<div dir="ltr"><span style="font-size:12.8000001907349px">Amber & Sarosh,</span><div><br></div><div>Osmo-trx works only with the GSM version of OpenBTS. UMTS version has its own transceiver, which supports UHD AFAIK, so you just need to add resampling support to get it working with UmTRX.</div><div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Aug 17, 2015 at 1:54 AM, Amber and Sarosh <span dir="ltr"><<a href="mailto:amber_sarosh@hotmail.com" target="_blank">amber_sarosh@hotmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr">Thanks for your response Alexander. <br>Does this mean that OpenBTS-UMTS with osmo-trx as transceiver should run fine with umtrx? We have tried to do this but either OpenBTS-UMTS or osmo-trx crashes every time.<br><br>Regards,<br>Amber & Sarosh<br><br><br><div>> From: <a href="mailto:alexander.chemeris@gmail.com" target="_blank">alexander.chemeris@gmail.com</a><br>> Date: Thu, 13 Aug 2015 11:58:07 -0400<span><br>> Subject: Re: umtrx - OpenBTS UMTS Support<br></span>> To: <a href="mailto:amber_sarosh@hotmail.com" target="_blank">amber_sarosh@hotmail.com</a><br>> CC: <a href="mailto:michael.iedema@rangenetworks.com" target="_blank">michael.iedema@rangenetworks.com</a>; <a href="mailto:umtrx@lists.osmocom.org" target="_blank">umtrx@lists.osmocom.org</a>; tom@tsou.cc; <a href="mailto:andy.avtushenko@gmail.com" target="_blank">andy.avtushenko@gmail.com</a>; <a href="mailto:arthur.rabate@gmail.com" target="_blank">arthur.rabate@gmail.com</a><div><div><br>> <br>> Amber & Sarosh,<br>> <br>> UmTRX should work fine with the standard OpenBTS. If it doesn't, you<br>> can try to use osmo-trx as a transceiver instead of a standard OpenBTS<br>> transceiver. OsmoTRX has a lot of improvements compared to the latter.<br>> <br>> We don't have any special branch for OpenBTS-UMTS, as we haven't tried<br>> it ourselves. The only issue I can see is if OpenBTS-UMTS transceiver<br>> doesn't support our sample rate. In that case one will need to add a<br>> resampler to the code (borrowing one from osmo-trx shold work).<br>> <br>> Patches and sharing experience is more than welcome.<br>> <br>> On Thu, Aug 13, 2015 at 2:57 AM, Amber and Sarosh<br>> <<a href="mailto:amber_sarosh@hotmail.com" target="_blank">amber_sarosh@hotmail.com</a>> wrote:<br>> > Thanks for your response.<br>> > OpenBTS(2G) has a separate branch at<br>> > <a href="https://t.yesware.com/tl/f95bee9e3006b0a4fbb5d87c3f2c04fb2de74bfc/e5366caf9c1eb284894809255bfbabac/8eece341c4ea0732be599fe1b55ab71f?ytl=https%3A%2F%2Fgithub.com%2Ffairwaves%2Fopenbts-2.8" target="_blank">https://github.com/fairwaves/openbts-2.8</a> with all the required changes to<br>> > run OpenBTS with umtrx hardware. Is there any such source available for<br>> > running OpenBTS-UMTS(3G) with umtrx as well?<br>> ><br>> > Regards,<br>> > Amber & Sarosh<br>> ><br>> ><br>> > ________________________________<br>> > Date: Wed, 12 Aug 2015 05:17:14 -0800<br>> > Subject: Re: umtrx - OpenBTS UMTS Support<br>> > From: <a href="mailto:andy.avtushenko@gmail.com" target="_blank">andy.avtushenko@gmail.com</a><br>> > To: <a href="mailto:amber_sarosh@hotmail.com" target="_blank">amber_sarosh@hotmail.com</a><br>> > CC: <a href="mailto:alexander.chemeris@gmail.com" target="_blank">alexander.chemeris@gmail.com</a>; <a href="mailto:umtrx@lists.osmocom.org" target="_blank">umtrx@lists.osmocom.org</a>; tom@tsou.cc;<br>> > <a href="mailto:arthur.rabate@gmail.com" target="_blank">arthur.rabate@gmail.com</a>; <a href="mailto:michael.iedema@rangenetworks.com" target="_blank">michael.iedema@rangenetworks.com</a><br>> ><br>> ><br>> > Hi Amber and Sarosh.<br>> > UmTRX will work with OpenBTS-UMTS<br>> > You can find all related information<br>> > <a href="https://t.yesware.com/tl/f95bee9e3006b0a4fbb5d87c3f2c04fb2de74bfc/e5366caf9c1eb284894809255bfbabac/63e8380296120450f26e7f9b2baa8215?ytl=http%3A%2F%2Fopenbts.org%2Fw%2Findex.php%2FOpenBTS-UMTS" target="_blank">http://openbts.org/w/index.php/OpenBTS-UMTS</a><br>> > I've attached getting started with OpenBTS, you will find a lot of useful<br>> > information regarding OpenBTS software as well<br>> > Thanks<br>> ><br>> > 2015-08-12 1:14 GMT-08:00 Amber and Sarosh <<a href="mailto:amber_sarosh@hotmail.com" target="_blank">amber_sarosh@hotmail.com</a>>:<br>> ><br>> > Hi<br>> > Can you please confirm if umtrx works with OpenBTS-UMTS version?<br>> ><br>> > Regards,<br>> > Amber & Sarosh<br>> ><br>> ><br>> ><br>> ><br>> > --<br>> > Best regards,<br>> > Andy<br>> <br>> <br>> <br>> -- <br>> Regards,<br>> Alexander Chemeris.<br>> CEO, Fairwaves, Inc.<br>> <a href="https://t.yesware.com/tl/f95bee9e3006b0a4fbb5d87c3f2c04fb2de74bfc/e5366caf9c1eb284894809255bfbabac/70cb852ae6723e4a1f6c80cb0346e9e6?ytl=https%3A%2F%2Ffairwaves.co" target="_blank">https://fairwaves.co</a><br>> <br>> </div></div></div> </div></div>
</blockquote></div><br><br clear="all"><div><br></div>-- <br><div>Regards,<br>Alexander Chemeris.<br>CEO, Fairwaves, Inc.<br><a href="https://t.yesware.com/tl/f95bee9e3006b0a4fbb5d87c3f2c04fb2de74bfc/e5366caf9c1eb284894809255bfbabac/596152af632f115e5f36835ca71b3ae8?ytl=https%3A%2F%2Ffairwaves.co" target="_blank">https://fairwaves.co</a><br><br></div>
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