Secure and private NOMA VLC using OFDM with two-level chaotic encryption

Yanbing Yang, Chen Chen, Wei Zhang, X. Deng, Pengfei Du, Helin Yang, Wen-De Zhong, Liangyin Chen

Research output: Contribution to journalArticleAcademicpeer-review

27 Citations (Scopus)
218 Downloads (Pure)


In this paper, we propose and demonstrate a secure and private non-orthogonal multiple access (NOMA) based visible light communication (VLC) system. Orthogonal frequency division multiplexing (OFDM) modulation is applied in the system and a two-level chaotic encryption scheme is further implemented, which can guarantee both the security of legitimate users against eavesdroppers and the privacy among all the legitimate users. An experimental demonstration with two legitimate users and one eavesdropper successfully verifies the feasibility of the proposed secure and private NOMA VLC system. To the best of our knowledge, it is the first time that simultaneous security and privacy improvement is considered for NOMA VLC systems.

Original languageEnglish
Pages (from-to)34031-34042
Number of pages12
JournalOptics Express
Issue number26
Publication statusPublished - 24 Dec 2018


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