Method for tracking location of a mobile unit

Details Method for tracking location of a mobile unit Method for tracking location of a mobile unit

2008-09-09

2008-09-09

Trost, William (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S414200, C455S423000, C342S451000, C342S357490, C702S150000

Reexamination Certificate

active

10852347

ABSTRACT:
Location of a mobile unit is determined by a combined probability, derived from a first probability for possible locations based on a current sample of radio signal characteristics and a second probability that a unit has moved from a prior location or probable location to each possible location.

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patent: 2004/0150551 (2004-08-01), Artebrant et al.
patent: 2004/0152470 (2004-08-01), Spain

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