POSITIONING UNIT, POSITIONING SYSTEM AND POSITIONING METHOD THEREOF
First Claim
1. A positioning unit, installed in a vehicle, comprising:
- a first Global Navigation Satellite System (GNSS) unit, configured to receive a first satellite-positioning data;
a second Global Navigation Satellite System (GNSS) unit, configured to receive a second satellite-positioning data; and
a dead-reckoning unit, configured to estimate 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, and the dead-reckoning unit outputting an output-positioning data correspondingly.
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Accused Products
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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Citations
20 Claims
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1. A positioning unit, installed in a vehicle, comprising:
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a first Global Navigation Satellite System (GNSS) unit, configured to receive a first satellite-positioning data; a second Global Navigation Satellite System (GNSS) unit, configured to receive a second satellite-positioning data; and a dead-reckoning unit, configured to estimate 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, and the dead-reckoning unit outputting an output-positioning data correspondingly. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A positioning system, used in a tunnel, comprising:
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a first Global Navigation Satellite System (GNSS) radio unit, installed on the tunnel and configured to receive a plurality of global navigation satellite signals and generate a first satellite-positioning data; a second Global Navigation Satellite System (GNSS) radio unit, installed on the tunnel and configured to receive the plurality of global navigation satellite signals and generate a second satellite-positioning data; and a positioning unit, installed in a vehicle, comprising; a first GNSS unit, configured to receive the first satellite-positioning data; a second GNSS unit, configured to receive the second satellite-positioning data; and a dead-reckoning unit, configured to estimate 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, and the dead-reckoning unit outputting an output-positioning data correspondingly. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A positioning method, used in a positioning system, comprising following steps:
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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, and the dead-reckoning unit outputting an output-positioning data correspondingly. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification