questions about layer 1 interface

Dieter Spaar spaar at
Thu Apr 8 08:05:39 UTC 2010

Hello Harald,

On Thu, 8 Apr 2010 05:18:15 +0200, "Harald Welte" <laforge at> wrote:
> Also, layer1 TX side still has a problem where it transmits the bursts 
> all off-by-one timeslot, i.e. only 3 out of 4 bursts of a message are
> received correctly by the BTS, the other burst is sent at a different
> (wrong!) point in time, disturbing some other phone on the same cell.

With my fix from a while ago sending works as expected. In the meantime
I extended my test code so that I could also verify the correct behaviour
against a GSM test set when doing a Location Update.

Best regards,
Dieter Spaar, Germany                           spaar at

More information about the baseband-devel mailing list