Multicomponent Secure Transmission Based on GMFRFT With Imperfect CSI

Heng Dong; Xiaojie Fang; Xuejun Sha; Liang Yan; Zhuoming Li

doi:10.1109/LCOMM.2022.3202647

Multicomponent Secure Transmission Based on GMFRFT With Imperfect CSI

Heng Dong
, Xiaojie Fang
, Xuejun Sha
, Liang Yan
, Zhuoming Li^*

^*Corresponding author for this work

School of Electronics and Information Engineering

Science and Technology on Communication Networks Laboratory
Beijing Institute of Control and Electronic Technology
Peng Cheng Laboratory

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

2 Scopus citations

Abstract

In this letter, a robust multi-component secure transmission scheme based on general multi-fractional Fourier transform (GMFRFT) with imperfect channel state information (CSI) is proposed and analyzed. The scheme combines signal and spatial domains for transmitted components design, aiming at degrading the wiretap channel utilizing the energy distribution characteristics of GMFRFT. The inter-component interference is only formed at the eavesdropper because of the broken GMFRFT signal, and its effect is similar to artificial noise (AN). Considering the problem of AN leakage in traditional AN-based scheme under imperfect CSI, the proposed scheme does not consume extra power and can further improve the secrecy performance when the available spatial degrees of freedom are limited. Numerical results are carried out to demonstrate the secrecy performance of the proposed scheme.

Original language	English
Pages (from-to)	2860-2864
Number of pages	5
Journal	IEEE Communications Letters
Volume	26
Issue number	12
DOIs	https://doi.org/10.1109/LCOMM.2022.3202647
State	Published - 1 Dec 2022

Keywords

General multi-fractional Fourier transform (GMFRFT)
imperfect channel state information (CSI)
multi-component transmission
physical-layer security (PLS)

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10.1109/LCOMM.2022.3202647

Cite this

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title = "Multicomponent Secure Transmission Based on GMFRFT With Imperfect CSI",

abstract = "In this letter, a robust multi-component secure transmission scheme based on general multi-fractional Fourier transform (GMFRFT) with imperfect channel state information (CSI) is proposed and analyzed. The scheme combines signal and spatial domains for transmitted components design, aiming at degrading the wiretap channel utilizing the energy distribution characteristics of GMFRFT. The inter-component interference is only formed at the eavesdropper because of the broken GMFRFT signal, and its effect is similar to artificial noise (AN). Considering the problem of AN leakage in traditional AN-based scheme under imperfect CSI, the proposed scheme does not consume extra power and can further improve the secrecy performance when the available spatial degrees of freedom are limited. Numerical results are carried out to demonstrate the secrecy performance of the proposed scheme.",

keywords = "General multi-fractional Fourier transform (GMFRFT), imperfect channel state information (CSI), multi-component transmission, physical-layer security (PLS)",

author = "Heng Dong and Xiaojie Fang and Xuejun Sha and Liang Yan and Zhuoming Li",

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year = "2022",

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doi = "10.1109/LCOMM.2022.3202647",

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AU - Dong, Heng

AU - Fang, Xiaojie

AU - Sha, Xuejun

AU - Yan, Liang

AU - Li, Zhuoming

PY - 2022/12/1

Y1 - 2022/12/1

N2 - In this letter, a robust multi-component secure transmission scheme based on general multi-fractional Fourier transform (GMFRFT) with imperfect channel state information (CSI) is proposed and analyzed. The scheme combines signal and spatial domains for transmitted components design, aiming at degrading the wiretap channel utilizing the energy distribution characteristics of GMFRFT. The inter-component interference is only formed at the eavesdropper because of the broken GMFRFT signal, and its effect is similar to artificial noise (AN). Considering the problem of AN leakage in traditional AN-based scheme under imperfect CSI, the proposed scheme does not consume extra power and can further improve the secrecy performance when the available spatial degrees of freedom are limited. Numerical results are carried out to demonstrate the secrecy performance of the proposed scheme.

AB - In this letter, a robust multi-component secure transmission scheme based on general multi-fractional Fourier transform (GMFRFT) with imperfect channel state information (CSI) is proposed and analyzed. The scheme combines signal and spatial domains for transmitted components design, aiming at degrading the wiretap channel utilizing the energy distribution characteristics of GMFRFT. The inter-component interference is only formed at the eavesdropper because of the broken GMFRFT signal, and its effect is similar to artificial noise (AN). Considering the problem of AN leakage in traditional AN-based scheme under imperfect CSI, the proposed scheme does not consume extra power and can further improve the secrecy performance when the available spatial degrees of freedom are limited. Numerical results are carried out to demonstrate the secrecy performance of the proposed scheme.

KW - General multi-fractional Fourier transform (GMFRFT)

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KW - multi-component transmission

KW - physical-layer security (PLS)

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DO - 10.1109/LCOMM.2022.3202647

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SP - 2860

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JO - IEEE Communications Letters

JF - IEEE Communications Letters

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Multicomponent Secure Transmission Based on GMFRFT With Imperfect CSI

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Keywords

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