Abstract:This paper considers the scenario where the base station and legitimate user are blocked by obstacles and uses an intelligent reflecting surface (IRS) to assist communication. To improve physical layer security, we model the eavesdropper channel as the Rican channel and establish a mathematical model with the goal of minimizing eavesdropper's rate subject to eavesdropper's outage probability constraint and legitimate user's secrecy rate constraint. The resulting problem is very challenging due to the continuou… Show more
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