Bill Stewart writes:
> That doesn't mean that the author isn't mixing up two concepts -
> GPS vs cell phone location by the phone system's signalling.
> GPS burns too much power to be used in typical cellphones -
I'd like to point out an emerging technology (based on digital pulse
radio, implementable in SiGe processes) which could create a very
low-power high-accuracy (cm range) realtime (multiple fixes/s) global
or local positioning system, using the cellphone handsets themselves,
and the base stations.
http://www.aetherwire.com/Aether_Wire/aether.html
