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Adaptive Forwarding Rate Control for Network Coding in the Tactical MANET


In this paper, we propose a novel multicast network coding protocol that is resilience to jamming attack in a tactical wireless ad hoc network. Wireless communication is prevailed in the tactical field between military agents and vehicles, but it is fragile by jamming attack from an adversary due to the wireless shared medium. A Jammer can easily disturb other wireless communications within radio range continuously emitting radio signal. Channel switching over multiple channels or route detouring have been proposed to restore communication from jamming attacks, but they require a special radio system or knowledge of network topology. We exploit packet redundancy in network coding coping with jamming. Our scheme dynamically changes the level of redundancy adapting to channel condition locally. Say, in normal situation, it decreases a forwarding rate to save resources, but an intermediate node injects more encoded packets while jamming attack occurs. We provide performance evaluations of resiliency and efficiency of the new scheme via simulation study.

Paper: PDF file of paper
Slides: PPT file of slides

Information & Date

In Annual Conference of ITA 2009 (ACITA 09), Adelphi, MD, September. 2009


Soon Young Oh
Mario Gerla