This paper considers a parallel wireless network in which multiple individuals exchange confidential information through independent sender-receiver links. An eavesdropper can intercept encrypted information through a degraded channel of each sender-receiver link. A friendly jammer, by applying interference to the eavesdropping channels, can increase the level of secrecy of the network. The optimal power allocation strategy of the friendly jammer under a power constraint is derived. A convex optimization model is used when all channels are under the threat of an eavesdropping attack and a non-zero sum game model is analyzed when the eavesdropper can only attack a limited quantity of channels.
CITATION STYLE
Xu, Z., & Baykal-Gürsoy, M. (2021). A Friendly Interference Game in Wireless Secret Communication Networks. In Communications in Computer and Information Science (Vol. 1354 CCIS, pp. 25–37). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-87473-5_4
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