frequency_hopping_enabled_flag = frequency_hopping_enabled_flag;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.frequency_hopping_bits = frequency_hopping_bits;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.new_data_indication = new_data_indication;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.redundancy_version = redundancy_version;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.harq_process_number = harq_process_number;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.ul_tx_mode = ul_tx_mode;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.current_tx_nb = current_tx_nb;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.n_srs = n_srs;
ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.size = size;
//printf("Filling ul_config_pdu : Q %d, TBS %d, rv %d, ndi %d\n", modulation_type,size,redundancy_version,new_data_indication);
if (cqi_req == 1) {
// Add CQI portion
ul_config_pdu->pdu_type = NFAPI_UL_CONFIG_ULSCH_CQI_RI_PDU_TYPE;
ul_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_ul_config_ulsch_cqi_ri_pdu));
ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.tl.tag = NFAPI_UL_CONFIG_REQUEST_CQI_RI_INFORMATION_REL9_TAG;
ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.report_type = 1;
ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.aperiodic_cqi_pmi_ri_report.number_of_cc = 1;
LOG_D(MAC, "report_type %d\n",ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.report_type);
if (p_eNB <= 2
&& (tmode == 3 || tmode == 4 || tmode == 8 || tmode == 9 || tmode == 10))
ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.aperiodic_cqi_pmi_ri_report.cc[0].ri_size = 1;
else if (p_eNB <= 2) ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.aperiodic_cqi_pmi_ri_report.cc[0].ri_size = 0;
else if (p_eNB == 4) ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.aperiodic_cqi_pmi_ri_report.cc[0].ri_size = 2;
for (int ri = 0;
ri < (1 << ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.aperiodic_cqi_pmi_ri_report.cc[0].ri_size);
ri++)
ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.aperiodic_cqi_pmi_ri_report.cc[0].dl_cqi_pmi_size[ri] = dl_cqi_pmi_size;
ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.delta_offset_cqi = betaOffset_CQI_Index;
ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9.delta_offset_ri = betaOffset_RI_Index;
}
}
void fill_ulsch_dci(PHY_VARS_eNB *eNB,
int frame,
int subframe,
Sched_Rsp_t *sched_resp,
uint16_t rnti,
void *UL_dci,
int first_rb,
int nb_rb,
int mcs,
int modulation_type,
int ndi,
int TBS,
int cqi_flag,
uint8_t beta_CQI,
uint8_t beta_RI,
uint8_t cqi_size) {
nfapi_ul_config_request_body_t *ul_req=&sched_resp->UL_req->ul_config_request_body;
int harq_pid = ((frame*10)+subframe)&7;
//printf("ulsch in frame %d, subframe %d => harq_pid %d, mcs %d, ndi %d\n",frame,subframe,harq_pid,mcs,ndi);
switch (eNB->frame_parms.N_RB_UL) {
case 6:
break;
case 25:
if (eNB->frame_parms.frame_type == TDD) {
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->type = 0;
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->rballoc = computeRIV(eNB->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,eNB->frame_parms.N_RB_UL,((DCI0_5MHz_TDD_1_6_t*)UL_dci)->rballoc,*(uint32_t *)UL_dci);
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->mcs = mcs;
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->ndi = ndi;
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->TPC = 0;
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->cqi_req = cqi_flag&1;
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->cshift = 0;
((DCI0_5MHz_TDD_1_6_t *)UL_dci)->dai = 1;
} else {
((DCI0_5MHz_FDD_t *)UL_dci)->type = 0;
((DCI0_5MHz_FDD_t *)UL_dci)->rballoc = computeRIV(eNB->frame_parms.N_RB_UL,first_rb,nb_rb); // 12 RBs from position 8
// printf("nb_rb %d/%d, rballoc %d (dci %x) (dcip %p)\n",nb_rb,eNB->frame_parms.N_RB_UL,((DCI0_5MHz_FDD_t*)UL_dci)->rballoc,*(uint32_t *)UL_dci,UL_dci);
((DCI0_5MHz_FDD_t *)UL_dci)->mcs = mcs;
((DCI0_5MHz_FDD_t *)UL_dci)->ndi = ndi;
((DCI0_5MHz_FDD_t *)UL_dci)->TPC = 0;
((DCI0_5MHz_FDD_t *)UL_dci)->cqi_req = cqi_flag&1;
((DCI0_5MHz_FDD_t *)UL_dci)->cshift = 0;
}
break;
case 50:
if (eNB->frame_parms.frame_type == TDD) {
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->type = 0;
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->rballoc = computeRIV(eNB->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,eNB->frame_parms.N_RB_UL,((DCI0_10MHz_TDD_1_6_t*)UL_dci)->rballoc,*(uint32_t *)UL_dci);
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->mcs = mcs;
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->ndi = ndi;
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->TPC = 0;
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->cqi_req = cqi_flag&1;
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->cshift = 0;
((DCI0_10MHz_TDD_1_6_t *)UL_dci)->dai = 1;
} else {
((DCI0_10MHz_FDD_t *)UL_dci)->type = 0;
((DCI0_10MHz_FDD_t *)UL_dci)->rballoc = computeRIV(eNB->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,eNB->frame_parms.N_RB_UL,((DCI0_10MHz_FDD_t*)UL_dci)->rballoc,*(uint32_t *)UL_dci);
((DCI0_10MHz_FDD_t *)UL_dci)->mcs = mcs;
((DCI0_10MHz_FDD_t *)UL_dci)->ndi = ndi;
((DCI0_10MHz_FDD_t *)UL_dci)->TPC = 0;
((DCI0_10MHz_FDD_t *)UL_dci)->cqi_req = cqi_flag&1;
((DCI0_10MHz_FDD_t *)UL_dci)->cshift = 0;
}
break;
case 100:
if (eNB->frame_parms.frame_type == TDD) {
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->type = 0;
