[srslte-users] srsUE says `[PHY0] [W] [00000] SYNC: Found PSS but could not decode PBCH'

[tian]

Hi all,

I'm having problems to connect the srsUE to the commercial network on B210.
Basically. it keeps saying
'[PHY0] [W] [00000] SYNC:  Found PSS but could not decode PBCH'.

Thus I log the debug messages and it seems that srsue `Found PSS but could
not decode MIB':

20:19:00.983723 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:00.983782 [PHY0] [D] [00000] SYNC:  state=SYNC, tti=232
20:19:00.983794 [MAC ] [D] [00232] Running MAC tti=232
20:19:00.983812 [MAC ] [D] [00232] Update Bj: lcid=0, Bj=0
20:19:00.983820 [MAC ] [D] [00232] Update Bj: lcid=1, Bj=0
20:19:00.986512 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:00.986559 [PHY0] [D] [00000] SYNC:  state=SYNC, tti=233
20:19:00.986567 [MAC ] [D] [00233] Running MAC tti=233
20:19:00.986580 [MAC ] [D] [00233] Update Bj: lcid=0, Bj=0
20:19:00.986589 [MAC ] [D] [00233] Update Bj: lcid=1, Bj=0
20:19:00.990407 [RF  ] [I] Overflow
20:19:01.001225 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:01.001313 [PHY0] [D] [00000] SYNC:  state=SYNC, tti=234
20:19:01.001320 [MAC ] [D] [00234] Running MAC tti=234
20:19:01.001334 [MAC ] [D] [00234] Update Bj: lcid=0, Bj=0
20:19:01.001338 [MAC ] [D] [00234] Update Bj: lcid=1, Bj=0
20:19:01.004022 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:01.004073 [PHY0] [D] [00000] SYNC:  state=SYNC, tti=235
20:19:01.004076 [MAC ] [D] [00235] Running MAC tti=235
20:19:01.004082 [MAC ] [D] [00235] Update Bj: lcid=0, Bj=0
20:19:01.004101 [MAC ] [D] [00235] Update Bj: lcid=1, Bj=0
20:19:01.007237 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:01.007278 [PHY0] [D] [00000] SYNC:  state=SYNC, tti=236
20:19:01.007281 [MAC ] [D] [00236] Running MAC tti=236
20:19:01.007286 [MAC ] [D] [00236] Update Bj: lcid=0, Bj=0
20:19:01.007304 [MAC ] [D] [00236] Update Bj: lcid=1, Bj=0
20:19:01.009126 [RF  ] [I] Overflow
20:19:01.021543 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:01.021594 [PHY0] [D] [00000] SYNC:  state=SYNC, tti=237
20:19:01.021598 [MAC ] [D] [00237] Running MAC tti=237
20:19:01.021607 [MAC ] [D] [00237] Update Bj: lcid=0, Bj=0
20:19:01.021610 [MAC ] [D] [00237] Update Bj: lcid=1, Bj=0
20:19:01.024772 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:01.024868 [PHY0] [D] [00000] SYNC:  state=SYNC, tti=238
20:19:01.024875 [MAC ] [D] [00238] Running MAC tti=238
20:19:01.024906 [MAC ] [D] [00238] Update Bj: lcid=0, Bj=0
20:19:01.024914 [MAC ] [D] [00238] Update Bj: lcid=1, Bj=0
20:19:01.027932 [RF  ] [I] Overflow
20:19:01.039188 [PHY0] [D] [00000] SYNC:  received 15360 samples from radio
20:19:01.039632 [PHY0] [I] [00000] SYNC:  Found PSS but could not decode
MIB. SNR=0.8 dB (2/100)


The following is my srsUE conf that is different from the default setting:
With the help of an application on Android, I set:

dl_earfcn = 675
device_name = UHD
device_args = pass num_recv_frames=64,num_send_frames=64
#time_adv_nsamples = 100
burst_preamble_us = 400

[usim]
mode = pcsc
imei = 352530082688862 #this is the imei of the pixel
reader =
#pin  = 1234


I have attached my log info and conf file for anyone who is interested.
Thank you!

Sincerely,
Tian
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