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Vol. 142, No. 7, July 2012, pp. 23-32

 

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Comparative Analysis of Energy-efficient Cluster-based Routing Protocols for Wireless Sensor Networks

 

1 Naveen Kumar V and 2 Santhi Prabha I

1 Department of Electronics and Instrumentation Engineering, Gitam Institute of Technology,

GITAM University, Visakhapatnam, Andhra Pradesh, India-530 045

2Department of Electronics and Communication Engineering,

Jawaharlal Nehru Technological University Kakinada, Kakinada, Andhra Pradesh, India-533003

E-mail:1 vegenaveen@yahoo.co.in,2 santiprabha@yahoo.com

 

Received: 16 March 2012   /Accepted: 23 July 2012   /Published: 31 July 2012

Digital Sensors and Sensor Sysstems

 

Abstract: Wireless sensor networks continue to get tremendous popularity, as evidenced by the increasing number of applications. Sophistication of wireless communications had enabled the development of low-cost, low-power wireless sensor networks (WSNs) with wide applicability, including environment and vehicle-health monitoring system. WSN reduce the energy consumption and hence maximize the lifetime of the network which are the key requirements in the design of optimum sensor networking protocols and algorithms. The limiting factors of the sensor nodes, such as their finite energy supplies and their moderate processing abilities, as well as the unreliable wireless medium restrict the performance of wireless sensor networks. Several routing protocols with different objectives have been proposed for energy-efficient WSNs applications. This article surveys a sample of existing energy-efficient cluster-based protocols PEGASIS, LEACH, EEHC, HEED, DWEHC, BMA, BCDCP, THEEM and highlights their key features, including merits and limitations.

 

Keywords: Wireless sensor networks, Routing protocols, Energy-efficient cluster-based protocols

 

 

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