A gradual solution to detect selfish nodes in mobile ad hoc networks
by Djamel Djenouri, Nadjib Badache
International Journal of Wireless and Mobile Computing (IJWMC), Vol. 4, No. 4, 2010

Abstract: The resource limitation of nodes forming ad hoc networks along with the multi-hop nature of these networks rise a new problem. To preserve its energy a node may behave selfishly and would not forward packets for others, while using their services and consuming their resources. This paper presents a new monitoring solution that mitigates limitations of the watchdog-based monitoring, upon which rely most of the state-of-the-art solutions. The overhead of the proposed solution, termed Two-hop acknowledgment, is gradually decreased through the use of the lower layer acknowledgments (piggybacking), as well as aggregations.

Online publication date: Thu, 07-Oct-2010

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