ulsim.c 62.8 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
/*
* 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>
28
#include "common/ran_context.h"
29 30
#include "common/config/config_userapi.h"
#include "common/utils/LOG/log.h"
31
#include "common/utils/nr/nr_common.h"
Robert Schmidt's avatar
Robert Schmidt committed
32
#include "common/utils/var_array.h"
33
#include "PHY/defs_gNB.h"
34 35
#include "PHY/defs_nr_common.h"
#include "PHY/defs_nr_UE.h"
36
#include "PHY/phy_vars_nr_ue.h"
37
#include "PHY/types.h"
38
#include "PHY/INIT/nr_phy_init.h"
39
#include "PHY/MODULATION/modulation_UE.h"
40 41 42
#include "PHY/MODULATION/nr_modulation.h"
#include "PHY/NR_REFSIG/dmrs_nr.h"
#include "PHY/NR_REFSIG/refsig_defs_ue.h"
43
#include "PHY/NR_TRANSPORT/nr_dlsch.h"
44 45
#include "PHY/NR_TRANSPORT/nr_sch_dmrs.h"
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
46 47
#include "PHY/NR_TRANSPORT/nr_ulsch.h"
#include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h"
48
#include "PHY/TOOLS/tools_defs.h"
Francesco Mani's avatar
Francesco Mani committed
49
#include "SCHED_NR/fapi_nr_l1.h"
50
#include "SCHED_NR/sched_nr.h"
51
#include "SCHED_NR_UE/defs.h"
52
#include "SCHED_NR_UE/fapi_nr_ue_l1.h"
53 54 55
#include "openair1/SIMULATION/TOOLS/sim.h"
#include "openair1/SIMULATION/RF/rf.h"
#include "openair1/SIMULATION/NR_PHY/nr_unitary_defs.h"
Robert Schmidt's avatar
Robert Schmidt committed
56
#include "openair2/RRC/NR/nr_rrc_config.h"
57
#include "openair2/LAYER2/NR_MAC_UE/mac_proto.h"
58
#include "openair2/LAYER2/NR_MAC_gNB/mac_proto.h"
Sakthivel Velumani's avatar
Sakthivel Velumani committed
59
#include "common/utils/threadPool/thread-pool.h"
60
#include "PHY/NR_REFSIG/ptrs_nr.h"
61
#define inMicroS(a) (((double)(a))/(get_cpu_freq_GHz()*1000.0))
62
#include "SIMULATION/LTE_PHY/common_sim.h"
63

Laurent's avatar
Laurent committed
64 65
#include <openair2/RRC/LTE/rrc_vars.h>

Raymond Knopp's avatar
Raymond Knopp committed
66
#include <executables/softmodem-common.h>
dir's avatar
dir committed
67
#include "PHY/NR_REFSIG/ul_ref_seq_nr.h"
68
#include <openair3/ocp-gtpu/gtp_itf.h>
69
#include "executables/nr-uesoftmodem.h"
70
//#define DEBUG_ULSIM
71

72 73 74 75 76
const char *__asan_default_options()
{
  /* don't do leak checking in nr_ulsim, not finished yet */
  return "detect_leaks=0";
}
77 78 79
PHY_VARS_gNB *gNB;
PHY_VARS_NR_UE *UE;
RAN_CONTEXT_t RC;
80
char *uecap_file;
81 82
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];

Laurent THOMAS's avatar
Laurent THOMAS committed
83
uint16_t sf_ahead=4 ;
Aniq's avatar
Aniq committed
84
int slot_ahead=6 ;
Laurent THOMAS's avatar
Laurent THOMAS committed
85
uint16_t sl_ahead=0;
86
double cpuf;
87
//uint8_t nfapi_mode = 0;
88
uint64_t downlink_frequency[MAX_NUM_CCs][4];
89 90
THREAD_STRUCT thread_struct;
nfapi_ue_release_request_body_t release_rntis;
91

92 93 94
//Fixme: Uniq dirty DU instance, by global var, datamodel need better management
instance_t DUuniqInstance=0;
instance_t CUuniqInstance=0;
95

mir's avatar
mir committed
96
void nr_derive_key_ng_ran_star(uint16_t pci, uint64_t nr_arfcn_dl, const uint8_t key[32], uint8_t *key_ng_ran_star)
97 98 99
{
}

100
extern void fix_scd(NR_ServingCellConfig_t *scd);// forward declaration
101

102
void e1_bearer_context_setup(const e1ap_bearer_setup_req_t *req) { abort(); }
103
void e1_bearer_context_modif(const e1ap_bearer_setup_req_t *req) { abort(); }
104
void e1_bearer_release_cmd(const e1ap_bearer_release_cmd_t *cmd) { abort(); }
105

106 107 108
int8_t nr_rrc_RA_succeeded(const module_id_t mod_id, const uint8_t gNB_index) {
  return 0;
}
rmagueta's avatar
rmagueta committed
109

rmagueta's avatar
rmagueta committed
110 111 112 113 114 115 116 117 118 119 120
int DU_send_INITIAL_UL_RRC_MESSAGE_TRANSFER(module_id_t     module_idP,
                                            int             CC_idP,
                                            int             UE_id,
                                            rnti_t          rntiP,
                                            const uint8_t   *sduP,
                                            sdu_size_t      sdu_lenP,
                                            const uint8_t   *sdu2P,
                                            sdu_size_t      sdu2_lenP) {
  return 0;
}

Robert Schmidt's avatar
Robert Schmidt committed
121 122
nr_bler_struct nr_bler_data[NR_NUM_MCS];

mir's avatar
mir committed
123
void nr_derive_key(int alg_type, uint8_t alg_id, const uint8_t key[32], uint8_t out[16])
124
{
mir's avatar
mir committed
125
  (void)alg_type;
rmagueta's avatar
rmagueta committed
126 127
}

128 129
void processSlotTX(void *arg) {}

Sakthivel Velumani's avatar
Sakthivel Velumani committed
130 131 132 133 134
nrUE_params_t nrUE_params;

nrUE_params_t *get_nrUE_params(void) {
  return &nrUE_params;
}
135 136 137 138
// needed for some functions
uint16_t n_rnti = 0x1234;
openair0_config_t openair0_cfg[MAX_CARDS];

139
channel_desc_t *UE2gNB[NUMBER_OF_UE_MAX][NUMBER_OF_gNB_MAX];
laurent's avatar
laurent committed
140
int NB_UE_INST = 1;
141

142
configmodule_interface_t *uniqCfg = NULL;
143
int main(int argc, char *argv[])
144
{
145 146 147
  FILE *csv_file = NULL;
  char *filename_csv = NULL;
  char c;
laurent's avatar
laurent committed
148
  int i;
149 150
  double SNR, snr0 = -2.0, snr1 = 2.0;
  double sigma, sigma_dB;
151
  double snr_step = .2;
152
  uint8_t snr1set = 0;
Raymond Knopp's avatar
Raymond Knopp committed
153
  int slot = 8, frame = 1;
154
  int do_SRS = 0;
155
  FILE *output_fd = NULL;
156
  double **s_re,**s_im,**r_re,**r_im;
157
  //uint8_t write_output_file = 0;
158
  int trial, n_trials = 1, n_false_positive = 0, delay = 0;
159
  double maxDoppler = 0.0;
160
  uint8_t n_tx = 1, n_rx = 1;
161
  channel_desc_t *UE2gNB;
162 163
  uint8_t extended_prefix_flag = 0;
  //int8_t interf1 = -21, interf2 = -21;
164
  FILE *input_fd = NULL;
165
  SCM_t channel_model = AWGN;  //Rayleigh1_anticorr;
166
  corr_level_t corr_level = CORR_LEVEL_LOW;
167
  uint16_t N_RB_DL = 106, N_RB_UL = 106, mu = 1;
168

169 170
  //unsigned char frame_type = 0;
  NR_DL_FRAME_PARMS *frame_parms;
171
  int loglvl = OAILOG_WARNING;
172
  uint16_t nb_symb_sch = 12;
173
  int start_symbol = 0;
174
  uint16_t nb_rb = 50;
175
  int Imcs = 9;
176
  uint8_t precod_nbr_layers = 1;
Khalid Ahmed's avatar
Khalid Ahmed committed
177
  int tx_offset;
178
  int32_t txlev_sum = 0, atxlev[4];
Ahmed Hussein's avatar
Ahmed Hussein committed
179
  int start_rb = 0;
180
  int UE_id = 0;
181
  int print_perf = 0;
182
  cpuf = get_cpu_freq_GHz();
183
  int msg3_flag = 0;
184
  int rv_index = 0;
185 186 187
  float roundStats;
  double effRate;
  double effTP;
188
  float eff_tp_check = 100;
189
  int ldpc_offload_flag = 0;
190
  uint8_t max_rounds = 4;
191
  int chest_type[2] = {0};
192
  int enable_ptrs = 0;
193 194 195
  int modify_dmrs = 0;
  /* L_PTRS = ptrs_arg[0], K_PTRS = ptrs_arg[1] */
  int ptrs_arg[2] = {-1,-1};// Invalid values
196
  int dmrs_arg[4] = {-1,-1,-1,-1};// Invalid values
197 198 199
  uint16_t ptrsSymPos = 0;
  uint16_t ptrsSymbPerSlot = 0;
  uint16_t ptrsRePerSymb = 0;
200

201
  uint8_t transform_precoding = transformPrecoder_disabled; // 0 - ENABLE, 1 - DISABLE
dir's avatar
dir committed
202 203
  uint8_t num_dmrs_cdm_grps_no_data = 1;
  uint8_t mcs_table = 0;
204
  int ilbrm = 0;
dir's avatar
dir committed
205

206
  UE_nr_rxtx_proc_t UE_proc;
207
  FILE *scg_fd=NULL;
208
  int file_offset = 0;
209

210
  double DS_TDL = .03;
Francesco Mani's avatar
Francesco Mani committed
211
  int ibwps=24;
212
  int ibwp_rboffset=41;
213
  int params_from_file = 0;
214
  int threadCnt=0;
215
  int max_ldpc_iterations = 5;
216
  if ((uniqCfg = load_configmodule(argc, argv, CONFIG_ENABLECMDLINEONLY)) == 0) {
yilmazt's avatar
yilmazt committed
217
    exit_fun("[NR_ULSIM] Error, configuration module init failed\n");
218
  }
219
  int ul_proc_error = 0; // uplink processing checking status flag
220 221 222
  //logInit();
  randominit(0);

223
  /* initialize the sin-cos table */
224
  InitSinLUT();
225

226
  while ((c = getopt(argc, argv, "a:b:c:d:ef:g:h:i:k:m:n:op:q:r:s:t:u:v:w:y:z:C:F:G:H:I:M:N:PR:S:T:U:L:ZW:E:X:")) != -1) {
227
    printf("handling optarg %c\n",c);
228
    switch (c) {
229

