Communication network initialization apparatus and method for fa

Details Communication network initialization apparatus and method for fa Communication network initialization apparatus and method for fa

1999-04-28

2000-05-23

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

34235701, 34235706, 701213, G01S 502, H04B 7185

Patent

active

060670452

ABSTRACT:
An apparatus and method is disclosed, utilizing a communications network (in this particular design, it is a GEM (Geo-Mobile) satellite system) to initialize a Global Positioning System (GPS) receiver (such one integrated into a handheld user terminal, or phone used within the communication network) to enable the GPS receiver to quickly acquire GPS satellite signals and perform positioning calculations. By systematically feeding the GPS receiver key pieces of information (GPS satellite trajectories, time estimate, position estimate, and additional positional references), the time to first fix (TTFF) of the GPS receiver can be drastically reduced.

REFERENCES:
patent: 5311194 (1994-05-01), Brown
patent: 5841396 (1998-11-01), Krasner
patent: 5862495 (1999-01-01), Small et al.
patent: 5874914 (1999-02-01), Krasner
patent: 5917444 (1999-06-01), Loomis et al.
patent: 5945944 (1999-08-01), Krasner

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