Models in frequency-hopping-based proactive jamming mitigation for space communication networks

Dan Shen; Genshe Chen; Khanh Pham; Erik Blasch; Zhi Tian

doi:10.1117/12.918726

24 May 2012 Models in frequency-hopping-based proactive jamming mitigation for space communication networks

Dan Shen, Genshe Chen, Khanh Pham, Erik Blasch, Zhi Tian

Author Affiliations +

Proceedings Volume 8385, Sensors and Systems for Space Applications V; 83850P (2012) https://doi.org/10.1117/12.918726
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

In this paper, we consider a cognitive radio based space communication system in a game-theoretical framework, where players dynamically interact through wireless channels to utilize the wideband spectrum for their objectives. The performance indices include data rate, covertness, jamming, and anti-jamming; each of which relate to an effective signal-nose-ratio (SNR). The game players have different intents and asymmetric and hierarchical information about the frequency spectrum which are modeled as three different types of players: primary users, secondary users, and hostile active jammers. We consider the informational asymmetry in two situations: (1) different information sets for friendly users and jammers and (2) even among the friendly sensors; some sensors may only have partial or little information about others due to jammed observations. Such an asymmetric information pattern naturally partitions the sensors into leaders and followers. In our hierarchical anti-jammer approach, a two level approach includes a pursuit-evasion game and a Stackelberg game. At the higher-level, a non-cooperative pursuit-evasion game is constructed to model the interactions between jammer and primary users in the frequency-location domains. At the lower level, primary and secondary users play a dynamic Stackelberg game in the presence of jammers. Theoretical game solutions are provided to demonstrate the proposed proactive jamming mitigation strategy.

Citation Download Citation

Dan Shen, Genshe Chen, Khanh Pham, Erik Blasch, and Zhi Tian "Models in frequency-hopping-based proactive jamming mitigation for space communication networks", Proc. SPIE 8385, Sensors and Systems for Space Applications V, 83850P (24 May 2012); https://doi.org/10.1117/12.918726

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