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Research articles

ScienceAsia 40S(2014): 8-15 |doi: 10.2306/scienceasia1513-1874.2014.40S.008

Optimal malicious agreement protocol for cluster-based wireless sensor networks

Kuo-Qin Yana, Shu-Ching Wangb,*, Chin-Shan Pengb, Shun-Sheng Wangc

ABSTRACT:     A wireless sensor network (WSN) is a distributed system that comprises thousands of sensor nodes and a sink. The sensor nodes communicate with other sensor nodes by using broadcast in the WSN and this leads to a severe problem. Hence many researchers proposed cluster schemes to prevent the broadcast storm. Cluster-based wireless sensor networks (CWSNs) have been studied more recently. In order to increase the capability of the fault-tolerance and reliability of CWSNs, the Byzantine agreement problem is revisited. A protocol for achieving the task of agreement between nodes in a CWSN is proposed in this paper. The proposed protocol is referred to as the optimal agreement protocol and is demonstrated to make each healthy node reach an agreement value to cope with the influence from faulty components in the CWSN.

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a Department of Business Administration, Chaoyang University of Technology, Taiwan
b Department of Information Management, Chaoyang University of Technology, Taiwan
c Department of Industrial Engineering and Management, Chaoyang University of Technology, Taiwan

* Corresponding author, E-mail: scwang@cyut.edu.tw

Received 13 Feb 2014, Accepted 0 0000