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openairinterface5g/openair1/SIMULATION/NR_PHY/ulschsim.c
T
Cedric Roux 733c7e5e89 bugfix: change memory management of interface between PHY and MAC scheduler 
This commit fixes a bug caused by global variables in the gNB_MAC_INST
structure used to transfer MAC scheduler's results to the PHY layer.

When using several threads in the PHY layer, it may happen that the
MAC scheduler is called a second time by the second PHY thread for the
next slot before the content of the global variables in the gNB_MAC_INST
structure used to store the result of the MAC scheduler for the current
slot have been consumed by the first thread, leading to unpredictable
results (all of them certainly wrong).

The solution is to introduce a small memory management module for the
interface between the PHY threads and the MAC scheduler. The MAC
scheduler now fills the data structures passed to it, and not a
global variable anymore. The PHY layer manages the structures and
ensures that no data is overwritten before being fully consumed by
the various threads of the PHY layer.

Some care has to be taken because several PHY threads will access the
same structures at the same time for a given slot (in read mode, so
it's okay). A mechanism of reference counting has thus been introduced.

Only one CC is supported. This restriction should not be too hard
to remove if/when needed. (The code before this commit does not seem
to work for more than one CC anyway.)
2023-04-05 16:39:12 +02:00

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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
*/
#include <string.h>
#include <math.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
#include "common/utils/LOG/log.h"
#include "common/ran_context.h"
#include "PHY/types.h"
#include "PHY/defs_nr_common.h"
#include "PHY/defs_nr_UE.h"
#include "PHY/defs_gNB.h"
#include "PHY/INIT/nr_phy_init.h"
#include "PHY/NR_REFSIG/refsig_defs_ue.h"
#include "PHY/MODULATION/modulation_eNB.h"
#include "PHY/MODULATION/modulation_UE.h"
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
#include "PHY/NR_TRANSPORT/nr_dlsch.h"
#include "PHY/NR_TRANSPORT/nr_ulsch.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
#include "SCHED_NR/sched_nr.h"
#include "openair1/SIMULATION/TOOLS/sim.h"
#include "openair1/SIMULATION/RF/rf.h"
#include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h"
#include "common/utils/threadPool/thread-pool.h"
#include "openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h"
#include "executables/nr-uesoftmodem.h"
#include "nfapi/oai_integration/vendor_ext.h"
//#define DEBUG_NR_ULSCHSIM
THREAD_STRUCT thread_struct;
PHY_VARS_gNB *gNB;
PHY_VARS_NR_UE *UE;
RAN_CONTEXT_t RC;
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
uint64_t downlink_frequency[MAX_NUM_CCs][4];
uint64_t get_softmodem_optmask(void) {return 0;}
static softmodem_params_t softmodem_params;
softmodem_params_t *get_softmodem_params(void) {
return &softmodem_params;
}
void init_downlink_harq_status(NR_DL_UE_HARQ_t *dl_harq) {}