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->rballoc = computeRIV(eNB->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,eNB->frame_parms.N_RB_UL,((DCI0_20MHz_TDD_1_6_t*)UL_dci)->rballoc,*(uint32_t *)UL_dci);
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->mcs = mcs;
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->ndi = ndi;
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->TPC = 0;
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->cqi_req = cqi_flag&1;
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->cshift = 0;
((DCI0_20MHz_TDD_1_6_t *)UL_dci)->dai = 1;
} else {
((DCI0_20MHz_FDD_t *)UL_dci)->type = 0;
((DCI0_20MHz_FDD_t *)UL_dci)->rballoc = computeRIV(eNB->frame_parms.N_RB_UL,first_rb,nb_rb); // 12 RBs from position 8
// printf("nb_rb %d/%d, rballoc %d (dci %x) (UL_dci %p)\n",nb_rb,eNB->frame_parms.N_RB_UL,((DCI0_20MHz_FDD_t*)UL_dci)->rballoc,*(uint32_t *)UL_dci,(void*)UL_dci);
((DCI0_20MHz_FDD_t *)UL_dci)->mcs = mcs;
((DCI0_20MHz_FDD_t *)UL_dci)->ndi = ndi;
((DCI0_20MHz_FDD_t *)UL_dci)->TPC = 0;
((DCI0_20MHz_FDD_t *)UL_dci)->cqi_req = cqi_flag&1;
((DCI0_20MHz_FDD_t *)UL_dci)->cshift = 0;
}
break;
default:
break;
}
fill_nfapi_ulsch_config_request(&ul_req->ul_config_pdu_list[0],
cqi_flag&1,
1, // p_eNB
0, // reportmode Aperiodic
beta_CQI,
beta_RI,
cqi_size,
//cc,
//UE_template->physicalConfigDedicated,
1,
0,
14, // rnti
first_rb, // resource_block_start
nb_rb, // number_of_resource_blocks
modulation_type,
0, // cyclic_shift_2_for_drms
0, // frequency_hopping_enabled_flag
0, // frequency_hopping_bits
ndi, // new_data_indication
mcs>28?(mcs-28):0, // redundancy_version
harq_pid, // harq_process_number
0, // ul_tx_mode
0, // current_tx_nb
0, // n_srs
TBS);
sched_resp->UL_req->header.message_id = NFAPI_UL_CONFIG_REQUEST;
ul_req->number_of_pdus=1;
ul_req->tl.tag = NFAPI_UL_CONFIG_REQUEST_BODY_TAG;
}
enum eTypes { eBool, eInt, eFloat, eText };
static int verbose,help,disable_bundling=0,cqi_flag=0, extended_prefix_flag=0, test_perf=0, subframe=3, transmission_m=1,n_rx=1;
configmodule_interface_t *uniqCfg = NULL;
int main(int argc, char **argv) {
int i,j,aa,u;
PHY_VARS_eNB *eNB;
PHY_VARS_UE *UE;
RU_t *ru;
int aarx,aatx;
double channelx,channely;
static double sigma2, sigma2_dB=10,SNR,SNR2=0,snr0=-2.0,snr1,SNRmeas,rate,saving_bler=0;
static double input_snr_step=.2,snr_int=30;
double blerr;
int rvidx[8]= {0,2,3,1,0,2,3,1};
int **txdata;
LTE_DL_FRAME_PARMS *frame_parms;
double s_re0[30720],s_im0[30720],r_re0[30720],r_im0[30720];
double s_re1[30720],s_im1[30720],r_re1[30720],r_im1[30720];
double r_re2[30720],r_im2[30720];
double r_re3[30720],r_im3[30720];
double *s_re[NB_ANTENNAS_TX]= {s_re0,s_re1, NULL, NULL};
double *s_im[NB_ANTENNAS_TX]= {s_im0,s_im1, NULL, NULL};
double *r_re[NB_ANTENNAS_RX]= {r_re0,r_re1,r_re2,r_re3};
double *r_im[NB_ANTENNAS_RX]= {r_im0,r_im1,r_im2,r_im3};
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;
int 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;
static int nb_rb=25,first_rb=0,mcs=0,round=0;
//unsigned char l;
SCM_t channel_model=Rice1;
unsigned char *input_buffer=0,harq_pid;
unsigned short input_buffer_length;
unsigned int ret;
unsigned int coded_bits_per_codeword,nsymb;
unsigned int tx_lev = 0, tx_lev_dB = 0, trials, errs[6] = {0}, round_trials[4] = {0};
FILE *bler_fd=NULL;
char bler_fname[512];
FILE *time_meas_fd=NULL;
char time_meas_fname[256];
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=NULL;
char csv_fname[512];
static int n_frames=5000;
static int n_ch_rlz = 1;
static int abstx = 0;
int hold_channel=0;
channel_desc_t *UE2eNB;
//uint8_t control_only_flag = 0;
static int delay = 0;
static double maxDoppler = 0.0;
static int srs_flag = 0;
static int N_RB_DL=25,osf=1;
//uint8_t cyclic_shift = 0;
static uint8_t beta_ACK=0,beta_RI=0,beta_CQI=2,cqi_size=11;
static uint8_t tdd_config=3,frame_type=FDD;
static int N0=30;
static double tx_gain=1.0;
double cpu_freq_GHz;
int iter_trials;
uint32_t UL_alloc_pdu;
int dump_perf=0;
static int dump_table =0;
double effective_rate=0.0;
char channel_model_input[10]= {0};
static int max_turbo_iterations=4;
int nb_rb_set = 0;
int sf;
static int threequarter_fs=0;
int ndi;
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));
UL_req.ul_config_request_body.ul_config_pdu_list = ul_config_pdu_list;
TX_req.tx_request_body.tx_pdu_list = tx_pdu_list;
cpu_freq_GHz = (double)get_cpu_freq_GHz();
cpuf = cpu_freq_GHz;
set_parallel_conf("PARALLEL_SINGLE_THREAD");
printf("Detected cpu_freq %f GHz\n",cpu_freq_GHz);
uniqCfg = load_configmodule(argc, argv, CONFIG_ENABLECMDLINEONLY);
AssertFatal(uniqCfg != NULL, "Cannot load configuration module, exiting\n");
logInit();
set_glog(OAILOG_INFO);
// enable these lines if you need debug info
// however itti will catch all signals, so ctrl-c won't work anymore
// alternatively you can disable ITTI completely in CMakeLists.txt
// set_comp_log(PHY,LOG_DEBUG,LOG_HIGH,1);
// set_glog(LOG_DEBUG,LOG_HIGH);
//hapZEbm:n:Y:X:x:s:w:e:q:d:D:O:c:r:i:f:y:c:oA:C:R:g:N:l:S:T:QB:PI:LF
static paramdef_t options[] = {
{ "awgn", "Use AWGN channel and not multipath", PARAMFLAG_BOOL, .strptr=NULL, .defintval=0, TYPE_INT, 0, NULL, NULL },
{ "BnbRBs", "The LTE bandwith in RBs (100 is 20MHz)",0, .iptr=&N_RB_DL, .defintval=25, TYPE_INT, 0 },
{ "mcs", "The MCS to use", 0, .iptr=&mcs, .defintval=10, TYPE_INT, 0 },
{ "nb_frame", "number of frame in a test",0, .iptr=&n_frames, .defintval=1, TYPE_INT, 0 },
{ "snr", "starting snr", 0, .dblptr=&snr0, .defdblval=-2.9, TYPE_DOUBLE, 0 },
{ "wsnrInterrupt", "snr int ?", 0, .dblptr=&snr_int, .defdblval=30, TYPE_DOUBLE, 0 },
