A Large Anti-Jamming Cooperation Scheme in the Presence of Jammers Sensitive to Sensing Errors

Abstract

Due to the broadcast nature of the wireless medium, mechanisms are needed to deal with the problem of jamming attacks. This paper proposes a Large Anti-Jamming Cooperation scheme, in which, several anti-jammers are considered to help a secondary user sending signal to the receiver side in the presence of smart jamming attacks. A hierarchical behavior among players is considered to derive the Stackelberg Equilibrium (SE) closed form. At SE, we proved that on the transmitter side, the cumulative attacks are perceived as a single attack from the jammer that has the highest Jamming Efficiency Ratio, likewise, the cumulative anti-attacks are observed as a single reaction from the anti-jammer having the highest Cooperation Efficiency Ratio. On the other hand, anti-jammers that share the highest ratio are active and cooperate with each other while the remaining anti-jammers are inactive. Finally, by means of simulation results we have clearly showed that the transmitter can efficiently enhance its communication performance in the presence of several jamming attacks, especially when the inability of jammers to sense signal powers perfectly is considered.