NR_IF_Module_t *NR_IF_Module_init(int Mod_id) { return (NULL); }
nfapi_mode_t nfapi_getmode(void) { return NFAPI_MODE_UNKNOWN; }
uint8_t const nr_rv_round_map[4] = {0, 2, 3, 1};
const short conjugate[8]__attribute__((aligned(16))) = {-1,1,-1,1,-1,1,-1,1};
const short conjugate2[8]__attribute__((aligned(16))) = {1,-1,1,-1,1,-1,1,-1};
double cpuf;
//uint8_t nfapi_mode = 0;
const int NB_UE_INST = 1;
// needed for some functions
PHY_VARS_NR_UE *PHY_vars_UE_g[1][1] = { { NULL } };
uint16_t n_rnti = 0x1234;
openair0_config_t openair0_cfg[MAX_CARDS];
void inc_ref_sched_response(int _)
{
LOG_E(PHY, "fatal\n");
exit(1);
}
void deref_sched_response(int _)
{
LOG_E(PHY, "fatal\n");
exit(1);
}
int nr_postDecode_sim(PHY_VARS_gNB *gNB, notifiedFIFO_elt_t *req) {
ldpcDecode_t *rdata = (ldpcDecode_t*) NotifiedFifoData(req);
NR_UL_gNB_HARQ_t *ulsch_harq = rdata->ulsch_harq;
NR_gNB_ULSCH_t *ulsch = rdata->ulsch;
int r = rdata->segment_r;
bool decodeSuccess = (rdata->decodeIterations <= rdata->decoderParms.numMaxIter);
ulsch_harq->processedSegments++;
gNB->nbDecode--;
if (decodeSuccess) {
memcpy(ulsch_harq->b+rdata->offset,
ulsch_harq->c[r],
rdata->Kr_bytes - (ulsch_harq->F>>3) -((ulsch_harq->C>1)?3:0));
} else {
if ( rdata->nbSegments != ulsch_harq->processedSegments ) {
int nb=abortTpoolJob(&gNB->threadPool, req->key);
nb+=abortNotifiedFIFOJob(&gNB->respDecode, req->key);
gNB->nbDecode-=nb;
AssertFatal(ulsch_harq->processedSegments+nb == rdata->nbSegments,"processed: %d, aborted: %d, total %d\n",
ulsch_harq->processedSegments, nb, rdata->nbSegments);
ulsch_harq->processedSegments=rdata->nbSegments;
return 1;
}
}
// if all segments are done
if (rdata->nbSegments == ulsch_harq->processedSegments) {
if (decodeSuccess) {
return 0;
} else {
return 1;
}
}
ulsch->last_iteration_cnt = rdata->decodeIterations;
return 0;
}
nrUE_params_t nrUE_params;
nrUE_params_t *get_nrUE_params(void) {
return &nrUE_params;
}
int main(int argc, char **argv)
{
char c;
int i;
double SNR, snr0 = -2.0, snr1 = 2.0, SNR_lin;
double snr_step = 0.1;
uint8_t snr1set = 0;
FILE *output_fd = NULL;
//uint8_t write_output_file = 0;
int trial, n_trials = 1, n_errors = 0, n_false_positive = 0;
uint8_t n_tx = 1, n_rx = 1, nb_codewords = 1;
//uint8_t transmission_mode = 1;
uint16_t Nid_cell = 0;
channel_desc_t *gNB2UE;
uint8_t extended_prefix_flag = 0;
//int8_t interf1 = -21, interf2 = -21;
FILE *input_fd = NULL;
SCM_t channel_model = AWGN; //Rayleigh1_anticorr;
uint16_t N_RB_DL = 106, N_RB_UL = 106, mu = 1;
//unsigned char frame_type = 0;
//unsigned char pbch_phase = 0;
int frame = 0, subframe = 0;
NR_DL_FRAME_PARMS *frame_parms;
double sigma;
unsigned char qbits = 8;
int ret=0;
int loglvl = OAILOG_WARNING;
uint64_t SSB_positions=0x01;
uint16_t nb_symb_sch = 12;
uint16_t nb_rb = 50;
uint8_t Imcs = 9;
uint8_t Nl = 1;
uint8_t max_ldpc_iterations = 5;
double DS_TDL = .03;
cpuf = get_cpu_freq_GHz();
if (load_configmodule(argc, argv, CONFIG_ENABLECMDLINEONLY) == 0) {
exit_fun("[NR_ULSCHSIM] Error, configuration module init failed\n");
}
//logInit();
randominit(0);
//while ((c = getopt(argc, argv, "df:hpg:i:j:n:l:m:r:s:S:y:z:M:N:F:R:P:")) != -1) {
