Physical Layer Encryption for CO-OFDM Systems Enabled by Camera Projection Scrambler

Yujin Li, Dongfei Wang (), Haiyang Ding, Zhenzhen Li and Xiangqing Wang
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Yujin Li: School of Information Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
Dongfei Wang: School of Information Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
Haiyang Ding: School of Information Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
Zhenzhen Li: School of Information Engineering, Beijing Institute of Graphic Communication, Beijing 102600, China
Xiangqing Wang: School of Physics and Electronic Engineering, Fuyang Normal University, Fuyang 236037, China

Mathematics, 2024, vol. 12, issue 12, 1-8

Abstract: In this paper, we propose a camera projection approach to enhance the physical layer security of coherent optical orthogonal frequency division multiplexing (CO-OFDM) systems. The data are converted to the new location by the camera projection module in the encryption system, where the 5D hyperchaotic system provides the keys for the camera projection module. The simulated 16QAM CO-OFDM security system over 80 km SSMF is shown to provide a key space of about 9 × 10 90 through the five-dimensional (5D) hyperchaotic system, making it impossible for eavesdroppers to obtain valid information, and the peak-to-average power ratio (PAPR) is reduced by about 0.8 dB.

Keywords: CO-OFDM; 5D hyperchaotic; camera projection; physical layer encryption (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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