| 正交频分复用信号峰均比抑制技术研究 |
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| 引用本文： | 孙柏昶,李佳宣,张金波,李倩.正交频分复用信号峰均比抑制技术研究[J].无线电通信技术,2022(1):126-131. |
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| 作者姓名： | 孙柏昶 李佳宣 张金波 李倩 |
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| 作者单位： | 1.中国电子科技集团公司第五十四研究所;2.北京理工大学信息与电子学院;3.北京银河信通科技有限公司 |
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| 基金项目： | 国家重点研发计划(2018YFE0207500)。 |
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| 摘 要： | 正交频分复用(OFDM)系统存在峰值平均功率比(PAPR)较高的缺点.通过对PAPR相关特性的深入讨论分析,针对峰值抵消波峰因子降低(PC?CFR)算法引入的非线性失真较大的问题,提出了一种可降低信号非线性失真的峰均比抑制算法,即PC?CFR算法与部分传输序列(PTS)算法联合改进的PAPR抑制方案.仿真结果表明,该方...
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| 关 键 词： | 正交频分复用 峰均比 峰值抵消波峰因子降低 部分传输序列 |
Research on the Crest Factor Reduction Algorithm for OFDM Signal |
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| SUN Baichang,LI Jiaxuan,ZHANG Jinbo,LI Qian.Research on the Crest Factor Reduction Algorithm for OFDM Signal[J].Radio Communications Technology,2022(1):126-131. |
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| Authors: | SUN Baichang LI Jiaxuan ZHANG Jinbo LI Qian |
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| Affiliation: | (The 54th Research Institute of CETC,Shijiazhuang 050081,China;School of Information and Electronics,Beijing Institute of Technology,Beijing 100081,China;Beijing Galaxy Information and Communications Co.,Ltd.,Beijing 100084,China) |
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| Abstract: | Orthogonal frequency division multiplexing(OFDM)systems have a drawback of high peak-to-average power ratio(PAPR).This paper makes a deep analysis of PAPR.Since the peak cancellation crest factor reduction(PC-CFR)algorithm could introduce high nonlinear distortion,a joint PAPR reduction scheme,which combines PC-CFR with partial transmission sequence(PTS)algorithm,is proposed in this paper.Simulation results show that the proposed algorithm can apparently reduce the error vector magnitude(EVM)and improve bit error rate(BER)performance. |
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| Keywords: | orthogonal frequency division multiplexing peak-to-average power ratio peak cancellation crest factor reduction partial transmission sequence |
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