PentHertz
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srsLTE
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Minor fixes and improvements

This commit is contained in:
ismagom 2016-04-18 01:14:46 +02:00
parent c137091dc3
commit cc4a4b0536
5 changed files with 12 additions and 13 deletions
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2
srslte/include/srslte/common/phy_common.h
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@ -128,7 +128,7 @@ typedef enum {SRSLTE_CP_NORM, SRSLTE_CP_EXT} srslte_cp_t;
#define SRSLTE_NOF_LTE_BANDS 29
#define SRSLTE_DEFAULT_MAX_FRAMES_PBCH 500
#define SRSLTE_DEFAULT_MAX_FRAMES_PSS 50
#define SRSLTE_DEFAULT_MAX_FRAMES_PSS 10
#define SRSLTE_DEFAULT_NOF_VALID_PSS_FRAMES 10

10
srslte/lib/ch_estimation/src/chest_dl.c
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@ -125,14 +125,8 @@ int srslte_chest_dl_init(srslte_chest_dl_t *q, srslte_cell_t cell)
goto clean_exit;
}
q->smooth_filter_len = 0;
#ifdef DEFAULT_FILTER_LEN
set_default_filter(q, DEFAULT_FILTER_LEN);
#else
float fil[3] = {0.1, 0.8, 0.1};
srslte_chest_dl_set_smooth_filter(q, fil, 3);
#endif
q->smooth_filter_len = 3;
srslte_chest_dl_set_smooth_filter3_coeff(q, 0.1);
q->cell = cell;
}

2
srslte/lib/sync/src/sync.c
View File

@ -471,7 +471,7 @@ srslte_sync_find_ret_t srslte_sync_find(srslte_sync_t *q, cf_t *input, uint32_t
ret = SRSLTE_SYNC_NOFOUND;
}
INFO("SYNC ret=%d N_id_2=%d find_offset=%d frame_len=%d, pos=%d peak=%.2f threshold=%.2f sf_idx=%d, CFO=%.3f KHz\n",
DEBUG("SYNC ret=%d N_id_2=%d find_offset=%d frame_len=%d, pos=%d peak=%.2f threshold=%.2f sf_idx=%d, CFO=%.3f KHz\n",
ret, q->N_id_2, find_offset, q->frame_size, peak_pos, q->peak_value,
q->threshold, q->sf_idx, 15*(q->cfo_i+q->mean_cfo));

6
srslte/lib/ue/src/ue_dl.c
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@ -102,7 +102,7 @@ int srslte_ue_dl_init(srslte_ue_dl_t *q,
fprintf(stderr, "Error initiating SFO correct\n");
goto clean_exit;
}
srslte_cfo_set_tol(&q->sfo_correct, 0);
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) {
@ -194,12 +194,16 @@ int srslte_ue_dl_decode_fft_estimate(srslte_ue_dl_t *q, cf_t *input, uint32_t sf
/* Correct SFO multiplying by complex exponential in the time domain */
if (q->sample_offset) {
struct timeval t[3];
gettimeofday(&t[1], NULL);
for (int i=0;i<2*SRSLTE_CP_NSYMB(q->cell.cp);i++) {
srslte_cfo_correct(&q->sfo_correct,
&q->sf_symbols[i*q->cell.nof_prb*SRSLTE_NRE],
&q->sf_symbols[i*q->cell.nof_prb*SRSLTE_NRE],
q->sample_offset / q->fft.symbol_sz);
}
gettimeofday(&t[2], NULL);
get_time_interval(t);
}
return srslte_ue_dl_decode_estimate(q, sf_idx, cfi);

5
srslte/lib/ue/src/ue_sync.c
View File

@ -361,7 +361,7 @@ static int track_peak_ok(srslte_ue_sync_t *q, uint32_t track_idx) {
q->sf_idx = srslte_sync_get_sf_idx(&q->strack);
q->frame_no_cnt++;
if (q->frame_no_cnt >= TRACK_MAX_LOST) {
printf("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
INFO("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
q->state = SF_FIND;
}
} else {
@ -426,7 +426,7 @@ static int track_peak_no(srslte_ue_sync_t *q) {
/* if we missed too many PSS go back to FIND and consider this frame unsynchronized */
q->frame_no_cnt++;
if (q->frame_no_cnt >= TRACK_MAX_LOST) {
printf("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
INFO("\n%d frames lost. Going back to FIND\n", (int) q->frame_no_cnt);
q->state = SF_FIND;
return 0;
} else {
@ -622,6 +622,7 @@ int srslte_ue_sync_zerocopy(srslte_ue_sync_t *q, cf_t *input_buffer) {
void srslte_ue_sync_reset(srslte_ue_sync_t *q) {
if (!q->file_mode) {
srslte_sync_reset(&q->sfind);
srslte_sync_reset(&q->strack);
} else {
q->sf_idx = 9;