基于MMSE均衡的块扩频OFDM旋转扩频矩阵分析研究

2008 3rd International Conference on Information and Communication Technologies: From Theory to Applications Pub Date : 2008-04-07 DOI:10.1109/ICTTA.2008.4530237

I. Raad, Xiaojing Huang

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引用次数: 5

摘要

本文对分组扩频OFDM的新型扩频矩阵旋转扩频矩阵进行了分析研究，并在MMSE方程中模拟了误码率性能。在(I. Raad et al.， 2006)中，提出了一种新的用于块扩展OFDM (BSOFDM)的扩展矩阵，称为旋转扩展矩阵。结果表明，在超宽带和慢衰落信道等选频信道中，该方法大大改进了现有的Hadamard矩阵和旋转Hadamard矩阵等扩频矩阵。本文利用该矩阵研究了在BSOFDM中增加块大小的效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analytical Study of the Rotation Spreading Matrix of Block Spread OFDM with MMSE Equalization

This paper presents an analytical study on the new spreading matrix for block spread OFDM known as the rotation spreading matrix and simulates the BER performance in the MMSE equation. In (I. Raad et al., 2006) a new spreading matrix was presented for block spread OFDM (BSOFDM) known as the rotation spreading matrix. It was shown to greatly improve on the existing spreading matrices such as the Hadamard and the rotated Hadamard matrices in frequency selective channels such as the ultra wide band and slow fading channels. This paper studies the effect of increasing the block size in BSOFDM using this new matrix.

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2008 3rd International Conference on Information and Communication Technologies: From Theory to Applications

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