Method of factorizing pseudodistance time of week in an...

Details Method of factorizing pseudodistance time of week in an... Method of factorizing pseudodistance time of week in an...

2007-12-25

2007-12-25

Tarcza, Thomas H. (Department: 3662)

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

Directive

Including a satellite

Reexamination Certificate

active

11043183

ABSTRACT:
A method is disclosed of calculating the position of a mobile device in which an assistance data server provides aid with solving the point of the mobile device and the mobile device communicates with the server via a cellular network and receives positioning signals from a satellite positioning system using a spread spectrum access technique. The method comprises the following steps: following reception of the positioning signals, the device sends the server a set of spreading code phases corresponding to the satellites acquired, the code phases having a single time of week indication corresponding to the transmission time of one of the code phases; the server deduces from the information the transmission times corresponding to the code phases and the pseudodistances; and the server solves the point.

REFERENCES:
patent: 6408178 (2002-06-01), Jolley
patent: 6453237 (2002-09-01), Abraham
patent: 6476762 (2002-11-01), Valio
patent: 6958726 (2005-10-01), Abraham et al.
patent: 2002/0008502 (2002-01-01), Bryant

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