Efficient Protective Jamming in 2D SINR Networks.

This paper studies how intentional jamming can be used for selective hiding communication in the 2D Signal-to-Interference-plus-Noise-Ratio (SINR) model. We aim to place a set of additional jamming stations to generate interference that blocks all the signals in a specified restricted area, i.e., by making the SINR value of the genuine stations’ signal below a pre-defined threshold. We aim to optimize the accuracy of the jamming strategy by minimizing the impact of the jamming stations on the area of desired genuine communication while jamming the signals in the given restricted zone. We present solutions in various network settings for uniform and non-uniform networks. As a secondary aim, we try to minimize the total energy of the jamming stations. Among others, we show that, surprisingly, it is possible to jam arbitrarily large areas by jammers using total energy arbitrarily close to zero. Our contribution is an extension of recent results for the same problem in the 1D SINR network. Let us stress, however, that a 2D environment is closer to real-life settings. Still, the 2D model turned out to be much more complex in analysis (even for the most uncomplicated cases) and required a different approach to constructing algorithms.