Sum secrecy rate in MISO full-duplex wiretap channel with imperfect CSI

Vishwakarma, Sanjay ; Chockalingam, A. (2015) Sum secrecy rate in MISO full-duplex wiretap channel with imperfect CSI In: 2015 IEEE Globecom Workshops (GC Wkshps), 6-10 December 2015, San Diego, CA, USA.

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Official URL: http://ieeexplore.ieee.org/document/7414075/

Related URL: http://dx.doi.org/10.1109/GLOCOMW.2015.7414075

Abstract

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 or Workshop Item (Paper)
Source:Copyright of this article belongs to Institute of Electrical and Electronics Engineers.
ID Code:102126
Deposited On:24 Mar 2017 11:30
Last Modified:24 Mar 2017 11:30

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