230 231 232 233 234 235 236 237 238
    case 'a':
      start_symbol = atoi(optarg);
      AssertFatal(start_symbol >= 0 && start_symbol < 13,"start_symbol %d is not in 0..12\n",start_symbol);
      break;

    case 'b':
      nb_symb_sch = atoi(optarg);
      AssertFatal(nb_symb_sch > 0 && nb_symb_sch < 15,"start_symbol %d is not in 1..14\n",nb_symb_sch);
      break;
239

240 241 242 243 244 245 246 247
    case 'c':
      n_rnti = atoi(optarg);
      AssertFatal(n_rnti > 0 && n_rnti<=65535,"Illegal n_rnti %x\n",n_rnti);
      break;

    case 'd':
      delay = atoi(optarg);
      break;
248

249 250 251
    case 'e':
      msg3_flag = 1;
      break;
252

253 254 255 256
    case 'f':
      scg_fd = fopen(optarg, "r");
      
      if (scg_fd == NULL) {
257 258
        printf("Error opening %s\n", optarg);
        exit(-1);
259
      }
260

261 262 263
      break;
      
    case 'g':
264

265
      switch ((char) *optarg) {
266 267
        case 'A':
          channel_model = TDL_A;
268
          DS_TDL = 0.030; // 30 ns
269 270
          printf("Channel model: TDLA30\n");
          break;
271
        case 'B':
272
          channel_model = TDL_B;
273
          DS_TDL = 0.100; // 100ns
274 275
          printf("Channel model: TDLB100\n");
          break;
276
        case 'C':
277 278 279 280 281 282 283
          channel_model = TDL_C;
          DS_TDL = 0.300; // 300 ns
          printf("Channel model: TDLC300\n");
          break;
        default:
          printf("Unsupported channel model!\n");
          exit(-1);
284
      }
285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301

      if (optarg[1] == ',') {
        switch (optarg[2]) {
          case 'l':
            corr_level = CORR_LEVEL_LOW;
            break;
          case 'm':
            corr_level = CORR_LEVEL_MEDIUM;
            break;
          case 'h':
            corr_level = CORR_LEVEL_HIGH;
            break;
          default:
            printf("Invalid correlation level!\n");
        }
      }

302 303 304 305
      if (optarg[3] == ',') {
        maxDoppler = atoi(&optarg[4]);
        printf("Maximum Doppler Frequency: %.0f Hz\n", maxDoppler);
      }
306
      break;
307

308
    case 'i':
309 310 311 312 313
      i=0;
      do {
        chest_type[i>>1] = atoi(&optarg[i]);
        i+=2;
      } while (optarg[i-1] == ',');
314
      break;
315 316 317 318 319
	
    case 'k':
      printf("Setting threequarter_fs_flag\n");
      openair0_cfg[0].threequarter_fs= 1;
      break;
320

321 322 323
    case 'm':
      Imcs = atoi(optarg);
      break;
324 325 326 327

    case 'W':
      precod_nbr_layers = atoi(optarg);
      break;
328

329 330 331
    case 'n':
      n_trials = atoi(optarg);
      break;
332

333 334 335 336
    case 'o':
      ldpc_offload_flag = 1;
      break;

337 338 339
    case 'p':
      extended_prefix_flag = 1;
      break;
340 341 342 343

    case 'q':
      mcs_table = atoi(optarg);
      break;
344

345 346 347
    case 'r':
      nb_rb = atoi(optarg);
      break;
348

349 350 351 352
    case 's':
      snr0 = atof(optarg);
      printf("Setting SNR0 to %f\n", snr0);
      break;
353

354
    case 'C':
355 356
      threadCnt = atoi(optarg);
      break;
357

Sakthivel Velumani's avatar
Sakthivel Velumani committed
358 359 360 361
    case 'u':
      mu = atoi(optarg);
      break;

Hongzhi Wang's avatar
Hongzhi Wang committed
362 363
    case 'v':
      max_rounds = atoi(optarg);
364
      AssertFatal(max_rounds > 0 && max_rounds < 16, "Unsupported number of rounds %d, should be in [1,16]\n", max_rounds);
Hongzhi Wang's avatar
Hongzhi Wang committed
365 366
      break;

Sakthivel Velumani's avatar
Sakthivel Velumani committed
367 368 369 370
    case 'w':
      start_rb = atoi(optarg);
      break;

371
    case 't':
372
      eff_tp_check = atof(optarg);
373
      break;
374

375 376
    case 'y':
      n_tx = atoi(optarg);
377
      if ((n_tx == 0) || (n_tx > 4)) {
francescomani's avatar
francescomani committed
378 379
        printf("Unsupported number of tx antennas %d\n", n_tx);
        exit(-1);
380 381
      }
      break;
382

383 384
    case 'z':
      n_rx = atoi(optarg);
385
      if ((n_rx == 0) || (n_rx > 8)) {
francescomani's avatar
francescomani committed
386 387
        printf("Unsupported number of rx antennas %d\n", n_rx);
        exit(-1);
388 389
      }
      break;
390

391 392 393
    case 'F':
      input_fd = fopen(optarg, "r");
      if (input_fd == NULL) {
francescomani's avatar
francescomani committed
394 395
        printf("Problem with filename %s\n", optarg);
        exit(-1);
396 397
      }
      break;
398 399 400 401 402 403 404 405 406

    case 'G':
      file_offset = atoi(optarg);
      break;

    case 'H':
      slot = atoi(optarg);
      break;

407 408 409 410
    case 'I':
      max_ldpc_iterations = atoi(optarg);
      break;

411
    case 'M':
412
      ilbrm = atoi(optarg);
413
      break;
414

415 416 417 418
    case 'R':
      N_RB_DL = atoi(optarg);
      N_RB_UL = N_RB_DL;
      break;
419

420 421 422 423 424
    case 'S':
      snr1 = atof(optarg);
      snr1set = 1;
      printf("Setting SNR1 to %f\n", snr1);
      break;
425

426 427 428 429
    case 'P':
      print_perf=1;
      opp_enabled=1;
      break;
430

431 432 433
    case 'L':
      loglvl = atoi(optarg);
      break;
434 435 436

   case 'T':
      enable_ptrs=1;
437 438 439 440 441
      i=0;
      do {
        ptrs_arg[i>>1] = atoi(&optarg[i]);
        i+=2;
      } while (optarg[i-1] == ',');
442 443 444 445
      break;

    case 'U':
      modify_dmrs = 1;
446 447 448 449 450
      i=0;
      do {
        dmrs_arg[i>>1] = atoi(&optarg[i]);
        i+=2;
      } while (optarg[i-1] == ',');
451
      break;
452

453 454 455 456
    case 'Q':
      params_from_file = 1;
      break;

457 458 459 460 461
    case 'X' :
      filename_csv = strdup(optarg);
      AssertFatal(filename_csv != NULL, "strdup() error: errno %d\n", errno);
      break;

dir's avatar
dir committed
462
    case 'Z':
463
      transform_precoding = transformPrecoder_enabled;
dir's avatar
dir committed
464 465
      num_dmrs_cdm_grps_no_data = 2;
      mcs_table = 3;
466
      printf("NOTE: TRANSFORM PRECODING (SC-FDMA) is ENABLED in UPLINK (0 - ENABLE, 1 - DISABLE) : %d \n", transform_precoding);
dir's avatar
dir committed
467 468
      break;

469 470 471 472 473 474 475 476 477 478 479 480
    case 'E':
      do_SRS = atoi(optarg);
      if (do_SRS == 0) {
        printf("SRS disabled\n");
      } else if (do_SRS == 1) {
        printf("SRS enabled\n");
      } else {
        printf("Invalid SRS option. SRS disabled.\n");
        do_SRS = 0;
      }
      break;

481 482
    default:
    case 'h':
483 484 485 486
      printf("%s -h(elp)\n", argv[0]);
      printf("-a ULSCH starting symbol\n");
      printf("-b ULSCH number of symbols\n");
      printf("-c RNTI\n");
487
      printf("-d Introduce delay in terms of number of samples\n");
488 489
      printf("-e To simulate MSG3 configuration\n");
      printf("-f Input file to read from\n");// file not used in the code
490
      printf("-g Channel model configuration. Arguments list: Number of arguments = 3, {Channel model: [A] TDLA30, [B] TDLB100, [C] TDLC300}, {Correlation: [l] Low, [m] Medium, [h] High}, {Maximum Doppler shift} e.g. -g A,l,10\n");
491
      printf("-h This message\n");
492
      printf("-i Change channel estimation technique. Arguments list: Number of arguments=2, Frequency domain {0:Linear interpolation, 1:PRB based averaging}, Time domain {0:Estimates of last DMRS symbol, 1:Average of DMRS symbols}. e.g. -i 1,0\n");
493
      printf("-k 3/4 sampling\n");
494 495
      printf("-m MCS value\n");
      printf("-n Number of trials to simulate\n");
496
      printf("-o ldpc offload flag\n");
497
      printf("-p Use extended prefix mode\n");
498
      printf("-q MCS table\n");
Arash's avatar
Arash committed
499
      printf("-r Number of allocated resource blocks for PUSCH\n");
500 501 502
      printf("-s Starting SNR, runs from SNR0 to SNR0 + 10 dB if ending SNR isn't given\n");
      printf("-S Ending SNR, runs from SNR0 to SNR1\n");
      printf("-t Acceptable effective throughput (in percentage)\n");
Sakthivel Velumani's avatar
Sakthivel Velumani committed
503
      printf("-u Set the numerology\n");
504
      printf("-v Set the max rounds\n");
Sakthivel Velumani's avatar
Sakthivel Velumani committed
505
      printf("-w Start PRB for PUSCH\n");
506 507
      printf("-y Number of TX antennas used at UE\n");
      printf("-z Number of RX antennas used at gNB\n");
508 509
      printf("-C Specify the number of threads for the simulation\n");
      printf("-E {SRS: [0] Disabled, [1] Enabled} e.g. -E 1\n");
510
      printf("-F Input filename (.txt format) for RX conformance testing\n");
511
      printf("-G Offset of samples to read from file (0 default)\n");
512
      printf("-H Slot number\n");
513
      printf("-I Maximum LDPC decoder iterations\n");
514
      printf("-L <log level, 0(errors), 1(warning), 2(info) 3(debug) 4 (trace)>\n");
515
      printf("-M Use limited buffer rate-matching\n");
516
      printf("-P Print ULSCH performances\n");
517 518
      printf("-Q If -F used, read parameters from file\n");
      printf("-R Maximum number of available resorce blocks (N_RB_DL)\n");
519 520
      printf("-T Enable PTRS, arguments list: Number of arguments=2 L_PTRS{0,1,2} K_PTRS{2,4}, e.g. -T 0,2 \n");
      printf("-U Change DMRS Config, arguments list: Number of arguments=4, DMRS Mapping Type{0=A,1=B}, DMRS AddPos{0:3}, DMRS Config Type{1,2}, Number of CDM groups without data{1,2,3} e.g. -U 0,2,0,1 \n");
francescomani's avatar
francescomani committed
521
      printf("-W Num of layer for PUSCH\n");
522 523
      printf("-X Output filename (.csv format) for stats\n");
      printf("-Z If -Z is used, SC-FDMA or transform precoding is enabled in Uplink \n");
524 525
      exit(-1);
      break;
526

