int main(int argc, char **argv) { parse_args(argc, argv); srslte_prach_t *p = (srslte_prach_t*)malloc(sizeof(srslte_prach_t)); bool high_speed_flag = false; cf_t preamble[MAX_LEN]; memset(preamble, 0, sizeof(cf_t)*MAX_LEN); cf_t preamble_sum[MAX_LEN]; memset(preamble_sum, 0, sizeof(cf_t)*MAX_LEN); srslte_prach_init(p, N_ifft_ul, preamble_format, root_seq_idx, high_speed_flag, zero_corr_zone); uint32_t seq_index = 0; uint32_t frequency_offset = 0; uint32_t indices[64]; uint32_t n_indices = 0; for(int i=0;i<64;i++) indices[i] = 0; for(seq_index=0;seq_index<n_seqs;seq_index++) { srslte_prach_gen(p, seq_index, frequency_offset, preamble); for(int i=0;i<p->N_cp+p->N_seq;i++) { preamble_sum[i] += preamble[i]; } } uint32_t prach_len = p->N_seq; if(preamble_format == 2 || preamble_format == 3) prach_len /= 2; srslte_prach_detect(p, 0, &preamble_sum[p->N_cp], prach_len, indices, &n_indices); if(n_indices != n_seqs) return -1; for(int i=0;i<n_seqs;i++) { if(indices[i] != i) return -1; } srslte_prach_free(p); free(p); printf("Done\n"); exit(0); }
int main(int argc, char** argv) { parse_args(argc, argv); srslte_prach_t prach; bool high_speed_flag = false; cf_t preamble[MAX_LEN]; memset(preamble, 0, sizeof(cf_t)*MAX_LEN); srslte_prach_cfg_t prach_cfg; ZERO_OBJECT(prach_cfg); prach_cfg.config_idx = config_idx; prach_cfg.hs_flag = high_speed_flag; prach_cfg.freq_offset = 0; prach_cfg.root_seq_idx = root_seq_idx; prach_cfg.zero_corr_zone = zero_corr_zone; if (srslte_prach_init(&prach, srslte_symbol_sz(nof_prb))) { return -1; } if (srslte_prach_set_cfg(&prach, &prach_cfg, nof_prb)) { ERROR("Error initiating PRACH object\n"); return -1; } uint32_t seq_index = 0; uint32_t indices[64]; uint32_t n_indices = 0; for(int i=0;i<64;i++) indices[i] = 0; for(seq_index=0;seq_index<64;seq_index++) { srslte_prach_gen(&prach, seq_index, 0, preamble); uint32_t prach_len = prach.N_seq; struct timeval t[3]; gettimeofday(&t[1], NULL); srslte_prach_detect(&prach, 0, &preamble[prach.N_cp], prach_len, indices, &n_indices); gettimeofday(&t[2], NULL); get_time_interval(t); printf("texec=%ld us\n", t[0].tv_usec); if(n_indices != 1 || indices[0] != seq_index) return -1; } srslte_prach_free(&prach); srslte_dft_exit(); printf("Done\n"); exit(0); }
int main(int argc, char** argv) { parse_args(argc, argv); srslte_prach_t prach; bool high_speed_flag = false; cf_t preamble[MAX_LEN]; memset(preamble, 0, sizeof(cf_t)*MAX_LEN); cf_t preamble_sum[MAX_LEN]; memset(preamble_sum, 0, sizeof(cf_t)*MAX_LEN); srslte_prach_cfg_t prach_cfg; ZERO_OBJECT(prach_cfg); prach_cfg.config_idx = preamble_format; prach_cfg.hs_flag = high_speed_flag; prach_cfg.freq_offset = 0; prach_cfg.root_seq_idx = root_seq_idx; prach_cfg.zero_corr_zone = zero_corr_zone; if (srslte_prach_init(&prach, srslte_symbol_sz(nof_prb))) { return -1; } if (srslte_prach_set_cfg(&prach, &prach_cfg, nof_prb)) { ERROR("Error initiating PRACH object\n"); return -1; } uint32_t seq_index = 0; uint32_t frequency_offset = 0; uint32_t indices[64]; uint32_t n_indices = 0; for(int i=0;i<64;i++) indices[i] = 0; srslte_prach_set_detect_factor(&prach, 10); for(seq_index=0;seq_index<n_seqs;seq_index++) { srslte_prach_gen(&prach, seq_index, frequency_offset, preamble); for (int i = 0; i < prach.N_cp + prach.N_seq; i++) { preamble_sum[i] += preamble[i]; } } uint32_t prach_len = prach.N_seq; if (preamble_format == 2 || preamble_format == 3) { prach_len /= 2; } srslte_prach_detect(&prach, 0, &preamble_sum[prach.N_cp], prach_len, indices, &n_indices); if (n_indices != n_seqs) { return -1; } for (int i = 0; i < n_seqs; i++) { if (indices[i] != i) { return -1; } } srslte_prach_free(&prach); srslte_dft_exit(); printf("Done\n"); exit(0); }