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USRP now takes ffo estimation into account

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This commit is contained in:
Raymond Knopp
2019-01-23 11:40:52 +01:00
parent 35dc0857c4
commit 7405eec0f1
2 changed files with 2 additions and 5 deletions
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openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
+2 -2
View File
@@ -330,13 +330,13 @@ int nr_initial_sync(PHY_VARS_NR_UE *ue, runmode_t mode)
printf("[UE %d] Frame %d Measured Carrier Frequency %.0f Hz (offset %d Hz)\n",
ue->Mod_id,
ue->proc.proc_rxtx[0].frame_rx,
openair0_cfg[0].rx_freq[0]-ue->common_vars.freq_offset,
openair0_cfg[0].rx_freq[0]+ue->common_vars.freq_offset,
ue->common_vars.freq_offset);
# else
LOG_I(PHY, "[UE %d] Frame %d Measured Carrier Frequency %.0f Hz (offset %d Hz)\n",
ue->Mod_id,
ue->proc.proc_rxtx[0].frame_rx,
openair0_cfg[0].rx_freq[0]-ue->common_vars.freq_offset,
openair0_cfg[0].rx_freq[0]+ue->common_vars.freq_offset,
ue->common_vars.freq_offset);
# endif
#endif
targets/RT/USER/nr-ue.c
-3
View File
@@ -458,7 +458,6 @@ static void *UE_thread_synch(void *arg) {
// rerun with new cell parameters and frequency-offset
for (i=0; i<openair0_cfg[UE->rf_map.card].rx_num_channels; i++) {
openair0_cfg[UE->rf_map.card].rx_gain[UE->rf_map.chain+i] = UE->rx_total_gain_dB;//-USRP_GAIN_OFFSET;
if (UE->UE_scan_carrier == 1) {
if (freq_offset >= 0)
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] += abs(freq_offset);
else
@@ -466,8 +465,6 @@ static void *UE_thread_synch(void *arg) {
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] =
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i]+uplink_frequency_offset[CC_id][i];
downlink_frequency[CC_id][i] = openair0_cfg[CC_id].rx_freq[i];
//freq_offset=0;
}
}
// reconfigure for potentially different bandwidth