| F-OFDM仿真系统设计与时频同步算法 |
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| 引用本文： | 鲍亚川,李敏,向才炳.F-OFDM仿真系统设计与时频同步算法[J].无线电通信技术,2020(1):88-92. |
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| 作者姓名： | 鲍亚川 李敏 向才炳 |
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| 作者单位： | 1.卫星导航系统与装备技术国家重点实验室;2.中国电子科技集团公司第五十四研究所;3.北京卫星导航中心 |
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| 基金项目： | 国家自然科学基金项目(91638203)~~ |
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| 摘 要： | 针对新一代5G波形的F-OFDM技术开展了研究,通过把一个宽带分为若干个子带,对每个子带进行滤波处理以实现更好的通信效能。基于Simulink平台进行了F-OFDM仿真系统的搭建,重点对F-OFDM符号同步方法和频偏估计方法进行了研究与仿真分析。实验结果表明,基于Chu序列相比采用PN序列可以获得更好的同步效果,基于导频的Classen频偏估计算法相比基于CP的CFO估计算法和基于训练序列的Moose估计方法可以获得更好的频偏估计效果。
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| 关 键 词： | F-OFDM 符号同步 频偏估计 |
F-OFDM Simulation System Design and Synchronization Algorithm |
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| BAO Yachuan,LI Min,XIANG Caibing.F-OFDM Simulation System Design and Synchronization Algorithm[J].Radio Communications Technology,2020(1):88-92. |
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| Authors: | BAO Yachuan LI Min XIANG Caibing |
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| Affiliation: | (The 54th Research Institute of CETC,Shijiazhuang 050081,China;State Key Laboratory of Satellite Navigation System and Equipment Technology,Shijiazhuang 050081,China;Beijing Satellite Navigation Center,Beijing 100094,China) |
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| Abstract: | F-OFDM,one of the new generation 5G waveform represent is researched.The wideband is divided into several subbands,and each subband can be filtered individually to realize better performance.The F-OFDM simulation system is set up based on Simulink platform.The symbol synchronization and frequency offset estimation method is analyzed and tested.The result shows that the synchronization method with Chu sequence achieve better synchronization performance than the method with PN sequence.The experimental result shows that Classen method with pilot has better estimation effect compared with the CFO method with CP and the Moose method with training sequence. |
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| Keywords: | F-OFDM symbol synchronization frequency offset estimation |
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