Secrecy-Rate Balancing for Two-User MISO Interference Channels

Author

Jiqing Ni ; Kai-Kit Wong ; Zesong Fei ; Chengwen Xing ; Haixia Chen ; Kin-Fai Tong ; Jingming Kuang

Author_Institution

Sch. of Inf. & Electron., Beijing Inst. of Technol., Beijing, China

Volume

3

Issue

1

fYear

2014

fDate

Feb-14

Firstpage

6

Lastpage

9

Abstract

This paper considers a two-user multiple-input single-output (MISO) interference channel with confidential messages (IFC-CM), where the beamforming vectors at the two transmitters are jointly optimized using the closed-form Pareto-optimal parameterization. We show that coordinated beamforming is secrecy-rate optimal which is achieved by agreeing on the parameters between the two transmitters. We first analyze the feasible set of the beamforming parameters that guarantees positiveness of the secrecy rates. We then derive a quadratic relationship that finds the Pareto-optimal parameters to achieve secrecy-rate balancing beamforming.

Keywords

Gaussian channels; Pareto optimisation; array signal processing; multiuser channels; radio networks; radiofrequency interference; telecommunication security; vectors; IFC-CM; beamforming parameters; beamforming vectors; closed-form Pareto-optimal parameterization; confidential messages; coordinated beamforming; quadratic relationship; secrecy-rate balancing beamforming; secrecy-rate optimal; two-user MISO interference channel; two-user multiple-input single-output interference channel; Array signal processing; Equations; Interference channels; Nickel; Signal to noise ratio; Vectors; Wireless communication; Coordinated beamforming; Interference channel; MISO; Secrecy-rate balancing;

fLanguage

English

Journal_Title

Wireless Communications Letters, IEEE

Publisher

ieee

ISSN

2162-2337

Type

jour

DOI

10.1109/WCL.2013.092013.130473

Filename

6648517