带分组码的加权OFDM无线通信

2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE Cat. No.01CH37233) Pub Date : 2001-08-26 DOI:10.1109/PACRIM.2001.953664

I.A. Tasadduq, R. Rao

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引用次数: 22

摘要

OFDM系统的主要缺点之一是其高峰值平均功率比(PAPR)。我们研究了一些众所周知的线性分组码在降低PAPR方面的潜力。我们提出了一种对码字进行偏置以最小化PAPR的方法。研究了组合加权和分组编码对PAPR的影响。考虑了一类既能纠错又能降低PAPR的分组码以及若干加权函数。我们研究了各种加权函数与分组码的相互作用，以最小化PAPR。仿真结果表明，所提方案显著降低了PAPR。

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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Weighted OFDM with block codes for wireless communication

One of the major disadvantages with OFDM system is its high peak-to-average power ratio (PAPR). We investigate the potential of some of the well known linear block codes in reducing the PAPR. We present a method of biasing the codewords to minimize the PAPR. The influence of combined weighting and block coding on the PAPR is investigated. A class of block codes capable of both error correction and PAPR reduction together with several weighting functions is considered. We investigate the interplay of various weighting functions with block codes in order to minimize the PAPR. The proposed schemes reduce the PAPR significantly as is evident from the simulation results.

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来源期刊

2001 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing (IEEE Cat. No.01CH37233)

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