while ((c = getopt(argc, argv, "hg:n:s:S:py:z:M:N:R:F:m:l:r:W:")) != -1) {
switch (c) {
/*case 'f':
write_output_file = 1;
output_fd = fopen(optarg, "w");
if (output_fd == NULL) {
printf("Error opening %s\n", optarg);
exit(-1);
}
break;*/
/*case 'd':
frame_type = 1;
break;*/
case 'g':
switch ((char) *optarg) {
case 'A':
channel_model = SCM_A;
break;
case 'B':
channel_model = SCM_B;
break;
case 'C':
channel_model = SCM_C;
break;
case 'D':
channel_model = SCM_D;
break;
case 'E':
channel_model = EPA;
break;
case 'F':
channel_model = EVA;
break;
case 'G':
channel_model = ETU;
break;
default:
printf("Unsupported channel model! Exiting.\n");
exit(-1);
}
break;
/*case 'i':
interf1 = atoi(optarg);
break;
case 'j':
interf2 = atoi(optarg);
break;*/
case 'n':
n_trials = atoi(optarg);
#ifdef DEBUG_NR_ULSCHSIM
printf("n_trials (-n) = %d\n", n_trials);
#endif
break;
case 's':
snr0 = atof(optarg);
#ifdef DEBUG_NR_ULSCHSIM
printf("Setting SNR0 to %f\n", snr0);
#endif
break;
case 'S':
snr1 = atof(optarg);
snr1set = 1;
#ifdef DEBUG_NR_ULSCHSIM
printf("Setting SNR1 to %f\n", snr1);
#endif
break;
case 'p':
extended_prefix_flag = 1;
break;
/*
case 'r':
ricean_factor = pow(10,-.1*atof(optarg));
if (ricean_factor>1) {
printf("Ricean factor must be between 0 and 1\n");
exit(-1);
}
break;
*/
case 'y':
n_tx = atoi(optarg);
if ((n_tx == 0) || (n_tx > 4)) {
printf("Unsupported number of TX antennas %d. Exiting.\n", n_tx);
exit(-1);
}
break;
case 'z':
n_rx = atoi(optarg);
if ((n_rx == 0) || (n_rx > 4)) {
printf("Unsupported number of RX antennas %d. Exiting.\n", n_rx);
exit(-1);
}
break;
case 'M':
SSB_positions = atoi(optarg);
break;
case 'N':
Nid_cell = atoi(optarg);
break;
case 'R':
N_RB_UL = atoi(optarg);
#ifdef DEBUG_NR_ULSCHSIM
printf("N_RB_UL (-R) = %d\n", N_RB_UL);
#endif
break;
case 'F':
input_fd = fopen(optarg, "r");
if (input_fd == NULL) {
printf("Problem with filename %s. Exiting.\n", optarg);
exit(-1);
}
break;
/*case 'P':
pbch_phase = atoi(optarg);
if (pbch_phase > 3)
printf("Illegal PBCH phase (0-3) got %d\n", pbch_phase);
break;*/
case 'W':
Nl = atoi(optarg);
break;
case 'm':
Imcs = atoi(optarg);
#ifdef DEBUG_NR_ULSCHSIM
printf("Imcs (-m) = %d\n", Imcs);
#endif
break;
case 'l':
nb_symb_sch = atoi(optarg);
break;
case 'r':
nb_rb = atoi(optarg);
break;
/*case 'x':
transmission_mode = atoi(optarg);
break;*/
default:
case 'h':
printf("%s -h(elp) -g channel_model -n n_frames -s snr0 -S snr1 -p(extended_prefix) -y TXant -z RXant -M -N cell_id -R -F input_filename -m -l -r\n", argv[0]);
//printf("%s -h(elp) -p(extended_prefix) -N cell_id -f output_filename -F input_filename -g channel_model -n n_frames -t Delayspread -s snr0 -S snr1 -x transmission_mode -y TXant -z RXant -i Intefrence0 -j Interference1 -A interpolation_file -C(alibration offset dB) -N CellId\n", argv[0]);
printf("-h This message\n");
printf("-g [A,B,C,D,E,F,G] Use 3GPP SCM (A,B,C,D) or 36-101 (E-EPA,F-EVA,G-ETU) models (ignores delay spread and Ricean factor)\n");
printf("-n Number of frames to simulate\n");
//printf("-d Use TDD\n");
