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markus.manninger markus.manninger at student.tugraz.atI allready have the same setup and my osmocom (C123, sylvain branche) phone works without any problems with my openBTS (USRP1, v2.6.0). Max On 08/16/2011 11:32 AM, josephli [via baseband-devel] wrote: > Hello every, > > I recently set up the equipment and tried to communicate with the public > PLMN and it worked well at that stage. Then I tried to camp on the > OpenBTS after switching on the SIM card. When it progressed to location > updating request step, the OpenBTS can not receive identity response > from MS. The timer t3210 was fired as long as passing a certain period > of time and location updating request was sending again iteratively. > Anyway location updating was failed. I checked through wireshark from > the mobile phone side, showing that MS did send the response however > OpenBTS did not receive somehow. Also the timing advance (ta) during > that process became 127 which was abnormal, out of the maximum value of > 63. I suspected it was also caused by the failure of reception. > > Is there something wrong about the decoding at OpenBTS side or data > packing error at MS side? Is there any way to fix it? > > Many thanks, > > Li > > ------------------------------------------------------------------------ > If you reply to this email, your message will be added to the discussion > below: > http://baseband-devel.722152.n3.nabble.com/interact-osmocombb-with-OpenBTS-tp3258156p3258156.html > > To start a new topic under baseband-devel, email > ml-node+722152-1468632564-419596 at n3.nabble.com > To unsubscribe from baseband-devel, click here > <http://baseband-devel.722152.n3.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=722152&code=bWFya3VzLm1hbm5pbmdlckBzdHVkZW50LnR1Z3Jhei5hdHw3MjIxNTJ8MTIyNDUzMjA5MQ==>. > -- ---------------------------------- Markus Manninger, Ing Student of Telematics Graz University of Technology Austria ---------------------------------- -- View this message in context: http://baseband-devel.722152.n3.nabble.com/interact-osmocombb-with-OpenBTS-tp3258156p3262554.html Sent from the baseband-devel mailing list archive at Nabble.com. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/baseband-devel/attachments/20110817/bba5d702/attachment.htm>