Computer Science ›› 2014, Vol. 41 ›› Issue (2): 182-190.

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Tracking with Pairwise Uncertainty of RSSI Based on Pairwise Sensing Uncertainty in Wireless Sensor Networks

XIE Yi,HUANG Qi-shan and ZHANG Hui-chuan   

  • Online:2018-11-14 Published:2018-11-14

Abstract: Focusing on the unreliable sensing phenomenon in wireless sensor networks and its impact on target-tracking accuracy,this paper first analyzed the uncertain area caused by the uncertainty of pairwise sensing results and its boun-daries.Then the tracking with pairwise uncertainty of RSSI (TPU-RSSI) strategy was proposed.Hence,the tracking problem is transformed into a vector matching process,which matches the signature vector of divided faces with the sampling vector formed by the burst grouping samplings,in order to improve the tracking flexibility,increase the trac-king accuracy and reduce the influence of in-the-filed factors.In addition,a heuristic matching algorithm was introduced to reduce the computational complexity.The experiment results show that TPU-RSSI is more flexible and has higher tracking accuracy than related methods.

Key words: Target-tracking,Unreliable sensing,Uncertain area,Wireless sensor networks

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