527 528
    }
  }
529
  
530 531 532
  logInit();
  set_glog(loglvl);

533
  get_softmodem_params()->phy_test = 1;
534
  get_softmodem_params()->do_ra = 0;
Francesco Mani's avatar
Francesco Mani committed
535 536
  get_softmodem_params()->usim_test = 1;

537 538
  if (snr1set == 0)
    snr1 = snr0 + 10;
539

540 541 542 543 544 545 546 547 548
  double sampling_frequency, tx_bandwidth, rx_bandwidth;
  uint32_t samples;
  get_samplerate_and_bw(mu,
                        N_RB_DL,
                        openair0_cfg[0].threequarter_fs,
                        &sampling_frequency,
                        &samples,
                        &tx_bandwidth,
                        &rx_bandwidth);
549

550
  RC.gNB = (PHY_VARS_gNB **) malloc(sizeof(PHY_VARS_gNB *));
551
  RC.gNB[0] = calloc(1,sizeof(PHY_VARS_gNB));
552
  gNB = RC.gNB[0];
553
  gNB->ofdm_offset_divisor = UINT_MAX;
554
  gNB->num_pusch_symbols_per_thread = 1;
555

556
  initFloatingCoresTpool(threadCnt, &gNB->threadPool, false, "gNB-tpool");
557
  initNotifiedFIFO(&gNB->respDecode);
558 559

  initNotifiedFIFO(&gNB->respPuschSymb);
560 561 562 563
  initNotifiedFIFO(&gNB->L1_tx_free);
  initNotifiedFIFO(&gNB->L1_tx_filled);
  initNotifiedFIFO(&gNB->L1_tx_out);
  notifiedFIFO_elt_t *msgL1Tx = newNotifiedFIFO_elt(sizeof(processingData_L1tx_t), 0, &gNB->L1_tx_free, NULL);
Sakthivel Velumani's avatar
Sakthivel Velumani committed
564 565
  processingData_L1tx_t *msgDataTx = (processingData_L1tx_t *)NotifiedFifoData(msgL1Tx);
  msgDataTx->slot = -1;
566
  //gNB_config = &gNB->gNB_config;
567

568
  //memset((void *)&gNB->UL_INFO,0,sizeof(gNB->UL_INFO));
Francesco Mani's avatar
Francesco Mani committed
569 570 571 572
  gNB->UL_INFO.rx_ind.pdu_list = (nfapi_nr_rx_data_pdu_t *)malloc(NB_UE_INST*sizeof(nfapi_nr_rx_data_pdu_t));
  gNB->UL_INFO.crc_ind.crc_list = (nfapi_nr_crc_t *)malloc(NB_UE_INST*sizeof(nfapi_nr_crc_t));
  gNB->UL_INFO.rx_ind.number_of_pdus = 0;
  gNB->UL_INFO.crc_ind.number_crcs = 0;
573
  gNB->max_ldpc_iterations = max_ldpc_iterations;
574
  gNB->pusch_thres = -20;
575
  frame_parms = &gNB->frame_parms; //to be initialized I suppose (maybe not necessary for PBCH)
576

577 578 579 580
  frame_parms->N_RB_DL = N_RB_DL;
  frame_parms->N_RB_UL = N_RB_UL;
  frame_parms->Ncp = extended_prefix_flag ? EXTENDED : NORMAL;

581 582 583
  AssertFatal((gNB->if_inst = NR_IF_Module_init(0)) != NULL, "Cannot register interface");
  gNB->if_inst->NR_PHY_config_req = nr_phy_config_request;

584 585 586 587
  s_re = malloc(n_tx*sizeof(double*));
  s_im = malloc(n_tx*sizeof(double*));
  r_re = malloc(n_rx*sizeof(double*));
  r_im = malloc(n_rx*sizeof(double*));
588

Robert Schmidt's avatar
Robert Schmidt committed
589 590
  NR_ServingCellConfigCommon_t *scc = calloc(1,sizeof(*scc));;
  prepare_scc(scc);
591
  uint64_t ssb_bitmap;
Robert Schmidt's avatar
Robert Schmidt committed
592
  fill_scc_sim(scc, &ssb_bitmap, N_RB_DL, N_RB_DL, mu, mu);
Francesco Mani's avatar
Francesco Mani committed
593 594
  fix_scc(scc,ssb_bitmap);

595 596 597 598 599 600 601 602
  // TODO do a UECAP for phy-sim
  const nr_mac_config_t conf = {.pdsch_AntennaPorts = {.N1 = 1, .N2 = 1, .XP = 1},
                                .pusch_AntennaPorts = n_rx,
                                .minRXTXTIME = 0,
                                .do_CSIRS = 0,
                                .do_SRS = 0,
                                .force_256qam_off = false};

603 604 605 606
  RC.nb_nr_macrlc_inst = 1;
  RC.nb_nr_mac_CC = (int*)malloc(RC.nb_nr_macrlc_inst*sizeof(int));
  for (i = 0; i < RC.nb_nr_macrlc_inst; i++)
    RC.nb_nr_mac_CC[i] = 1;
607
  mac_top_init_gNB(ngran_gNB, scc, NULL /* scd will be updated further below */, &conf);
608

Robert Schmidt's avatar
Robert Schmidt committed
609
  NR_ServingCellConfig_t *scd = calloc(1,sizeof(NR_ServingCellConfig_t));
610 611
  prepare_scd(scd);

612 613 614 615 616
  NR_UE_NR_Capability_t* UE_Capability_nr = CALLOC(1,sizeof(NR_UE_NR_Capability_t));
  prepare_sim_uecap(UE_Capability_nr,scc,mu,
                    N_RB_UL,0,mcs_table);

  NR_CellGroupConfig_t *secondaryCellGroup = get_default_secondaryCellGroup(scc, scd, UE_Capability_nr, 0, 1, &conf, 0);
617

618 619 620
  /* RRC parameter validation for secondaryCellGroup */
  fix_scd(scd);

Robert Schmidt's avatar
Robert Schmidt committed
621 622
  NR_BCCH_BCH_Message_t *mib = get_new_MIB_NR(scc);

623
  // UE dedicated configuration
624
  nr_mac_add_test_ue(RC.nrmac[0], secondaryCellGroup->spCellConfig->reconfigurationWithSync->newUE_Identity, secondaryCellGroup);
625
  frame_parms->nb_antennas_tx = 1;
626 627
  frame_parms->nb_antennas_rx = n_rx;
  nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
628
  cfg->carrier_config.num_tx_ant.value = 1;
629
  cfg->carrier_config.num_rx_ant.value = n_rx;
630

Raymond Knopp's avatar
Raymond Knopp committed
631
//  nr_phy_config_request_sim(gNB,N_RB_DL,N_RB_DL,mu,0,0x01);
632
  gNB->ldpc_offload_flag = ldpc_offload_flag;
633 634
  gNB->chest_freq = chest_type[0];
  gNB->chest_time = chest_type[1];
Hongzhi Wang's avatar
Hongzhi Wang committed
635

636
  phy_init_nr_gNB(gNB);
637 638 639 640
  /* RU handles rxdataF, and gNB just has a pointer. Here, we don't have an RU,
   * so we need to allocate that memory as well. */
  for (i = 0; i < n_rx; i++)
    gNB->common_vars.rxdataF[i] = malloc16_clear(gNB->frame_parms.samples_per_frame_wCP*sizeof(int32_t));
641
  N_RB_DL = gNB->frame_parms.N_RB_DL;
642

643 644 645 646
  /* no RU: need to have rxdata */
  c16_t **rxdata;
  rxdata = malloc(n_rx * sizeof(*rxdata));
  for (int i = 0; i < n_rx; ++i)
laurent's avatar
laurent committed
647
    rxdata[i] = calloc(gNB->frame_parms.samples_per_frame, sizeof(**rxdata));
648 649 650

  NR_BWP_Uplink_t *ubwp=secondaryCellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList->list.array[0];

651 652 653 654 655 656 657 658 659 660 661
  // Configure channel model
  UE2gNB = new_channel_desc_scm(n_tx,
                                n_rx,
                                channel_model,
                                sampling_frequency / 1e6,
                                frame_parms->ul_CarrierFreq,
                                tx_bandwidth,
                                DS_TDL,
                                maxDoppler,
                                corr_level,
                                0,
662
                                delay,
663 664
                                0,
                                0);
665

666 667 668 669
  if (UE2gNB == NULL) {
    printf("Problem generating channel model. Exiting.\n");
    exit(-1);
  }
670

671
  // Configure UE
672
  UE = calloc(1, sizeof(PHY_VARS_NR_UE));
Florian Kaltenberger's avatar
Florian Kaltenberger committed
673 674 675
  PHY_vars_UE_g = malloc(sizeof(PHY_VARS_NR_UE**));
  PHY_vars_UE_g[0] = malloc(sizeof(PHY_VARS_NR_UE*));
  PHY_vars_UE_g[0][0] = UE;
676
  memcpy(&UE->frame_parms, frame_parms, sizeof(NR_DL_FRAME_PARMS));
677
  UE->frame_parms.nb_antennas_tx = n_tx;
678
  UE->frame_parms.nb_antennas_rx = 0;
679

680
  if (init_nr_ue_signal(UE, 1) != 0) {
681 682 683 684
    printf("Error at UE NR initialisation\n");
    exit(-1);
  }

685
  init_nr_ue_transport(UE);
686

francescomani's avatar
francescomani committed
687 688 689 690
  for(int n_scid = 0; n_scid<2; n_scid++) {
    UE->scramblingID_ulsch[n_scid] = frame_parms->Nid_cell;
    nr_init_pusch_dmrs(UE, frame_parms->Nid_cell, n_scid);
  }
691 692

  //Configure UE
693
  nr_l2_init_ue();
694

695
  NR_UE_MAC_INST_t* UE_mac = get_mac_inst(0);
696 697

  ue_init_config_request(UE_mac, mu);
698 699 700 701 702 703 704 705 706 707 708
  
  UE->if_inst = nr_ue_if_module_init(0);
  UE->if_inst->scheduled_response = nr_ue_scheduled_response;
  UE->if_inst->phy_config_request = nr_ue_phy_config_request;
  UE->if_inst->dl_indication = nr_ue_dl_indication;
  UE->if_inst->ul_indication = nr_ue_ul_indication;
  
  UE_mac->if_module = nr_ue_if_module_init(0);

  nr_ue_phy_config_request(&UE_mac->phy_config);

709
  unsigned char harq_pid = 0;
710

francescomani's avatar
francescomani committed
711
  NR_gNB_ULSCH_t *ulsch_gNB = &gNB->ulsch[UE_id];
Hongzhi Wang's avatar
Hongzhi Wang committed
712

