Calypso BTS (C140) and Osmo BTS

Tomcsányi Domonkos domi at tomcsanyi.net
Mon Feb 22 23:12:06 UTC 2016


Hi Mirko,

This wiki page contains all the info necessary, I was able to get it going just going through this step by step:
http://openbsc.osmocom.org/trac/wiki/SDR_OsmoTRX_network_from_scratch

Cheers,
Domi


> 2016. febr. 22. dátummal, 23:58 időpontban Mirko Kovacevic <northmirko at gmail.com> írta:
> 
> Hi,  
> 
> Can we still use osmocomBB phones (C140,C139..) with Osmo-BTS project?
> 
> I use transceiver  program from jolly/testing branch and
> firmware in compal_86 ( trx.highram.bin ) from  sylvian/testing branch,
> all from osmocomBB.
> 
> It is the only way to get phones start sync on particular arfcn.
> 
> If I write this configuration in osmo-bts.cfg:
> 
> !
> ! OsmoBTS () configuration saved from vty
> !!
> !
> log stderr
>   logging color 0
>   logging timestamp 0
>   logging level all everything
>   logging level rsl info
>   logging level oml info
>   logging level rll notice
>   logging level rr notice
>   logging level meas notice
>   logging level pag info
>   logging level l1c info
>   logging level l1p info
>   logging level dsp debug
>   logging level abis notice
> !
> line vty
>  no login
> !
> phy 0
>  instance 0
> bts 0
>  band 900
>  ipa unit-id 1801 0
>  oml remote-ip 127.0.0.1
>  trx 0
>   phy 0 instance 0
> 
> 
> 
> I can make launch osmo-bts-trx program.
> 
> After launching osmo-nitb, Osmo-BTS is writing this log:
> 
> <000b> trx_if.c:379 transceiver (phy0.0) rejected TRX command with response: 'RSP POWERON -22'
> <0001> bts.c:203 Shutting down BTS 0, Reason SIGINT
> 
> and when shutdown timer is elapsed, Osmo-BTS exit writing this log:
> 
> Shutdown timer expired.
> 
> What should I put into osmo-bts.cfg and openbsc.cfg to make thing work ?
> 
> I know that Calypso BTS support only one timeslot.
> Tried to modify openbsc.cfg to support only one TS, by putting:
> 
>  timeslot 0
>     phys_chan_config CCCH+SDCCH4
>    timeslot 1
>     phys_chan_config NONE
>    timeslot 2
>     phys_chan_config NONE
>    timeslot 3
>     phys_chan_config NONE
>    timeslot 4
>     phys_chan_config NONE
>    timeslot 5
>     phys_chan_config NONE
>    timeslot 6
>     phys_chan_config NONE
>    timeslot 7
>     phys_chan_config NONE
> 
> But BSC is compling with this configuration.
> 
> Thanks in advance
> 
> 
> 
> -- 
> Puno pozdrava,
> Mirko Kovačević
> 
> 

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