School of Computer Science and Technology, Shandong University, Jinan, China.P.R.

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Abstract—As a kind of typical embedded system, MANET is a multi-hop self-configuring network with the topology changes dynamically. To model of the security, mobility, and dynamic changes of MANET, trust is used as a novel concept recently. In this paper, based on the classic fuzzy theory, the trust evaluation and the dynamic routing protocols for MANET are represented, to give the modeling of MANET with the fuzzy inference rules, and to improve the routing protocols with fuzzy dynamic programming. The experiments with OPNET show that the novel fuzzy trusted DSR protocols can reduce the Packet Drop Ratio and enhance the throughput with the acceptable End to End Delay in MANET.

Index Terms—embedded system, trust routing of MANET, fuzzy trust evaluation, trust modeling with fuzzy logic, fuzzy dynamic programming, fuzzy trusted DSR

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Cite: Hongjun Dai, Zhiping Jia and Zhiwei Qin, "Trust Evaluation and Dynamic Routing Decision Based on Fuzzy Theory for MANETs," Journal of Software vol. 4, no. 10, pp. 1091-1101, 2009.