Method and apparatus for estimating relative position in a...

Details Method and apparatus for estimating relative position in a... Method and apparatus for estimating relative position in a...

2011-06-14

2011-06-14

Tarcza, Thomas H (Department: 3662)

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

Directive

Including a satellite

Reexamination Certificate

active

07961145

ABSTRACT:
The present invention relates to a method and apparatus for estimating relative position in a global navigation satellite system. In one embodiment, a method for estimating a position of a first receiver relative to a second receiver in a global navigation satellite system includes obtaining a first set of measurements from the first receiver, where the first set of measurements estimates a first distance between the first receiver and a satellite in the global navigation satellite system, obtaining a second set of measurements from the second receiver, where the second set of measurements estimates a second distance between the second receiver and a satellite in the global navigation satellite system, performing time domain recursive filtering in accordance with the first set of measurements and the second set of measurements, and estimating the position of a first receiver relative to a second receiver in accordance with the time domain recursive filtering.

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Basnayake et al., “GPS-Based Relative Positioning Test Platform for Automotive Active Safety Systems”, Sep. 2006, ION GNSS 19th International Technical Meeting of the Satellite Division, Fort Worth, TX.

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