Wireless sensor networks: a survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
Energy-Efficient Communication Protocol for Wireless Microsensor Networks
HICSS '00 Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 8 - Volume 8
HEED: A Hybrid, Energy-Efficient, Distributed Clustering Approach for Ad Hoc Sensor Networks
IEEE Transactions on Mobile Computing
An application-specific protocol architecture for wireless microsensor networks
IEEE Transactions on Wireless Communications
Shortest hop multipath algorithm for wireless sensor networks
Computers & Mathematics with Applications
An energy-efficient adaptive clustering algorithm with load balancing for wireless sensor network
International Journal of Sensor Networks
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Clustering is an effective technique for improving the energy efficiency and prolonging the network lifetime of a Wireless Sensor Network (WSN). Although it has been widely investigated, most of the studies are based simplified channel conditions and simple computer simulations using tools such as NS-2 and OPNET. It is highly desired that the algorithms proposed for WSN are studied in real network environment and using practical devices so that the obtained results provide a better guideline for real applications. In this paper, we study the implementation of distributed clustering protocols in WSNs. The performance of two popular schemes, HEED and HIDCA protocols, are studied using an emulation approach. It is further verified through our experimental work using Mica2 sensor devices from the Crossbow Technology Inc. Our results demonstrate the working of clustering algorithms in practical small scale networked sensor systems. It also confirms the superior performance of the HEED algorithm over HIDCA in terms of power consumption and network lifetime.