Method of locating a mobile station

Details Method of locating a mobile station Method of locating a mobile station

1990-12-19

1994-03-08

Eisensopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

455 334, 455 561, 455 671, 342457, H04Q 700

Patent

active

052936422

ABSTRACT:
A method of providing an estimation of a mobile station's location in a cellular communication system having a plurality of base stations and mobile stations is disclosed. The mobile station's location is provided by measuring radio propagation parameters between the mobile station and each base station within propagation range of the mobile station. Then, a location probability density function (pdf) is found based on the measured radio propagation parameters. A joint probability density function (pdf) is then constructed by combining each individual function which is obtained. The location of the mobile station is then estimated from the resulting joint probability density function (pdf).

REFERENCES:
patent: 4718081 (1988-01-01), Brenig
patent: 4728959 (1988-03-01), Maloney et al.
patent: 4891650 (1990-01-01), Scheffer
patent: 4916455 (1990-04-01), Bent et al.
patent: 5166694 (1992-11-01), Russell et al.

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