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Adaptive Trust-Based Routing Protocol for Large Scale WSNs

شروع موضوع توسط Hossein Ranjbaran ‏30/1/20 در انجمن الگوریتم های امنیتی مبتنی بر اعتماد

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  1. Administrator
    Hossein Ranjbaran
    کاربر ویژه
    تاریخ عضویت:
    ‏3/10/13
    ارسال ها:
    1,034
    تشکر شده:
    197
    Due to the dynamic and uncertain behaviors of nodes in Wireless Sensor Networks (WSNs), reliable data delivery becomes challenging task. With the absence of global information and centralised decision maker, the nodes in distributed WSNs need to rely on the surrounding nodes. This reliance requires the nodes to select the most reliable partner to work with in relaying the packets. Thus, the evaluation criteria and evaluation process has become a crucial agenda. Recent approaches adopt the concept of trust in selecting the next forwarder. However, most of them are restricted to certain criteria and the evaluation are conducted for single node. Inefficient consideration on the factors involved and inability to have wider view of the network could lead to inaccurate selection of forwarder, which eventually causes packet loss or re-transmission that consumes more resources. In this paper, we present an Adaptive Trust-based Routing Protocol (ATRP) that encompasses direct trust, indirect trust, and witness trust that considers multiple factors (resources and security) in its trustworthiness using pairwise comparison. The proposed mechanism allows further evaluations on more potential nodes, at several hops that helps to balance the energy consumption and prolong the network lifetime. Simulation results demonstrate longer lifetime, less delay, less packet loss and low energy consumption when compared to existing protocols.​

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