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Sum Secrecy Rate in MISO Full-Duplex Wiretap Channel with Imperfect CSI

Vishwakarma, Sanjay and Chockalingam, A (2015) Sum Secrecy Rate in MISO Full-Duplex Wiretap Channel with Imperfect CSI. In: IEEE Globecom Workshops (GC Wkshps), DEC 06-10, 2015, San Diego, CA.

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In this paper, we consider the achievable sum secrecy rate in MISO (multiple-input-single-output) full-duplex wiretap channel in the presence of a passive eavesdropper and imperfect channel state information (CSI). We assume that the users participating in full-duplex communication have multiple transmit antennas, and that the users and the eavesdropper have single receive antenna each. The users have individual transmit power constraints. They also transmit jamming signals to improve the secrecy rates. We obtain the achievable perfect secrecy rate region by maximizing the worst case sum secrecy rate. We also obtain the corresponding transmit covariance matrices associated with the message signals and the jamming signals. Numerical results that show the impact of imperfect CSI on the achievable secrecy rate region are presented.

Item Type: Conference Proceedings
Additional Information: Copy right of this article belongs to the IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Depositing User: Id for Latest eprints
Date Deposited: 22 Oct 2016 07:16
Last Modified: 22 Oct 2016 07:16
URI: http://eprints.iisc.ac.in/id/eprint/54763

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