mirror of https://github.com/PentHertz/srsLTE.git
small update to decimation logic
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ae94416395
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@ -417,8 +417,17 @@ int main(int argc, char **argv) {
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} else {
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#ifndef DISABLE_RF
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if(!prog_args.decimate)
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if(prog_args.decimate)
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{
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if(prog_args.decimate > 4 || prog_args.decimate < 0)
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{
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printf("Invalid decimation factor, setting to 1 \n");
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}
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else
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{
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ue_sync.decimate = prog_args.decimate;
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}
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}
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if (srslte_ue_sync_init_multi(&ue_sync, cell, srslte_rf_recv_wrapper, prog_args.rf_nof_rx_ant, (void*) &rf)) {
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fprintf(stderr, "Error initiating ue_sync\n");
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exit(-1);
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@ -119,10 +119,11 @@ int srslte_pss_synch_init_fft_offset(srslte_pss_synch_t *q, uint32_t frame_size,
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srslte_filt_decim_cc_init(&q->filter,q->decimate,filter_order);
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q->filter.filter_output = srslte_vec_malloc((buffer_size) * sizeof(cf_t));
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q->filter.downsampled_input = srslte_vec_malloc((buffer_size + filter_order) * sizeof(cf_t));
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printf("decimation for the PSS search is %d \n",q->decimate);
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}
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printf("decimation in the PSS is %d \n",q->decimate);
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if (srslte_dft_plan(&q->dftp_input, fft_size, SRSLTE_DFT_FORWARD, SRSLTE_DFT_COMPLEX)) {
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@ -106,7 +106,6 @@ int srslte_sync_init(srslte_sync_t *q, uint32_t frame_size, uint32_t max_offset,
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}
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srslte_sync_set_cp(q, SRSLTE_CP_NORM);
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if(!decimate)
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decimate = 1;
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@ -170,7 +170,7 @@ int srslte_ue_sync_init_multi(srslte_ue_sync_t *q,
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q->frame_len = q->nof_recv_sf*q->sf_len;
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if(q->fft_size > 1000 && q->decimate)
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if(q->fft_size > 700 && q->decimate)
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{
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q->sfind.decimate = q->decimate;
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}
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