GPS navigation with integrated phase track filter

Details GPS navigation with integrated phase track filter GPS navigation with integrated phase track filter

2006-12-19

2006-12-19

Phan, Dao (Department: 3662)

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

Directive

Including a satellite

C701S213000

Reexamination Certificate

active

07151486

ABSTRACT:
An exemplary method for ultra-tight or deep-integrated tracking signals, transmitted from satellites and containing digital codes, includes a receiver receiving first and second signals transmitted by a satellite, and tracking the first and second signals with one integrated filter. The integrated filter tracks range error, range error rate, range error acceleration, a carrier integer ambiguity of the first signal, a carrier integer ambiguity of the second signal, an ionospheric delay error, and optionally an ionospheric delay error rate.

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Hyung Keun Lee, et al.,Position Domain Filtering and Range Domain Filtering for Carrier-Smoothed-Code DGNSS: An Analytical Comparison,IEEE Proceedings—Radar, Sonar and Navigation, Jan. 2003.
P. Vani{hacek over (c)}ek, et al.,Does A Navigation Algorithm Have To Use Kalman Filter?,CASI Journal, vol. 45, No. 3, 1999, p. 292-296, Canadian Aeronautical and Space Institute (CASI), Ottowa, Ont., Canada.

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