Resilient cluster leader election for wireless sensor networks
SECON'09 Proceedings of the 6th Annual IEEE communications society conference on Sensor, Mesh and Ad Hoc Communications and Networks
SWCA: a secure weighted clustering algorithm in wireless ad hoc networks
WCNC'09 Proceedings of the 2009 IEEE conference on Wireless Communications & Networking Conference
Survey Secure and reliable clustering in wireless sensor networks: A critical survey
Computer Networks: The International Journal of Computer and Telecommunications Networking
A survivability model in wireless sensor networks
Computers & Mathematics with Applications
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Sensor nodes are often organized into clusters to facilitate many network operations such as data aggregation. Clustering has to be protected in hostile environments. Otherwise, an attacker can easily mislead a cluster-based application by attacking the clustering protocol. This paper proposes three techniques for resilient cluster formation. The simple neighbor validation provides a simple yet effective way to validate a sensor's neighbors; the priority-based selection organizes clusters based on the sensor's priority of being a cluster head; and the centralized detection further enhances the security by detecting misbehaving nodes. Another appealing benefit of this protocol is that a sensor node can make a clustering decision immediately once the neighborhood information is available. This further increases the difficulty of attacking the clustering protocol. The analysis also shows that the proposed protocol is efficient and effective in dealing with attacks.