POSITIONING UNIT, POSITIONING SYSTEM AND POSITIONING METHOD THEREOF
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United States of America Patent
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Issued Date -
Mar 13, 2014
app pub date -
Jul 29, 2013
filing date -
Sep 7, 2012
priority date (Note) -
Abandoned
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Abstract
A positioning unit, a positioning system and a positioning method thereof are provided. The positioning method is used in the positioning system and includes: receiving a plurality of global navigation satellite signals and generating a first satellite-positioning data by a first Global Navigation Satellite System (GNSS) radio unit; receiving the plurality of global navigation satellite signals and generating a second satellite-positioning data by a second Global Navigation Satellite System (GNSS) radio unit; receiving the first satellite-positioning data by a first GNSS unit; receiving the second satellite-positioning data by a second GNSS unit; and estimating a first positioning data and a second positioning data according to a measurement data of the vehicle, the first satellite-positioning data and the second satellite-positioning data by a dead-reckoning unit, the dead-reckoning unit outputs an output-positioning data correspondingly.
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