Training sequences of ARFCNs different than C0

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Perper perper at o2.pl
Mon Sep 8 19:24:13 UTC 2014


Hi Harald,

W dniu 08.09.2014 o 15:02, Harald Welte pisze:
> Hi Piotr,
>
> good to hear from you again :)
I'm just trying to complete some of the TODO's that I left ;).
On the sidenote: osmocom is great! Thanks to your efforts mobile
communication is not an unreachable mystery it once was.
> On Fri, Sep 05, 2014 at 03:41:16PM +0200, Perper wrote:
>> Where BTSes transmit training sequence (/sequences) of
>> ARFCNs other than C0?
> This should be part of the Channel Description IE of the IMMEDIATE
> ASSIGNMENT of the specific logical channel on the AGCH in the downlink
> CCCH.  Indeed, each logical channel can have a different training
> sequence and they do not need to match the BCCH one.
>
Thanks for the answer! I will experiment with autodetection of the
sequence used and/or reconfiguration based on information transmitted on
AGCH.

Regards,
Piotr Krysik




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