Shafi Bashar

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This work investigates the effect of finite-alphabet input constraint on the secrecy rate of a multi-antenna wiretap channel. Existing works have characterized maximum achievable secrecy rate or secrecy capacity for single and multiple antenna systems based on Gaussian source signals and secrecy code. Despite the impracticality of Gaussian sources, the(More)
—We investigate the problem of eavesdropping control in wireless communications networks. When a confidential message is transmitted through a wireless network, there is a potential security breach or 'information leakage' due to the network's susceptibility to eavesdropping. In this work, we quantify the information leakage problem in the context of(More)
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