CCTF: congestion control protocol based on trustworthiness of nodes in Wireless Sensor Networks using fuzzy logic. (29th July 2011)

• Record Type: Journal Article
• Authors: Zarei, Mani; Rahmani, Amir Masoud; Farazkish, Razieh
• Is Part Of: International journal of ad hoc and ubiquitous computing. Volume 8:Number 1/2(2011)
• Page Start: 54
• Page End: 63
• Publication Date: 2011-07-29
• Subjects: WSNs -- wireless sensor networks -- trust -- congestion control -- malicious nodes -- malfunctioning nodes -- FIS -- fuzzy inference system -- membership function -- fuzzified nodes -- node trustworthiness -- wireless networks -- fuzzy logic -- simulation; Ubiquitous computing -- Periodicals; Embedded computer systems -- Periodicals; Electronic data processing -- Distributed processing -- Periodicals; Wireless communication systems -- Periodicals; Computer architecture -- Periodicals; 004.2
• Languages: English
• ISSNs: 1743-8225

Abstract

In Wireless Sensor Networks (WSNs) the existence of malicious nodes is a serious challenge. Malicious nodes increase the traffic by sending distrusted messages. In this paper, we present CCTF: a congestion control protocol based on trustworthiness of nodes in WSNs using fuzzy logic. Through the use of CCTF, each node reduces malfunctioning neighbour(s) effects via dropping valueless packets and increases the buffer capacity; consequently, the chance of network congestion reduces. Simulation results show that when 16% of all nodes are malicious, CCTF increases the packet delivery ratio up to 40% meanwhile it reduces the packet drop ratio nearly 27.5%.