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Issue:
Application of IFFT/FFT in OFDM Systems
Author(s):
LI Xiaoliang
,
WANG Hongjun
Pages:
134
-
136
Year:
2005
Issue:
1
Journal:
TELECOMMUNICATION ENGINEERING
Keyword:
正交频分复用技术
;
调制
;
解调
;
IFFT
;
FFT
;
Abstract:
本文简要分析了未来OFDM数字通信系统的基本模型和可能采用的信号调制与解调的方法,在此基础上详细地解析了数据序列经过快速傅里叶逆变换/快速傅里叶变换(IFFT/FFT)后的输出结果与M进制数字调制解调之间的联系,并给出了能够实现OFDM调制解调的合适的IFFT/FFT算法,实际仿真结果表明快速傅里叶变换及反变换在未来OFDM技术中具有一定的实用价值.
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