713 714
  NR_Sched_Rsp_t *Sched_INFO = malloc(sizeof(*Sched_INFO));
  memset((void*)Sched_INFO,0,sizeof(*Sched_INFO));
715 716
  nfapi_nr_ul_tti_request_t *UL_tti_req = &Sched_INFO->UL_tti_req;
  Sched_INFO->sched_response_id = -1;
717

718
  nr_phy_data_tx_t phy_data = {0};
719

720
  uint32_t errors_decoding = 0;
721

722 723 724
  nr_scheduled_response_t scheduled_response={0};
  fapi_nr_ul_config_request_t ul_config={0};
  fapi_nr_tx_request_t tx_req={0};
725

726 727 728 729 730
  uint8_t ptrs_mcs1 = 2;
  uint8_t ptrs_mcs2 = 4;
  uint8_t ptrs_mcs3 = 10;
  uint16_t n_rb0 = 25;
  uint16_t n_rb1 = 75;
dir's avatar
dir committed
731
  
732
  uint16_t pdu_bit_map = PUSCH_PDU_BITMAP_PUSCH_DATA; // | PUSCH_PDU_BITMAP_PUSCH_PTRS;
733
  uint8_t crc_status = 0;
734

dir's avatar
dir committed
735
  unsigned char mod_order = nr_get_Qm_ul(Imcs, mcs_table);
736
  uint16_t code_rate = nr_get_code_rate_ul(Imcs, mcs_table);
737 738 739 740 741

  uint8_t mapping_type = typeB; // Default Values
  pusch_dmrs_type_t dmrs_config_type = pusch_dmrs_type1; // Default Values
  pusch_dmrs_AdditionalPosition_t add_pos = pusch_dmrs_pos0; // Default Values

742 743
  /* validate parameters othwerwise default values are used */
  /* -U flag can be used to set DMRS parameters*/
744
  if(modify_dmrs) {
745
    if(dmrs_arg[0] == 0)
746
      mapping_type = typeA;
747
    else if (dmrs_arg[0] == 1)
748
      mapping_type = typeB;
749 750 751
    /* Additional DMRS positions */
    if(dmrs_arg[1] >= 0 && dmrs_arg[1] <=3 )
      add_pos = dmrs_arg[1];
752
    /* DMRS Conf Type 1 or 2 */
753
    if(dmrs_arg[2] == 1)
754
      dmrs_config_type = pusch_dmrs_type1;
755
    else if(dmrs_arg[2] == 2)
756
      dmrs_config_type = pusch_dmrs_type2;
757
    num_dmrs_cdm_grps_no_data = dmrs_arg[3];
758 759
  }

760 761
  uint8_t  length_dmrs = pusch_len1;
  uint16_t l_prime_mask = get_l_prime(nb_symb_sch, mapping_type, add_pos, length_dmrs, start_symbol, NR_MIB__dmrs_TypeA_Position_pos2);
762
  uint16_t number_dmrs_symbols = get_dmrs_symbols_in_slot(l_prime_mask, nb_symb_sch);
763
  printf("num dmrs sym %d\n",number_dmrs_symbols);
764
  uint8_t  nb_re_dmrs = (dmrs_config_type == pusch_dmrs_type1) ? 6 : 4;
dir's avatar
dir committed
765

766 767 768 769 770 771
  uint32_t tbslbrm = 0;
  if (ilbrm)
    tbslbrm = nr_compute_tbslbrm(mcs_table,
                                 N_RB_UL,
                                 precod_nbr_layers);

772
  if ((UE->frame_parms.nb_antennas_tx==4)&&(precod_nbr_layers==4))
773
    num_dmrs_cdm_grps_no_data = 2;
774

775
  if (transform_precoding == transformPrecoder_enabled) {
dir's avatar
dir committed
776 777 778 779

    AssertFatal(enable_ptrs == 0, "PTRS NOT SUPPORTED IF TRANSFORM PRECODING IS ENABLED\n");

    int8_t index = get_index_for_dmrs_lowpapr_seq((NR_NB_SC_PER_RB/2) * nb_rb);
780
    AssertFatal(index >= 0, "Num RBs not configured according to 3GPP 38.211 section 6.3.1.4. For PUSCH with transform precoding, num RBs cannot be multiple of any other primenumber other than 2,3,5\n");
781

dir's avatar
dir committed
782
    dmrs_config_type = pusch_dmrs_type1;
783
    nb_re_dmrs = 6;
dir's avatar
dir committed
784 785 786 787

    printf("[ULSIM]: TRANSFORM PRECODING ENABLED. Num RBs: %d, index for DMRS_SEQ: %d\n", nb_rb, index);
  }

788
  nb_re_dmrs = nb_re_dmrs * num_dmrs_cdm_grps_no_data;
789
  unsigned int TBS = nr_compute_tbs(mod_order, code_rate, nb_rb, nb_symb_sch, nb_re_dmrs * number_dmrs_symbols, 0, 0, precod_nbr_layers);
dir's avatar
dir committed
790
  
791 792 793
  printf("[ULSIM]: length_dmrs: %u, l_prime_mask: %u	number_dmrs_symbols: %u, mapping_type: %u add_pos: %d \n", length_dmrs, l_prime_mask, number_dmrs_symbols, mapping_type, add_pos);
  printf("[ULSIM]: CDM groups: %u, dmrs_config_type: %d, num_rbs: %u, nb_symb_sch: %u\n", num_dmrs_cdm_grps_no_data, dmrs_config_type, nb_rb, nb_symb_sch);
  printf("[ULSIM]: MCS: %d, mod order: %u, code_rate: %u\n", Imcs, mod_order, code_rate);
dir's avatar
dir committed
794

795 796 797 798
  uint8_t ulsch_input_buffer[TBS/8];

  ulsch_input_buffer[0] = 0x31;
  for (i = 1; i < TBS/8; i++) {
799
    ulsch_input_buffer[i] = (uint8_t)rand();
800 801
  }

802
  uint8_t ptrs_time_density = get_L_ptrs(ptrs_mcs1, ptrs_mcs2, ptrs_mcs3, Imcs, mcs_table);
803
  uint8_t ptrs_freq_density = get_K_ptrs(n_rb0, n_rb1, nb_rb);
804

805 806
  double ts = 1.0/(frame_parms->subcarrier_spacing * frame_parms->ofdm_symbol_size);

807
  /* -T option enable PTRS */
808
  if(enable_ptrs) {
809 810 811 812 813 814
    /* validate parameters othwerwise default values are used */
    if(ptrs_arg[0] == 0 || ptrs_arg[0] == 1 || ptrs_arg[0] == 2 )
      ptrs_time_density = ptrs_arg[0];
    if(ptrs_arg[1] == 2 || ptrs_arg[1] == 4 )
      ptrs_freq_density = ptrs_arg[1];
    pdu_bit_map |= PUSCH_PDU_BITMAP_PUSCH_PTRS;
815
    printf("NOTE: PTRS Enabled with L %d, K %d \n", ptrs_time_density, ptrs_freq_density );
816
  }
817

818
  if (input_fd != NULL || n_trials == 1) max_rounds=1;
819

laurent's avatar
laurent committed
820
  if (enable_ptrs && 1 << ptrs_time_density >= nb_symb_sch)
821
    pdu_bit_map &= ~PUSCH_PDU_BITMAP_PUSCH_PTRS; // disable PUSCH PTRS
822

823
  printf("\n");
824

825 826 827 828 829 830 831 832 833 834 835 836
  uint32_t unav_res = 0;
  if (pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) {
    set_ptrs_symb_idx(&ptrsSymPos, nb_symb_sch, start_symbol, 1 << ptrs_time_density, l_prime_mask);
    ptrsSymbPerSlot = get_ptrs_symbols_in_slot(ptrsSymPos, start_symbol, nb_symb_sch);
    ptrsRePerSymb = ((nb_rb + ptrs_freq_density - 1) / ptrs_freq_density);
    unav_res = ptrsSymbPerSlot * ptrsRePerSymb;
    LOG_D(PHY, "[ULSIM] PTRS Symbols in a slot: %2u, RE per Symbol: %3u, RE in a slot %4d\n", ptrsSymbPerSlot, ptrsRePerSymb, unav_res);
  }

  unsigned int available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, number_dmrs_symbols, unav_res, mod_order, precod_nbr_layers);
  printf("[ULSIM]: VALUE OF G: %u, TBS: %u\n", available_bits, TBS);

837 838 839 840 841 842 843 844 845 846 847
  int frame_length_complex_samples = frame_parms->samples_per_subframe*NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
  for (int aatx=0; aatx<n_tx; aatx++) {
    s_re[aatx] = calloc(1,frame_length_complex_samples*sizeof(double));
    s_im[aatx] = calloc(1,frame_length_complex_samples*sizeof(double));
  }

  for (int aarx=0; aarx<n_rx; aarx++) {
    r_re[aarx] = calloc(1,frame_length_complex_samples*sizeof(double));
    r_im[aarx] = calloc(1,frame_length_complex_samples*sizeof(double));
  }

Sakthivel Velumani's avatar
Sakthivel Velumani committed
848
  //for (int i=0;i<16;i++) printf("%f\n",gaussdouble(0.0,1.0));
849
  int read_errors=0;
850

851
  int slot_offset = frame_parms->get_samples_slot_timestamp(slot,frame_parms,0);
852 853 854 855 856 857
  int slot_length = slot_offset - frame_parms->get_samples_slot_timestamp(slot-1,frame_parms,0);

  if (input_fd != NULL)	{
    // 800 samples is N_TA_OFFSET for FR1 @ 30.72 Ms/s,
    AssertFatal(frame_parms->subcarrier_spacing==30000,"only 30 kHz for file input for now (%d)\n",frame_parms->subcarrier_spacing);
  
858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881
    if (params_from_file) {
      fseek(input_fd,file_offset*((slot_length<<2)+4000+16),SEEK_SET);
      read_errors+=fread((void*)&n_rnti,sizeof(int16_t),1,input_fd);
      printf("rnti %x\n",n_rnti);
      read_errors+=fread((void*)&nb_rb,sizeof(int16_t),1,input_fd);
      printf("nb_rb %d\n",nb_rb);
      int16_t dummy;
      read_errors+=fread((void*)&start_rb,sizeof(int16_t),1,input_fd);
      //fread((void*)&dummy,sizeof(int16_t),1,input_fd);
      printf("rb_start %d\n",start_rb);
      read_errors+=fread((void*)&nb_symb_sch,sizeof(int16_t),1,input_fd);
      //fread((void*)&dummy,sizeof(int16_t),1,input_fd);
      printf("nb_symb_sch %d\n",nb_symb_sch);
      read_errors+=fread((void*)&start_symbol,sizeof(int16_t),1,input_fd);
      printf("start_symbol %d\n",start_symbol);
      read_errors+=fread((void*)&Imcs,sizeof(int16_t),1,input_fd);
      printf("mcs %d\n",Imcs);
      read_errors+=fread((void*)&rv_index,sizeof(int16_t),1,input_fd);
      printf("rv_index %d\n",rv_index);
      //    fread((void*)&harq_pid,sizeof(int16_t),1,input_fd);
      read_errors+=fread((void*)&dummy,sizeof(int16_t),1,input_fd);
      printf("harq_pid %d\n",harq_pid);
    }
    fseek(input_fd,file_offset*sizeof(int16_t)*2,SEEK_SET);
882 883
    for (int irx=0; irx<frame_parms->nb_antennas_rx; irx++) {
      fseek(input_fd,irx*(slot_length+15)*sizeof(int16_t)*2,SEEK_SET); // matlab adds samlples to the end to emulate channel delay
884
      read_errors += fread((void *)&rxdata[irx][slot_offset-delay], sizeof(int16_t), slot_length<<1, input_fd);
885 886 887 888
      if (read_errors==0) {
        printf("error reading file\n");
        exit(1);
      }
889 890 891 892 893
      for (int i=0;i<16;i+=2)
        printf("slot_offset %d : %d,%d\n",
               slot_offset,
               rxdata[irx][slot_offset].r,
               rxdata[irx][slot_offset].i);
894
    }
Raymond Knopp's avatar
Raymond Knopp committed
895

