Method for a selective call receiver to determine its position a

Details Method for a selective call receiver to determine its position a Method for a selective call receiver to determine its position a

1997-04-28

1999-12-21

Chin, Wellington

Telecommunications

Carrier wave repeater or relay system

Portable or mobile repeater

455456, 455440, 455427, H04B 7185

Patent

active

060060670

ABSTRACT:
A selective call receiver that receives signals transmitted by orbiting satellites uses certain information transmitted by the satellites to calculate an estimate of its position. Using that estimate and other information, the selective call receiver is able to save power by disregarding certain information contained in transmitted signals that are not intended for it.

REFERENCES:
patent: 4860003 (1989-08-01), DeLuca et al.
patent: 5008952 (1991-04-01), Davis et al.
patent: 5010317 (1991-04-01), Schwendeman et al.
patent: 5121503 (1992-06-01), Davis
patent: 5382949 (1995-01-01), Mock et al.
patent: 5530918 (1996-06-01), Jasinski
patent: 5640166 (1997-06-01), Siwiak
patent: 5721534 (1998-02-01), Olds et al.

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