Trust and Reputation based Secure Opportunistic Routing Protocol for WSN

Abstract

Reliable and efficient data routing, that helps the data to reach its destination, remains the bottom line of research problem in Wireless Sensor Network (WSN). Hence, an efficient Opportunistic Routing (OR) protocol is needed that not only increase the throughput and reliability of WSN but also enhances the network durability. The management of trust and reputation is vital for enhancing the reliability of the WSNs. Trust methods help in finding the most reliable node in the network. The reputation method helps the nodes in transmitting data on the most secure and reliable path. This paper provides a new OR-protocol that is based on the Trust and Reputation of nodes. The proposed OR calculates the trust value of each node and this helps in identifying the malicious node present in the network. These malicious nodes are rejected and not take part in the communication process. Thus, helps in protecting the network from malicious nodes. The proposed protocol has been compared with TPBOR, TLAR and TAEROR like existing protocols. The simulation results show that the proposed protocol has improved the packet delivery ratio and reduces the end to end delay.

Keywords: Opportunistic Routing, Routing, Security attacks, Wireless Sensor Networks