Publicação: A New DSP-Based Physical Layer Encryption Technique Applied to Passive Optical Networks
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Ieee
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Trabalho apresentado em evento
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Acesso aberto
Resumo
Point-to-multipoint architecture poses serious security problems to passive optical networks (PONs). In this paper, we propose the use of a new digital signal processing (DSP)-based technique to improve the confidentiality of signals traveling through PONs. The technique consists of phase-shifting and delaying the spectral components of baseband signals that further modulate optical carriers. Our simulation analysis encompasses the application of the technique to binary phase-shift keying (BPSK) in an intensity modulated-direct detection (IM-DD) system. Results reveal that the encrypted signals may be properly decoded even when 64 PON users are considered and suggest the potential of the proposed technique for practical implementations. From a security point of view, we show that the proposed technique utterly outperforms the Advanced Encryption Standard (AES) in brute force attacks.
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physical layer security, digital signal processing, passive optical networks
Idioma
Inglês
Como citar
2018 20th Anniversary International Conference On Transparent Optical Networks (icton). New York: Ieee, 4 p., 2018.
