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Fix for scan carrier to make it compatible with custom DL/UL IF implementation

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This commit is contained in:
cig
2020-10-27 10:41:59 +01:00
parent fa07a48456
commit 7e45f8be7a
1 changed files with 21 additions and 7 deletions
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executables/nr-ue.c
+21 -7
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@@ -343,21 +343,35 @@ static void UE_synch(void *arg) {
// initial sync failed
// calculate new offset and try again
if (UE->UE_scan_carrier == 1) {
uint64_t dl_carrier, ul_carrier;
if (freq_offset >= 0)
freq_offset += 100;
freq_offset *= -1;
LOG_I(PHY, "[initial_sync] trying carrier off %d Hz, rxgain %d (DL %lu, UL %lu)\n",
freq_offset,
UE->rx_total_gain_dB,
UE->frame_parms.dl_CarrierFreq+freq_offset,
UE->frame_parms.ul_CarrierFreq+freq_offset );
if (downlink_frequency[0][0])
dl_carrier = downlink_frequency[0][0];
else
dl_carrier = UE->frame_parms.dl_CarrierFreq;
if (uplink_frequency_offset[0][0])
ul_carrier = dl_carrier + uplink_frequency_offset[0][0];
else
ul_carrier = dl_carrier + UE->frame_parms.ul_CarrierFreq - UE->frame_parms.dl_CarrierFreq;
for (i=0; i<openair0_cfg[UE->rf_map.card].rx_num_channels; i++) {
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] = UE->frame_parms.dl_CarrierFreq+freq_offset;
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] = UE->frame_parms.ul_CarrierFreq+freq_offset;
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i] = dl_carrier + freq_offset;
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i] = ul_carrier + freq_offset;
openair0_cfg[UE->rf_map.card].rx_gain[UE->rf_map.chain+i] = UE->rx_total_gain_dB;//-USRP_GAIN_OFFSET;
LOG_I(PHY, "[initial_sync] trying carrier off %d Hz, rxgain %d (DL %f, UL %f)\n",
freq_offset,
UE->rx_total_gain_dB,
openair0_cfg[UE->rf_map.card].rx_freq[UE->rf_map.chain+i],
openair0_cfg[UE->rf_map.card].tx_freq[UE->rf_map.chain+i]);
if (UE->UE_scan_carrier==1)
openair0_cfg[UE->rf_map.card].autocal[UE->rf_map.chain+i] = 1;
}