Satellite-based positioning receiver with correction of...

Details Satellite-based positioning receiver with correction of... Satellite-based positioning receiver with correction of...

2006-06-20

2006-06-20

Phan, Dao (Department: 3662)

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

Directive

Including a satellite

C342S357490

Reexamination Certificate

active

07064707

ABSTRACT:
The invention relates to a satellite-based positioning receiver receiving signals from different satellites, comprising a correlation channel Cii per satellite received, each correlator channel Cii comprising: a correlation path, in-phase and quadrature, between the signal received and two respective local quadrature carriers (sine, cosine) generated by an oscillator with digital control of carrier; a code correlation path based on the signals I, Q output by the carrier correlation path, with the local codes provided by a digital generator of local codes; an integrator for providing, for each local code, signals IcQcat the output of the correlator channel Cii of the satellite received, c designating each of the local codes, the receiver according to the invention comprises, for each correlator channel of the signal received from a satellite, as many additional correlator channels as additional satellites received, and the local punctual code of the satellite received is correlated with the local codes of the other additional satellites.

REFERENCES:
patent: 4578678 (1986-03-01), Hurd
patent: 5134407 (1992-07-01), Lorenz et al.
patent: 5535237 (1996-07-01), LaPadula et al.
patent: 5535278 (1996-07-01), Cahn et al.
patent: 5689271 (1997-11-01), Lennen
patent: 5694416 (1997-12-01), Johnson
patent: 6313786 (2001-11-01), Krasner et al.
patent: 6588117 (2003-07-01), Martin et al.
patent: 2002/0186794 (2002-12-01), Oesch et al.
patent: 2005/0008106 (2005-01-01), Dong-Sik

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