OpenBSC September 2010

openbsc@lists.osmocom.org

23 participants
28 discussions

power amplifier for DCS 1800
by Konrad Meier 11 Sep '10

11 Sep '10

Hi, I am building a GSM Test-Network at the university of Freiburg (Germany). We have a license for some channels in the DCS1800 band. For the network we are using nanoBTS and we would like to amplify the TX Signal from the nanoBTS. Does anyone know a suitable power amplifier? The output signal from the amplifier should be 1 or 2 Watt? Regards Konrad

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ULP [was: Problem connecting to NanoBTS with current version of OpenBSC]
by Dieter Spaar 07 Sep '10

07 Sep '10

Hello Andreas, On Tue, 07 Sep 2010 13:57:56 +0200, "Andreas Schmidt-Dannert" <aschmida(a)mail.tu-berlin.de> wrote: > > I can only see the DNS query for the ip of the SUPL server and than some > TCP packets going to the SUPL port (7275) and back to my mobile phone. I could just verify my assumption: The traffic is SSL encrypted. If you tell WireShark to decode the trace as SSL you can see that the result will make sense. So I guess that the ULP traffic is embedded in SSL. I found a valid ULP trace here: http://pastebin.com/6vfri6Mt I don't know from whom it is, it is already decoded. Best regards, Dieter -- Dieter Spaar, Germany spaar(a)mirider.augusta.de

2 1

Re: Problem connecting to NanoBTS with current version of OpenBSC
by Dieter Spaar 07 Sep '10

07 Sep '10

Hello Andreas, On Sun, 22 Aug 2010 21:03:46 +0200, "Andreas Schmidt-Dannert" <aschmida(a)mail.tu-berlin.de> wrote: > > I am playing around with RRLP and since newer versions of OpenBSC also > support packet data I wanted to upgrade to be able to receive A-GPS > data from the internet. I don't know whats wrong with your configuration, I can just say that here switching between different PCs running OpenBSC works without problems when the correct OML IP address has been configured for the nanoBTS ("-o" option of "ipaccess-config") and the nanoBTS was restarted. I am interested in what you want do try with RRLP because I recently did some more experiments with it. Especially I would like to try "MS-assisted" position measurements next, however this method requires the acquisition assitance data which have to be calculated first, I don't think they can be extracted from the data of a GPS receiver. I don't know if there is some ready and tested code for this already available which would make it easier to get this up an running. Best regards, Dieter -- Dieter Spaar, Germany spaar(a)mirider.augusta.de

3 4

ipAccess nanoBTS
by Sergey V. Efimoff 06 Sep '10

06 Sep '10

Hello All, Has anyone nanoBTS for sale (need one for start experiments)? Best Regards, Sergey.

1 0

V.32/V.110 support in OpenBSC
by Sergey V. Efimoff 06 Sep '10

06 Sep '10

Hello All, Is there support for V.32/V.110 data modes in OpenBSC. How it is possible to connect two GSM devices in standard data mode (not GPRS)? Best Regards, Sergey.

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how to extract mobile number and find cell phone current location
by zero cool 03 Sep '10

03 Sep '10

Hi All, I want to find mobile number which is associated with IMSI number in any particular network, is there any way to do it, also in GSM, MS use to inform its Nearest BTS about its location, is there any way to find the location

2 1

LCR problem
by Sergey V. Efimoff 01 Sep '10

01 Sep '10

Hello All, Does somebody ever seen the next message while starting LCR: 000000 ERROR GSM port 0 failed to bind socket. (name = mISDN_l1loop.1 errno=16) What does it mean? I have BS11 and HFC controller, all worked fine on another machine with the same software. Sergey.

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Latest OpenBSC version that is working with the rugby nanoBTS?
by Holger Hans Peter Freyther 01 Sep '10

01 Sep '10

Hi, is anyone still using the rugby sized nanoBTS? What is the latest version of OpenBSC that is working for you?

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OpenBSC September 2010