896 897
    mod_order = nr_get_Qm_ul(Imcs, mcs_table);
    code_rate = nr_get_code_rate_ul(Imcs, mcs_table);
898
  }
899

900 901 902 903 904 905 906 907 908 909 910 911 912 913
  // csv file
  if (filename_csv != NULL) {
    csv_file = fopen(filename_csv, "a");
    if (csv_file == NULL) {
      printf("Can't open file \"%s\", errno %d\n", filename_csv, errno);
      return 1;
    }
    // adding name of parameters into file
    fprintf(csv_file,"SNR,false_positive,");
    for (int r = 0; r < max_rounds; r++)
      fprintf(csv_file,"n_errors_%d,errors_scrambling_%d,channel_bler_%d,channel_ber_%d,",r,r,r,r);
    fprintf(csv_file,"avg_round,eff_rate,eff_throughput,TBS,DMRS-PUSCH delay estimation: (min,max,average)\n");
  }
  //---------------
914
  int ret = 1;
francescomani's avatar
francescomani committed
915 916
  for (SNR = snr0; SNR <= snr1; SNR += snr_step) {

Sakthivel Velumani's avatar
Sakthivel Velumani committed
917
    varArray_t *table_rx=initVarArray(1000,sizeof(double));
918 919
    int error_flag = 0;
    n_false_positive = 0;
920 921 922
    effRate = 0;
    effTP = 0;
    roundStats = 0;
Sakthivel Velumani's avatar
fixes  
Sakthivel Velumani committed
923 924
    reset_meas(&gNB->phy_proc_rx);
    reset_meas(&gNB->rx_pusch_stats);
925 926
    reset_meas(&gNB->rx_pusch_init_stats);
    reset_meas(&gNB->rx_pusch_symbol_processing_stats);
Sakthivel Velumani's avatar
fixes  
Sakthivel Velumani committed
927 928
    reset_meas(&gNB->ulsch_decoding_stats);
    reset_meas(&gNB->ulsch_channel_estimation_stats);
929 930 931 932
    reset_meas(&UE->ulsch_ldpc_encoding_stats);
    reset_meas(&UE->ulsch_rate_matching_stats);
    reset_meas(&UE->ulsch_interleaving_stats);
    reset_meas(&UE->ulsch_encoding_stats);
933 934 935 936 937 938 939 940
    reset_meas(&gNB->rx_srs_stats);
    reset_meas(&gNB->generate_srs_stats);
    reset_meas(&gNB->get_srs_signal_stats);
    reset_meas(&gNB->srs_channel_estimation_stats);
    reset_meas(&gNB->srs_timing_advance_stats);
    reset_meas(&gNB->srs_report_tlv_stats);
    reset_meas(&gNB->srs_beam_report_stats);
    reset_meas(&gNB->srs_iq_matrix_stats);
941

942 943 944 945 946 947
    uint32_t errors_scrambling[16] = {0};
    int n_errors[16] = {0};
    int round_trials[16] = {0};
    double blerStats[16] = {0};
    double berStats[16] = {0};

948 949 950 951 952
    uint64_t sum_pusch_delay = 0;
    int min_pusch_delay = INT_MAX;
    int max_pusch_delay = INT_MIN;
    int delay_pusch_est_count = 0;

Sakthivel Velumani's avatar
Sakthivel Velumani committed
953
    for (trial = 0; trial < n_trials; trial++) {
954

955 956 957
      uint8_t round = 0;
      crc_status = 1;
      errors_decoding = 0;
958

959
      while (round < max_rounds && crc_status) {
960

961 962 963
        round_trials[round]++;
        rv_index = nr_rv_round_map[round % 4];

964
        /// gNB UL PDUs
965 966 967

        UL_tti_req->SFN = frame;
        UL_tti_req->Slot = slot;
968 969 970 971 972 973 974
        UL_tti_req->n_pdus = do_SRS == 1 ? 2 : 1;

        nfapi_nr_ul_tti_request_number_of_pdus_t *pdu_element0 = &UL_tti_req->pdus_list[0];
        pdu_element0->pdu_type = NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE;
        pdu_element0->pdu_size = sizeof(nfapi_nr_pusch_pdu_t);

        nfapi_nr_pusch_pdu_t *pusch_pdu = &pdu_element0->pusch_pdu;
975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992
        memset(pusch_pdu, 0, sizeof(nfapi_nr_pusch_pdu_t));

        int abwp_size = NRRIV2BW(ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
        int abwp_start = NRRIV2PRBOFFSET(ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
        int ibwp_size = ibwps;
        int ibwp_start = ibwp_rboffset;
        if (msg3_flag == 1) {
          if ((ibwp_start < abwp_start) || (ibwp_size > abwp_size))
            pusch_pdu->bwp_start = abwp_start;
          else
            pusch_pdu->bwp_start = ibwp_start;
          pusch_pdu->bwp_size = ibwp_size;
          start_rb = (ibwp_start - abwp_start);
          printf("msg3: ibwp_size %d, abwp_size %d, ibwp_start %d, abwp_start %d\n", ibwp_size, abwp_size, ibwp_start, abwp_start);
        } else {
          pusch_pdu->bwp_start = abwp_start;
          pusch_pdu->bwp_size = abwp_size;
        }
993

994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020
        pusch_pdu->pusch_data.tb_size = TBS >> 3;
        pusch_pdu->pdu_bit_map = pdu_bit_map;
        pusch_pdu->rnti = n_rnti;
        pusch_pdu->mcs_index = Imcs;
        pusch_pdu->mcs_table = mcs_table;
        pusch_pdu->target_code_rate = code_rate;
        pusch_pdu->qam_mod_order = mod_order;
        pusch_pdu->transform_precoding = transform_precoding;
        pusch_pdu->data_scrambling_id = *scc->physCellId;
        pusch_pdu->nrOfLayers = precod_nbr_layers;
        pusch_pdu->ul_dmrs_symb_pos = l_prime_mask;
        pusch_pdu->dmrs_config_type = dmrs_config_type;
        pusch_pdu->ul_dmrs_scrambling_id = *scc->physCellId;
        pusch_pdu->scid = 0;
        pusch_pdu->dmrs_ports = ((1 << precod_nbr_layers) - 1);
        pusch_pdu->num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data;
        pusch_pdu->resource_alloc = 1;
        pusch_pdu->rb_start = start_rb;
        pusch_pdu->rb_size = nb_rb;
        pusch_pdu->vrb_to_prb_mapping = 0;
        pusch_pdu->frequency_hopping = 0;
        pusch_pdu->uplink_frequency_shift_7p5khz = 0;
        pusch_pdu->start_symbol_index = start_symbol;
        pusch_pdu->nr_of_symbols = nb_symb_sch;
        pusch_pdu->maintenance_parms_v3.tbSizeLbrmBytes = tbslbrm;
        pusch_pdu->pusch_data.rv_index = rv_index;
        pusch_pdu->pusch_data.harq_process_id = 0;
laurent's avatar
laurent committed
1021
        pusch_pdu->pusch_data.new_data_indicator = round == 0 ? true : false;
1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
        pusch_pdu->pusch_data.num_cb = 0;
        pusch_pdu->pusch_ptrs.ptrs_time_density = ptrs_time_density;
        pusch_pdu->pusch_ptrs.ptrs_freq_density = ptrs_freq_density;
        pusch_pdu->pusch_ptrs.ptrs_ports_list = (nfapi_nr_ptrs_ports_t *)malloc(2 * sizeof(nfapi_nr_ptrs_ports_t));
        pusch_pdu->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset = 0;
        pusch_pdu->maintenance_parms_v3.ldpcBaseGraph = get_BG(TBS, code_rate);

        // if transform precoding is enabled
        if (transform_precoding == transformPrecoder_enabled) {
          pusch_pdu->dfts_ofdm.low_papr_group_number = *scc->physCellId % 30; // U as defined in 38.211 section 6.4.1.1.1.2
          pusch_pdu->dfts_ofdm.low_papr_sequence_number = 0; // V as defined in 38.211 section 6.4.1.1.1.2
          pusch_pdu->num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data;
        }
1035

1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071
        if (do_SRS == 1) {
          const uint16_t m_SRS[64] = { 4, 8, 12, 16, 16, 20, 24, 24, 28, 32, 36, 40, 48, 48, 52, 56, 60, 64, 72, 72, 76, 80, 88,
                                      96, 96, 104, 112, 120, 120, 120, 128, 128, 128, 132, 136, 144, 144, 144, 144, 152, 160,
                                      160, 160, 168, 176, 184, 192, 192, 192, 192, 208, 216, 224, 240, 240, 240, 240, 256, 256,
                                      256, 264, 272, 272, 272 };
          nfapi_nr_ul_tti_request_number_of_pdus_t *pdu_element1 = &UL_tti_req->pdus_list[1];
          pdu_element1->pdu_type = NFAPI_NR_UL_CONFIG_SRS_PDU_TYPE;
          pdu_element1->pdu_size = sizeof(nfapi_nr_srs_pdu_t);
          nfapi_nr_srs_pdu_t *srs_pdu = &pdu_element1->srs_pdu;
          memset(srs_pdu, 0, sizeof(nfapi_nr_srs_pdu_t));
          srs_pdu->rnti = n_rnti;
          srs_pdu->bwp_size = NRRIV2BW(ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
          srs_pdu->bwp_start = NRRIV2PRBOFFSET(ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
          srs_pdu->subcarrier_spacing = frame_parms->subcarrier_spacing;
          srs_pdu->num_ant_ports = n_tx == 4 ? 2 : n_tx == 2 ? 1 : 0;
          srs_pdu->sequence_id = 40;
          srs_pdu->config_index = rrc_get_max_nr_csrs(srs_pdu->bwp_size, srs_pdu->bandwidth_index);
          srs_pdu->resource_type = NR_SRS_Resource__resourceType_PR_periodic;
          srs_pdu->t_srs = 1;
          srs_pdu->srs_parameters_v4.srs_bandwidth_size = m_SRS[srs_pdu->config_index];
          srs_pdu->srs_parameters_v4.usage = 1 << NR_SRS_ResourceSet__usage_codebook;
          srs_pdu->srs_parameters_v4.report_type[0] = 1;
          srs_pdu->srs_parameters_v4.iq_representation = 1;
          srs_pdu->srs_parameters_v4.prg_size = 1;
          srs_pdu->srs_parameters_v4.num_total_ue_antennas = 1 << srs_pdu->num_ant_ports;
          srs_pdu->beamforming.num_prgs = m_SRS[srs_pdu->config_index];
          srs_pdu->beamforming.prg_size = 1;
        }

