On the Secrecy Rate of Spatial Modulation-Based Indoor Visible Light Communications

Jin-Yuan Wang; Hong Ge; Min Lin; Jun-Bo Wang; Jianxin Dai; Mohamed-Slim Alouini

doi:10.1109/jsac.2019.2929403

On the Secrecy Rate of Spatial Modulation-Based Indoor Visible Light Communications

Jin-Yuan Wang, Hong Ge, Min Lin, Jun-Bo Wang, Jianxin Dai, Mohamed-Slim Alouini

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

39 Scopus citations

Abstract

In this paper, we investigate the physical-layer security for a spatial modulation (SM)-based indoor visible light communication (VLC) system, which includes multiple transmitters, a legitimate receiver, and a passive eavesdropper (Eve). At the transmitters, the SM scheme is employed, i.e., only one transmitter is active at each time instant. To choose the active transmitter, a uniform selection (US) scheme is utilized. Two scenarios are considered: one is with non-negativity and average optical intensity constraints and the other is with non-negativity, average optical intensity, and peak optical intensity constraints. Then, lower and upper bounds on the secrecy rate are derived for these two scenarios. Besides, the asymptotic behaviors for the derived secrecy rate bounds at high signal-to-noise ratio (SNR) are analyzed. To further improve the secrecy performance, a channel adaptive selection (CAS) scheme and a greedy selection (GS) scheme are proposed to select the active transmitter. Numerical results show that the lower and upper bounds of the secrecy rate are tight. At high SNR, small asymptotic performance gaps exist between the derived lower and the upper bounds. Moreover, the proposed GS scheme has the best performance, followed by the CAS scheme and the US scheme.

Original language	English (US)
Pages (from-to)	2087-2101
Number of pages	15
Journal	IEEE Journal on Selected Areas in Communications
Volume	37
Issue number	9
DOIs	https://doi.org/10.1109/jsac.2019.2929403
State	Published - Sep 17 2019

Bibliographical note

KAUST Repository Item: Exported on 2021-03-05
Acknowledgements: This work was supported in part by the National Natural Science Foundation of China under Grant 61701254 and Grant 61571115, in part by the Natural Science Foundation of Jiangsu Province under Grant BK20170901, in part by the Key International Cooperation Research Project under Grant 61720106003, and in part by the Open Research Fund of the Key Lab of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, under Grant JZNY201706 and Grant JZNY201701.

ASJC Scopus subject areas

Computer Networks and Communications
Electrical and Electronic Engineering

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10.1109/jsac.2019.2929403

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title = "On the Secrecy Rate of Spatial Modulation-Based Indoor Visible Light Communications",

abstract = "In this paper, we investigate the physical-layer security for a spatial modulation (SM)-based indoor visible light communication (VLC) system, which includes multiple transmitters, a legitimate receiver, and a passive eavesdropper (Eve). At the transmitters, the SM scheme is employed, i.e., only one transmitter is active at each time instant. To choose the active transmitter, a uniform selection (US) scheme is utilized. Two scenarios are considered: one is with non-negativity and average optical intensity constraints and the other is with non-negativity, average optical intensity, and peak optical intensity constraints. Then, lower and upper bounds on the secrecy rate are derived for these two scenarios. Besides, the asymptotic behaviors for the derived secrecy rate bounds at high signal-to-noise ratio (SNR) are analyzed. To further improve the secrecy performance, a channel adaptive selection (CAS) scheme and a greedy selection (GS) scheme are proposed to select the active transmitter. Numerical results show that the lower and upper bounds of the secrecy rate are tight. At high SNR, small asymptotic performance gaps exist between the derived lower and the upper bounds. Moreover, the proposed GS scheme has the best performance, followed by the CAS scheme and the US scheme.",

author = "Jin-Yuan Wang and Hong Ge and Min Lin and Jun-Bo Wang and Jianxin Dai and Mohamed-Slim Alouini",

note = "KAUST Repository Item: Exported on 2021-03-05 Acknowledgements: This work was supported in part by the National Natural Science Foundation of China under Grant 61701254 and Grant 61571115, in part by the Natural Science Foundation of Jiangsu Province under Grant BK20170901, in part by the Key International Cooperation Research Project under Grant 61720106003, and in part by the Open Research Fund of the Key Lab of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, under Grant JZNY201706 and Grant JZNY201701.",

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AU - Alouini, Mohamed-Slim

N1 - KAUST Repository Item: Exported on 2021-03-05 Acknowledgements: This work was supported in part by the National Natural Science Foundation of China under Grant 61701254 and Grant 61571115, in part by the Natural Science Foundation of Jiangsu Province under Grant BK20170901, in part by the Key International Cooperation Research Project under Grant 61720106003, and in part by the Open Research Fund of the Key Lab of Broadband Wireless Communication and Sensor Network Technology, Nanjing University of Posts and Telecommunications, Ministry of Education, under Grant JZNY201706 and Grant JZNY201701.

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N2 - In this paper, we investigate the physical-layer security for a spatial modulation (SM)-based indoor visible light communication (VLC) system, which includes multiple transmitters, a legitimate receiver, and a passive eavesdropper (Eve). At the transmitters, the SM scheme is employed, i.e., only one transmitter is active at each time instant. To choose the active transmitter, a uniform selection (US) scheme is utilized. Two scenarios are considered: one is with non-negativity and average optical intensity constraints and the other is with non-negativity, average optical intensity, and peak optical intensity constraints. Then, lower and upper bounds on the secrecy rate are derived for these two scenarios. Besides, the asymptotic behaviors for the derived secrecy rate bounds at high signal-to-noise ratio (SNR) are analyzed. To further improve the secrecy performance, a channel adaptive selection (CAS) scheme and a greedy selection (GS) scheme are proposed to select the active transmitter. Numerical results show that the lower and upper bounds of the secrecy rate are tight. At high SNR, small asymptotic performance gaps exist between the derived lower and the upper bounds. Moreover, the proposed GS scheme has the best performance, followed by the CAS scheme and the US scheme.

AB - In this paper, we investigate the physical-layer security for a spatial modulation (SM)-based indoor visible light communication (VLC) system, which includes multiple transmitters, a legitimate receiver, and a passive eavesdropper (Eve). At the transmitters, the SM scheme is employed, i.e., only one transmitter is active at each time instant. To choose the active transmitter, a uniform selection (US) scheme is utilized. Two scenarios are considered: one is with non-negativity and average optical intensity constraints and the other is with non-negativity, average optical intensity, and peak optical intensity constraints. Then, lower and upper bounds on the secrecy rate are derived for these two scenarios. Besides, the asymptotic behaviors for the derived secrecy rate bounds at high signal-to-noise ratio (SNR) are analyzed. To further improve the secrecy performance, a channel adaptive selection (CAS) scheme and a greedy selection (GS) scheme are proposed to select the active transmitter. Numerical results show that the lower and upper bounds of the secrecy rate are tight. At high SNR, small asymptotic performance gaps exist between the derived lower and the upper bounds. Moreover, the proposed GS scheme has the best performance, followed by the CAS scheme and the US scheme.

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On the Secrecy Rate of Spatial Modulation-Based Indoor Visible Light Communications

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