Orthogonal Differential Chaos Shift Keying Communication Scheme Based on Walsh Code

doi:10.13190/jbupt.201206.20.yangh

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2012, Vol. 35 ›› Issue (6): 20-24.doi: 10.13190/jbupt.201206.20.yangh

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Orthogonal Differential Chaos Shift Keying Communication Scheme Based on Walsh Code

YANG Hua, JIANG Guo-ping

1. College of Electronic Science and Engineering, Nanjing University of Posts and Telecommunications, Nanjing 210003, China;2. College of Automation, Nanjing University of Posts and Telecommunications, Nanjing 210003, China

Received:2012-03-18 Revised:2012-04-20 Online:2012-12-28 Published:2013-01-07
Contact: Hua Yang E-mail:yangh@njupt.edu.cn

Abstract

Abstract:

A new chaotic communication scheme named orthogonal differential chaos shift keying (ODCSK) is presented for ultra wide bandwidth (UWB) application. The proposed scheme can overcome the disadvantages existing in code-shifted differential chaos shift keying (CS-DCSK), demonstrating desirable features of higher attainable data transmission rate, shows better communication privacy and higher reliability. Analysis and simulation reveal that ODCSK shows better bit error rate performance in comparison to CS-DCSK with certain signal noise ratio levels and spreading factors.

Key words: orthogonal differential chaos shift keying, Walsh code, chaos, bit error rate

CLC Number:

TN92

YANG Hua, JIANG Guo-ping. Orthogonal Differential Chaos Shift Keying Communication Scheme Based on Walsh Code[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2012, 35(6): 20-24.

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Orthogonal Differential Chaos Shift Keying Communication Scheme Based on Walsh Code

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