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srsLTE
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Do not change master clock rate if not necessary. Hint in ue/enb configs for low BW cells

This commit is contained in:
Ismael Gomez 2019-09-27 18:59:55 +02:00
parent 5689d6513d
commit 9325aaddf2
3 changed files with 10 additions and 8 deletions
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8
lib/src/phy/rf/rf_uhd_imp.c
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@ -681,10 +681,8 @@ double rf_uhd_set_rx_srate(void* h, double freq)
rf_uhd_handler_t* handler = (rf_uhd_handler_t*)h;
// Set master clock rate
if (freq < 10e6) {
if (fmod(handler->current_master_clock, freq)) {
rf_uhd_set_master_clock_rate(handler, 4 * freq);
} else {
rf_uhd_set_master_clock_rate(handler, freq);
}
if (handler->nof_rx_channels > 1) {
@ -716,10 +714,8 @@ double rf_uhd_set_tx_srate(void* h, double freq)
rf_uhd_handler_t* handler = (rf_uhd_handler_t*)h;
// Set master clock rate
if (freq < 10e6) {
if (fmod(handler->current_master_clock, freq)) {
rf_uhd_set_master_clock_rate(handler, 4 * freq);
} else {
rf_uhd_set_master_clock_rate(handler, freq);
}
if (handler->nof_tx_channels > 1) {

5
srsenb/enb.conf.example
View File

@ -73,7 +73,10 @@ rx_gain = 40
#device_name = auto
# For best performance in 2x2 MIMO and >= 15 MHz use the following device_args settings:
# USRP B210: pass num_recv_frames=64,num_send_frames=64
# USRP B210: num_recv_frames=64,num_send_frames=64
# For best performance when BW<5 MHz (25 PRB), use the following device_args settings:
# USRP B210: send_frame_size=512,recv_frame_size=512
#device_args = auto
#time_adv_nsamples = auto

5
srsue/ue.conf.example
View File

@ -40,7 +40,10 @@ tx_gain = 80
#nof_rx_ant = 1
# For best performance in 2x2 MIMO and >= 15 MHz use the following device_args settings:
# USRP B210: pass num_recv_frames=64,num_send_frames=64
# USRP B210: num_recv_frames=64,num_send_frames=64
# For best performance when BW<5 MHz (25 PRB), use the following device_args settings:
# USRP B210: send_frame_size=512,recv_frame_size=512
#device_args = auto
#time_adv_nsamples = auto