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srsLTE
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Restored RSRP calculation changed in commit 3f002aca85

This commit is contained in:
Ismael Gomez 2018-02-25 20:51:16 +01:00
parent cfaa5e9b28
commit 65aa5abb30
1 changed files with 7 additions and 6 deletions
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13
lib/src/phy/ch_estimation/chest_dl.c
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@ -540,22 +540,23 @@ void chest_interpolate_noise_est(srslte_chest_dl_t *q, cf_t *input, cf_t *ce, ui
}
}
}
/* Compute RSRP for the channel estimates in this port */
uint32_t npilots = SRSLTE_REFSIGNAL_NUM_SF(q->cell.nof_prb, port_id);
q->rsrp[rxant_id][port_id] = srslte_vec_avg_power_cf(q->pilot_estimates, npilots);
q->rssi[rxant_id][port_id] = srslte_chest_dl_rssi(q, input, port_id);
}
int srslte_chest_dl_estimate_port(srslte_chest_dl_t *q, cf_t *input, cf_t *ce, uint32_t sf_idx, uint32_t port_id, uint32_t rxant_id)
{
uint32_t npilots = SRSLTE_REFSIGNAL_NUM_SF(q->cell.nof_prb, port_id);
/* Get references from the input signal */
srslte_refsignal_cs_get_sf(q->cell, port_id, input, q->pilot_recv_signal);
/* Use the known CSR signal to compute Least-squares estimates */
srslte_vec_prod_conj_ccc(q->pilot_recv_signal, q->csr_refs.pilots[port_id/2][sf_idx],
q->pilot_estimates, SRSLTE_REFSIGNAL_NUM_SF(q->cell.nof_prb, port_id));
q->pilot_estimates, npilots);
/* Compute RSRP for the channel estimates in this port */
double energy = cabs(srslte_vec_acc_cc(q->pilot_estimates, npilots)/npilots);
q->rsrp[rxant_id][port_id] = energy*energy;
q->rssi[rxant_id][port_id] = srslte_chest_dl_rssi(q, input, port_id);
chest_interpolate_noise_est(q, input, ce, sf_idx, port_id, rxant_id, SRSLTE_SF_NORM);