OFDM信号无线通信的峰均功率比降低技术性能分析

2010 International Conference on Advances in Recent Technologies in Communication and Computing Pub Date : 2010-10-16 DOI:10.1109/ARTCOM.2010.83

P. Sharma, A. Basu

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引用次数: 27

摘要

正交频分复用技术(OFDM)具有抗多径衰落的鲁棒性，目前在宽带无线传输中得到了广泛的研究。然而，OFDM信号具有高峰值平均功率比(PAPR)的问题，因此，功率放大器必须精心制造以具有线性输入输出特性或具有大输入功率回退。本文从计算复杂度、带宽扩展、频谱溢出和性能等方面对几种重要的PAPR降低技术进行了比较。

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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Performance Analysis of Peak-to-Average Power Ratio Reduction Techniques for Wireless Communication Using OFDM Signals

Orthogonal Frequency Division Multiplexing (OFDM) has been currently under intense research for broadband wireless transmission due to its robustness against multipath fading. However OFDM signals have a problem with high Peak-to-Average power ratio (PAPR) and thus, a power amplifier must be carefully manufactured to have a linear input-output characteristic or to have a large input power back-off. In this paper, some of the important PAPR reduction techniques have been compared based on computational complexity, bandwidth expansion, spectral spillage and performance.

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2010 International Conference on Advances in Recent Technologies in Communication and Computing

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