Chaotic Arnold transform and chirp matrix encryption scheme for enhancing the performance and security of OFDM-PON

Abstract In this paper, we first propose and experimentally demonstrate an encryption scheme by combining the chaotic Arnold transform (CAT) and chaotic chirp matrix (CCM) techniques in orthogonal frequency division multiplexing passive optical network (OFDM-PON) system to simultaneously enhance physical-layer security and system transmission performance. In this system, the CAT is employed to scramble quadrature amplitude modulation (QAM) symbols in the time-frequency domain, thereby obtaining data encryption. Moreover, the CCM is designed to reduce the peak-to-average power ratio (PAPR) of OFDM signals and further enhance the system security. With these processing techniques, ∼10712 key space can be created to protect against exhaustive trials. A 10-Gb/s encrypted 16-QAM-based OFDM signal transmission is successfully demonstrated over a 20-km single mode fiber (SMF) by experiment. The results show that, our proposed method can achieve ∼2-dB PAPR reduction and ∼1.2-dB sensitivity improvement compared with the common OFDM-based PON system. Therefore, it can be considered a promising candidate for physical security enhancement in future OFDM-PON.

[1]  Weisheng Hu,et al.  Chaotic Walsh–Hadamard Transform for Physical Layer Security in OFDM-PON , 2017, IEEE Photonics Technology Letters.

[2]  Wei Zhang,et al.  Hybrid Chaotic Confusion and Diffusion for Physical Layer Security in OFDM-PON , 2017, IEEE Photonics Journal.

[3]  Qiliang Li,et al.  A chaotic modified-DFT encryption scheme for physical layer security and PAPR reduction in OFDM-PON , 2018 .

[4]  Wei Zhang,et al.  Experimental Demonstration of Security-Enhanced OFDMA-PON Using Chaotic Constellation Transformation and Pilot-Aided Secure Key Agreement , 2017, Journal of Lightwave Technology.

[5]  Weisheng Hu,et al.  Secure OFDM Transmission Precoded by Chaotic Discrete Hartley Transform , 2018, IEEE Photonics Journal.

[6]  Weisheng Hu,et al.  Dynamic QAM Mapping for Physical-Layer Security Using Digital Chaos , 2018, IEEE Access.

[7]  Guoqing Zhao,et al.  Polyphase coded low probability of intercept signals detection and estimation using time-frequency rate distribution , 2016, IET Signal Process..

[8]  Weisheng Hu,et al.  Chaos-based selected mapping scheme for physical layer security in OFDM-PON , 2015 .

[9]  Nikolay V. Kuznetsov,et al.  On differences and similarities in the analysis of Lorenz, Chen, and Lu systems , 2014, Appl. Math. Comput..

[10]  Wei Zhang,et al.  Physical-Enhanced Secure Strategy for OFDMA-PON Using Chaos and Deoxyribonucleic Acid Encoding , 2018, Journal of Lightwave Technology.

[11]  Weisheng Hu,et al.  Chaos-Based Partial Transmit Sequence Technique for Physical Layer Security in OFDM-PON , 2015, IEEE Photonics Technology Letters.

[12]  Mark A. Gregory,et al.  The next generation of passive optical networks: A review , 2016, J. Netw. Comput. Appl..

[13]  Wen-Qin Wang,et al.  Communication-embedded OFDM chirp waveform for delay-Doppler radar , 2017 .

[14]  Lingfeng Liu,et al.  Pseudorandom sequence generator based on the Chen chaotic system , 2013, Comput. Phys. Commun..

[15]  Selami Beyhan,et al.  Runge-Kutta model-based nonlinear observer for synchronization and control of chaotic systems. , 2013, ISA transactions.

[16]  Wei Zhang,et al.  Joint PAPR Reduction and Physical Layer Security Enhancement in OFDMA-PON , 2016, IEEE Photonics Technology Letters.

[17]  Weisheng Hu,et al.  Chaotic Nonlinear Encryption Scheme for CPAs Resistance and PAPR Reduction in OFDM-PON , 2017, IEEE Photonics Technology Letters.

[18]  Guangjun Wen,et al.  Phase Masking and Time-Frequency Chaotic Encryption for DFMA-PON , 2018, IEEE Photonics Journal.

[19]  Wei Zhang,et al.  Physically Secured Optical OFDM-PON by Employing Chaotic Pseudorandom RF Subcarriers , 2017, IEEE Photonics Journal.

[20]  Wei Zhang,et al.  Chaos Coding-Based QAM IQ-Encryption for Improved Security in OFDMA-PON , 2014, IEEE Photonics Technology Letters.

[21]  Chen Chen,et al.  Security enhancement for OFDM-PON using Brownian motion and chaos in cell. , 2018, Optics express.

[22]  M. E. V. Segatto,et al.  A PAPR reduction technique based on a constant envelope OFDM approach for fiber nonlinearity mitigation in optical direct-detection systems , 2012, IEEE/OSA Journal of Optical Communications and Networking.

[23]  Wei Zhang,et al.  Brownian Motion Encryption for Physical-Layer Security Improvement in CO-OFDM-PON , 2017, IEEE Photonics Technology Letters.

[24]  Kwok-Wo Wong,et al.  Period Distribution of Generalized Discrete Arnold Cat Map for $N=p^{e}$ , 2014, IEEE Transactions on Information Theory.

[25]  Qiang Jia,et al.  Hyperchaos generated from the Lorenz chaotic system and its control , 2007 .