On the impact of dynamic jamming on end-to-end delay in linear wireless networks

The effectiveness and straightforward implementation of jammers make them an essential security threat for wireless networks. In particular, in order to increase the battery lifetime of the jammers and add spatial and temporal randomness to the jamming signal, it is advantageous for the adversaries to use duty cycling strategies. In this case, the state of each wireless link is governed by the dynamics of multiple stochastic jammers affecting each link. Since it is possible that each jammer can interrupt communication over multiple links, the up-down dynamics of different links can be spatially and/or temporally correlated. Dynamic networks have been considered widely in the literature; however, most analyses have ignored these challenging dependencies. In this paper, we consider communication over a linear network in the presence of duty cycling jammers. We model the process associated to each link in both slotted time and continuous-time regimes, and evaluate the exact end-to-end latency of the network in each case.