Vehicle positioning method and system thereof

Details Vehicle positioning method and system thereof Vehicle positioning method and system thereof

1999-02-08

2000-12-26

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701207, 701213, 34235701, 342450, 342451, G01C 2100, H04B 7185

Patent

active

061673471

ABSTRACT:
An improved fully-coupled vehicle positioning process and system thereof can substantially solve the problems encountered in global positioning system-only and inertial navigation system-only, such as loss of global positioning satellite signal, sensibility to jamming and spoofing, and inertial solution's drift over time, in which the velocity and acceleration from an inertial navigation processor are used to aid the code and carrier phase tracking of the global positioning system satellite signals, so as to enhance the performance of the global positioning and inertial integration system, even in heavy jamming and high dynamic environments. The improved fully-coupled GPS/IMU vehicle positioning system includes an IMU (inertial measurement unit) and a GPS processor which are connected to a central navigation processor to produce navigation solution that is output to an I/O (input/output) interface.

REFERENCES:
patent: 5654890 (1997-08-01), Nicosia et al.
patent: 5657025 (1997-08-01), Ebner et al.
patent: 5757316 (1998-05-01), Buchler

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