printf("-s Starting SNR, runs from SNR0 to SNR0 + 5 dB. If n_frames is 1 then just SNR is simulated\n");
printf("-S Ending SNR, runs from SNR0 to SNR1\n");
printf("-p Use extended prefix mode\n");
//printf("-t Delay spread for multipath channel\n");
//printf("-x Transmission mode (1,2,6 for the moment)\n");
printf("-y Number of TX antennas used in eNB\n");
printf("-z Number of RX antennas used in UE\n");
//printf("-i Relative strength of first intefering eNB (in dB) - cell_id mod 3 = 1\n");
//printf("-j Relative strength of second intefering eNB (in dB) - cell_id mod 3 = 2\n");
printf("-W number of layer\n");
printf("-M Multiple SSB positions in burst\n");
printf("-N Nid_cell\n");
printf("-R N_RB_UL\n");
printf("-F Input filename (.txt format) for RX conformance testing\n");
printf("-m MCS\n");
printf("-l number of symbol\n");
printf("-r number of RB\n");
//printf("-O oversampling factor (1,2,4,8,16)\n");
//printf("-A Interpolation_filname Run with Abstraction to generate Scatter plot using interpolation polynomial in file\n");
//printf("-C Generate Calibration information for Abstraction (effective SNR adjustment to remove Pe bias w.r.t. AWGN)\n");
//printf("-f Output filename (.txt format) for Pe/SNR results\n");
exit(-1);
break;
}
}
logInit();
set_glog(loglvl);
T_stdout = 1;
if (snr1set == 0)
snr1 = snr0 + 10;
gNB2UE = new_channel_desc_scm(n_tx,
n_rx,
channel_model,
61.44e6, //N_RB2sampling_rate(N_RB_DL),
0,
40e6, //N_RB2channel_bandwidth(N_RB_DL),
DS_TDL,
0.0,
CORR_LEVEL_LOW,
0,
0,
0,
0);
if (gNB2UE == NULL) {
printf("Problem generating channel model. Exiting.\n");
exit(-1);
}
RC.gNB = (PHY_VARS_gNB **) malloc(sizeof(PHY_VARS_gNB *));
RC.gNB[0] = calloc(1, sizeof(PHY_VARS_gNB));
gNB = RC.gNB[0];
//gNB_config = &gNB->gNB_config;
initTpool("n", &gNB->threadPool, true);
initNotifiedFIFO(&gNB->respDecode);
frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH)
frame_parms->N_RB_DL = N_RB_DL;
frame_parms->N_RB_UL = N_RB_UL;
frame_parms->Ncp = extended_prefix_flag ? EXTENDED : NORMAL;
gNB->max_ldpc_iterations = max_ldpc_iterations;
crcTableInit();
memcpy(&gNB->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS));
gNB->frame_parms.nb_antennas_tx = 1;
gNB->frame_parms.nb_antennas_rx = n_rx;
nr_phy_config_request_sim(gNB, N_RB_UL, N_RB_UL, mu, Nid_cell, SSB_positions);
gNB->gNB_config.tdd_table.tdd_period.value = 6;
set_tdd_config_nr(&gNB->gNB_config, mu, 7, 6, 2, 4);
phy_init_nr_gNB(gNB);
//configure UE
UE = malloc(sizeof(PHY_VARS_NR_UE));
memcpy(&UE->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS));
UE->frame_parms.nb_antennas_tx = n_tx;
UE->frame_parms.nb_antennas_rx = 1;
//phy_init_nr_top(frame_parms);
if (init_nr_ue_signal(UE, 1) != 0) {
printf("Error at UE NR initialisation.\n");
exit(-1);
}
nr_init_ul_harq_processes(UE->ul_harq_processes, NR_MAX_ULSCH_HARQ_PROCESSES, UE->frame_parms.N_RB_UL, UE->frame_parms.nb_antennas_tx);
unsigned char harq_pid = 0;
unsigned int TBS = 8424;
unsigned int available_bits;
uint8_t nb_re_dmrs = 6;
uint8_t length_dmrs = 1;
uint8_t N_PRB_oh;
uint16_t N_RE_prime,code_rate;
unsigned char mod_order;