{ "e_snr_step", "step increasing snr",0, .dblptr=&input_snr_step, .defdblval=0.2, TYPE_DOUBLE, 0 },
{ "rb_dynamic", "number of rb in dynamic allocation",0, .iptr=NULL, .defintval=0, TYPE_INT, 0 },
{ "first_rb", "first rb used in dynamic allocation",0, .iptr=&first_rb, .defintval=0, TYPE_INT, 0 },
{ "osrs", "enable srs generation",PARAMFLAG_BOOL, .iptr=&srs_flag, .defintval=0, 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 },
{ "delay_chan", "Channel delay",0, .iptr=&delay, .defintval=0, TYPE_INT, 0 },
{ "Doppler", "Maximum doppler shift",0, .dblptr=&maxDoppler, .defdblval=0.0, TYPE_DOUBLE, 0 },
{ "Zdump", "dump table",PARAMFLAG_BOOL, .iptr=&dump_table, .defintval=0, TYPE_INT, 0 },
{ "Lparallel", "Enable parallel execution",0, .strptr=NULL, .defstrval=NULL, TYPE_STRING, 0 },
{ "Iterations", "Number of iterations of turbo decoder", 0, .iptr=&max_turbo_iterations, .defintval=4, TYPE_INT, 0 },
{ "Performance", "Display CPU perfomance of each L1 piece", PARAMFLAG_BOOL, .iptr=NULL, .defintval=0, TYPE_INT, 0 },
{ "Q_cqi", "Enable CQI", PARAMFLAG_BOOL, .iptr=&cqi_flag, .defintval=0, TYPE_INT, 0 },
{ "prefix_extended","Extended prefix", PARAMFLAG_BOOL, .iptr=&extended_prefix_flag, .defintval=0, TYPE_INT, 0 },
{ "RI_beta", "TBD", 0, .iptr=NULL, .defintval=0, TYPE_INT, 0 },
{ "CQI_beta", "TBD",0, .iptr=NULL, .defintval=0, TYPE_INT, 0 },
{ "ACK_beta", "TBD",0, .iptr=NULL, .defintval=0, TYPE_INT, 0 },
{ "input_file", "input IQ data file",0, .iptr=NULL, .defintval=0, TYPE_INT, 0 },
{ "N0", "N0",0, .iptr=&N0, .defintval=30, TYPE_INT, 0 },
{ "EsubSampling","three quarters sub-sampling",PARAMFLAG_BOOL, .iptr=&threequarter_fs, .defintval=0, TYPE_INT, 0 },
{ "TDD", "Enable TDD and set the tdd configuration mode",0, .iptr=NULL, .defintval=25, TYPE_INT, 0 },
{ "Subframe", "subframe to use",0, .iptr=&subframe, .defintval=3, TYPE_INT, 0 },
{ "xTransmission","transmission mode (1 or 2 are supported)",0, .iptr=NULL, .defintval=25, TYPE_INT, 0 },
{ "yN_rx", "TBD: n_rx",0, .iptr=&n_rx, .defintval=1, TYPE_INT, 0 },
{ "bundling_disable", "bundling disable",PARAMFLAG_BOOL, .iptr=&disable_bundling, .defintval=0, TYPE_INT, 0 },
{ "Y", "n_ch_rlz",0, .iptr=&n_ch_rlz, .defintval=1, TYPE_INT, 0 },
{ "X", "abstx", PARAMFLAG_BOOL, .iptr=&abstx, .defintval=0, TYPE_INT, 0 },
{ "Tperf", "Set the percentage of effective rate to testbench the modem performance (typically 30 and 70, range 1-100)",0, .iptr=&test_perf, .defintval=0, TYPE_INT, 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;
/* disable error messages from getopt_long_only */
opterr = 0;
while ((res=getopt_long_only(argc, argv, "-", long_options, &option_index)) >= 0) {
/* ignore configmodule options and their arguments*/
/* with these opstring and long_options getopt returns 1 for non-option arguments and '?' for unrecognized long options, refer to 'man 3 getopt' */
if (res == 1 || res == '?')
continue;
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 'T':
tdd_config=atoi(optarg);
frame_type=TDD;
break;
case 'a':
channel_model = AWGN;
chMod = 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},
{'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;
chMod=ptr->M;
break;
}
AssertFatal(ptr->opt != 0, "Unsupported channel model: %s !\n", optarg );
break;
case 'x':
transmission_m=atoi(optarg);
AssertFatal(transmission_m==1 || transmission_m==2,
"Unsupported transmission mode %d\n",transmission_m);
break;
case 'r':
nb_rb = atoi(optarg);
nb_rb_set = 1;
break;
//case 'c':
// cyclic_shift = atoi(optarg);
// break;
case 'i':
input_fdUL = fopen(optarg,"r");
printf("Reading in %s (%p)\n",optarg,input_fdUL);
AssertFatal(input_fdUL != (FILE *)NULL,"Unknown file %s\n",optarg);
break;
case 'A':
beta_ACK = atoi(optarg);
AssertFatal(beta_ACK>15,"beta_ack must be in (0..15)\n");
break;
case 'C':
beta_CQI = atoi(optarg);
AssertFatal((beta_CQI>15)||(beta_CQI<2),"beta_cqi must be in (2..15)\n");
break;
case 'R':
beta_RI = atoi(optarg);
AssertFatal((beta_RI>15)||(beta_RI<2),"beta_ri must be in (0..13)\n");
break;
case 'P':
dump_perf=1;
cpu_meas_enabled = 1;
break;
case 'L':
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");
RC.nb_L1_inst = 1;
RC.nb_RU = 1;
lte_param_init(&eNB,&UE,&ru,
1,
1,
n_rx,
1,
1,
extended_prefix_flag,
frame_type,
0,
tdd_config,
N_RB_DL,
4,
threequarter_fs,
osf,
0);
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;
for (int k=0; k<eNB->RU_list[0]->nb_rx; k++) eNB->common_vars.rxdataF[k] = eNB->RU_list[0]->common.rxdataF[k];
memset((void *)&eNB->UL_INFO,0,sizeof(eNB->UL_INFO));
printf("Setting indication lists\n");
eNB->UL_INFO.rx_ind.rx_indication_body.rx_pdu_list = eNB->rx_pdu_list;
eNB->UL_INFO.crc_ind.crc_indication_body.crc_pdu_list = eNB->crc_pdu_list;
eNB->UL_INFO.sr_ind.sr_indication_body.sr_pdu_list = eNB->sr_pdu_list;
eNB->UL_INFO.harq_ind.harq_indication_body.harq_pdu_list = eNB->harq_pdu_list;
eNB->UL_INFO.cqi_ind.cqi_indication_body.cqi_pdu_list = eNB->cqi_pdu_list;
eNB->UL_INFO.cqi_ind.cqi_indication_body.cqi_raw_pdu_list = eNB->cqi_raw_pdu_list;
printf("lte_param_init done\n");
// for a call to phy_reset_ue later we need PHY_vars_UE_g allocated and pointing to UE
PHY_vars_UE_g = (PHY_VARS_UE ** *)malloc(sizeof(PHY_VARS_UE **));
PHY_vars_UE_g[0] = (PHY_VARS_UE **) malloc(sizeof(PHY_VARS_UE *));
PHY_vars_UE_g[0][0] = UE;
if (nb_rb_set == 0)
nb_rb = eNB->frame_parms.N_RB_UL;
printf("1 . rxdataF_comp[0] %p\n",eNB->pusch_vars[0]->rxdataF_comp[0]);
printf("Setting mcs = %d\n",mcs);
printf("n_frames = %d\n", n_frames);
snr1 = snr0+snr_int;
