Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-04-22
2000-08-08
Bost, Dwayne D.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
342457, 340988, H04Q 720
Patent
active
061013900
ABSTRACT:
A system and method is provided for processing a calibration table used in a wireless location finding system. The initial calibration table data comprises points partitioned into routes followed by moving vehicles, where each point comprises a wireless signal signature and corresponding geographical location. The method comprises calculating, for each point, a list of neighboring points; and generating, for each route, a plurality of geographical bins covering all points in the route. Each bin has a bin location and a bin signature derived from those of the points within the bin. The resulting calibration table, which contains fewer redundant data points than the original calibration table data, may be used in a location finding system for quickly identifying the location of wireless transmitters in real time.
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patent: 5512908 (1996-04-01), Herrick
patent: 5570412 (1996-10-01), LeBlanc
patent: 5587929 (1996-12-01), League et al.
patent: 5729457 (1998-03-01), Seymour
Hilsenrath Oliver A.
Jayaraman Sriram
Wax Mati
Bost Dwayne D.
Gary Erika A.
US Wireless Corporation
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