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RSS FeedsSensors, Vol. 14, Pages 17376-17389: A Novel Position Estimation Method Based on Displacement Correction in AIS (Sensors)

 
 

17 september 2014 14:47:34

 
Sensors, Vol. 14, Pages 17376-17389: A Novel Position Estimation Method Based on Displacement Correction in AIS (Sensors)
 


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.


 
138 viewsCategory: Chemistry, Physics
 
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