This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/UmTRX@lists.osmocom.org/.
Alexander Chemeris alexander.chemeris at gmail.comHi Amber & Sarosh, UmTRX itself can with with both channels in different bands. That said, this is not currently implemented in OsmoBTS/OsmoNITB - you can see that the band is specified for a BTS as a whole. Patches to add this feature are very welcome. On Mon, May 4, 2015 at 1:15 AM, Amber and Sarosh <amber_sarosh at hotmail.com> wrote: > Hi, > Thank you for your help Alexander. > > We have configured our system to use both the channels of UmTRX on > different ARFCNs of GSM900 band with OsmoNITB, OsmoTRX and OsmoBTS.We have > a Fairwaves UmTRX version 2.2 with us. Can you please confirm if the two > channels of a single UmTRX can be configured to operate on two different > bands for example one channel on GSM900 and the other one on DCS1800? > > Regards, > Amber & Sarosh > > Regards, > Amber & Sarosh > > > ------------------------------ > From: alexander.chemeris at gmail.com > Date: Fri, 1 May 2015 23:37:25 -0400 > > Subject: Re: Query - Running two ARFCN on UmTRX using OsmoBTS > To: amber_sarosh at hotmail.com > CC: umtrx at lists.osmocom.org; andy.avtushenko at gmail.com > > Amber & Sarosh, > > We recommend using the following branches: > osmo_trx: fairwaves/master > libosmocore: master > libosmo-abis: fairwaves/master > libsmpp34: master > osmo_bts: fairwaves/debian > openbsc: fairwaves/master > > Let us know if you have any issues using them. > > On Tue, Apr 28, 2015 at 1:24 AM, Amber and Sarosh < > amber_sarosh at hotmail.com> wrote: > > > Hi, > Thankyou for your response. > For installation of osmo-bts we are following the instructions at > http://openbsc.osmocom.org/trac/wiki/network_from_scratch . Kindly inform > which branch should we use? > > Regards, > Amber & Sarosh > > > > From: alexander.chemeris at gmail.com > > Date: Mon, 27 Apr 2015 15:25:08 -0400 > > Subject: Re: Query - Running two ARFCN on UmTRX using OsmoBTS > > To: amber_sarosh at hotmail.com > > CC: umtrx at lists.osmocom.org; andy.avtushenko at gmail.com > > > > > Amber & Sarosh, > > > > It looks like you're using a wrong version of osmo-bts. Whuch branch > > and commit are you using? > > > > On Mon, Apr 27, 2015 at 5:39 AM, Amber and Sarosh > > <amber_sarosh at hotmail.com> wrote: > > > Hi > > > Thanks for your reply. We have tested the configurations that you > mailed but > > > our setup still produces the following error message when osmobts is > run; > > > > > > <0006> scheduler.c:212 Init scheduler for trx=0 > > > <000a> trx_if.c:485 Open transceiver for trx=0 > > > <000a> trx_if.c:496 Waiting for transceiver send clock > > > There is no such command. > > > Error occurred during reading below line: > > > rxgain 12 > > > > > > Unknown TRX 1. Aavialable TRX are: 0..0 > > > Failed to parse the config file: '/root/.osmocom/osmo-bts.cfg' > > > > > > Any help in this regard is much appreciated. Thanks. > > > > > > Regards, > > > Amber & Sarosh > > > > > > > > > ________________________________ > > > Date: Fri, 24 Apr 2015 08:54:35 -0800 > > > Subject: Query - Running two ARFCN on UmTRX using OsmoBTS > > > From: andy.avtushenko at gmail.com > > > To: amber_sarosh at hotmail.com > > > CC: fairsupport at fairwaves.co > > > > > > > > > Hello Amber & Sarosh > > > You have to add these lines below into /etc/osmocom/openbsc.cfg right > after > > > trx0 configuration > > > trx 1 > > > rf_locked 0 > > > arfcn 184 (set the right ARFCN for you here ) > > > nominal power 23 > > > max_power_red 0 > > > rsl e1 tei 0 > > > timeslot 0 > > > phys_chan_config TCH/F > > > timeslot 1 > > > phys_chan_config TCH/F > > > timeslot 2 > > > phys_chan_config TCH/F > > > timeslot 3 > > > phys_chan_config TCH/F > > > timeslot 4 > > > phys_chan_config TCH/F > > > timeslot 5 > > > phys_chan_config TCH/F > > > timeslot 6 > > > phys_chan_config TCH/F > > > timeslot 7 > > > phys_chan_config TCH/F > > > > > > And add into etc/osmocom/osmo-bts.cfg > > > > > > trx 1 > > > rxgain 12 > > > power 0 > > > > > > restart services: sudo sv restart osmo-trx osmo-bts osmo-nitb > > > > > > Regarding trx band dividing, theoretically it might possible but we > haven't > > > tested that > > > -- > > > Best regards, > > > Andy > > > > > > > > -- > > Regards, > > Alexander Chemeris. > > CEO, Fairwaves, Inc. > > https://fairwaves.co > > > > > > > > > -- > Regards, > Alexander Chemeris. > CEO, Fairwaves, Inc. > https://fairwaves.co > > > -- Regards, Alexander Chemeris. CEO, Fairwaves, Inc. https://fairwaves.co -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/umtrx/attachments/20150504/23785542/attachment.htm>