Method and apparatus for location determination of a...

Details Method and apparatus for location determination of a... Method and apparatus for location determination of a...

2008-09-16

2008-09-16

Ferguson, Keith T. (Department: 2618)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S338000, C370S310000, C370S313000, C455S456100, C455S456300, C455S456600, C455S414100, C455S414200, C340S539100, C340S568200, C340S568800, C340S572100, C340S572200

Reexamination Certificate

active

11245926

ABSTRACT:
A method and apparatus for determining a location of a wireless device within an environment. A wireless device, which is operable in a wireless communication system, comprises a transmitter for transmitting a first signal to a transponder, where the transponder operates independent of the wireless communication system. The wireless device further includes a receiver for receiving a second signal from the transponder, where the second signal includes identifying data associated with the transponder. The wireless device further includes a processor for determining a location of the wireless device within the environment or classifying the environment based at least in part upon the received identifying data.

REFERENCES:
patent: 2004/0157625 (2004-08-01), Gheorghiu et al.
patent: 2004/0203944 (2004-10-01), Huomo et al.
patent: 2005/0245271 (2005-11-01), Vesuna
patent: 2006/0063563 (2006-03-01), Kaufman
patent: 1313079 (2003-05-01), None
patent: 9955102 (1999-10-01), None
patent: 2004040923 (2004-05-01), None
patent: 2004057361 (2004-07-01), None

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