[Openbts-discuss] New open hardware for OpenBTS

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Kurtis Heimerl kheimerl at cs.berkeley.edu
Thu Sep 8 17:17:09 UTC 2011


This is awesome Alexander. Please keep the list (and me personally)
informed, I'd love to help in whatever context I can.

On Thu, Sep 8, 2011 at 9:38 AM, Alexander Chemeris
<alexander.chemeris at gmail.com> wrote:
> Hi all, (and sorry to those who receive this twice)
>
> At Sept 15th I will speak at the Open Hardware Summit at the breakout
> session "Open Hardware in Voice Telecommunications" and there I will
> present Fairwaves project to create an open hardware transceiver for
> OpenBTS. Someone may recall I proposed similar project about 1.5 years
> ago, but then abandoned due to lack of interest from the community.
> Now it was revived on a new level, thanks to financial and
> motivational support from Jean-Samuel Najnudel of BJT Partners SARL.
> As an experiment this project will be completely open-sourced in an
> open-source hardware way.
>
> Project is in active development, so just to give you an idea of what
> we're aiming:
>  * Targeted for rural installations.
>  * CAPEX and OPEX optimized.
>  * 2 TRX per sector. Each TRX connected to its own antenna with its
> own saturated (=cheap) power amplifier on Tx side. On Rx side both
> antennas are used to provide diversity receive.
>  * Reference clock synchronized to GPS for accurate timing.
>  * Based on USRP N200, but with Xilinx Spartan 6 and LimeMicro
> LMS6002D. Which means it's actually design is much more capable then
> just GSM.
>
> More details, web-site, schematics, etc will be available after OHS.
> First samples of the hardware we hope to have at the end of this year.
>
> If you're going to OHS - come to our breakout session to discuss the
> project and share your ideas!
>
> --
> Regards,
> Alexander Chemeris.
>
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