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Sensors 2014, 14(9), 17376-17389; doi:10.3390/s140917376

A Novel Position Estimation Method Based on Displacement Correction in AIS

1
Information Science and Technology College, Dalian Maritime University, Dalian 116026, China
2
School of Electronic and Information Engineering, Beihang University, Beijing 100083, China
*
Author to whom correspondence should be addressed.
Received: 25 June 2014 / Revised: 17 August 2014 / Accepted: 21 August 2014 / Published: 17 September 2014
(This article belongs to the Section Physical Sensors)
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Abstract

A new position estimation method by using the signals from two automatic identification system (AIS) stations is proposed in this paper. The time of arrival (TOA) method is enhanced with the displacement correction, so that the vessel’s position can be determined even for the situation where it can receive the signals from only two AIS base stations. Its implementation scheme based on the mathematical model is presented. Furthermore, performance analysis is carried out to illustrate the relation between the positioning errors and the displacement vector provided by auxiliary sensors. Finally, the positioning method is verified and its performance is evaluated by simulation. The results show that the positioning accuracy is acceptable. View Full-Text
Keywords: positioning method; displacement correction; time of arrival; automatic identification system (AIS) positioning method; displacement correction; time of arrival; automatic identification system (AIS)
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Jiang, Y.; Zhang, S.; Yang, D. A Novel Position Estimation Method Based on Displacement Correction in AIS. Sensors 2014, 14, 17376-17389.

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