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Physical layer security is an emerging security concept that achieves perfect secrecy data transmission between the intended network nodes, while the eavesdropping malicious nodes obtain zero information. The so-called secrecy capacity can be improved using friendly jammers that introduce extra interference to the eavesdropping malicious nodes while the interference to the intended destination is limited. This paper investigates the interaction between the source that transmits the desired data and friendly jammers who assist the source by "Disguising" the eavesdropper.
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