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author:

高正含 (高正含.) [1] | 郭里婷 (郭里婷.) [2] | 肖辉 (肖辉.) [3] | 吴林煌 (吴林煌.) [4]

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PKU

Abstract:

针对OFDM系统中功率放大器的非线性,设计了一种功放自适应预失真器,提出了基于内插环路的同步处理、RASCAL算法的自适应查询表预失真技术。增加同步误差判定模块以及查询表刷新判定模块,保证系统在同步误差波动情况下可靠工作,实现了系统的自适应处理。仿真表明该方法可以在同步误差波动情况下将OFDM系统发射机功率谱泄露改善约17 dB。

Keyword:

OFDM 同步误差波动 自适应处理

Community:

  • [ 1 ] 福州大学物理与信息工程学院

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Source :

电视技术

Year: 2014

Issue: 09

Volume: 38

Page: 180-183

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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