The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 16, 2021

Filed:

Oct. 28, 2016
Applicant:

Mitsubishi Electric Corporation, Chiyoda-ku, JP;

Inventors:

Masakazu Miya, Chiyoda-ku, JP;

Seigo Fujita, Chiyoda-ku, JP;

Yuki Sato, Chiyoda-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/41 (2010.01); G01S 19/07 (2010.01); G01S 19/08 (2010.01); G01S 19/44 (2010.01);
U.S. Cl.
CPC ...
G01S 19/41 (2013.01); G01S 19/07 (2013.01); G01S 19/08 (2013.01); G01S 19/44 (2013.01);
Abstract

A correction generation unit generates an amount of correction for a phase pseudorange between a positioning satellite and each of a plurality of evaluation points, as an amount of evaluation point correction for each of the plurality of evaluation points, based on a carrier phase of a positioning signal observed at each of a plurality of electronic reference points. A reference calculation unit calculates a difference between the phase pseudorange between the positioning satellite and each of the plurality of evaluation points and a geometric distance between the positioning satellite and each of the plurality of evaluation points, as an amount of reference correction for each of the plurality of evaluation points. A ranging error calculation unit removes a bias component due to ambiguity from a difference between the amount of evaluation point correction and the amount of reference correction and thereby calculates a ranging error at each of the plurality of evaluation points.


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