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Improved HEED Based Trust Routing Algorithm for WSNs
Abstract:
In Wireless Sensor Networks (WSNs), besides the energy efficient, trust and Quality of Service (QoS) supported should be considered under some circumstances. All of them unveil additional challenges for routing scheme design. Based on Hybrid Energy - Efficient Distributed clustering (HEED) protocol, this paper presents a trust QoS routing algorithm for WSNs. Hierarchical structure is adopted and the trust value of the node is constructed by the direct trust value and the indirect trust value. In HEED, the combination of the trust value and residual energy as the main parameter and the propagation delay as the secondary parameter. The former guarantees the credibility of the data transmission, and the latter ensures the load balance of the entire network. Compared to typical routing algorithms of sensor networks, the proposed algorithm has better performance.
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4405-4408
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July 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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