Location determination with geographic and bias tuning

Details Location determination with geographic and bias tuning Location determination with geographic and bias tuning

2011-07-26

2011-07-26

Patel, Ajit (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456500, C455S456600

Reexamination Certificate

active

07986953

ABSTRACT:
A method for determining location of an observer device is disclosed. The method includes receiving basestation distance data for the observer device and applying a location algorithm to the basestation distance data to determine a computed location of the observer device. The method further includes determining whether the basestation distance data correlates to any of a plurality of observer device conditions. Upon determining the basestation data correlates with one of the observer device conditions, a location bias associated with that observer device condition is employed to correct the computed location of the observer device and produce a corrected location.

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