Computer Science ›› 2017, Vol. 44 ›› Issue (2): 152-156.doi: 10.11896/j.issn.1002-137X.2017.02.023

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Improved Algorithm for Uneven Clustering Routing

WANG Lei, XIE Wan-wan, LIU Zhi-zhong and QI Jun-yan   

  • Online:2018-11-13 Published:2018-11-13

Abstract: It is presented that an improved algorithm focuses on the “hot zone” problem for uneven cluster-based routing protocol in wireless sensor networks.This paper explored the cluster head selection scheme and clustering Multi-hop routing algorithm.The specific solutions include the threshold value setting and the calculation of an uneven clustering competition radius in the clustering competition stage.Furthermore,two parameters are added to network energy cost formula,and they are the number of candidate relay nodes which used as a forwarding node of the cluster and the number of cluster members in the multi-hop routing phase.The paper compared the protocol with improvement algorithm to EEUC protocol and LEACH protocol by simulation method.The results show that the algorithm prolongs the lifetime of the network and balances network energy consumption.And the proposed scheme is an effective solution for the hot zone problem in wireless sensor networks.

Key words: Wireless sensor networks,Hot zone,Uneven cluster,Multi-hop,Routing algorithm

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