Optimal Full-Rank Signaling over MIMO Wiretap Channels under Interference Constraint

Sergey Loyka; Limeng Dong

doi:10.1109/LWC.2018.2793264

Optimal Full-Rank Signaling over MIMO Wiretap Channels under Interference Constraint

Sergey Loyka, Limeng Dong

School of Electronics and Information

University of Ottawa

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

A closed-form full-rank solution for an optimal transmit covariance matrix over a strictly degraded MIMO wiretap channel and its secrecy capacity are obtained under an interference constraint, in addition to the transmit power constraint. A number of its properties are pointed out. The regimes when one of the constraints is inactive are studied. The interference constraint affects significantly the optimal covariance and induces its new properties, which cannot be found under the total transmit power constraint only.

Original language	English
Article number	8258986
Pages (from-to)	534-537
Number of pages	4
Journal	IEEE Wireless Communications Letters
Volume	7
Issue number	4
DOIs	https://doi.org/10.1109/LWC.2018.2793264
State	Published - Aug 2018

Keywords

interference
MIMO
secrecy capacity
wiretap channel

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10.1109/LWC.2018.2793264

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abstract = "A closed-form full-rank solution for an optimal transmit covariance matrix over a strictly degraded MIMO wiretap channel and its secrecy capacity are obtained under an interference constraint, in addition to the transmit power constraint. A number of its properties are pointed out. The regimes when one of the constraints is inactive are studied. The interference constraint affects significantly the optimal covariance and induces its new properties, which cannot be found under the total transmit power constraint only.",

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Optimal Full-Rank Signaling over MIMO Wiretap Channels under Interference Constraint

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Keywords

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