10 January 2018 Chaos-based CAZAC scheme for secure transmission in OFDM-PON
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To effectively resist malicious eavesdropping and performance deterioration, a novel chaos-based secure transmission scheme is proposed to enhance the physical layer security and reduce peak-to-average power ratio (PAPR) in orthogonal frequency division multiplexing passive optical network (OFDM-PON). By the randomly extracting operation of common CAZAC values, the specially-designed constant amplitude zero autocorrelation (CAZAC) is created for system encryption and PAPR reduction enhancing the transmission security. This method is verified in ~10-Gb/s encrypted OFDM-PON with 20-km fiber transmission. Results show that, compared to common OFDM-PON, our scheme achieves ~3-dB PAPR reduction and ~1-dB receiver sensitivity improvement.
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Xiaosong Fu, Xiaosong Fu, Meihua Bi, Meihua Bi, Xuefang Zhou, Xuefang Zhou, Guowei Yang, Guowei Yang, Yang Lu, Yang Lu, Miao Hu, Miao Hu, } "Chaos-based CAZAC scheme for secure transmission in OFDM-PON", Proc. SPIE 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 106170B (10 January 2018); doi: 10.1117/12.2295069; https://doi.org/10.1117/12.2295069

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