A Square-Constellation-Based M-Ary DCSK Communication System

被引：58

作者：

Cai, Guofa ^{[1
]}

Fang, Yi ^{[1
]}

Han, Guojun ^{[1
]}

Lau, Francis C. M. ^{[2
]}

Wang, Lin ^{[3
]}

机构：

[1] Guangdong Univ Technol, Sch Informat Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Hong Kong, Hong Kong, Peoples R China

[3] Xiamen Univ, Dept Commun Engn, Xiamen 361005, Peoples R China

来源：

IEEE ACCESS | 2016年 / 4卷

关键词：

M-ary differential chaos-shift-keying (M-DCSK); symbol error rate; peak-to-average-power ratio (PAPR); multipath Rayleigh fading channel; PERFORMANCE ANALYSIS; CHAOTIC COMMUNICATIONS; CHANNEL; DESIGN;

D O I：

10.1109/ACCESS.2016.2612224

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a square-constellation-based M-ary differential chaos-shift-keying (M-DCSK) communication system framework is proposed. The symbol-error-rate expression of the proposed system is derived over additive white Gaussian noise as well as multipath Rayleigh fading channels. Moreover, the peak-to-average-power-ratio (PAPR) performance is carefully analyzed for the newly proposed system. Based on the square-constellation-based M-DCSK framework, a simple least-square estimator is designed to demodulate the information exploiting pilot-assistant symbols. Analytical and simulated results show that the proposed system benefits from a lower energy consumption, but suffers from a higher PAPR compared with the circle-constellation-based M-DCSK system.

引用

页码：6295 / 6303

页数：9

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