非线性MU-OFDM-DCSK通信系统性能分析

2019 IEEE 10th Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON) Pub Date : 2019-10-01 DOI:10.1109/UEMCON47517.2019.8993039

Chenbo Wang, Liang Hao, Baoji Wang, Jianhua Zhang, Yiming Lei

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引用次数: 1

摘要

研究了考虑功率放大器非线性失真的多用户正交频分复用(OFDM)差分混沌移位键控(DCSK)系统的误码率性能。首先，建立了非线性MU-OFDM-DCSK系统模型。其次，解析导出了误码率性能的近似表达式。结果表明，当工作点扫描时，误码率函数有一个下界。最后，讨论了线性系统和非线性系统参数扫描时的误码率性能。

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Performance Analysis for Nonlinear MU-OFDM-DCSK Communication Systems

This paper investigates the bit error rate (BER) performance of the multiuser (MU) orthogonal frequency division multiplexing (OFDM) differential chaos shift keying (DCSK) system when the nonlinear distortion of power amplifiers is considered. Firstly, a nonlinear MU-OFDM-DCSK system model is established. Secondly, the close-form expression of BER performance is analytically derived. It is found that, BER function has a lower bound as operating point sweeps. Finally, the BER performance in linear and nonlinear systems are discussed when the system parameters sweep.

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来源期刊

2019 IEEE 10th Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON)

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