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Physical-Layer Security With Optical Generalized Space Shift Keying

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Date
2020
Author
Panayırcı, Erdal
Yeşilkaya, Anıl
Çoğalan, Tezcan
Poor, H. Vincent
Haas, Harald
Abstract
Spatial modulation (SM) is a promising technique that reduces inter-channel interference while providing high power efficiency and detection simplicity. In order to ensure the secrecy of SM, precoding and friendly jamming are widely adopted in the literature. However, neither of those methods can take advantage of SM. In this paper, a novel spatial constellation design (SCD) technique is proposed to enhance the physical layer security (PLS) of optical generalized space shift keying (GSSK), which can retain some benefits of SM. Due to the lack of small-scale fading, the quasi-static characteristics of the optical channel is used to tailor the received signal at the legitimate user's (Bob's) side. The PLS of the system is guaranteed by the appropriate selection of the power allocation coefficients for randomly activated light emitting diodes (LEDs). With the aid of Bob's channel state information at the transmitter, the bit error ratio (BER) of Bob is minimized while the BER performance of the potential eavesdroppers (Eves) is significantly degraded. Monte-Carlo simulation results show that the proposed SCD-zero forcing precoding (ZFP) forces Eve to experience a BER of around 0.5 by outperforming both the conventional and ZFP based GSSK for all practical signal-to-noise-ratio regimes and Bob-Eve separations.

Source

Ieee Transactıons on Communıcatıons

Issue

5

Volume

68

Pages

3042-3056

URI

https://doi.org/10.1109/TCOMM.2020.2969867
https://hdl.handle.net/20.500.12469/3504

Collections

  • Araştırma Çıktıları / Scopus [1565]
  • Araştırma Çıktıları / WOS [1518]
  • Elektrik-Elektronik Mühendisliği / Electrical - Electronics Engineering [321]

Keywords

Precoding
Optical transmitters
Jamming
Security
MIMO communication
Receivers
Integrated optics
PHY layer security
optical wireless communications (OWC)
generalized space shift keying (GSSK)
Multiple-input multiple-output (MIMO) channels
Secrecy capacity

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DSpace software copyright © 2002-2015  DuraSpace
Contact Us | Send Feedback
Theme by 
@mire NV