NDLI: Structure and performance analysis of an SαS-based digital modulation system

Content Provider	IET Digital Library
Author	Xu, Zhi Jiang Wang, Kang Gong, Yi Lu, Wei Dang Hua, Jing Yu
Abstract	In this study, the parameter of a symmetric α-stable (SαS) noise sequence is modulated by the binary message sequence to achieve a secure communication system. The characteristic exponent ‘α’ of an SαS noise sequence carries the binary information. In order to recover the binary message sequence at the receiver, the authors propose a logarithmic moments estimator to estimate the characteristic exponent ‘α’ of the transmitted noise sequence. The optimal decision threshold and the minimum theoretical bit error ratio are derived. It is shown that the simulation results of the presented logarithmic moments estimator are consistent with the analytical results. Moreover, this estimator shows better performance and lower computational complexity than the conventional SINC estimator based on the fractional low-order moment method.
Starting Page	1329
Ending Page	1339
Page Count	11
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 11, Jul (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0761
Journal	IET Communications
Publisher Date	2016-07-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Binary Message Sequence Computational Complexity Decision Theory Error Statistics Fractional Low-order Moment Method Game Theory Logarithmic Moment Estimator Minimum Theoretical Bit Error Ratio Modulation Modulation And Coding Method Optimal Decision Threshold Secure Communication System Sequence SINC Estimator Symmetric Α-stable Noise Sequence SαS-based Digital Modulation System Telecommunication Security
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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