吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (6): 1720-1725.

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Energy-efficient data gathering algorithm for wireless sensor networks

YANG Jing1,2, XIONG Wei-li1, QIN Ning-ning1, ZHAO Wei3, XU Bao-guo1   

  1. 1.School of Communication and Control Engineering, Jiangnan University, Wuxi 214122, China|2.Electrical Engineering College, Guizhou University, Guiyang 550025, China|3.Department of Electrical Engineering, Tsinghua University, Beijing 100084, China
  • Received:2010-03-08 Online:2011-11-01 Published:2011-11-01

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Abstract:

An Energy-Efficient Data Gathering Algorithm (EEDGA) is proposed for monitoring events in a kind of reactive Wireless Sensor Networks (WSNs). First, EEDGA selects a clusterhead according to the correlation and residual energy among the nodes located in the event area. Then, EEDGA utilizes ant colony algorithm to form a chain of data gathering inside the cluster. EEDGA also proposes a simple method to reduce the energy consumption by choosing active nodes according to the demand of measuring accuracy. Simulation results show that the proposed EEDGA can achieve higher energy efficiency and longer network lifetime than that of the traditional routing algorithm.

Key words: automatic control technology, wireless sensor networks (WSNs), data gathering, cluster, ant colony algorithm

CLC Number: 

  • TP212.9
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