Robust outage secrecy rate optimizations for a MIMO secrecy channel

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Robust outage secrecy rate optimizations for a MIMO secrecy channel. / Chu, Zheng; Cumanan, Kanapathippillai ; Ding, Zhiguo et al.
In: IEEE Wireless Communications Letters, Vol. 4, No. 1, 2374611, 02.2015, p. 86-89.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Chu, Z, Cumanan, K , Ding, Z, Johnston, M & Le Goff, S 2015, 'Robust outage secrecy rate optimizations for a MIMO secrecy channel', IEEE Wireless Communications Letters, vol. 4, no. 1, 2374611, pp. 86-89. https://doi.org/10.1109/LWC.2014.2374611

APA

Chu, Z., Cumanan, K., Ding, Z., Johnston, M., & Le Goff, S. (2015). Robust outage secrecy rate optimizations for a MIMO secrecy channel. IEEE Wireless Communications Letters, 4(1), 86-89. Article 2374611. https://doi.org/10.1109/LWC.2014.2374611

Vancouver

Chu Z, Cumanan K , Ding Z, Johnston M, Le Goff S. Robust outage secrecy rate optimizations for a MIMO secrecy channel. IEEE Wireless Communications Letters. 2015 Feb;4(1):86-89. 2374611. Epub 2014 Nov 26. doi: 10.1109/LWC.2014.2374611

Author

Chu, Zheng ; Cumanan, Kanapathippillai ; Ding, Zhiguo et al. / Robust outage secrecy rate optimizations for a MIMO secrecy channel. In: IEEE Wireless Communications Letters. 2015 ; Vol. 4, No. 1. pp. 86-89.

Bibtex

@article{b9c4a633d04b470581f8f78ace98e7b6,

title = "Robust outage secrecy rate optimizations for a MIMO secrecy channel",

abstract = "This letter investigates robust secrecy rate optimization techniques for a multiple-input-multiple-output (MIMO) wiretap channel in the presence of a multiantenna eavesdropper. In particular, two robust secrecy rate optimization problems are studied: robust power minimization with an outage secrecy rate constraint and robust secrecy rate maximization subject to the outage secrecy rate and transmit power constraints. Here, it is assumed that the legitimate transmitter has perfect channel state information (CSI) of the legitimate receiver and imperfect CSI of the eavesdropper. Both robust problems are not convex in terms of transmit covariance matrix and the outage secrecy rate constraint. Hence, we propose a conservative approximation approach to reformulate this outage secrecy rate constraint by exploiting the Bernstein-type inequality to obtain a tractable solution for these two robust problems. Numerical results have been provided to validate the convergence and the performance of the proposed robust algorithms.",

keywords = "Bernstein-type inequality, convex optimization, MIMO system, outage secrecy rate, physical-layer secrecy",

author = "Zheng Chu and Kanapathippillai Cumanan and Zhiguo Ding and Martin Johnston and {Le Goff}, St{\'e}phane",

year = "2015",

month = feb,

doi = "10.1109/LWC.2014.2374611",

language = "English",

volume = "4",

pages = "86--89",

journal = "IEEE Wireless Communications Letters",

issn = "2162-2337",

publisher = "IEEE Communications Society",

number = "1",

}

RIS

TY - JOUR

T1 - Robust outage secrecy rate optimizations for a MIMO secrecy channel

AU - Chu, Zheng

AU - Cumanan, Kanapathippillai

AU - Ding, Zhiguo

AU - Johnston, Martin

AU - Le Goff, Stéphane

PY - 2015/2

Y1 - 2015/2

N2 - This letter investigates robust secrecy rate optimization techniques for a multiple-input-multiple-output (MIMO) wiretap channel in the presence of a multiantenna eavesdropper. In particular, two robust secrecy rate optimization problems are studied: robust power minimization with an outage secrecy rate constraint and robust secrecy rate maximization subject to the outage secrecy rate and transmit power constraints. Here, it is assumed that the legitimate transmitter has perfect channel state information (CSI) of the legitimate receiver and imperfect CSI of the eavesdropper. Both robust problems are not convex in terms of transmit covariance matrix and the outage secrecy rate constraint. Hence, we propose a conservative approximation approach to reformulate this outage secrecy rate constraint by exploiting the Bernstein-type inequality to obtain a tractable solution for these two robust problems. Numerical results have been provided to validate the convergence and the performance of the proposed robust algorithms.

AB - This letter investigates robust secrecy rate optimization techniques for a multiple-input-multiple-output (MIMO) wiretap channel in the presence of a multiantenna eavesdropper. In particular, two robust secrecy rate optimization problems are studied: robust power minimization with an outage secrecy rate constraint and robust secrecy rate maximization subject to the outage secrecy rate and transmit power constraints. Here, it is assumed that the legitimate transmitter has perfect channel state information (CSI) of the legitimate receiver and imperfect CSI of the eavesdropper. Both robust problems are not convex in terms of transmit covariance matrix and the outage secrecy rate constraint. Hence, we propose a conservative approximation approach to reformulate this outage secrecy rate constraint by exploiting the Bernstein-type inequality to obtain a tractable solution for these two robust problems. Numerical results have been provided to validate the convergence and the performance of the proposed robust algorithms.

KW - Bernstein-type inequality

KW - convex optimization

KW - MIMO system

KW - outage secrecy rate

KW - physical-layer secrecy

U2 - 10.1109/LWC.2014.2374611

DO - 10.1109/LWC.2014.2374611

M3 - Journal article

AN - SCOPUS:84923886792

VL - 4

SP - 86

EP - 89

JO - IEEE Wireless Communications Letters

JF - IEEE Wireless Communications Letters

SN - 2162-2337

IS - 1

M1 - 2374611

ER -

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