Security scheme in IMDD-OFDM-PON system with the chaotic pilot interval and scrambling

被引：12
作者：
Chen, Qianghua [1 ]
Bi, Meihua [1 ,2 ]
Fu, Xiaosong [1 ]
Lu, Yang [1 ]
Zeng, Ran [1 ]
Yang, Guowei [1 ]
Yang, Xuelin [2 ]
Xiao, Shilin [2 ]
机构：
[1] Hangzhou Dianzi Univ, Sch Commun Engn, Xiasha Gaojiaoyuan 2rd St, Hangzhou 310018, Zhejiang, Peoples R China
[2] Shanghai Jiao Tong Univ, Dept Elect Engn, State Key Lab Adv Opt Commun Syst & Networks, 800 Dongchuan Rd, Shanghai 200240, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2018年 / 407卷
关键词：
Chaotic encryption; IMDD-OFDM-PON; Random pilot interval; Pilot data permutation;
D O I：
10.1016/j.optcom.2017.09.058
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, a random chaotic pilot interval and permutations scheme without any requirement of redundant sideband information is firstly proposed for the physical layer security-enhanced intensity modulation direct detection orthogonal frequency division multiplexing passive optical network (IMDD-OFDM-PON) system. With the help of the position feature of inserting the pilot, a simple logistic chaos map is used to generate the random pilot interval and scramble the chaotic subcarrier allocation of each column pilot data for improving the physical layer confidentiality. Due to the dynamic chaotic permutations of pilot data, the enhanced key space of similar to 10(3303) is achieved in OFDM-PON. Moreover, the transmission experiment of 10-Gb/s 16-QAM encrypted OFDM data is successfully demonstrated over 20-km single-mode fiber, which indicates that the proposed scheme not only improves the system security, but also can achieve the same performance as in the common IMDD-OFDM-PON system without encryption scheme. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：285 / 289
页数：5
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