Positioning device and positioning method

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United States of America Patent

PATENT NO 11441907
APP PUB NO 20210215485A1
SERIAL NO

16475529

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In a locator device, a dead reckoning part calculates a position of a subject vehicle by dead reckoning. A pseudorange smoothing part smooths a pseudorange between a GNSS satellite and a position of the subject vehicle using a carrier wave phase of the GNSS satellite. A GNSS receiver positioning error evaluation part evaluates reliability of the position of the subject vehicle calculated by the multi-GNSS receiver. A GNSS positioning part (Kalman Filter (KF) method) calculates a position of the subject vehicle from a smoothed value of the pseudorange, a positioning augmentation signal, and an orbit of the GNSS satellite. A complex positioning part (KF method) calculates an error in the dead reckoning from the position of the subject vehicle calculated by the GNSS positioning part (KF method), and corrects the position of the subject vehicle calculated by the dead reckoning part based on the error in the dead reckoning.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008310 ?1008310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujii, Masatoshi Tokyo, JP 19 203
Fujimoto, Kohei Tokyo, JP 10 74
Irie, Takashi Tokyo, JP 70 686
Ishigami, Tadatomi Tokyo, JP 15 232
Kido, Masashi Tokyo, JP 5 59
Kinoshita, Ryusuke Tokyo, JP 11 94

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