Matrix analysis
Jamming games in fast-fading wireless channels
International Journal of Autonomous and Adaptive Communications Systems
Correlated jamming on MIMO Gaussian fading channels
IEEE Transactions on Information Theory
Filtered multitone modulation for very high-speed digital subscriber lines
IEEE Journal on Selected Areas in Communications
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Orthogonal frequency division multiplexing (OFDM) has been chosen as the physical layer solution for a large variety of emerging and future wireless networks, due to its robustness in coping with frequency selective channels and efficient transceiver implementation. Its adoption in the transmission architecture should therefore be properly taken into account when designing or analyzing security solutions at the physical layer. We consider a jamming game with OFDM transmission, that is a zero-sum game between transmitter/receiver and jammer where the payoff function is the mutual information between the transmitted and received symbols, and we assume complete knowledge of the channel states and uncorrelated jamming. By establishing similarity with a MIMO Gaussian channel we evaluate the payoff function at the Nash equilibrium and derive the optimal signaling strategies to be implemented by the transmitter and the jammer.