        /// UE UL PDUs

        UE->ul_harq_processes[harq_pid].round = round;
        UE_proc.nr_slot_tx = slot;
        UE_proc.frame_tx = frame;
        UE_proc.gNB_id = 0;

1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084
        // prepare ULSCH/PUSCH reception
        pushNotifiedFIFO(&gNB->L1_tx_free, msgL1Tx); // to unblock the process in the beginning
        nr_schedule_response(Sched_INFO);

        // --------- setting parameters for UE --------

        scheduled_response.module_id = 0;
        scheduled_response.CC_id = 0;
        scheduled_response.frame = frame;
        scheduled_response.slot = slot;
        scheduled_response.dl_config = NULL;
        scheduled_response.ul_config = &ul_config;
        scheduled_response.tx_request = &tx_req;
1085
        scheduled_response.phy_data = (void *)&phy_data;
1086 1087 1088 1089

        // Config UL TX PDU
        tx_req.slot = slot;
        tx_req.sfn = frame;
1090 1091
        tx_req.number_of_pdus = 1; //do_SRS == 1 ? 2 : 1;

1092 1093 1094 1095 1096
        tx_req.tx_request_body[0].pdu_length = TBS / 8;
        tx_req.tx_request_body[0].pdu_index = 0;
        tx_req.tx_request_body[0].pdu = &ulsch_input_buffer[0];

        ul_config.slot = slot;
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
        ul_config.number_pdus = do_SRS == 1 ? 2 : 1;

        fapi_nr_ul_config_request_pdu_t *ul_config0 = &ul_config.ul_config_list[0];
        ul_config0->pdu_type = FAPI_NR_UL_CONFIG_TYPE_PUSCH;
        nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu = &ul_config0->pusch_config_pdu;
        pusch_config_pdu->rnti = n_rnti;
        pusch_config_pdu->pdu_bit_map = pdu_bit_map;
        pusch_config_pdu->qam_mod_order = mod_order;
        pusch_config_pdu->rb_size = nb_rb;
        pusch_config_pdu->rb_start = start_rb;
        pusch_config_pdu->nr_of_symbols = nb_symb_sch;
        pusch_config_pdu->start_symbol_index = start_symbol;
        pusch_config_pdu->ul_dmrs_symb_pos = l_prime_mask;
        pusch_config_pdu->dmrs_config_type = dmrs_config_type;
        pusch_config_pdu->mcs_index = Imcs;
        pusch_config_pdu->mcs_table = mcs_table;
        pusch_config_pdu->num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data;
        pusch_config_pdu->nrOfLayers = precod_nbr_layers;
        pusch_config_pdu->dmrs_ports = ((1 << precod_nbr_layers) - 1);
        pusch_config_pdu->absolute_delta_PUSCH = 0;
        pusch_config_pdu->target_code_rate = code_rate;
        pusch_config_pdu->tbslbrm = tbslbrm;
        pusch_config_pdu->pusch_data.tb_size = TBS / 8;
        pusch_config_pdu->pusch_data.new_data_indicator = trial & 0x1;
        pusch_config_pdu->pusch_data.rv_index = rv_index;
        pusch_config_pdu->pusch_data.harq_process_id = harq_pid;
        pusch_config_pdu->pusch_ptrs.ptrs_time_density = ptrs_time_density;
        pusch_config_pdu->pusch_ptrs.ptrs_freq_density = ptrs_freq_density;
        pusch_config_pdu->pusch_ptrs.ptrs_ports_list = (nfapi_nr_ue_ptrs_ports_t *)malloc(2 * sizeof(nfapi_nr_ue_ptrs_ports_t));
        pusch_config_pdu->pusch_ptrs.ptrs_ports_list[0].ptrs_re_offset = 0;
        pusch_config_pdu->transform_precoding = transform_precoding;
1128 1129
        // if transform precoding is enabled
        if (transform_precoding == transformPrecoder_enabled) {
1130 1131 1132 1133
          pusch_config_pdu->dfts_ofdm.low_papr_group_number = *scc->physCellId % 30; // U as defined in 38.211 section 6.4.1.1.1.2
          pusch_config_pdu->dfts_ofdm.low_papr_sequence_number = 0; // V as defined in 38.211 section 6.4.1.1.1.2
          // pusch_config_pdu->pdu_bit_map |= PUSCH_PDU_BITMAP_DFTS_OFDM;
          pusch_config_pdu->num_dmrs_cdm_grps_no_data = num_dmrs_cdm_grps_no_data;
1134
        }
dir's avatar
dir committed
1135

1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150
        if (do_SRS == 1) {
          fapi_nr_ul_config_request_pdu_t *ul_config1 = &ul_config.ul_config_list[1];
          ul_config1->pdu_type = FAPI_NR_UL_CONFIG_TYPE_SRS;
          fapi_nr_ul_config_srs_pdu *srs_config_pdu = &ul_config1->srs_config_pdu;
          memset(srs_config_pdu, 0, sizeof(fapi_nr_ul_config_srs_pdu));
          srs_config_pdu->rnti = n_rnti;
          srs_config_pdu->bwp_size = NRRIV2BW(ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
          srs_config_pdu->bwp_start = NRRIV2PRBOFFSET(ubwp->bwp_Common->genericParameters.locationAndBandwidth, 275);
          srs_config_pdu->subcarrier_spacing = frame_parms->subcarrier_spacing;
          srs_config_pdu->num_ant_ports = n_tx == 4 ? 2 : n_tx == 2 ? 1 : 0;
          srs_config_pdu->config_index = rrc_get_max_nr_csrs(srs_config_pdu->bwp_size, srs_config_pdu->bandwidth_index);
          srs_config_pdu->sequence_id = 40;
          srs_config_pdu->resource_type = NR_SRS_Resource__resourceType_PR_periodic;
          srs_config_pdu->t_srs = 1;
        }
1151 1152

        for (int i = 0; i < (TBS / 8); i++)
1153
          UE->ul_harq_processes[harq_pid].a[i] = i & 0xff;
1154

1155 1156 1157 1158 1159 1160 1161
        if (input_fd == NULL) {
          // set FAPI parameters for UE, put them in the scheduled response and call
          nr_ue_scheduled_response(&scheduled_response);

          /////////////////////////phy_procedures_nr_ue_TX///////////////////////
          ///////////

1162
          phy_procedures_nrUE_TX(UE, &UE_proc, &phy_data);
1163 1164

          if (n_trials == 1) {
laurent's avatar
laurent committed
1165
            LOG_M("txsig0.m", "txs0", &UE->common_vars.txData[0][slot_offset], slot_length, 1, 1);
1166
            if (precod_nbr_layers > 1) {
Laurent THOMAS's avatar
Laurent THOMAS committed
1167 1168 1169 1170
            LOG_M("txsig1.m", "txs1", &UE->common_vars.txData[1][slot_offset], slot_length, 1, 1);
            if (precod_nbr_layers == 4) {
              LOG_M("txsig2.m", "txs2", &UE->common_vars.txData[2][slot_offset], slot_length, 1, 1);
              LOG_M("txsig3.m", "txs3", &UE->common_vars.txData[3][slot_offset], slot_length, 1, 1);
1171
              }
1172 1173
            }
          }
1174 1175 1176 1177 1178
          ///////////
          ////////////////////////////////////////////////////
          tx_offset = frame_parms->get_samples_slot_timestamp(slot, frame_parms, 0);
          txlev_sum = 0;
          for (int aa = 0; aa < UE->frame_parms.nb_antennas_tx; aa++) {
laurent's avatar
laurent committed
1179 1180 1181 1182
            atxlev[aa] = signal_energy(
                (int32_t *)&UE->common_vars.txData[aa][tx_offset + 5 * frame_parms->ofdm_symbol_size
                                                       + 4 * frame_parms->nb_prefix_samples + frame_parms->nb_prefix_samples0],
                frame_parms->ofdm_symbol_size + frame_parms->nb_prefix_samples);
1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202

            txlev_sum += atxlev[aa];

            if (n_trials == 1)
              printf("txlev[%d] = %d (%f dB) txlev_sum %d\n", aa, atxlev[aa], 10 * log10((double)atxlev[aa]), txlev_sum);
          }
        } else
          n_trials = 1;

        if (input_fd == NULL) {
          // Justification of division by precod_nbr_layers:
          // When the channel is the identity matrix, the results in terms of SNR should be almost equal for 2x2 and 4x4.
          sigma_dB = 10 * log10((double)txlev_sum / precod_nbr_layers * ((double)frame_parms->ofdm_symbol_size / (12 * nb_rb))) - SNR;
          sigma = pow(10, sigma_dB / 10);

          if (n_trials == 1)
            printf("sigma %f (%f dB), txlev_sum %f (factor %f)\n", sigma, sigma_dB, 10 * log10((double)txlev_sum), (double)(double)frame_parms->ofdm_symbol_size / (12 * nb_rb));

          for (i = 0; i < slot_length; i++) {
            for (int aa = 0; aa < UE->frame_parms.nb_antennas_tx; aa++) {
laurent's avatar
laurent committed
1203 1204
              s_re[aa][i] = (double)UE->common_vars.txData[aa][slot_offset + i].r;
              s_im[aa][i] = (double)UE->common_vars.txData[aa][slot_offset + i].i;
1205
            }
1206
          }
1207

1208
          multipath_channel(UE2gNB, s_re, s_im, r_re, r_im, slot_length, 0, (n_trials == 1) ? 1 : 0);
1209
          add_noise(rxdata, (const double **) r_re, (const double **) r_im, sigma, slot_length, slot_offset, ts, delay, pdu_bit_map, PUSCH_PDU_BITMAP_PUSCH_PTRS, frame_parms->nb_antennas_rx);
1210

1211
        } /*End input_fd */
1212

1213 1214 1215 1216 1217
        //----------------------------------------------------------
        //------------------- gNB phy procedures -------------------
        //----------------------------------------------------------
        gNB->UL_INFO.rx_ind.number_of_pdus = 0;
        gNB->UL_INFO.crc_ind.number_crcs = 0;
1218
        gNB->UL_INFO.srs_ind.number_of_pdus = 0;
1219

