NDLI: A Sink-Oriented Layered Clustering Protocol for Wireless Sensor Networks

Content Provider	IEEE Xplore Digital Library
Author	Wang, Bang Lim, Hock Beng Ma, Di Yang, Daiqin
Copyright Year	2010
Abstract	Clustering is an effective technique to prolong network lifetime for energy-constrained wireless sensor networks. Due to the many-to-one traffic pattern in a multi-hop network, the nodes closer to the sink also help to relay data for those farther away from the sink, and hence they consume much more energy and tend to die faster. This paper proposes a sink oriented layered clustering (SOLC) protocol to better balance energy consumption among nodes with different distances to the sink. In SOLC, the sensor field is divided into concentric rings, and the SOLC protocol consists of intra-ring clustering and inter-ring routing. We compute the optimal ring width and the numbers of cluster heads in different rings to balance energy consumption between intra-cluster data processing and intercluster data relaying. Cluster heads in a ring closer to the sink has smaller sizes than those in the rings farther away from the sink, and hence they can spend less energy for intra-cluster data processing and more energy for inter-cluster data relay. Simulation results show that the SOLC protocol can outperform several existing clustering protocols in terms of improved network lifetime.
Starting Page	78
Ending Page	86
File Size	395689
Page Count	9
File Format	PDF
ISBN	9781424491100
DOI	10.1109/PDCAT.2010.70
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-12-08
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Energy consumption Protocols Wireless sensor networks Routing Relays Sensors Aggregates wireless sensor network clustering routing energy efficiency network lifetime
Content Type	Text
Resource Type	Article

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