Method for calculating current position coordinate

Details Method for calculating current position coordinate Method for calculating current position coordinate

2011-03-29

2011-03-29

Tarcza, Thomas H (Department: 3662)

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

Directive

Including a satellite

C342S357200

Reexamination Certificate

active

07916076

ABSTRACT:
A method for calculating current position coordinate is applied to a global positioning system (GPS) receiver. When positioning at a current time point, the GPS receiver directly calculates a code delay and a carrier frequency of each satellite and position coordinate of the GPS receiver at a current positioning time point by utilizing an ephemeris data of each satellite and position coordinate of the GPS receiver at a last positioning time point, thereby greatly lowering an operation amount, so as to reduce the power consumption.

REFERENCES:
patent: 6167347 (2000-12-01), Lin
patent: 6266584 (2001-07-01), Hur-Diaz et al.
patent: 6424890 (2002-07-01), Syrjarinne et al.
patent: 6429808 (2002-08-01), King et al.
patent: 7567208 (2009-07-01), Mo et al.

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