printf("SNR0 %f, SNR1 %f\n",snr0,snr1);
frame_parms = &eNB->frame_parms;
txdata = UE->common_vars.txdata;
nsymb = (eNB->frame_parms.Ncp == NORMAL) ? 14 : 12;
sprintf(bler_fname,"ULbler_mcs%d_nrb%d_ChannelModel%d_nsim%d.csv",mcs,nb_rb,chMod,n_frames);
bler_fd = fopen(bler_fname,"w");
if (bler_fd==NULL) {
fprintf(stderr,"Problem creating file %s\n",bler_fname);
exit(-1);
}
fprintf(bler_fd,"#SNR;mcs;nb_rb;TBS;rate;errors[0];trials[0];errors[1];trials[1];errors[2];trials[2];errors[3];trials[3]\n");
if (test_perf != 0) {
char hostname[1024];
hostname[1023] = '\0';
gethostname(hostname, 1023);
printf("Hostname: %s\n", hostname);
sprintf(time_meas_fname,"time_meas_prb%d_mcs%d_antrx%d_channel%s_tx%d.csv",
N_RB_DL,mcs,n_rx,channel_model_input,transmission_m);
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,"EULdataout_tx%d_mcs%d_nbrb%d_chan%d_nsimus%d_eren.m",transmission_m,mcs,nb_rb,chMod,n_frames);
csv_fdUL = fopen(csv_fname,"w");
if (csv_fdUL == NULL) {
fprintf(stderr,"Problem opening file %s\n",csv_fname);
exit(-1);
}
fprintf(csv_fdUL,"data_all%d=[",mcs);
}
UE->pdcch_vars[0][0]->crnti = 14;
UE->frame_parms.soundingrs_ul_config_common.enabled_flag = srs_flag;
UE->frame_parms.soundingrs_ul_config_common.srs_BandwidthConfig = 2;
UE->frame_parms.soundingrs_ul_config_common.srs_SubframeConfig = 3;
UE->soundingrs_ul_config_dedicated[eNB_id].srsConfigDedicatedSetup = srs_flag;
UE->soundingrs_ul_config_dedicated[eNB_id].duration = 1;
UE->soundingrs_ul_config_dedicated[eNB_id].srs_ConfigIndex = 2;
UE->soundingrs_ul_config_dedicated[eNB_id].srs_Bandwidth = 0;
UE->soundingrs_ul_config_dedicated[eNB_id].transmissionComb = 0;
UE->soundingrs_ul_config_dedicated[eNB_id].freqDomainPosition = 0;
UE->soundingrs_ul_config_dedicated[eNB_id].cyclicShift = 0;
eNB->frame_parms.soundingrs_ul_config_common.enabled_flag = srs_flag;
eNB->frame_parms.soundingrs_ul_config_common.srs_BandwidthConfig = 2;
eNB->frame_parms.soundingrs_ul_config_common.srs_SubframeConfig = 3;
eNB->soundingrs_ul_config_dedicated[UE_id].srsConfigDedicatedSetup = srs_flag;
eNB->soundingrs_ul_config_dedicated[UE_id].duration = 1;
eNB->soundingrs_ul_config_dedicated[UE_id].srs_ConfigIndex = 2;
eNB->soundingrs_ul_config_dedicated[UE_id].srs_Bandwidth = 0;
eNB->soundingrs_ul_config_dedicated[UE_id].transmissionComb = 0;
eNB->soundingrs_ul_config_dedicated[UE_id].freqDomainPosition = 0;
eNB->soundingrs_ul_config_dedicated[UE_id].cyclicShift = 0;
eNB->pusch_config_dedicated[UE_id].betaOffset_ACK_Index = beta_ACK;
eNB->pusch_config_dedicated[UE_id].betaOffset_RI_Index = beta_RI;
eNB->pusch_config_dedicated[UE_id].betaOffset_CQI_Index = beta_CQI;
UE->pusch_config_dedicated[eNB_id].betaOffset_ACK_Index = beta_ACK;
UE->pusch_config_dedicated[eNB_id].betaOffset_RI_Index = beta_RI;
UE->pusch_config_dedicated[eNB_id].betaOffset_CQI_Index = beta_CQI;
UE->ul_power_control_dedicated[eNB_id].deltaMCS_Enabled = 1;
// disable periodic cqi/ri reporting
UE->cqi_report_config[eNB_id].CQI_ReportPeriodic.ri_ConfigIndex = -1;
UE->cqi_report_config[eNB_id].CQI_ReportPeriodic.cqi_PMI_ConfigIndex = -1;
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(1,
n_rx,
channel_model,
N_RB2sampling_rate(eNB->frame_parms.N_RB_UL),
0,
N_RB2channel_bandwidth(eNB->frame_parms.N_RB_UL),
30e-9,
maxDoppler,
CORR_LEVEL_LOW,
forgetting_factor,
delay,
0,
0);
// NN: N_RB_UL has to be defined in ulsim
for (int k=0; k<NUMBER_OF_ULSCH_MAX; k++) eNB->ulsch[k] = new_eNB_ulsch(max_turbo_iterations,N_RB_DL,0);
UE->ulsch[0] = new_ue_ulsch(N_RB_DL,0);
printf("ULSCH %p\n",UE->ulsch[0]);
if(get_thread_worker_conf() == WORKER_ENABLE) {
extern void init_fep_thread(RU_t *, pthread_attr_t *);
init_fep_thread(ru, NULL);
}
// Create transport channel structures for 2 transport blocks (MIMO)
for (i=0; i<2; i++) {
eNB->dlsch[0][i] = new_eNB_dlsch(1,8,1827072,N_RB_DL,0,&eNB->frame_parms);
if (!eNB->dlsch[0][i]) {
printf("Can't get eNB dlsch structures\n");
exit(-1);
}
eNB->dlsch[0][i]->rnti = 14;
}
/* 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(1,8,1827072,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 = 14;
}
}
UE->dlsch_SI[0] = new_ue_dlsch(1,1,1827072,MAX_TURBO_ITERATIONS,N_RB_DL,0);
UE->dlsch_ra[0] = new_ue_dlsch(1,1,1827072,MAX_TURBO_ITERATIONS,N_RB_DL,0);
UE->measurements.rank[0] = 0;
UE->transmission_mode[0] = 2;
UE->pucch_config_dedicated[0].tdd_AckNackFeedbackMode = disable_bundling == 0 ? bundling : multiplexing;
eNB->transmission_mode[0] = 2;
eNB->pucch_config_dedicated[0].tdd_AckNackFeedbackMode = disable_bundling == 0 ? bundling : multiplexing;
UE->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1;
eNB->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 1;
UE->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0;
eNB->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0;
UE->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0;
eNB->frame_parms.pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0;
UE->mac_enabled=0;
L1_rxtx_proc_t *proc_rxtx = &eNB->proc.L1_proc;
UE_rxtx_proc_t *proc_rxtx_ue = &UE->proc.proc_rxtx[subframe&1];
proc_rxtx->frame_rx=1;
proc_rxtx->subframe_rx=subframe;
proc_rxtx->frame_tx=pdcch_alloc2ul_frame(&eNB->frame_parms,1,subframe);
proc_rxtx->subframe_tx=pdcch_alloc2ul_subframe(&eNB->frame_parms,subframe);
proc_rxtx_ue->frame_tx = proc_rxtx->frame_rx;
proc_rxtx_ue->frame_rx = (subframe<4)?(proc_rxtx->frame_tx-1):(proc_rxtx->frame_tx);
proc_rxtx_ue->subframe_tx = proc_rxtx->subframe_rx;
proc_rxtx_ue->subframe_rx = (proc_rxtx->subframe_tx+6)%10;
