吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (02): 435-0441.

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Improved DVHop localization algorithm based on regularly moving anchor(RMAN) and received signal strength indicator(RSSI) and its performance analysis

LI Rui-xue1,2, FANG Zhi-yi1,2, YI Ting-ting1,2   

  1. 1.College of Computer Science and Technology, Jilin University, Changchun 130012, China|2.Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
  • Received:2010-01-11 Published:2011-03-01

Abstract:

The defects of DVHop localization were analyzed. Then a new localization algorithm called RRDVHop was proposed. This algorithm is based on the Regularly Moving Anchor Node (RMAN) and RSSI assisting positioning to improve DVHop algorithm. Using OMNET++ as the simulation platform, simulation results of the two algorithms were compared and analyzed in the respects of average localization accuracy, cost and stability. It was shown that under the same network condition, compared with DVHop, RRDVHop achieves approximate uniform distribution of anchors, improves average positioning accuracy and keeps better stability in randomly distributed network. Meanwhile, it uses less anchor nodes, hence reduces hardware cost of the network. Therefore, the proposed RRDVHop localization algorithm is more suitable for randomly distributed wireless sensor network.

Key words: computer systems organization, moving anchor nodes, received signal strength indicator(RSSI), localization accuracy

CLC Number: 

  • TP393
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