Energy-Aware E-STAR Protocol for Heterogeneous Multihop Wireless Sensor Networks

International Journal of Computer Science (IJCS) Published by SK Research Group of Companies (SKRGC)

Abstract

In multihop wireless networks, when a mobile node wants to communicate with a destination, it relies on the other nodes to forward the packets. This multihop packet transmission can extend the network coverage area using limited power and improve area distance efficiency. In the proposed multihop wireless network E-STAR integrates the payment and trust systems with the routing protocol with the goal of enhancing route reliability and stability. The payment system describes to charge the nodes that send packets and reward those forwarding packets. The trust system is important to evaluate the nodes’ trustworthiness and reliability in forwarding packets in terms of multi-dimensional trust values and the trust values are calculated for each node and developed two routing protocol is used to send the packets through highly trusted nodes having sufficient energy to minimize the possibility of breaking the route. To strengthen the trust evaluation, recommendation from each node is included in trust calculation by TP (Trusted Party). This protocol is implemented over the MANET network and simulated using NS2. Performance evaluated from the parameters such as packet delivery ratio, call acceptance ratio and route lifetime.

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Keywords

Securing heterogeneous multihop wireless networks, packet dropping , trust systems, and secure routing protocols