Wireless position location and tracking system

Details Wireless position location and tracking system Wireless position location and tracking system

2009-11-08

2011-10-04

Issing, Gregory C (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Position indicating

C342S463000

Reexamination Certificate

active

08031120

ABSTRACT:
Techniques for accurate position location and tracking suitable for a wide range of facilities in variable environments are disclosed. In one aspect, a system for position location comprises a plurality of sensors (e.g. a network monitor, an environment sensor) for generating measurements of a plurality of sources, a plurality of objects or tags, each object generating measurements of the plurality of sources, and a processor for receiving the measurements and generating a position location for one or more objects in accordance with the received measurements. In another aspect, a position engine comprises a mapped space of a physical environment, and a processor for updating the mapped space in response to received measurements. The position engine may receive second measurements from an object within the physical environment, and generate a position location estimate for the object from the received second measurements and the mapped space.

REFERENCES:
patent: 6249252 (2001-06-01), Dupray
patent: 6529164 (2003-03-01), Carter
patent: 6928292 (2005-08-01), Tsunehara et al.
patent: 7149499 (2006-12-01), Oran et al.
patent: 2004/0061646 (2004-04-01), Andrews et al.
patent: 2004/0203904 (2004-10-01), Gwon et al.
patent: 2005/0075118 (2005-04-01), Lewis et al.

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