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Re: [Discuss-gnuradio] Re: [Openbts-discuss] how openbts set channel ban


From: Alexander Chemeris
Subject: Re: [Discuss-gnuradio] Re: [Openbts-discuss] how openbts set channel bandwidth?
Date: Wed, 29 Dec 2010 08:53:38 +0300

OpenBTS doesn't use GnuRadio for processing. It has its own
implementation of all filtering, coding, modulation, etc.

On Wed, Dec 29, 2010 at 04:05, James Jordan <address@hidden> wrote:
> Hi Alexander, where the filter perform? In gnuradio?
> Since there is a filter, openbts must set it, how openbts set the filter?
>
> Regards.
>
> On Tue, Dec 28, 2010 at 2:50 PM, Alexander Chemeris
> <address@hidden> wrote:
>>
>> It performs digital filtering after the signal is captured.
>>
>> On Tue, Dec 28, 2010 at 09:19, James Jordan <address@hidden>
>> wrote:
>> > Hi all, I learned that RFX board do not have channel filter. And it
>> > capture
>> > signal with
>> > bandwith 20MHz, but gsm channel is 200Khz, and I can not see any place
>> > to
>> > set a filter
>> > or something like that to get 200KHz bandwidth signal in openbts source.
>> > I wonder how openbts do that.
>> >
>> >
>> > ------------------------------------------------------------------------------
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>> > _______________________________________________
>> > Openbts-discuss mailing list
>> > address@hidden
>> > https://lists.sourceforge.net/lists/listinfo/openbts-discuss
>> >
>> >
>>
>>
>>
>> --
>> Regards,
>> Alexander Chemeris.
>> http://www.fairwaves.ru
>
>
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>



-- 
Regards,
Alexander Chemeris.
http://www.fairwaves.ru



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