proc_rxtx->threadPool = (tpool_t *)malloc(sizeof(tpool_t));
proc_rxtx->respDecode=(notifiedFIFO_t*) malloc(sizeof(notifiedFIFO_t));
initTpool("n", proc_rxtx->threadPool, true);
initNotifiedFIFO(proc_rxtx->respDecode);
printf("Init UL hopping UE\n");
init_ul_hopping(&UE->frame_parms);
printf("Init UL hopping eNB\n");
init_ul_hopping(&eNB->frame_parms);
UE->dlsch[subframe&1][0][0]->harq_ack[ul_subframe2pdcch_alloc_subframe(&eNB->frame_parms,subframe)].send_harq_status = 1;
UE->ulsch_Msg3_active[eNB_id] = 0;
UE->ul_power_control_dedicated[eNB_id].accumulationEnabled=1;
coded_bits_per_codeword = nb_rb * (12 * get_Qm_ul(mcs)) * nsymb;
if (cqi_flag == 1) coded_bits_per_codeword-=UE->ulsch[0]->O;
rate = (double)TBStable[get_I_TBS(mcs)][nb_rb - 1] / (coded_bits_per_codeword);
printf("Rate = %f (mod %d), coded bits %u\n",rate,get_Qm_ul(mcs),coded_bits_per_codeword);
for (ch_realization=0; ch_realization<n_ch_rlz; ch_realization++) {
/*
if(abstx){
int ulchestim_f[300*12];
int ulchestim_t[2*(frame_parms->ofdm_symbol_size)];
}
*/
if(abstx) {
printf("**********************Channel Realization Index = %d **************************\n", ch_realization);
saving_bler=1;
}
// if ((subframe>5) || (subframe < 4))
// UE->frame++;
for (SNR=snr0; SNR<snr1; SNR+=input_snr_step) {
errs[0]=0;
errs[1]=0;
errs[2]=0;
errs[3]=0;
round_trials[0] = 0;
round_trials[1] = 0;
round_trials[2] = 0;
round_trials[3] = 0;
cqi_errors=0;
ack_errors=0;
cqi_crc_falsepositives=0;
cqi_crc_falsenegatives=0;
round=0;
//randominit(0);
harq_pid = subframe2harq_pid(&UE->frame_parms,proc_rxtx_ue->frame_tx,subframe);
input_buffer_length = UE->ulsch[0]->harq_processes[harq_pid]->TBS/8;
if ( input_buffer != NULL )
free(input_buffer);
input_buffer = (unsigned char *)memalign(32,input_buffer_length+64);
// printf("UL frame %d/subframe %d, harq_pid %d\n",UE->frame,subframe,harq_pid);
if (input_fdUL == NULL) {
if (n_frames == 1) {
trch_out_fdUL= fopen("ulsch_trchUL.txt","w");
for (i=0; i<input_buffer_length; i++) {
input_buffer[i] = taus()&0xff;
for (j=0; j<8; j++)
fprintf(trch_out_fdUL,"%d\n",(input_buffer[i]>>(7-j))&1);
}
fclose(trch_out_fdUL);
} else {
for (i=0; i<input_buffer_length; i++)
input_buffer[i] = taus()&0xff;
}
} else {
n_frames=1;
i=0;
while (!feof(input_fdUL)) {
ret=fscanf(input_fdUL,"%49s %49s",input_val_str,input_val_str2);//&input_val1,&input_val2);
if (ret != 2) printf("ERROR: error reading file\n");
if ((i%4)==0) {
((short *)txdata[0])[i/2] = (short)((1<<15)*strtod(input_val_str,NULL));
((short *)txdata[0])[(i/2)+1] = (short)((1<<15)*strtod(input_val_str2,NULL));
if ((i/4)<100)
printf("sample %d => %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);
// LOG_M("txsig0UL.m","txs0", txdata[0],2*frame_parms->samples_per_tti,1,1);
// LOG_M("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);
}
iter_trials=0;
reset_meas(&UE->phy_proc_tx);
reset_meas(&UE->ofdm_mod_stats);
reset_meas(&UE->ulsch_modulation_stats);
reset_meas(&UE->ulsch_encoding_stats);
reset_meas(&UE->ulsch_interleaving_stats);
reset_meas(&UE->ulsch_rate_matching_stats);
reset_meas(&UE->ulsch_turbo_encoding_stats);
reset_meas(&UE->ulsch_segmentation_stats);
reset_meas(&UE->ulsch_multiplexing_stats);
reset_meas(&eNB->phy_proc_rx);
reset_meas(&eNB->ulsch_channel_estimation_stats);
reset_meas(&eNB->ulsch_freq_offset_estimation_stats);
reset_meas(&eNB->rx_dft_stats);
reset_meas(&eNB->ulsch_decoding_stats);
reset_meas(&eNB->ulsch_turbo_decoding_stats);
reset_meas(&eNB->ulsch_deinterleaving_stats);
reset_meas(&eNB->ulsch_demultiplexing_stats);
reset_meas(&eNB->ulsch_rate_unmatching_stats);
reset_meas(&eNB->ulsch_demodulation_stats);
reset_meas(&eNB->ulsch_tc_init_stats);
reset_meas(&eNB->ulsch_tc_alpha_stats);
reset_meas(&eNB->ulsch_tc_beta_stats);
reset_meas(&eNB->ulsch_tc_gamma_stats);
reset_meas(&eNB->ulsch_tc_ext_stats);
reset_meas(&eNB->ulsch_tc_intl1_stats);
reset_meas(&eNB->ulsch_tc_intl2_stats);
// 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));
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));
ndi=0;
phy_reset_ue(0,0,0);
UE->UE_mode[eNB_id]=PUSCH;
SET_LOG_DEBUG(UE_TIMING);
for (trials = 0; trials<n_frames; trials++) {
// printf("*");
// UE->frame++;
// eNB->frame++;
ndi = (1-ndi);
fflush(stdout);
round=0;
while (round < 4) {
proc_rxtx->frame_rx=1;
proc_rxtx->subframe_rx=subframe;
proc_rxtx->frame_tx=pdcch_alloc2ul_frame(&eNB->frame_parms,1,subframe);
proc_rxtx->subframe_tx=pdcch_alloc2ul_subframe(&eNB->frame_parms,subframe);
proc_rxtx_ue->frame_tx = proc_rxtx->frame_rx;
proc_rxtx_ue->frame_rx = (subframe<4)?(proc_rxtx->frame_tx-1):(proc_rxtx->frame_tx);
proc_rxtx_ue->subframe_tx = proc_rxtx->subframe_rx;
proc_rxtx_ue->subframe_rx = (proc_rxtx->subframe_tx+6)%10;
eNB->ulsch[0]->harq_processes[harq_pid]->round=round;
UE->ulsch[0]->harq_processes[harq_pid]->round=round;
if (n_frames==1) printf("filling ulsch: Trial %u : Round %d (subframe %d, frame %d)\n",trials,round,proc_rxtx_ue->subframe_tx,proc_rxtx_ue->frame_tx);
round_trials[round]++;
UL_req.sfn_sf = (1<<4)+subframe;
if (n_frames==1) printf("filling ulsch: eNB prog frame %d, subframe %d (%d,%d)\n",proc_rxtx->frame_rx,subframe,sched_resp.frame,sched_resp.subframe);
int modulation_type;
if (mcs < 11) modulation_type = 2;
else if (mcs < 21) modulation_type = 4;
else if (mcs < 29) modulation_type = 6;
else {
LOG_E(SIM,"mcs %i is not valid\n",mcs);
exit(-1);
}
fill_ulsch_dci(eNB, proc_rxtx->frame_rx, subframe, &sched_resp, 14,
(void *)&UL_alloc_pdu, first_rb,nb_rb, (round==0)?mcs:(28+rvidx[round]),
