Commit 4254d59a authored by rmagueta's avatar rmagueta

Create nr_csi_rs_pmi_estimation function for PMI computation (still almost empty)

parent f12c6ea6
......@@ -347,6 +347,7 @@ int init_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_gNB)
}
ue->nr_csi_rs_info->noise_power = (uint32_t*)malloc16_clear(sizeof(uint32_t));
ue->nr_csi_rs_info->rank_indicator = (uint8_t*)malloc16_clear(sizeof(uint8_t));
ue->nr_csi_rs_info->pmi = (uint8_t*)malloc16_clear(sizeof(uint8_t));
ue->nr_csi_rs_info->csi_rs_generated_signal = (int32_t **)malloc16(NR_MAX_NB_PORTS * sizeof(int32_t *) );
for (i=0; i<NR_MAX_NB_PORTS; i++) {
ue->nr_csi_rs_info->csi_rs_generated_signal[i] = (int32_t *) malloc16_clear(fp->samples_per_frame_wCP * sizeof(int32_t));
......
......@@ -462,6 +462,35 @@ int nr_csi_rs_ri_estimation(PHY_VARS_NR_UE *ue,
return 0;
}
int nr_csi_rs_pmi_estimation(PHY_VARS_NR_UE *ue,
fapi_nr_dl_config_csirs_pdu_rel15_t *csirs_config_pdu,
nr_csi_rs_info_t *nr_csi_rs_info,
int32_t ***csi_rs_estimated_channel_freq,
uint8_t rank_indicator,
uint8_t *pmi) {
// TS 38.214: For 2 antenna ports {3000, 3001} and the UE configured with higher layer parameter codebookType set to
// 'typeISinglePanel' each PMI value corresponds to a codebook index given in Table 5.2.2.2.1-1.
// The first column is applicable if the UE is reporting a Rank = 1, whereas the second column is applicable if the
// UE is reporting a Rank = 2.
*pmi = 0;
if(ue->nr_csi_rs_info->N_ports == 1) {
return 0;
}
if(rank_indicator == 0) {
} else if(rank_indicator == 1) {
} else {
LOG_W(NR_PHY, "PMI computation is not implemented for rank indicator %i\n", rank_indicator);
}
return 0;
}
int nr_ue_csi_im_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t gNB_id) {
return 0;
}
......@@ -520,5 +549,12 @@ int nr_ue_csi_rs_procedures(PHY_VARS_NR_UE *ue, UE_nr_rxtx_proc_t *proc, uint8_t
ue->nr_csi_rs_info->csi_rs_estimated_channel_freq,
ue->nr_csi_rs_info->rank_indicator);
nr_csi_rs_pmi_estimation(ue,
csirs_config_pdu,
ue->nr_csi_rs_info,
ue->nr_csi_rs_info->csi_rs_estimated_channel_freq,
*ue->nr_csi_rs_info->rank_indicator,
ue->nr_csi_rs_info->pmi);
return 0;
}
......@@ -269,6 +269,7 @@ typedef struct {
int32_t csi_rs_estimated_numer_fin[NR_MAX_OFDM_SYMBOL_SIZE] __attribute__((aligned(32)));
uint32_t *noise_power;
uint8_t *rank_indicator;
uint8_t *pmi;
} nr_csi_rs_info_t;
typedef struct NR_DL_FRAME_PARMS NR_DL_FRAME_PARMS;
......
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