handoff / handover indicator

Ravid Cohen ravidc at ottopia.tech
Sun Aug 29 17:21:54 UTC 2021

Hi Domi,

Thank you for the quick and detailed response.
I'm interested in the first scenario you described (ongoing service,
espaclly data).

If I understand you correctly, the change is triggered by the network
provider but the actual switch is made by the modem itself (according to
the operator instructions)?
If that is the case, maybe there's a way to catch this event/s?

Thanks you again,

On Sun, Aug 29, 2021 at 8:08 PM Tomcsanyi, Domonkos <domi at tomcsanyi.net>

> Hi Ravid,
> Firstly I think the most important is to get the terms correctly: so by
> handover do you mean handing over an ongoing service (voice or data) from
> one cell to another, or do you mean cell reselection in idle mode because
> of moving or change of radio conditions?
> The first one is actively triggered by the network to maintain continuity
> in the service as much as possible, the other happens autonomously by the
> baseband. Sadly both of them are quite hard to detect, because even though
> certain events are fired and thresholds are crossed these remain internal
> to the baseband firmware as far as I know.
> Kind regards,
> Domi
> > 29.08.2021 dátummal, 16:30 időpontban Ravid Cohen <ravidc at ottopia.tech>
> írta:
> >
> > 
> > Hey
> >
> > I'm not sure this is the right place for such questions, if not please
> refer me to the right place.
> >
> > I'm using a Sierra modem (em7565).
> > Is there a way to get notification before the handover process between
> two cells begins?
> >
> > Best regards,
> > Ravid
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