AGPS will not work for a wide regions of the world. Possible hack to make it work?

Sean Moss-Pultz sean at openmoko.com
Sat Mar 3 20:20:02 CET 2007


You can use it anywhere. You might want to look at this page:

http://wiki.openmoko.org/wiki/Hardware:AGPS

-Sean

P.S. Sorry for top posting.

On Thu, 2007-03-01 at 17:43 -0600, De Gyves wrote:
> On wikipedia:
> 
> http://en.wikipedia.org/wiki/Assisted_GPS
> 
> "Assisted GPS describes a system where outside sources, such as an
> assistance server (Mobile Location Server) via a network, help a GPS
> receiver perform the tasks required to make range measurements and
> calculate position solutions."
> 
> I think it means that AGPS won't work if the cellular network provider
> has not Location Based Services or Mobile Location Servers installed
> (currently, most of Asia, Latin America, Africa and several zones on
> EU). Even more, sometimes Location Based Services are just available
> for a share. This is not freedom.
> 
> I think AGPS devices get some little pieces of information from the
> GPS satellites, after, it has to be sent to a Mobile Location Server
> to be processed, so the Neo1973 will know its position. If so:
> 
> - Maybe we can hack the AGPS device so the user can optionally decide
> to process the information inside the Neo1973 (consuming additional
> battery) if there is no Location Based Service available, or to use
> the Location Based Service. This (I think) can be possible by doing
> the calculations made on the Location Based Service on the Neo.
> 
> Please respond if I am wrong about the disadvantages about using AGPS
> that I have listed here or about the possible solution.
> 




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