Abstract
Wireless jamming attacks have recently been a subject of several researches, due to the exposed nature of the wireless medium. This paper studies the anti-jamming resistance in the presence of several attackers. Two kind of jammers are considered, smart jammers which have the ability to sense the legitimate signal power and regular jammers which don’t have this ability. An Anti Multi-Jamming based Power Control problem modeled as a non-zero-sum Game is suggested to study how the transmitter can adjust its signal power against several jamming attacks. A closed-form expression of Nash Equilibrium is derived when players actions are taken simultaneously. In addition, a Stackelberg Equilibrium closed-form expression is derived when the hierarchical behavior between the transmitter and jammers is assumed. Simulation results show that the proposed scheme can enhance the anti-jamming-resistance against several attackers. Furthermore, this study proves that on the transmitter side, the most dangerous jammer is considered to have the highest ratio between channel gain and jamming cost. Finally, based on the Q-Learning technique, the transmitter can learn autonomously without knowing the patterns of attackers.
Highlights
The massive use of wireless approaches has led to the proliferation of a multitude of new services that are becoming increasingly important for everybody
Two kind of jammers are considered, regular jammers that are not able to sense the legitimate signal power and smart jammers that operate in jamming when they sense a transmission on the channel and has the ability to learn the ongoing signal powers, this kind of jammer can adjust its own transmission power to lengthen its battery life
Based on the Corollary 2, it’s clear that, the transmitter gains in terms of power in the presence of smart jammers, whereas, it gains in terms of SINR in the presence of regular jammers
Summary
The massive use of wireless approaches has led to the proliferation of a multitude of new services that are becoming increasingly important for everybody. In order to investigate the impact of the several jammers presence on the transmitter behavior, this paper considers the battle between the transmitter and several jammers within a single sub-carrier; the case of multi sub-carriers will be addressed in future research. This battle is modeled as an Anti Multi-Jamming based Power Control game model (AMJPC), where the transmission power is defined as a strategy of players.
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