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In this paper, we study the terminal-pair reliability in grid networks. An area switched tactical communication system such as ATN (Army Tactical Network) involve large number of nodes, and of links. The resulting huge number of possible combinations of node and link failures makes it difficult to perform quantitative analysis for system survivability assessments in terms of multi-hop connectivity,...
The impact of a jamming attack on wireless communication depends on a number of physical characteristics and network protocol parameters. In particular, it depends on the relative geometries of the adversarial network of jammers and the network under attack. Hence, changes in network geometry achieved through node and jammer mobility can have significant influence on the impact of a jamming attack...
Jamming attack by adversaries is the critical threat in Network Centric Warfare that uses tactical wireless networks. Thus research on developing new networking protocols that are resilient to such attacks are of high importance. Geocasting is a prominent routing mechanism in tactical networks to send critical messages such as alarm about chemical attack, guerrilla detection etc, to the nodes within...
Wireless sensor networks (WSNs) are highly susceptible to jamming attacks due to their resource limitations. In WSN architecture, the Base Station (BS) is a single point of failure, because it collects sensor readings and performs command and control tasks. So BSs are main targets of the jamming attack. For mitigating the effects of BS jamming attacks, we propose a hybrid model of defense, which combines...
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