Timing Advance

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Nordin bouchtaoui at gmail.com
Thu Feb 24 08:37:18 UTC 2011


  On 24-2-2011 8:54, Omar Atia wrote:
> Dears,,
>
>
>
> In addition to the below question , first what do you mean by 24 AMPS ?, 2nd
> Does ipaccess covers up to 25 KM or it needs amplifiers or one ipaccess
> antenna can cover that distance can you explain?

For such a distance you need special amplifiers and antennas. It works 
as Stuart said, he told that from his experience.

>
>
> Thanks,
>
> Omar Atia
>
>
>
> From: openbsc-bounces at lists.osmocom.org
> [mailto:openbsc-bounces at lists.osmocom.org] On Behalf Of Maradona Mossiba
> Sent: Wednesday, February 23, 2011 10:41 PM
> To: Stuart Baggs
> Cc: OpenBSC list; Nordin
> Subject: Re: Timing Advance
>
>
>
> Ok cool, thnx Stuart.
> Is this info based on technical specs of the 139 model?
>
> On Wed, Feb 23, 2011 at 7:50 PM, Stuart Baggs<stuart at bluewave.im>  wrote:
>
> Hi Guys,
>
> The ip.access nanoBTS (at least model 139) do implement timing advance. We
> have used them in a macro network coupled with 24 AMPS for nearly a year now
> and they work quite effectively. They work right up to the 25 KM timing
> advance limit.
>
> Kind Regards
>
> Stuart Baggs
>
> BlueWave Communications Ltd - Suppliers of IP pico/femto cells.
>
>
> On 22 Feb 2011, at 15:08, Nordin wrote:
>
>> Hello guys,
>>
>> I haven't been busy with openbsc for a while, however, I was following the
> mailing-list.
>> I have the following question, is timing advance also implemented for the
> nanoBTS? Cause I don't really know where to look in the sources, thank you.
>>
>
>
>
>
>





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