Novel Blind Carrier Frequency Offset Estimation Algorithm for OFDM System Via Generalized Precoding

被引：0
|
作者：
Zhang Xiaofei
Li Jianfeng
Wu Hailang
Xu Dazhuan
机构：
[1] Nanjing University of Aeronautics and Astronautics,Electronic Engineering Department
来源：
Wireless Personal Communications | 2012年 / 67卷
关键词：
Carrier frequency offset (CFO); OFDM; Generalized precoding; Joint diagonalization;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this letter, we develop a blind carrier frequency offset (CFO) algorithm for orthogonal frequency division multiplexing (OFDM) systems by utilizing a generalized precoding. Generalized precoding is employed to obtain multiple covariance matrices, and then a CFO estimation algorithm for OFDM system using joint diagonalization is proposed. Comparing to estimation of signal parameters via rotational invariance techniques (ESPRIT) method, the algorithm that we presented has improved CFO estimation performance. Furthermore, our algorithm even works well without virtual carrier. Simulation results illustrate performance of this algorithm.
引用
收藏
页码：139 / 147
页数：8
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