A new frequency offset estimation for OFDM-based systems

被引:0
|
作者
Fang, Zhi [1 ]
Xiao, Wanang [1 ]
Shi, Yin [1 ]
机构
[1] Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China
关键词
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暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A new carrier frequency offset estimation scheme in orthogonal frequency division multiplexing (OFDM) is proposed. The scheme includes coarse frequency offset estimation and fine frequency offset estimation. The coarse frequency offset estimation method we present is a improvement of Zhang's method. The estimation range of the new method is as large as the overall signal-band width. A new fine frequency offset estimation algorithm is also discussed in this paper. The new algorithm has a better performance than the Schmidl's algorithm. The system we use to calculate and simulate is based on the high rate WLAN standard adopted by the IEEE 802.11 stanidardization group. Numerical results are presented to demonstrate the performance of the proposed algorithm.
引用
收藏
页码:985 / +
页数:2
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