학술논문
A Novel Probabilistic Shaping Based Chaotic Encryption for VLC Systems
Document Type
Conference
Author
Source
2023 Asia Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM) Communications and Photonics Conference/2023 International Photonics and Optoelectronics Meetings (ACP/POEM), 2023 Asia. :01-05 Nov, 2023
Subject
Language
Abstract
Visible light communication (VLC) suffers from eavesdropping due to its broadcast nature and channel openness in public areas. In this paper, we propose a low-rate loss distribution matching to generate shaped symbols, further employing chaotic sequences to encrypt symbols. Numerical results show that the proposed scheme outperforms constant component distribution matching (CCDM)-based probabilistic shaping and conventional direct current-biased optical orthogonal frequency division multiplexing (DCO-OFDM) scheme in terms of both bit error rate (BER) and general mutual information (GMI). The proposed scheme enjoys the benefit of the large key space of 10 65 , which can prevent almost any violent attacks.