Loading techniques for OFDM systems with nonlinear distortion effects

被引：1
|
作者：
Araujo, Teresa [1 ,2 ]
Dinis, Rui [1 ,3 ]
机构：
[1] Inst Telecomunicacoes, Res Ctr, Lisbon, Portugal
[2] LEMA ISEP, Oporto, Portugal
[3] FCT UNL, Lisbon, Portugal
来源：
TRANSACTIONS ON EMERGING TELECOMMUNICATIONS TECHNOLOGIES | 2012年 / 23卷 / 02期
关键词：
MODULATION; SCHEMES; AWGN;
D O I：
10.1002/ett.1515
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we study the impact of nonlinear distortion effects on adaptive orthogonal frequency division multiplexing systems. An analytical statistical characterisation of the transmitted signals, which is obtained by taking advantage of the Gaussian-like nature of the orthogonal frequency division multiplexing signals when the number of subcarriers is high, is included. This statistical characterisation is used to evaluate loading algorithms in the presence of strong nonlinear distortion effects and to redefine loading algorithms taking into account nonlinear distortion issues. Copyright (C) 2011 John Wiley & Sons, Ltd.
引用
收藏
页码：121 / 132
页数：12
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