1220 1221 1222
        for(uint8_t symbol = 0; symbol < (gNB->frame_parms.Ncp == EXTENDED ? 12 : 14); symbol++) {
          for (int aa = 0; aa < gNB->frame_parms.nb_antennas_rx; aa++)
            nr_slot_fep_ul(&gNB->frame_parms,
1223 1224
                           (int32_t *)rxdata[aa],
                           (int32_t *)gNB->common_vars.rxdataF[aa],
1225 1226 1227 1228
                           symbol,
                           slot,
                           0);
        }
1229
        int offset = (slot & 3) * gNB->frame_parms.symbols_per_slot * gNB->frame_parms.ofdm_symbol_size;
1230
        for (int aa = 0; aa < gNB->frame_parms.nb_antennas_rx; aa++)  {
1231
          apply_nr_rotation_RX(&gNB->frame_parms,
1232
                               gNB->common_vars.rxdataF[aa],
1233
                               gNB->frame_parms.symbol_rotation[1],
1234
                               slot,
1235 1236
                               gNB->frame_parms.N_RB_UL,
                               offset,
1237
                               0,
1238
                               gNB->frame_parms.Ncp == EXTENDED ? 12 : 14);
1239
        }
1240

1241
        ul_proc_error = phy_procedures_gNB_uespec_RX(gNB, frame, slot);
1242

1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
        if (n_trials == 1 && round == 0) {
          LOG_M("rxsig0.m", "rx0", &rxdata[0][slot_offset], slot_length, 1, 1);
          LOG_M("rxsigF0.m", "rxsF0", gNB->common_vars.rxdataF[0], 14 * frame_parms->ofdm_symbol_size, 1, 1);
          if (precod_nbr_layers > 1) {
            LOG_M("rxsig1.m", "rx1", &rxdata[1][slot_offset], slot_length, 1, 1);
            LOG_M("rxsigF1.m", "rxsF1", gNB->common_vars.rxdataF[1], 14 * frame_parms->ofdm_symbol_size, 1, 1);
            if (precod_nbr_layers == 4) {
              LOG_M("rxsig2.m", "rx2", &rxdata[2][slot_offset], slot_length, 1, 1);
              LOG_M("rxsig3.m", "rx3", &rxdata[3][slot_offset], slot_length, 1, 1);
              LOG_M("rxsigF2.m", "rxsF2", gNB->common_vars.rxdataF[2], 14 * frame_parms->ofdm_symbol_size, 1, 1);
              LOG_M("rxsigF3.m", "rxsF3", gNB->common_vars.rxdataF[3], 14 * frame_parms->ofdm_symbol_size, 1, 1);
            }
          }
1256
        }
1257

francescomani's avatar
francescomani committed
1258
        NR_gNB_PUSCH *pusch_vars = &gNB->pusch_vars[UE_id];
1259 1260 1261 1262 1263
        if (n_trials == 1 && round == 0) {
          __attribute__((unused)) int off = ((nb_rb & 1) == 1) ? 4 : 0;

          LOG_M("rxsigF0_ext.m",
                "rxsF0_ext",
francescomani's avatar
francescomani committed
1264
                &pusch_vars->rxdataF_ext[0][start_symbol * NR_NB_SC_PER_RB * pusch_pdu->rb_size],
1265 1266 1267
                nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                1,
                1);
francescomani's avatar
francescomani committed
1268 1269 1270 1271 1272 1273
          LOG_M("chestF0.m",
                "chF0",
                &pusch_vars->ul_ch_estimates[0][start_symbol * frame_parms->ofdm_symbol_size],
                frame_parms->ofdm_symbol_size,
                1,
                1);
1274 1275
          LOG_M("chestF0_ext.m",
                "chF0_ext",
francescomani's avatar
francescomani committed
1276
                &pusch_vars->ul_ch_estimates_ext[0][(start_symbol + 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1277 1278 1279 1280 1281
                (nb_symb_sch - 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                1,
                1);
          LOG_M("rxsigF0_comp.m",
                "rxsF0_comp",
francescomani's avatar
francescomani committed
1282
                &pusch_vars->rxdataF_comp[0][start_symbol * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1283 1284 1285
                nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                1,
                1);
francescomani's avatar
francescomani committed
1286 1287 1288 1289 1290 1291
          LOG_M("rxsigF0_llrlayers0.m",
                "rxsF0_llrlayers0",
                &pusch_vars->llr_layers[0][0],
                (nb_symb_sch - 1) * NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,
                1,
                0);
1292 1293 1294 1295

          if (precod_nbr_layers == 2) {
            LOG_M("rxsigF1_ext.m",
                  "rxsF1_ext",
francescomani's avatar
francescomani committed
1296
                  &pusch_vars->rxdataF_ext[1][start_symbol * NR_NB_SC_PER_RB * pusch_pdu->rb_size],
1297 1298 1299 1300
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);

francescomani's avatar
francescomani committed
1301 1302 1303 1304 1305 1306
            LOG_M("chestF3.m",
                  "chF3",
                  &pusch_vars->ul_ch_estimates[3][start_symbol * frame_parms->ofdm_symbol_size],
                  frame_parms->ofdm_symbol_size,
                  1,
                  1);
1307 1308 1309

            LOG_M("chestF3_ext.m",
                  "chF3_ext",
francescomani's avatar
francescomani committed
1310
                  &pusch_vars->ul_ch_estimates_ext[3][(start_symbol + 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1311 1312 1313 1314 1315 1316
                  (nb_symb_sch - 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);

            LOG_M("rxsigF2_comp.m",
                  "rxsF2_comp",
francescomani's avatar
francescomani committed
1317
                  &pusch_vars->rxdataF_comp[2][start_symbol * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1318 1319 1320 1321
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);

francescomani's avatar
francescomani committed
1322 1323 1324 1325 1326 1327
            LOG_M("rxsigF0_llrlayers1.m",
                  "rxsF0_llrlayers1",
                  &pusch_vars->llr_layers[1][0],
                  (nb_symb_sch - 1) * NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,
                  1,
                  0);
1328
          }
1329

1330 1331 1332
          if (precod_nbr_layers == 4) {
            LOG_M("rxsigF1_ext.m",
                  "rxsF1_ext",
francescomani's avatar
francescomani committed
1333
                  &pusch_vars->rxdataF_ext[1][start_symbol * NR_NB_SC_PER_RB * pusch_pdu->rb_size],
1334 1335 1336 1337 1338
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);
            LOG_M("rxsigF2_ext.m",
                  "rxsF2_ext",
francescomani's avatar
francescomani committed
1339
                  &pusch_vars->rxdataF_ext[2][start_symbol * NR_NB_SC_PER_RB * pusch_pdu->rb_size],
1340 1341 1342 1343 1344
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);
            LOG_M("rxsigF3_ext.m",
                  "rxsF3_ext",
francescomani's avatar
francescomani committed
1345
                  &pusch_vars->rxdataF_ext[3][start_symbol * NR_NB_SC_PER_RB * pusch_pdu->rb_size],
1346 1347 1348 1349
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);

francescomani's avatar
francescomani committed
1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367
            LOG_M("chestF5.m",
                  "chF5",
                  &pusch_vars->ul_ch_estimates[5][start_symbol * frame_parms->ofdm_symbol_size],
                  frame_parms->ofdm_symbol_size,
                  1,
                  1);
            LOG_M("chestF10.m",
                  "chF10",
                  &pusch_vars->ul_ch_estimates[10][start_symbol * frame_parms->ofdm_symbol_size],
                  frame_parms->ofdm_symbol_size,
                  1,
                  1);
            LOG_M("chestF15.m",
                  "chF15",
                  &pusch_vars->ul_ch_estimates[15][start_symbol * frame_parms->ofdm_symbol_size],
                  frame_parms->ofdm_symbol_size,
                  1,
                  1);
1368 1369 1370

            LOG_M("chestF5_ext.m",
                  "chF5_ext",
francescomani's avatar
francescomani committed
1371
                  &pusch_vars->ul_ch_estimates_ext[5][(start_symbol + 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1372 1373 1374 1375 1376
                  (nb_symb_sch - 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);
            LOG_M("chestF10_ext.m",
                  "chF10_ext",
francescomani's avatar
francescomani committed
1377
                  &pusch_vars->ul_ch_estimates_ext[10][(start_symbol + 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1378 1379 1380 1381 1382
                  (nb_symb_sch - 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);
            LOG_M("chestF15_ext.m",
                  "chF15_ext",
francescomani's avatar
francescomani committed
1383
                  &pusch_vars->ul_ch_estimates_ext[15][(start_symbol + 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1384 1385 1386 1387 1388 1389
                  (nb_symb_sch - 1) * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);

            LOG_M("rxsigF4_comp.m",
                  "rxsF4_comp",
francescomani's avatar
francescomani committed
1390
                  &pusch_vars->rxdataF_comp[4][start_symbol * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1391 1392 1393 1394 1395
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);
            LOG_M("rxsigF8_comp.m",
                  "rxsF8_comp",
francescomani's avatar
francescomani committed
1396
                  &pusch_vars->rxdataF_comp[8][start_symbol * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1397 1398 1399 1400 1401
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);
            LOG_M("rxsigF12_comp.m",
                  "rxsF12_comp",
francescomani's avatar
francescomani committed
1402
                  &pusch_vars->rxdataF_comp[12][start_symbol * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size))],
1403 1404 1405
                  nb_symb_sch * (off + (NR_NB_SC_PER_RB * pusch_pdu->rb_size)),
                  1,
                  1);
francescomani's avatar
francescomani committed
1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423
            LOG_M("rxsigF0_llrlayers1.m",
                  "rxsF0_llrlayers1",
                  &pusch_vars->llr_layers[1][0],
                  (nb_symb_sch - 1) * NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,
                  1,
                  0);
            LOG_M("rxsigF0_llrlayers2.m",
                  "rxsF0_llrlayers2",
                  &pusch_vars->llr_layers[2][0],
                  (nb_symb_sch - 1) * NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,
                  1,
                  0);
            LOG_M("rxsigF0_llrlayers3.m",
                  "rxsF0_llrlayers3",
                  &pusch_vars->llr_layers[3][0],
                  (nb_symb_sch - 1) * NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,
                  1,
                  0);
1424
          }
1425

francescomani's avatar
francescomani committed
1426 1427 1428 1429 1430 1431
          LOG_M("rxsigF0_llr.m",
                "rxsF0_llr",
                &pusch_vars->llr[0],
                precod_nbr_layers * (nb_symb_sch - 1) * NR_NB_SC_PER_RB * pusch_pdu->rb_size * mod_order,
                1,
                0);
1432
        }
1433

francescomani's avatar
francescomani committed
1434
        if ((ulsch_gNB->last_iteration_cnt >= ulsch_gNB->max_ldpc_iterations + 1) || ul_proc_error == 1) {
1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447
          error_flag = 1;
          n_errors[round]++;
          crc_status = 1;
        } else
          crc_status = 0;
        if (n_trials == 1)
          printf("end of round %d rv_index %d\n", round, rv_index);