uint8_t rvidx = 0;
uint8_t UE_id = 0;
NR_gNB_ULSCH_t *ulsch_gNB = &gNB->ulsch[UE_id];
NR_UL_gNB_HARQ_t *harq_process_gNB = ulsch_gNB->harq_process;
nfapi_nr_pusch_pdu_t *rel15_ul = &harq_process_gNB->ulsch_pdu;
nr_phy_data_tx_t phy_data = {0};
NR_UE_ULSCH_t *ulsch_ue = &phy_data.ulsch;
if ((Nl==4)||(Nl==3))
nb_re_dmrs = nb_re_dmrs*2;
mod_order = nr_get_Qm_ul(Imcs, 0);
code_rate = nr_get_code_rate_ul(Imcs, 0);
available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, Nl);
TBS = nr_compute_tbs(mod_order,code_rate, nb_rb, nb_symb_sch, nb_re_dmrs*length_dmrs, 0, 0, Nl);
printf("\nAvailable bits %u TBS %u mod_order %d\n", available_bits, TBS, mod_order);
/////////// setting rel15_ul parameters ///////////
rel15_ul->rb_size = nb_rb;
rel15_ul->nr_of_symbols = nb_symb_sch;
rel15_ul->qam_mod_order = mod_order;
rel15_ul->mcs_index = Imcs;
rel15_ul->pusch_data.rv_index = rvidx;
rel15_ul->nrOfLayers = Nl;
rel15_ul->target_code_rate = code_rate;
rel15_ul->pusch_data.tb_size = TBS>>3;
rel15_ul->maintenance_parms_v3.ldpcBaseGraph = get_BG(TBS, code_rate);
///////////////////////////////////////////////////
double modulated_input[16 * 68 * 384]; // [hna] 16 segments, 68*Zc
short channel_output_fixed[16 * 68 * 384];
short channel_output_uncoded[16 * 68 * 384];
unsigned int errors_bit_uncoded = 0;
unsigned int errors_bit = 0;
unsigned char test_input_bit[16 * 68 * 384];
unsigned char estimated_output_bit[16 * 68 * 384];
/////////////////////////[adk] preparing UL harq_process parameters/////////////////////////
///////////
NR_UL_UE_HARQ_t *harq_process_ul_ue = &UE->ul_harq_processes[harq_pid];
DevAssert(harq_process_ul_ue);
N_PRB_oh = 0; // higher layer (RRC) parameter xOverhead in PUSCH-ServingCellConfig
N_RE_prime = NR_NB_SC_PER_RB*nb_symb_sch - nb_re_dmrs - N_PRB_oh;
ulsch_ue->pusch_pdu.rnti = n_rnti;
ulsch_ue->pusch_pdu.mcs_index = Imcs;
ulsch_ue->pusch_pdu.nrOfLayers = Nl;
ulsch_ue->pusch_pdu.rb_size = nb_rb;
ulsch_ue->pusch_pdu.nr_of_symbols = nb_symb_sch;
harq_process_ul_ue->num_of_mod_symbols = N_RE_prime*nb_rb*nb_codewords;
ulsch_ue->pusch_pdu.pusch_data.rv_index = rvidx;
ulsch_ue->pusch_pdu.pusch_data.tb_size = TBS>>3;
ulsch_ue->pusch_pdu.target_code_rate = code_rate;
ulsch_ue->pusch_pdu.qam_mod_order = mod_order;
unsigned char *test_input = harq_process_ul_ue->a;
///////////
////////////////////////////////////////////////////////////////////////////////////////////
for (i = 0; i < TBS / 8; i++)
test_input[i] = (unsigned char) rand();
#ifdef DEBUG_NR_ULSCHSIM
for (i = 0; i < TBS / 8; i++) printf("test_input[i]=%hhu \n",test_input[i]);
#endif
/////////////////////////ULSCH coding/////////////////////////
///////////
unsigned int G = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, Nl);
if (input_fd == NULL) {
nr_ulsch_encoding(UE, ulsch_ue, frame_parms, harq_pid, G);
}
printf("\n");
///////////
////////////////////////////////////////////////////////////////////
for (SNR = snr0; SNR < snr1; SNR += snr_step) {
n_errors = 0;
n_false_positive = 0;
for (trial = 0; trial < n_trials; trial++) {
errors_bit_uncoded = 0;
for (i = 0; i < available_bits; i++) {