modulation_type, ndi, get_TBS_UL(mcs,nb_rb), cqi_flag, beta_CQI,
beta_RI, cqi_size);
UE->ulsch_Msg3_active[eNB_id] = 0;
UE->ul_power_control_dedicated[eNB_id].accumulationEnabled=1;
if (n_frames==1)
printf("filling ulsch: ue prog SFN/SF %d/%d\n",proc_rxtx_ue->frame_rx,proc_rxtx_ue->subframe_rx);
generate_ue_ulsch_params_from_dci((void *)&UL_alloc_pdu,
14,
(subframe+6)%10,
format0,
UE,
proc_rxtx_ue,
SI_RNTI,
0,
P_RNTI,
CBA_RNTI,
0,
srs_flag);
sched_resp.subframe=(subframe+6)%10;
sched_resp.frame=(1024+eNB->proc.frame_rx+((subframe<4)?-1:0))&1023;
schedule_response(&sched_resp, proc_rxtx);
/////////////////////
if (abstx) {
if (trials==0 && round==0 && SNR==snr0) { //generate a new channel
hold_channel = 0;
} else {
hold_channel = 1;
}
} else {
hold_channel = 0;
}
///////////////////////////////////////
if (input_fdUL == NULL) {
eNB->proc.frame_rx = 1;
eNB->proc.subframe_rx = subframe;
ru->proc.frame_rx = 1;
ru->proc.tti_rx = subframe;
proc_rxtx_ue->frame_tx = proc_rxtx->frame_rx;
proc_rxtx_ue->frame_rx = proc_rxtx->frame_tx;
proc_rxtx_ue->subframe_tx = proc_rxtx->subframe_rx;
proc_rxtx_ue->subframe_rx = proc_rxtx->subframe_tx;
phy_procedures_UE_TX(UE,proc_rxtx_ue,0,0,normal_txrx);
tx_lev = signal_energy(&UE->common_vars.txdata[0][eNB->frame_parms.samples_per_tti*subframe],
eNB->frame_parms.samples_per_tti);
if (n_frames==1) {
LOG_M("txsigF0UL.m","txsF0", &UE->common_vars.txdataF[0][eNB->frame_parms.ofdm_symbol_size*nsymb*subframe],eNB->frame_parms.ofdm_symbol_size*nsymb,1,
1);
//LOG_M("txsigF1.m","txsF1", UE->common_vars.txdataF[0],FRAME_LENGTH_COMPLEX_SAMPLES_NO_PREFIX,1,1);
}
} // input_fd == NULL
tx_lev_dB = (unsigned int) dB_fixed_times10(tx_lev);
if (n_frames==1) {
LOG_M("txsig0UL.m","txs0", &txdata[0][eNB->frame_parms.samples_per_tti*subframe],2*frame_parms->samples_per_tti,1,1);
// LOG_M("txsig1UL.m","txs1", &txdata[1][eNB->frame_parms.samples_per_tti*subframe],2*frame_parms->samples_per_tti,1,1);
}
//AWGN
//Set target wideband RX noise level to N0
sigma2_dB = N0;//-10*log10(UE->frame_parms.ofdm_symbol_size/(UE->frame_parms.N_RB_DL*12));//10*log10((double)tx_lev) +10*log10(UE->frame_parms.ofdm_symbol_size/(UE->frame_parms.N_RB_DL*12)) - SNR;
sigma2 = pow(10,sigma2_dB/10);
// compute tx_gain to achieve target SNR (per resource element!)
tx_gain = sqrt(pow(10.0,.1*(N0+SNR))/(double)tx_lev);// *(nb_rb*12/(double)UE->frame_parms.ofdm_symbol_size)/(double)tx_lev);
if (n_frames==1)
printf("tx_lev = %u (%u.%u dB,%f), gain %f\n",tx_lev,tx_lev_dB/10,tx_lev_dB,10*log10((double)tx_lev),10*log10(tx_gain));
// fill measurement symbol (19) with noise
for (i=0; i<OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES; i++) {
for (aa=0; aa<eNB->frame_parms.nb_antennas_rx; aa++) {
((short *) &ru->common.rxdata[aa][(frame_parms->samples_per_tti<<1) -frame_parms->ofdm_symbol_size])[2*i] = (short) ((sqrt(sigma2/2)*gaussdouble(0.0,1.0)));
((short *) &ru->common.rxdata[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; i<eNB->frame_parms.samples_per_tti; i++) {
for (aa=0; aa<1; aa++) {
s_re[aa][i] = ((double)(((short *)&UE->common_vars.txdata[aa][eNB->frame_parms.samples_per_tti*subframe]))[(i<<1)]);
s_im[aa][i] = ((double)(((short *)&UE->common_vars.txdata[aa][eNB->frame_parms.samples_per_tti*subframe]))[(i<<1)+1]);
}
}
if (UE2eNB->max_Doppler == 0) {
multipath_channel(UE2eNB,s_re,s_im,r_re,r_im,
eNB->frame_parms.samples_per_tti,hold_channel,0);
} else {
multipath_tv_channel(UE2eNB,s_re,s_im,r_re,r_im,
2*eNB->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, 15);
// snr=pow(10.0,.1*SNR);
fprintf(csv_fdUL,"%f,%u,%u,%f,%f,%f,",SNR,tx_lev,tx_lev_dB,sigma2_dB,tx_gain,SNR2);
//fprintf(csv_fdUL,"%f,",SNR);
for (u=0; u<12*nb_rb; u++) {
for (aarx=0; aarx<UE2eNB->nb_rx; aarx++) {
for (aatx=0; aatx<UE2eNB->nb_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].r;
channely = UE2eNB->chF[aarx+(aatx*UE2eNB->nb_rx)][u].i;
// if(transmission_m==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; i<eNB->frame_parms.samples_per_tti; i++) {
for (aa=0; aa<eNB->frame_parms.nb_antennas_rx; aa++) {
((short *) &ru->common.rxdata[aa][eNB->frame_parms.samples_per_tti*subframe])[2*i] =
(short) ((tx_gain*r_re[aa][i]) + sqrt(sigma2/2)*gaussdouble(0.0,1.0));
((short *) &ru->common.rxdata[aa][eNB->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)
for (i=0; i<eNB->frame_parms.samples_per_tti; i++) {
for (aa=0; aa<eNB->frame_parms.nb_antennas_rx; aa++) {
((short *) &ru->common.rxdata[aa][eNB->frame_parms.samples_per_tti*(subframe+1)%10])[2*i] =
(short) (sqrt(sigma2/2)*gaussdouble(0.0,1.0));
((short *) &ru->common.rxdata[aa][eNB->frame_parms.samples_per_tti*(subframe+1)%10])[2*i+1] =
(short) (sqrt(sigma2/2)*gaussdouble(0.0,1.0));
}
}
if (n_frames<=10) {
printf("rx_level Null symbol %f\n",10*log10((double)signal_energy((int *)
&ru->common.rxdata[0][(eNB->frame_parms.samples_per_tti<<1) -
eNB->frame_parms.ofdm_symbol_size],OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2)));
printf("rx_level data symbol %f\n",
10*log10(signal_energy((int *)&ru->common.rxdata[0][160+(eNB->frame_parms.samples_per_tti*subframe)],
OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2)));
}
SNRmeas = 10*log10(((double)signal_energy((int *)&ru->common.rxdata[0][160+(eNB->frame_parms.samples_per_tti*subframe)],
OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2))/((double)signal_energy((int *)
&ru->common.rxdata[0][(eNB->frame_parms.samples_per_tti<<1) -eNB->frame_parms.ofdm_symbol_size],
OFDM_SYMBOL_SIZE_COMPLEX_SAMPLES/2)) - 1)+10*log10(eNB->frame_parms.N_RB_UL/nb_rb);
