Effects of clipping on the error performance of OFDM in frequency selective fading channel's

被引：60
|
作者：
Panta, KR [1 ]
Armstrong, J [1 ]
机构：
[1] La Trobe Univ, Dept Elect Engn, Bundoora, Vic 3086, Australia
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2004年 / 3卷 / 02期
基金：
澳大利亚研究理事会;
关键词：
frequency selective fading channel; in-band distortion and clipping noise; orthogonal frequency-division multiplexing; (OFDM); peak-to-average power ratio (PAPR);
D O I：
10.1109/TWC.2003.821142
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Previous studies on the effect of the clipping noise on the error performance of orthogonal frequency-division multiplexing (OFDM) systems in frequency selective fading channels provide pessimistic results. They do not consider the effect of channel fading on the clipping noise. The clipping noise is added at the transmitter and hence fades with the signal. Here, the authors show that the "bad" subcarriers that dominate the error performance of the OFDM system are least affected by the clipping noise and, as a result, the degradation in the error performance of OFDM system in fading channels is very small.
引用
收藏
页码：668 / 671
页数：4
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