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Add log2_maxh for nr_conjch0_mult_ch1 in nr_csi_rs_ri_estimation

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This commit is contained in:
rmagueta
2022-04-04 15:55:16 +01:00
parent 03f7bd3468
commit f12c6ea65b
2 changed files with 5 additions and 1 deletions
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openair1/PHY/NR_UE_TRANSPORT/csi_rx.c
+4 -1
View File
@@ -205,6 +205,7 @@ int nr_csi_rs_channel_estimation(PHY_VARS_NR_UE *ue,
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
int dataF_offset = proc->nr_slot_rx*ue->frame_parms.samples_per_slot_wCP;
*noise_power = 0;
int maxh = 0;
for (int ant_rx = 0; ant_rx < frame_parms->nb_antennas_rx; ant_rx++) {
@@ -318,6 +319,7 @@ int nr_csi_rs_channel_estimation(PHY_VARS_NR_UE *ue,
int16_t *csi_rs_estimated_channel16 = (int16_t *)&csi_rs_estimated_channel_freq[ant_rx][port_tx][k];
noise_real[ant_rx][port_tx][rb-csirs_config_pdu->start_rb] = abs(csi_rs_ls_estimated_channel[0]-csi_rs_estimated_channel16[0]);
noise_imag[ant_rx][port_tx][rb-csirs_config_pdu->start_rb] = abs(csi_rs_ls_estimated_channel[1]-csi_rs_estimated_channel16[1]);
maxh = cmax3(maxh, abs(csi_rs_estimated_channel16[0]), abs(csi_rs_estimated_channel16[1]));
}
}
for(uint16_t port_tx = 0; port_tx<nr_csi_rs_info->N_ports; port_tx++) {
@@ -347,6 +349,7 @@ int nr_csi_rs_channel_estimation(PHY_VARS_NR_UE *ue,
}
*noise_power /= (frame_parms->nb_antennas_rx*nr_csi_rs_info->N_ports);
nr_csi_rs_info->log2_maxh = log2_approx(maxh-1);
#ifdef NR_CSIRS_DEBUG
LOG_I(NR_PHY, "Noise power estimation based on CSI-RS: %i\n", *noise_power);
@@ -403,7 +406,7 @@ int nr_csi_rs_ri_estimation(PHY_VARS_NR_UE *ue,
&csi_rs_estimated_channel_freq[ant_rx_ch][port_tx_ch][k],
&nr_csi_rs_info->csi_rs_estimated_conjch_ch[ant_rx_conjch][port_tx_conjch][ant_rx_ch][port_tx_ch][k],
1,
0);
nr_csi_rs_info->log2_maxh);
// construct Hh x H elements
if(ant_rx_conjch == ant_rx_ch) {
openair1/PHY/defs_nr_common.h
+1
View File
@@ -261,6 +261,7 @@ typedef struct {
int32_t **csi_rs_received_signal;
int32_t ***csi_rs_ls_estimated_channel;
int32_t ***csi_rs_estimated_channel_freq;
int16_t log2_maxh;
int32_t csi_rs_estimated_conjch_ch[4][4][4][4][NR_MAX_OFDM_SYMBOL_SIZE] __attribute__((aligned(32)));
int32_t csi_rs_estimated_A_MF[2][2][NR_MAX_OFDM_SYMBOL_SIZE] __attribute__((aligned(32)));
int32_t csi_rs_estimated_A_MF_sq[2][2][NR_MAX_OFDM_SYMBOL_SIZE] __attribute__((aligned(32)));