if (n_frames<=10) {
printf("SNRmeas %f\n",SNRmeas);
LOG_M("rxsig0UL.m","rxs0", &ru->common.rxdata[0][eNB->frame_parms.samples_per_tti*subframe],eNB->frame_parms.samples_per_tti,1,1);
if (eNB->frame_parms.nb_antennas_rx>1) LOG_M("rxsig1UL.m","rxs1", &ru->common.rxdata[1][eNB->frame_parms.samples_per_tti*subframe],eNB->frame_parms.samples_per_tti,1,1);
}
start_meas(&eNB->phy_proc_rx);
ru->feprx = (get_thread_worker_conf() == WORKER_ENABLE) ? ru_fep_full_2thread : fep_full;
ru->feprx(ru,subframe);
if (n_frames==1) lte_eNB_I0_measurements(eNB,(subframe+1)%10,0,1);
phy_procedures_eNB_uespec_RX(eNB,proc_rxtx);
stop_meas(&eNB->phy_proc_rx);
if (cqi_flag > 0) {
cqi_error = 0;
if (eNB->ulsch[0]->harq_processes[harq_pid]->Or1 < 32) {
for (i=2; i<4; i++) {
// printf("cqi %d : %d (%d)\n",i,eNB->ulsch[0]->o[i],UE->ulsch[0]->o[i]);
if (eNB->ulsch[0]->harq_processes[harq_pid]->o[i] != UE->ulsch[0]->o[i])
cqi_error = 1;
}
} else {
}
if (cqi_error == 1) {
cqi_errors++;
if (eNB->ulsch[0]->harq_processes[harq_pid]->cqi_crc_status == 1)
cqi_crc_falsepositives++;
} else {
if (eNB->ulsch[0]->harq_processes[harq_pid]->cqi_crc_status == 0)
cqi_crc_falsenegatives++;
}
}
if (eNB->ulsch[0]->harq_processes[harq_pid]->o_ACK[0] != UE->ulsch[0]->o_ACK[0])
ack_errors++;
// printf("ulsch_coding: O[%d] %d\n",i,o_flip[i]);
// if (ret <= eNB->ulsch[0]->max_turbo_iterations) {
iter_trials++;
if (eNB->ulsch[0]->harq_processes[harq_pid]->status == SCH_IDLE) {
if (n_frames==1) {
printf("No ULSCH errors found, o_ACK[0]= %d, cqi_crc_status=%d\n",eNB->ulsch[0]->harq_processes[harq_pid]->o_ACK[0],eNB->ulsch[0]->harq_processes[harq_pid]->cqi_crc_status);
if (eNB->ulsch[0]->harq_processes[harq_pid]->cqi_crc_status==1)
print_CQI(eNB->ulsch[0]->harq_processes[harq_pid]->o,
eNB->ulsch[0]->harq_processes[harq_pid]->uci_format,0,eNB->frame_parms.N_RB_DL);
dump_ulsch(eNB,eNB->proc.frame_rx,subframe,0,round);
dump_I0_stats(stdout,eNB);
dump_ulsch_stats(stdout,eNB,0);
exit(-1);
}
round=5;
} else {
errs[round]++;
if (n_frames==1) {
printf("ULSCH errors found o_ACK[0]= %d\n",eNB->ulsch[0]->harq_processes[harq_pid]->o_ACK[0]);
#ifdef DUMP_EACH_VALUE
int Kr_bytes;
for (s=0; s<eNB->ulsch[0]->harq_processes[harq_pid]->C; s++) {
if (s<eNB->ulsch[0]->harq_processes[harq_pid]->Cminus)
Kr_bytes = eNB->ulsch[0]->harq_processes[harq_pid]->Kminus;
else
Kr_bytes = eNB->ulsch[0]->harq_processes[harq_pid]->Kplus;
Kr_bytes = Kr_bytes >> 3;
printf("Decoded_output (Segment %d):\n",s);
for (i=0; i<Kr_bytes; i++)
printf("%d : %x (%x)\n",i,eNB->ulsch[0]->harq_processes[harq_pid]->c[s][i],
eNB->ulsch[0]->harq_processes[harq_pid]->c[s][i]^UE->ulsch[0]->harq_processes[harq_pid]->c[s][i]);
}
#endif
dump_ulsch(eNB,eNB->proc.frame_rx,subframe,0,round);
round=5;
}
if (n_frames==1) printf("round %d errors %u/%u\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;
double t_tx = inMicroS(UE->phy_proc_tx.p_time);
double t_tx_ifft = inMicroS(UE->ofdm_mod_stats.p_time);
double t_tx_mod = inMicroS(UE->ulsch_modulation_stats.p_time);
double t_tx_enc = inMicroS(UE->ulsch_encoding_stats.p_time);
double t_rx = inMicroS(eNB->phy_proc_rx.p_time);
double t_rx_fft = inMicroS(ru->ofdm_demod_stats.p_time);
double t_rx_demod = inMicroS(eNB->ulsch_demodulation_stats.p_time);
double t_rx_dec = inMicroS(eNB->ulsch_decoding_stats.p_time);
if (t_tx > 2000 )// 2ms is too much time for a subframe
n_tx_dropped++;
if (t_rx > 2000 )
n_rx_dropped++;
if (trials < 1000) {
appendVarArray(&table_tx, &t_tx);
appendVarArray(&table_tx_ifft, &t_tx_ifft);
appendVarArray(&table_tx_mod, &t_tx_mod );
appendVarArray(&table_tx_enc, &t_tx_enc );
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
// 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,dataArray(table_tx),table_tx->size,LOG_DUMP_DOUBLE,"The transmitter raw data: \n");
LOG_UDUMPMSG(SIM,dataArray(table_rx),table_rx->size,LOG_DUMP_DOUBLE,"The receiver raw data: \n");
}
dump_ulsch_stats(stdout,eNB,0);
printf("\n**********rb: %d ***mcs : %d *********SNR = %f dB (%f): TX %u dB (gain %f dB), N0W %f dB, I0 %u dB, delta_IF %d [ (%d,%d) dB / (%u,%u) dB ]**************************\n",
nb_rb,mcs,SNR,SNR2,
tx_lev_dB,
20*log10(tx_gain),
(double)N0,
eNB->measurements.n0_power_tot_dB,
get_hundred_times_delta_IF(UE,eNB_id,harq_pid),
dB_fixed(eNB->pusch_vars[0]->ulsch_power[0]),
dB_fixed(eNB->pusch_vars[0]->ulsch_power[1]),
eNB->measurements.n0_power_dB[0],
eNB->measurements.n0_power_dB[1]);
effective_rate = ((double)(round_trials[0])/((double)round_trials[0] + round_trials[1] + round_trials[2] + round_trials[3]));
printf("Errors (%u/%u %u/%u %u/%u %u/%u), Pe = (%e,%e,%e,%e) => effective rate %f (%3.1f%%,%f,%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[0]),
(double)errs[2]/(round_trials[0]),
(double)errs[3]/(round_trials[0]),
rate*effective_rate,
100*effective_rate,
rate,
rate*get_Qm_ul(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->ulsch[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/%u,false positives %d/%u, CQI false negatives %d/%u\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 (eNB->ulsch[0]->harq_processes[harq_pid]->o_ACK[0] > 0)
printf("ACK/NAK errors %d/%u\n",ack_errors,round_trials[0]+round_trials[1]+round_trials[2]+round_trials[3]);
fprintf(bler_fd,"%f;%d;%d;%d;%f;%u;%u;%u;%u;%u;%u;%u;%u\n",
SNR,
mcs,
nb_rb,
eNB->ulsch[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]);
double timeBase=1/(1000*cpu_freq_GHz);
if (dump_perf==1) {
printf("UE TX function statistics (per 1ms subframe)\n\n");
printDistribution(&UE->phy_proc_tx,table_tx,"Total PHY proc tx");
