GSM location service

[Daniel Willmann]

On Thu, 25 Sep 2008 13:43:46 +0300
Baruch Even <baruch at ev-en.org> wrote:

> I'm working on a GSM location service that can detect the current
> location based on the GSM cell towers seen by the phone. we are
> currently in a fairly early stage but there is some proof of concept
> that seems to be useful.
> 
> I would like to discuss the way we can integrate it later as a proper
> location service.

Yes, having generic location information integrating GPS, GSM
positioning, Wifi triangulation is really something we want to have.
Have you looked at GeoClue
(http://www.freedesktop.org/wiki/Software/GeoClue)?
My information on GeoClue is about a year old so I don't know about its
current state.

> The interface all applications use is the Gypsy interface of which a
> subset we can provide with the GSM data (there are no satellites
> obviously). But currently frameworkd is implementing this interface
> and I don't know if an interface for me to connect to frameworkd and
> say "I am a new location service, get data from me if you don't have
> GPS data" or something like that.

There are some thoughts about having a gsm and wifi database on the
GeoClue site, but I think there's no implementation yet.

> In fact, I'd like to have a low level GPS service that the GSM service
> can use as well since part of it is collecting data to find the cell
> towers which are later used to generate the user location even when
> GPS is not available.

That would be the gypsy API then.

Regards,
Daniel Willmann
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