Osmocom Transceiver (was: Osmovom-BB on Raspberry Pi)

Dario Lombardo dario.lombardo.ml at gmail.com
Mon Feb 25 15:31:47 UTC 2013


I've changed the ref cell, and now I can see

BTS MODE: 2 35

in trx logs. I suppose something is working now, since I can see my
imsis in "tmsis" output from openbtscli.
I can't register to the network, but I think that now is something
related to the "core" (openbts/sipauthregister/asterisk), not radio.

One question more: is the osmocom transceiver able to handle sms as
other transceivers?

On Mon, Feb 25, 2013 at 3:36 PM, Sylvain Munaut <246tnt at gmail.com> wrote:
> Hi.
>
>> L1CTL_RESET_REQ: FULL!L1CTL_FBSB_REQ (arfcn=36, flags=0x7)
>> Starting FCCH RecognitionFB0 (3164:6): TOA= 6672, Power= -83dBm, Angle=  644Hz
>> FB1 (3174:8): TOA= 9151, Power= -83dBm, Angle=  180Hz
>>   fn_offset=3173 (fn=3174 + attempt=8 + ntdma = 7)
>>   delay=9 (fn_offset=3173 + 11 - fn=3174 - 1
>>   scheduling next FB/SB detection task with delay 9
>> =>FB @ FNR 3173 fn_offset=3173 qbits=1420
>> Synchronize_TDMA
>> LOST 2436!
>> SB2 (6353:2): TOA=   23, Power= -83dBm, Angle=  167Hz
>> => SB 0x009ce14a: BSIC=18 fn=1956871(1475/ 7/ 1) qbits=0
>> Synchronize_TDMA
>> =>FB @ FNR 6351 fn_offset=1956870 qbits=4908
>> LOST 1903!
>
> Looks like it can't sync to the reference cell.
>
> Cheers,
>
>     Sylvain




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