Chaotic reconfigurable ZCMT precoder for OFDM data encryption and PAPR reduction

被引：11

作者：

Chen, Han ^{[1
]}

Yang, Xuelin ^{[1
]}

Hu, Weisheng ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Dept Elect Engn, Shanghai Inst Adv Commun & Data Sci, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2017年 / 405卷

关键词：

Digital chaos; Zadoff-Chu matrix transform (ZCMT); Orthogonal frequency-division multiplexing (OFDM); Passive optical network (PON); PHYSICAL LAYER SECURITY; SYSTEM;

D O I：

10.1016/j.optcom.2017.07.079

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A secure orthogonal frequency division multiplexing (OFDM) transmission scheme precoded by chaotic Zadoff-Chu matrix transform (ZCMT) is proposed and demonstrated. It is proved that the reconfigurable ZCMT matrices after row/column permutations can be applied as an alternative precoder for peak-to-average power ratio (PAPR) reduction. The permutations and the reconfigurable parameters in ZCMT matrix are generated by a hyper digital chaos, in which a huge key space of similar to 10(800) is created for physical-layer OFDM data encryption. An encrypted data transmission of 8.9 Gb/s optical OFDM signals is successfully demonstrated over 20 km standard single-mode fiber (SSMF) for 16-QAM. The BER performance of the encrypted signals is improved by similar to 2 dB (BER@10(-3)), which is mainly attributed to the effective reduction of PAPR via chaotic ZCMT precoding. Moreover, the chaotic ZCMT precoding scheme requires no sideband information, thus the spectrum efficiency is enhanced during transmission. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：12 / 16

页数：5

共 13 条

[1] An approach for physical layer security enhancement and PAPR reduction in OFDM-PON [J].

Chen, Junxin ;

Zhu, Zhi-liang .

OPTICAL FIBER TECHNOLOGY, 2017, 36 :370-373

[2] POLYPHASE CODES WITH GOOD PERIODIC CORRELATION PROPERTIES [J].

CHU, DC .

IEEE TRANSACTIONS ON INFORMATION THEORY, 1972, 18 (04) :532-+

[3] OFDM for Next-Generation Optical Access Networks [J].

Cvijetic, Neda .

JOURNAL OF LIGHTWAVE TECHNOLOGY, 2012, 30 (04) :384-398

[4]

EFFENBERGER F, 2011, J LIGHTWAVE TECHNOL, V29, P403, DOI DOI 10.1109/JLT.2010.2084989

[5] Chaotic Walsh-Hadamard Transform for Physical Layer Security in OFDM-PON [J].

Hajomer, Adnan A. E. ;

Yang, Xuelin ;

Hu, Weisheng .

IEEE PHOTONICS TECHNOLOGY LETTERS, 2017, 29 (06) :527-530

[6] Chaos-Based Partial Transmit Sequence Technique for Physical Layer Security in OFDM-PON [J].

Hu, Xiaonan ;

Yang, Xuelin ;

Shen, Zanwei ;

He, Hao ;

Hu, Weisheng ;

Bai, Chenglin .

IEEE PHOTONICS TECHNOLOGY LETTERS, 2015, 27 (23) :2429-2432

[7] Chaos-based selected mapping scheme for physical layer security in OFDM-PON [J].

Hu, Xiaonan ;

Yang, Xuelin ;

Hu, Weisheng .

ELECTRONICS LETTERS, 2015, 51 (18) :1429-U40

[8] Physical layer security in CO-OFDM transmission system using chaotic scrambling [J].

Liu, Bo ;

Zhang, Lijia ;

Xin, Xiangjun ;

Yu, Jianjun .

OPTICS COMMUNICATIONS, 2013, 291 :79-86

[9] GENERALIZED CHIRP-LIKE POLYPHASE SEQUENCES WITH OPTIMUM CORRELATION-PROPERTIES [J].

POPOVIC, BM .

IEEE TRANSACTIONS ON INFORMATION THEORY, 1992, 38 (04) :1406-1409

[10] Analysis of a new chaotic system [J].

Qi, GY ;

Chen, GR ;

Du, SZ ;

Chen, ZQ ;

Yuan, ZZ .

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, 2005, 352 (2-4) :295-308

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