        //----------------------------------------------------------
        //----------------- count and print errors -----------------
        //----------------------------------------------------------

        if ((pusch_pdu->pdu_bit_map & PUSCH_PDU_BITMAP_PUSCH_PTRS) && (SNR == snr0) && (trial == 0) && (round == 0)) {
1448 1449
          printf("[ULSIM][PTRS] Available bits are: %5u, removed PTRS bits are: %5d \n",
                 available_bits, (ptrsSymbPerSlot * ptrsRePerSymb * mod_order * precod_nbr_layers));
1450
        }
1451

1452
        for (i = 0; i < available_bits; i++) {
francescomani's avatar
francescomani committed
1453 1454
          if (((UE->ul_harq_processes[harq_pid].f[i] == 0) && (pusch_vars->llr[i] <= 0))
              || ((UE->ul_harq_processes[harq_pid].f[i] == 1) && (pusch_vars->llr[i] >= 0))) {
1455 1456 1457 1458 1459 1460 1461
            /*if(errors_scrambling == 0)
              printf("\x1B[34m" "[frame %d][trial %d]\t1st bit in error in unscrambling = %d\n" "\x1B[0m", frame, trial, i);*/
            errors_scrambling[round]++;
          }
        }
        round++;
      } // round
1462

1463 1464
      if (n_trials == 1 && errors_scrambling[0] > 0) {
        printf("\x1B[31m""[frame %d][trial %d]\tnumber of errors in unscrambling = %u\n" "\x1B[0m", frame, trial, errors_scrambling[0]);
1465
      }
1466

1467
      for (i = 0; i < TBS; i++) {
1468 1469
        uint8_t estimated_output_bit = (ulsch_gNB->harq_process->b[i / 8] & (1 << (i & 7))) >> (i & 7);
        uint8_t test_input_bit = (UE->ul_harq_processes[harq_pid].b[i / 8] & (1 << (i & 7))) >> (i & 7);
1470
      
1471
        if (estimated_output_bit != test_input_bit) {
1472 1473 1474 1475
          /*if(errors_decoding == 0)
              printf("\x1B[34m""[frame %d][trial %d]\t1st bit in error in decoding     = %d\n" "\x1B[0m", frame, trial, i);*/
          errors_decoding++;
        }
1476
      }
1477
      if (n_trials == 1) {
1478 1479
        for (int r = 0; r < UE->ul_harq_processes[harq_pid].C; r++)
          for (int i = 0; i < UE->ul_harq_processes[harq_pid].K >> 3; i++) {
1480
            if ((UE->ul_harq_processes[harq_pid].c[r][i] ^ ulsch_gNB->harq_process->c[r][i]) != 0)
1481 1482
              printf("************");
            /*printf("r %d: in[%d] %x, out[%d] %x (%x)\n",r,
1483
              i,UE->ul_harq_processes[harq_pid].c[r][i],
1484 1485
              i,ulsch_gNB->harq_process->c[r][i],
              UE->ul_harq_processes[harq_pid].c[r][i]^ulsch_gNB->harq_process->c[r][i]);*/
1486 1487 1488 1489 1490 1491 1492 1493 1494 1495
          }
      }
      if (errors_decoding > 0 && error_flag == 0) {
        n_false_positive++;
        if (n_trials==1)
	  printf("\x1B[31m""[frame %d][trial %d]\tnumber of errors in decoding     = %u\n" "\x1B[0m", frame, trial, errors_decoding);
      } 
      roundStats += ((float)round);
      if (!crc_status)
        effRate += ((double)TBS) / (double)round;
1496

1497 1498 1499
      sum_pusch_delay += ulsch_gNB->delay.est_delay;
      min_pusch_delay = min(ulsch_gNB->delay.est_delay, min_pusch_delay);
      max_pusch_delay = max(ulsch_gNB->delay.est_delay, max_pusch_delay);
1500 1501
      delay_pusch_est_count++;

1502
    } // trial loop
1503 1504 1505

    roundStats/=((float)n_trials);
    effRate /= (double)n_trials;
1506
    
1507 1508 1509 1510

    // -------csv file-------

    // adding values into file
1511
    printf("*****************************************\n");
1512
    printf("SNR %f: n_errors (%d/%d", SNR, n_errors[0], round_trials[0]);
1513
    for (int r = 1; r < max_rounds; r++)
1514
      printf(",%d/%d", n_errors[r], round_trials[r]);
1515
    printf(") (negative CRC), false_positive %d/%d, errors_scrambling (%u/%u",
1516
           n_false_positive, n_trials, errors_scrambling[0], available_bits * round_trials[0]);
1517
    for (int r = 1; r < max_rounds; r++)
1518
      printf(",%u/%u", errors_scrambling[r], available_bits * round_trials[r]);
1519
    printf(")\n");
1520
    printf("\n");
1521

1522

1523
    for (int r = 0; r < max_rounds; r++) {
1524 1525
      blerStats[r] = (double)n_errors[r] / round_trials[r];
      berStats[r] = (double)errors_scrambling[r] / available_bits/round_trials[r];
1526
    }
1527 1528
    effTP = effRate/(double)TBS * (double)100;
    printf("SNR %f: Channel BLER (%e", SNR, blerStats[0]);
1529
    for (int r = 1; r < max_rounds; r++)
1530 1531
      printf(",%e", blerStats[r]);
    printf(" Channel BER (%e", berStats[0]);
1532
    for (int r = 1; r < max_rounds; r++)
1533
      printf(",%e", berStats[r]);
1534

1535
    printf(") Avg round %.2f, Eff Rate %.4f bits/slot, Eff Throughput %.2f, TBS %u bits/slot\n", roundStats,effRate,effTP,TBS);
Raymond Knopp's avatar
Raymond Knopp committed
1536

1537 1538 1539 1540 1541
    printf("DMRS-PUSCH delay estimation: min %i, max %i, average %f\n",
           min_pusch_delay >> 1, max_pusch_delay >> 1, (double)sum_pusch_delay / (2 * delay_pusch_est_count));

    printf("*****************************************\n");
    printf("\n");
1542 1543 1544 1545 1546 1547 1548
    // writing to csv file
    if (filename_csv) { // means we are asked to print stats to CSV
      fprintf(csv_file,"%f,%d/%d,",SNR,n_false_positive,n_trials);
      for (int r = 0; r < max_rounds; r++)
        fprintf(csv_file,"%d/%d,%u/%u,%f,%e,",n_errors[r], round_trials[r], errors_scrambling[r], available_bits * round_trials[r],blerStats[r],berStats[r]);
      fprintf(csv_file,"%.2f,%.4f,%.2f,%u,(%i,%i,%f)\n", roundStats, effRate, effTP, TBS,min_pusch_delay >> 1, max_pusch_delay >> 1, (double)sum_pusch_delay / (2 * delay_pusch_est_count));
    }
rmagueta's avatar
rmagueta committed
1549
    FILE *fd=fopen("nr_ulsim.log","w");
1550 1551 1552 1553
    if (fd == NULL) {
      printf("Problem with filename %s\n", "nr_ulsim.log");
      exit(-1);
    }
rmagueta's avatar
rmagueta committed
1554
    dump_pusch_stats(fd,gNB);
1555
    fclose(fd);
Raymond Knopp's avatar
Raymond Knopp committed
1556

1557 1558 1559
    if (print_perf==1) 
    {
      printf("gNB RX\n");
1560 1561 1562 1563 1564
      printDistribution(&gNB->phy_proc_rx,table_rx, "Total PHY proc rx");
      printStatIndent(&gNB->rx_pusch_stats, "RX PUSCH time");
      printStatIndent2(&gNB->ulsch_channel_estimation_stats, "ULSCH channel estimation time");
      printStatIndent2(&gNB->rx_pusch_init_stats, "RX PUSCH Initialization time");
      printStatIndent2(&gNB->rx_pusch_symbol_processing_stats, "RX PUSCH Symbol Processing time");
1565
      printStatIndent(&gNB->ulsch_decoding_stats,"ULSCH total decoding time");
1566

1567
      printf("\nUE TX\n");
1568 1569 1570 1571 1572
      printStatIndent(&UE->ulsch_encoding_stats,"ULSCH total encoding time");
      printStatIndent2(&UE->ulsch_segmentation_stats,"ULSCH segmentation time");
      printStatIndent2(&UE->ulsch_ldpc_encoding_stats,"ULSCH LDPC encoder time");
      printStatIndent2(&UE->ulsch_rate_matching_stats,"ULSCH rate-matching time");
      printStatIndent2(&UE->ulsch_interleaving_stats,"ULSCH interleaving time");
1573 1574 1575 1576 1577 1578 1579 1580
      printStatIndent(&gNB->rx_srs_stats,"RX SRS time");
      printStatIndent2(&gNB->generate_srs_stats,"Generate SRS sequence time");
      printStatIndent2(&gNB->get_srs_signal_stats,"Get SRS signal time");
      printStatIndent2(&gNB->srs_channel_estimation_stats,"SRS channel estimation time");
      printStatIndent2(&gNB->srs_timing_advance_stats,"SRS timing advance estimation time");
      printStatIndent2(&gNB->srs_report_tlv_stats,"SRS report TLV build time");
      printStatIndent3(&gNB->srs_beam_report_stats,"SRS beam report build time");
      printStatIndent3(&gNB->srs_iq_matrix_stats,"SRS IQ matrix build time");
1581
      printf("\n");
1582
    }
1583

1584 1585
    if(n_trials==1)
      break;
1586

1587
    if ((float)effTP >= eff_tp_check) {
1588 1589 1590
      printf("*************\n");
      printf("PUSCH test OK\n");
      printf("*************\n");
1591
      ret = 0;
1592 1593
      break;
    }
1594
  } // SNR loop
1595
  printf("\n");
1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611
  printf( "Num RB:\t%d\n"
          "Num symbols:\t%d\n"
          "MCS:\t%d\n"
          "DMRS config type:\t%d\n"
          "DMRS add pos:\t%d\n"
          "PUSCH mapping type:\t%d\n"
          "DMRS length:\t%d\n"
          "DMRS CDM gr w/o data:\t%d\n",
          nb_rb,
          nb_symb_sch,
          Imcs,
          dmrs_config_type,
          add_pos,
          mapping_type,
          length_dmrs,
          num_dmrs_cdm_grps_no_data);
Robert Schmidt's avatar
Robert Schmidt committed
1612 1613

  free_MIB_NR(mib);
1614 1615
  if (gNB->ldpc_offload_flag)
    free_LDPClib(&ldpc_interface_offload);
Ahmed Hussein's avatar
Ahmed Hussein committed
1616

1617 1618 1619 1620 1621 1622
  if (output_fd)
    fclose(output_fd);

  if (input_fd)
    fclose(input_fd);

1623 1624 1625
  if (scg_fd)
    fclose(scg_fd);

1626 1627 1628 1629 1630 1631
  // closing csv file
  if (filename_csv != NULL) { // means we are asked to print stats to CSV
    fclose(csv_file);
    free(filename_csv);
  }

1632
  return ret;
1633
}