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Sensors 2016, 16(9), 1465; doi:10.3390/s16091465

A Survey on Node Clustering in Cognitive Radio Wireless Sensor Networks

Department of Information and Communication Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Geongbuk 38541, Korea
Author to whom correspondence should be addressed.
Academic Editor: Kemal Akkaya
Received: 13 June 2016 / Revised: 24 August 2016 / Accepted: 6 September 2016 / Published: 10 September 2016
(This article belongs to the Section Sensor Networks)
View Full-Text   |   Download PDF [1374 KB, uploaded 10 September 2016]   |  


Cognitive radio wireless sensor networks (CR-WSNs) have attracted a great deal of attention recently due to the emerging spectrum scarcity issue. This work attempts to provide a detailed analysis of the role of node clustering in CR-WSNs. We outline the objectives, requirements, and advantages of node clustering in CR-WSNs. We describe how a CR-WSN with node clustering differs from conventional wireless sensor networks, and we discuss its characteristics, architecture, and topologies. We survey the existing clustering algorithms and compare their objectives and features. We suggest how clustering issues and challenges can be handled. View Full-Text
Keywords: node clustering; cognitive radio; cognitive radio wireless sensor networks node clustering; cognitive radio; cognitive radio wireless sensor networks

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Joshi, G.P.; Kim, S.W. A Survey on Node Clustering in Cognitive Radio Wireless Sensor Networks. Sensors 2016, 16, 1465.

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