瑞利衰落信道中二维扩频多载波系统的性能分析

International Conference on Communication Technology Proceedings, 2003. ICCT 2003. Pub Date : 2003-04-09 DOI:10.1109/ICCT.2003.1209902

Mingqi Li, Q. Peng, Yulin Liu

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引用次数: 1

摘要

目前，一维扩频(1DSS)技术被广泛应用，如在DS-CDMA系统中，而唐有锡[2002年ICCCAS会刊]提出了一种新的列正交二维扩频(2D SS)技术。本文对这种二维扩频技术进行了详细的描述，并进行了严格的表示。基于二维SS技术，讨论了加性高斯白噪声的瑞利衰落信道下的正交多载波通信系统。推导了该通信系统误码率性能的封闭表达式。数值结果表明，该二维SS多载波系统具有低信噪比的优点。

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Performance analysis of a two dimensional spread spectrum multicarrier system in Rayleigh fading channel

1-dimensional spread spectrum (1DSS) technology is widely used nowadays, such as in the DS-CDMA system, while a new column-orthogonal two dimension spread spectrum technique (2D SS) is proposed in Youxi Tang [Proceeding of ICCCAS 2002]. In this paper, we describe this kind of two dimensional spread spectrum technique in detail and represent it strictly. Based on the 2D SS technique, we discuss the orthogonal multicarrier communication system under Rayleigh fading channel with an additive white Gaussian noise. A closed-form expression of the bit error rate performance of this communication system is derived. Numerical result of the performance of this 2D SS multicarrier system shows its advantage in low signal noise ratio.

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International Conference on Communication Technology Proceedings, 2003. ICCT 2003.

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