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Transitive trust methods for routing in WSNs

The goal of this paper is to introduce two trust methods for routing in wireless sensor networks. The two methods consider transitivity of trust. When computing routing trust value, we use optimistic and pessimistic ways respectively. These trust methods can select a trust routing for precise data transmission. Simulations for optimistic method show the trust model has a higher performance than ECCR in data precision during the transmission between source node and destination.