printDistribution(&UE->ofdm_mod_stats, table_tx_ifft, "OFDM_mod time");
printDistribution(&UE->ulsch_modulation_stats,table_tx_mod, "ULSCH modulation time");
printDistribution(&UE->ulsch_encoding_stats,table_tx_enc, "ULSCH encoding time");
printStatIndent(&UE->ulsch_segmentation_stats,"ULSCH segmentation time");
printStatIndent(&UE->ulsch_turbo_encoding_stats,"ULSCH turbo encoding time");
printStatIndent(&UE->ulsch_rate_matching_stats,"ULSCH rate-matching time");
printStatIndent(&UE->ulsch_interleaving_stats,"ULSCH sub-block interleaving");
printStatIndent(&UE->ulsch_multiplexing_stats,"ULSCH multiplexing time");
printf("\n");
printDistribution(&eNB->phy_proc_rx,table_rx,"Total PHY proc rx subframe");
printDistribution(&ru->ofdm_demod_stats,table_rx_fft,"|__ OFDM_demod time");
printDistribution(&eNB->ulsch_demodulation_stats,table_rx_demod,"|__ ULSCH demodulation time");
printDistribution(&eNB->ulsch_decoding_stats,table_rx_dec,"|__ ULSCH Decoding time");
printf(" (%.2f Mbit/s, avg iter %.2f, max %.2f)\n",
UE->ulsch[0]->harq_processes[harq_pid]->TBS/1000.0,
(double)iter_trials,
(double)eNB->ulsch_decoding_stats.max*timeBase);
printStatIndent2(&eNB->ulsch_deinterleaving_stats,"sub-block interleaving" );
printStatIndent2(&eNB->ulsch_demultiplexing_stats,"sub-block demultiplexing" );
printStatIndent2(&eNB->ulsch_rate_unmatching_stats,"sub-block rate-matching" );
printf(" |__ harqID: %d turbo_decoder(%d bits), avg iterations: %.1f %.2f us (%d cycles, %d trials)\n",
harq_pid,
eNB->ulsch[0]->harq_processes[harq_pid]->Cminus ? eNB->ulsch[0]->harq_processes[harq_pid]->Kminus : eNB->ulsch[0]->harq_processes[harq_pid]->Kplus,
eNB->ulsch_tc_intl1_stats.trials / (double)eNB->ulsch_tc_init_stats.trials,
(double)eNB->ulsch_turbo_decoding_stats.diff / eNB->ulsch_turbo_decoding_stats.trials * timeBase,
(int)((double)eNB->ulsch_turbo_decoding_stats.diff / eNB->ulsch_turbo_decoding_stats.trials),
eNB->ulsch_turbo_decoding_stats.trials);
printStatIndent3(&eNB->ulsch_tc_init_stats,"init");
printStatIndent3(&eNB->ulsch_tc_alpha_stats,"alpha");
printStatIndent3(&eNB->ulsch_tc_beta_stats,"beta");
printStatIndent3(&eNB->ulsch_tc_gamma_stats,"gamma");
printStatIndent3(&eNB->ulsch_tc_ext_stats,"ext");
printStatIndent3(&eNB->ulsch_tc_intl1_stats,"turbo internal interleaver");
printStatIndent3(&eNB->ulsch_tc_intl2_stats,"intl2+HardDecode+CRC");
}
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 ( (test_perf != 0) && (100 * effective_rate > test_perf )) {
//fprintf(time_meas_fd,"SNR; MCS; TBS; rate; err0; trials0; err1; trials1; err2; trials2; err3; trials3\n");
fprintf(time_meas_fd,"%f;%d;%d;%f;%u;%u;%u;%u;%u;%u;%u;%u;",
SNR,
mcs,
eNB->ulsch[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(time_meas_fd,"SNR; MCS; TBS; rate; err0; trials0; err1; trials1; err2; trials2; err3; trials3;ND;\n");
fprintf(time_meas_fd,"%f;%d;%d;%f;%2.1f;%f;%u;%u;%u;%u;%u;%u;%u;%u;%e;%e;%e;%e;%f;%f;",
SNR,
mcs,
eNB->ulsch[0]->harq_processes[harq_pid]->TBS,
rate*effective_rate,
100*effective_rate,
rate,
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]),
(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->ulsch[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]));
//fprintf(time_meas_fd,"UE_PROC_TX(%d); OFDM_MOD(%d); UL_MOD(%d); UL_ENC(%d); eNB_PROC_RX(%d); OFDM_DEMOD(%d); UL_DEMOD(%d); UL_DECOD(%d);\n",
fprintf(time_meas_fd,"%d; %d; %d; %d; %d; %d; %d; %d;",
UE->phy_proc_tx.trials,
UE->ofdm_mod_stats.trials,
UE->ulsch_modulation_stats.trials,
UE->ulsch_encoding_stats.trials,
eNB->phy_proc_rx.trials,
ru->ofdm_demod_stats.trials,
eNB->ulsch_demodulation_stats.trials,
eNB->ulsch_decoding_stats.trials
);
fprintf(time_meas_fd,"%f;%f;%f;%f;%f;%f;%f;%f;",
get_time_meas_us(&UE->phy_proc_tx),
get_time_meas_us(&UE->ofdm_mod_stats),
get_time_meas_us(&UE->ulsch_modulation_stats),
get_time_meas_us(&UE->ulsch_encoding_stats),
get_time_meas_us(&eNB->phy_proc_rx),
get_time_meas_us(&ru->ofdm_demod_stats),
get_time_meas_us(&eNB->ulsch_demodulation_stats),
get_time_meas_us(&eNB->ulsch_decoding_stats)
);
//fprintf(time_meas_fd,"UE_PROC_TX_STD;UE_PROC_TX_MAX;UE_PROC_TX_MIN;UE_PROC_TX_MED;UE_PROC_TX_Q1;UE_PROC_TX_Q3;UE_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(&UE->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(&UE->ulsch_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(&UE->ulsch_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(&eNB->phy_proc_rx), 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(&ru->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(&eNB->ulsch_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(&eNB->ulsch_decoding_stats),
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 );
break;
} else if (test_perf !=0 ) {
printf("[continue] effective rate : %f (%2.1f%%,%f)): increase snr \n",rate*effective_rate, 100*effective_rate, rate);
}
if (((double)errs[0]/(round_trials[0]))<1e-2)
break;
} // SNR
//
//LOG_M("chestim_f.m","chestf",eNB->pusch_vars[0]->drs_ch_estimates[0][0],300*12,2,1);
// LOG_M("chestim_t.m","chestt",eNB->pusch_vars[0]->drs_ch_estimates_time[0][0], (frame_parms->ofdm_symbol_size)*2,2,1);
}//ch realization
oai_exit=1;
pthread_cond_signal(&ru->proc.cond_fep[0]);
if (abstx) { // ABSTRACTION
fprintf(csv_fdUL,"];");
fclose(csv_fdUL);
}
fclose(bler_fd);
if (test_perf !=0)
fclose (time_meas_fd);
return(0);
}
static softmodem_params_t softmodem_params;
softmodem_params_t *get_softmodem_params(void)
{
return &softmodem_params;
}
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