I was talking to my boss the other day about this sort of idea. Basically
the way it works is that your cell location is used to find the nearest
taxi to you with their phone turned on. The text message is then
delivered to the driver. When a taxi picks up a fare they simply turn off
their phone, which deregisters them from the system, and when they're free
again, they turn it back on. Very simple to do actually. All it requires
is a little time setting up which cells are adjacent etc. The software
required would be trivial. As for the size of the cell, in a big city,
cells may only be a few blocks across.
Steve
On Fri, 13 Jul 2001, David Nicholls wrote:
>> Hmm, I'm very dubious of this "Triangulate the Mobile Phone Idea".
> I didn't think this was possible with GSM alone. At least not to the degree
> of accuracy needed to find someone in a cab.
> ( This is one of the reasons US GSM networks may have to combine with GPS
--
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