#ifdef DEBUG_CODER
if ((i&0xf)==0)
printf("\ne %d..%d: ",i,i+15);
#endif
/*
if (i<16){
printf("ulsch_encoder output f[%d] = %d\n",i,ulsch_ue->harq_processes[0]->f[i]);
}
*/
if (harq_process_ul_ue->f[i] == 0)
modulated_input[i] = 1.0; ///sqrt(2); //QPSK
else
modulated_input[i] = -1.0; ///sqrt(2);
//if (i<16) printf("modulated_input[%d] = %d\n",i,modulated_input[i]);
#if 1
SNR_lin = pow(10, SNR / 10.0);
sigma = 1.0 / sqrt(2 * SNR_lin);
channel_output_fixed[i] = (short) quantize(sigma / 4.0 / 4.0,
modulated_input[i] + sigma * gaussdouble(0.0, 1.0),
qbits);
#else
channel_output_fixed[i] = (short) quantize(0.01, modulated_input[i], qbits);
#endif
//printf("channel_output_fixed[%d]: %d\n",i,channel_output_fixed[i]);
//Uncoded BER
if (channel_output_fixed[i] < 0)
channel_output_uncoded[i] = 1; //QPSK demod
else
channel_output_uncoded[i] = 0;
if (channel_output_uncoded[i] != harq_process_ul_ue->f[i])
errors_bit_uncoded = errors_bit_uncoded + 1;
}
/*
printf("errors bits uncoded %u\n", errors_bit_uncoded);
printf("\n");
*/
#ifdef DEBUG_CODER
printf("\n");
exit(-1);
#endif
uint32_t G = nr_get_G(rel15_ul->rb_size,
rel15_ul->nr_of_symbols,
nb_re_dmrs,
1, // FIXME only single dmrs is implemented
rel15_ul->qam_mod_order,
rel15_ul->nrOfLayers);
nr_ulsch_decoding(gNB, UE_id, channel_output_fixed, frame_parms, rel15_ul,
frame, subframe, harq_pid, G);
while (gNB->nbDecode > 0) {
notifiedFIFO_elt_t *req=pullTpool(&gNB->respDecode, &gNB->threadPool);
ret = nr_postDecode_sim(gNB, req);
delNotifiedFIFO_elt(req);
}
if (ret)
n_errors++;
//count errors
errors_bit = 0;
for (i = 0; i < TBS; i++) {
estimated_output_bit[i] = (ulsch_gNB->harq_process->b[i / 8] & (1 << (i & 7))) >> (i & 7);
test_input_bit[i] = (test_input[i / 8] & (1 << (i & 7))) >> (i & 7); // Further correct for multiple segments
if (estimated_output_bit[i] != test_input_bit[i]) {
errors_bit++;
}
}
/*
if (errors_bit > 0) {
n_false_positive++;
if (n_trials == 1)
printf("errors_bit %u (trial %d)\n", errors_bit, trial);
}
printf("\n");*/
}
printf("*****************************************\n");
printf("SNR %f, BLER %f (false positive %f)\n", SNR,
(float) n_errors / (float) n_trials,
(float) n_false_positive / (float) n_trials);
printf("*****************************************\n");
printf("\n");
if (n_errors == 0) {
printf("PUSCH test OK\n");
printf("\n");
break;
}
printf("\n");
}
free_nr_ue_ul_harq(UE->ul_harq_processes, NR_MAX_ULSCH_HARQ_PROCESSES, UE->frame_parms.N_RB_UL, UE->frame_parms.nb_antennas_tx);
int nb_slots_to_set = TDD_CONFIG_NB_FRAMES * (1 << mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
for (int i = 0; i < nb_slots_to_set; ++i)
free(gNB->gNB_config.tdd_table.max_tdd_periodicity_list[i].max_num_of_symbol_per_slot_list);
free(gNB->gNB_config.tdd_table.max_tdd_periodicity_list);
term_nr_ue_signal(UE, 1);
free(UE);
phy_free_nr_gNB(gNB);
free(RC.gNB[0]);
free(RC.gNB);
free_channel_desc_scm(gNB2UE);
if (output_fd)
fclose(output_fd);
if (input_fd)
fclose(input_fd);
loader_reset();
logTerm();
return (n_errors);
}
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