position

Ricardo Galli gallir at uib.es
Tue Jun 17 07:58:27 EDT 2003


On Tuesday 17 June 2003 13:44, Johanna Gülly shaped the electrons to 
shout:
> I´ve 3 APs. When I walk around with my notebook, every AP shows its
> signal it has to the notebook. How can I calculate the position of the
> notebook with the 3 different signals? how does "triangulierung" work?

There are several papers in this topic. Triangulisation doesn't work, 
mainly due to multipath effects.

Most of the working methos are empricial ones, based on previous measures 
for several positions and then some extrapolation, kalman filtering and 
bayesian methods.


-- 
  ricardo galli       GPG id C8114D34



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