C++ (Cpp) chest_init_LTEDL Examples

Example #1

File: chest.c Project: SPLURGE831/libLTE

/** High-level API
*/
int chest_initialize(chest_hl* h) {

  lte_cell_t cell;

  if (!h->init.nof_symbols) {
    h->init.nof_symbols = CPNORM_NSYMB; // Normal CP
  }
  if (!h->init.nof_prb) {
    h->init.nof_prb = 6;
  }

  cell.id = h->init.cell_id; 
  cell.nof_ports = h->init.nof_ports;
  cell.nof_prb = h->init.nof_prb;
  cell.cp = h->init.nof_symbols == CPNORM_NSYMB ? CPNORM : CPEXT;
  
  if (chest_init_LTEDL(&h->obj, cell)) {
    fprintf(stderr, "Error initializing equalizer\n");
    return -1;
  }

  return 0;
}

Example #2

File: pbch_file_test.c Project: wujunning2011/libLTE

int base_init() {
  int i;

  if (filesource_init(&fsrc, input_file_name, COMPLEX_FLOAT_BIN)) {
    fprintf(stderr, "Error opening file %s\n", input_file_name);
    exit(-1);
  }

  if (matlab_file_name) {
    fmatlab = fopen(matlab_file_name, "w");
    if (!fmatlab) {
      perror("fopen");
      return -1;
    }
  } else {
    fmatlab = NULL;
  }

  input_buffer = malloc(FLEN * sizeof(cf_t));
  if (!input_buffer) {
    perror("malloc");
    exit(-1);
  }

  fft_buffer = malloc(2 * CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB * sizeof(cf_t));
  if (!fft_buffer) {
    perror("malloc");
    return -1;
  }

  for (i=0;i<cell.nof_ports;i++) {
    ce[i] = malloc(2 * CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB * sizeof(cf_t));
    if (!ce[i]) {
      perror("malloc");
      return -1;
    }
  }
  
  if (!lte_cell_isvalid(&cell)) {
    fprintf(stderr, "Invalid cell properties\n");
    return -1;
  }

  if (chest_init_LTEDL(&chest, cell)) {
    fprintf(stderr, "Error initializing equalizer\n");
    return -1;
  }

  if (lte_fft_init(&fft, cell.cp, cell.nof_prb)) {
    fprintf(stderr, "Error initializing FFT\n");
    return -1;
  }

  if (pbch_init(&pbch, cell)) {
    fprintf(stderr, "Error initiating PBCH\n");
    return -1;
  }

  DEBUG("Memory init OK\n",0);
  return 0;
}

Example #3

File: pdsch_file_test.c Project: SPLURGE831/libLTE

int base_init() {
  int i;

  if (filesource_init(&fsrc, input_file_name, COMPLEX_FLOAT_BIN)) {
    fprintf(stderr, "Error opening file %s\n", input_file_name);
    exit(-1);
  }

  if (matlab_file_name) {
    fmatlab = fopen(matlab_file_name, "w");
    if (!fmatlab) {
      perror("fopen");
      return -1;
    }
  } else {
    fmatlab = NULL;
  }

  flen = 2 * (SLOT_LEN(lte_symbol_sz(cell.nof_prb)));

  input_buffer = malloc(flen * sizeof(cf_t));
  if (!input_buffer) {
    perror("malloc");
    exit(-1);
  }

  fft_buffer = malloc(2 * CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB * sizeof(cf_t));
  if (!fft_buffer) {
    perror("malloc");
    return -1;
  }

  for (i=0;i<MAX_PORTS;i++) {
    ce[i] = malloc(2 * CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB * sizeof(cf_t));
    if (!ce[i]) {
      perror("malloc");
      return -1;
    }
  }

  if (chest_init_LTEDL(&chest, cell)) {
    fprintf(stderr, "Error initializing equalizer\n");
    return -1;
  }

  if (lte_fft_init(&fft, cell.cp, cell.nof_prb)) {
    fprintf(stderr, "Error initializing FFT\n");
    return -1;
  }

  if (regs_init(&regs, R_1, PHICH_NORM, cell)) {
    fprintf(stderr, "Error initiating regs\n");
    return -1;
  }

  if (regs_set_cfi(&regs, cfi)) {
    fprintf(stderr, "Error setting CFI %d\n", cfi);
    return -1;
  }

  if (pdcch_init(&pdcch, &regs, cell)) {
    fprintf(stderr, "Error creating PDCCH object\n");
    exit(-1);
  }

  if (pdsch_init(&pdsch, cell)) {
    fprintf(stderr, "Error creating PDSCH object\n");
    exit(-1);
  }
  pdsch_set_rnti(&pdsch, rnti);
  
  if (pdsch_harq_init(&harq_process, &pdsch)) {
    fprintf(stderr, "Error initiating HARQ process\n");
    exit(-1);
  }

  DEBUG("Memory init OK\n",0);
  return 0;
}