| 傅里叶变换在4G/5G移动通信系统中的应用 |
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| 引用本文： | 李汀.傅里叶变换在4G/5G移动通信系统中的应用[J].盐城工学院学报(自然科学版),2017,30(2):75-78. |
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| 作者姓名： | 李汀 |
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| 作者单位： | 南京邮电大学 通信与信息工程学院, 江苏 南京 210003 |
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| 基金项目： | 江苏省自然科学基金项目(BK20140881) |
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| 摘 要： | 以《信号与系统》中核心内容傅里叶变换在最前沿的移动通信系统中的应用为切入点,用《信号与系统》中最基础的常用信号的傅里叶变换,傅里叶变换的频移性、调制定理、抽样定理、滤波器组等知识,对4G/5G移动通信系统中的关键技术OFDM技术和FBMC技术的原理进行了分析,得出了FBMC系统各滤波器频谱之间的干扰远小于OFDM系统的结论。
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| 关 键 词： | 信号与系统 傅里叶变换 滤波器组 OFDM FBMC |
| 收稿时间： | 2016/10/20 0:00:00 |
Application of Fourier Transform in 4G/5G Mobile Communication Systems |
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| LI Ting.Application of Fourier Transform in 4G/5G Mobile Communication Systems[J].Journal of Yancheng Institute of Technology(Natural Science Edition),2017,30(2):75-78. |
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| Authors: | LI Ting |
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| Affiliation: | College of Communication and Information Engineering, Nanjing University of Posts and Telecommunications, Nanjing Jiangsu210003, China |
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| Abstract: | Taking the core content of "signals and systems", that is, the application of Fourier transform in mobile communication system at the forefront as an entry point, by using Fourier transform of the most commonly used signals in "signals and systems", and the frequency shift of Fourier transform, modulation theorem, sampling theorem, filter bank and so on, the principle of key technologies such as OFDM technology and FBMC technology in 4G·G mobile communication systems are analyzed. It is concluded that the interference between the spectrum of the filters in the FBMC system is much smaller than that of the OFDM system. |
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| Keywords: | Signals and Systems Fourier transform filter bank OFDM FBMC |
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