Non-synchronized handover

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Alexander Chemeris alexander.chemeris at gmail.com
Mon Nov 5 18:34:33 UTC 2012


Hi Harald,

On Thu, Nov 1, 2012 at 2:22 PM, Harald Welte <laforge at gnumonks.org> wrote:
> On Thu, Nov 01, 2012 at 11:33:28AM +0400, Alexander Chemeris wrote:
>> Dimitri, we have a working OpenBSC/nanoBTS installation at the hackerspace.
>> If you find out how to issue a handover command in OpenBSC, you could try
>> by yourself.
>
> You cannot issue a handover command manually in OpenBSC.  The way how we
> test handover is to use two BTSs connected to one OsmoNITB, and use
> rotary/adjustable attenuators in the Tx path to make one BTS signal
> weaker than the other BTS, at which point the handover algorithm will
> kick in and perform the hand-over.

If this is done inside of the OpenBSC, it should be easy to hack a VTY
command to force handover. It may be a useful command as well, if you
want to do load balancing of your network. Am I missing something?

> The DMEAS and the DHO debug logging might be useful to monitor what is
> happening while you're doing that.

Thanks.

--
Regards,
Alexander Chemeris.
CEO, Fairwaves LLC / ООО УмРадио
http://fairwaves.ru




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