C++ (Cpp) srslte_pdcch_init Beispiele

Beispiel #1

Datei: pdcch_file_test.c Projekt: CodaCarlson/srsLTE

int base_init() {
  int i;

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

  flen = 2 * (SRSLTE_SLOT_LEN(srslte_symbol_sz(cell.nof_prb)));

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

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

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

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

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

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

  if (srslte_regs_set_cfi(&regs, cfi)) {
    fprintf(stderr, "Error setting CFI %d\n", cfi);
    return -1;
  }
  if (srslte_pdcch_init(&pdcch, &regs, cell)) {
    fprintf(stderr, "Error creating PDCCH object\n");
    exit(-1);
  }
  
  DEBUG("Memory init OK\n",0);
  return 0;
}

Beispiel #2

Datei: ue_dl.c Projekt: guyt101z/srsLTE

int srslte_ue_dl_init(srslte_ue_dl_t *q, 
               srslte_cell_t cell) 
{
  int ret = SRSLTE_ERROR_INVALID_INPUTS; 
  
  if (q                 != NULL &&
      srslte_cell_isvalid(&cell))   
  {
    ret = SRSLTE_ERROR;
    
    bzero(q, sizeof(srslte_ue_dl_t));
    
    q->cell = cell; 
    q->pkt_errors = 0;
    q->pkts_total = 0;
    q->pending_ul_dci_rnti = 0; 
    q->sample_offset = 0; 
    
    if (srslte_ofdm_rx_init(&q->fft, q->cell.cp, q->cell.nof_prb)) {
      fprintf(stderr, "Error initiating FFT\n");
      goto clean_exit;
    }
    if (srslte_chest_dl_init(&q->chest, cell)) {
      fprintf(stderr, "Error initiating channel estimator\n");
      goto clean_exit;
    }
    if (srslte_regs_init(&q->regs, q->cell)) {
      fprintf(stderr, "Error initiating REGs\n");
      goto clean_exit;
    }
    if (srslte_pcfich_init(&q->pcfich, &q->regs, q->cell)) {
      fprintf(stderr, "Error creating PCFICH object\n");
      goto clean_exit;
    }
    if (srslte_phich_init(&q->phich, &q->regs, q->cell)) {
      fprintf(stderr, "Error creating PHICH object\n");
      goto clean_exit;
    }

    if (srslte_pdcch_init(&q->pdcch, &q->regs, q->cell)) {
      fprintf(stderr, "Error creating PDCCH object\n");
      goto clean_exit;
    }

    if (srslte_pdsch_init(&q->pdsch, q->cell)) {
      fprintf(stderr, "Error creating PDSCH object\n");
      goto clean_exit;
    }
    if (srslte_softbuffer_rx_init(&q->softbuffer, q->cell.nof_prb)) {
      fprintf(stderr, "Error initiating soft buffer\n");
      goto clean_exit;
    }
    if (srslte_cfo_init(&q->sfo_correct, q->cell.nof_prb*SRSLTE_NRE)) {
      fprintf(stderr, "Error initiating SFO correct\n");
      goto clean_exit;
    }
    srslte_cfo_set_tol(&q->sfo_correct, 1e-5/q->fft.symbol_sz);
    
    q->sf_symbols = srslte_vec_malloc(CURRENT_SFLEN_RE * sizeof(cf_t));
    if (!q->sf_symbols) {
      perror("malloc");
      goto clean_exit; 
    }
    for (uint32_t i=0;i<q->cell.nof_ports;i++) {
      q->ce[i] = srslte_vec_malloc(CURRENT_SFLEN_RE * sizeof(cf_t));
      if (!q->ce[i]) {
        perror("malloc");
        goto clean_exit; 
      }
    }
    
    ret = SRSLTE_SUCCESS;
  } else {
    fprintf(stderr, "Invalid cell properties: Id=%d, Ports=%d, PRBs=%d\n",
            cell.id, cell.nof_ports, cell.nof_prb);      
  }

clean_exit: 
  if (ret == SRSLTE_ERROR) {
    srslte_ue_dl_free(q);
  }
  return ret;
}