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:
May. 17, 2016

Filed:

Sep. 07, 2012
Applicants:

Murray Robert Jarvis, Stapleford, GB;

James Burgess Tidd, Stockholm, SE;

Inventors:

Murray Robert Jarvis, Stapleford, GB;

James Burgess Tidd, Stockholm, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 19/42 (2010.01); G01S 19/22 (2010.01); G01S 19/52 (2010.01); G01S 19/25 (2010.01);
U.S. Cl.
CPC ...
G01S 19/22 (2013.01); G01S 19/258 (2013.01); G01S 19/42 (2013.01); G01S 19/52 (2013.01);
Abstract

GNSS receivers and methods of determining a current receiver state of a GNSS receiver are provided. The method includes receiving positioning signals from a plurality of satellites; generating a plurality of correlation grids from the received positioning signals, where each correlation grid is associated with a respective one of the plurality of satellites; estimating a probability distribution of the current receiver state from the plurality of correlation grids; and determining a maximum likelihood estimate of the current receiver state from the estimated probability distribution.


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