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A chaotic modified-DFT encryption scheme for physical layer security and PAPR reduction in OFDM-PON

机译：一种用于OFDM-PON中物理层安全性和PAPR降低的混沌DFT加密方案

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摘要

This letter proposes a modified discrete Fourier transform (DFT) encryption scheme with multi-dimensional chaos for the physical layer security and peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing passive optical network (OFDM-PON) system. This multiple-fold encryption algorithm is mainly composed by using the column vectors permutation and the random phase encryption in the standard DFT matrix, which can create similar to 10(551) key space. The transmission of similar to 10 Gb/s encrypted OFDM signal is verified over 20-km standard single mode fiber (SMF). Moreover, experimental results show that, the proposed scheme can achieve similar to 2.6-dB PAPR reduction and similar to 1-dB improvement of receiver sensitivity if compared with the common OFDM-PON.
机译：这封信提出了一种改进的具有多维混沌的离散傅里叶变换（DFT）加密方案，用于正交频分复用无源光网络（OFDM-PON）系统中的物理层安全性和峰均功率比（PAPR）降低。这种多重加密算法主要由标准DFT矩阵中的列向量置换和随机相位加密组成，可创建类似于10（551）的密钥空间。通过20公里标准单模光纤（SMF）验证了类似于10 Gb / s加密OFDM信号的传输。此外，实验结果表明，与普通的OFDM-PON相比，该方案可以实现2.6 dB PAPR的降低和1 dB接收机灵敏度的提高。

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  • 来源
    《Optical fiber technology》 |2018年第5期|126-131|共6页
  • 作者

    Fu Xiaosong; Bi Meihua; Zhou Xuefang; Yang Guowei; Li Qiliang; Zhou Zhao; Yang Xuelin;

  • 作者单位

    Hangzhou Dianzi Univ, Sch Commun Engn, Xiasha Gaojiaoyuan 2rd St, Hangzhou 310018, Zhejiang, Peoples R China;

    Hangzhou Dianzi Univ, Sch Commun Engn, Xiasha Gaojiaoyuan 2rd St, Hangzhou 310018, Zhejiang, Peoples R China;

    Hangzhou Dianzi Univ, Sch Commun Engn, Xiasha Gaojiaoyuan 2rd St, Hangzhou 310018, Zhejiang, Peoples R China;

    Hangzhou Dianzi Univ, Sch Commun Engn, Xiasha Gaojiaoyuan 2rd St, Hangzhou 310018, Zhejiang, Peoples R China;

    Hangzhou Dianzi Univ, Sch Commun Engn, Xiasha Gaojiaoyuan 2rd St, Hangzhou 310018, Zhejiang, Peoples R China;

    State Grid Hunan Elect Power Co, Informat & Commun Co, Changsha 410000, Hunan, Peoples R China;

    Shanghai Jiao Tong Univ, Dept Elect Engn, State Key Lab Adv Opt Commun Syst & Networks, 800 Dongchuan Rd, Shanghai 200240, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Modified chaotic DFT; PAPR reduction; OFDM-PON; Chaos encryption;

    机译：改进的混沌DFT;PAPR降低;OFDM-PON;混沌加密;

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