Telecommunications Science ›› 2016, Vol. 32 ›› Issue (7): 68-75.doi: 10.11959/j.issn.1000-0801.2016128

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Multi-group target tracking method based on adaptive predictive clustering in WSN

Shumu LIU1,Jian YANG1,Yuansong LI2   

  1. 1 Sichuan Engineering Vocational Technical College,Deyang 618000,China
    2 Sichuan University of Science & Engineering,Zigong 643000,China
  • Online:2016-07-20 Published:2017-04-26

Abstract:

Aiming at the imbalance between energy using and tracking accuracy in multi-sensor target tracking,a method of trade-off network lifetime and accuracy was proposed.It was a multi-group target tracking method based on adaptive predictive clustering (APCMT),realizing the simultaneous tracking of multiple groups.Firstly,cluster was realized,which was to capture the changes of group behavior attributes,such as forming,mergering and spliting.Then,sensors were selected,which were expected to contribute to the group area sensor activation,and the sensors were used for group tracking.Scene simulation was in a square area of 1 000 m ×1 000 m with 500 randomly deployed sensors.The effectiveness of the proposed method was verified by the simulation results.Compared with Kalman,energy-effective node selection (EENS) method and the improved dynamic cluster (IDC) method,the tracking precision of proposed method was higher.And because of the number of activate sensors was less,the computational time was less,the network lifetime had been improved significantly.

Key words: wireless sensor network, target tracking, multi-sensor, predictive clustering, multi-group, tracking accuracy

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