Mobile positioning using intergrated ad-hoc network

Details Mobile positioning using intergrated ad-hoc network Mobile positioning using intergrated ad-hoc network

2007-06-12

2007-06-12

Anderson, Matthew (Department: 2618)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456200, C455S456300, C455S456400, C455S456500

Reexamination Certificate

active

10433926

ABSTRACT:
A mobile station positioning method for a cellular communications system includes evaluating an initial position estimate of a target mobile station having an initial area of uncertainty, evaluating a position estimate of a further mobile station of the system, estimating distance between the target and further mobile stations and using the position and distance estimates to evaluate a new position estimate of the target mobile station having a reduced area of uncertainty. Bi-circular and tri-circular methods are described.

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Pent et al.; Method for positioning GSM mobile stations using absolute time delay measurements; Electronics Letters, Nov. 20, 1997; vol. 33, No. 24.

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