A new carrier frequency offset estimation using CP-ICA scheme in OFDM systems

被引：0
|
作者：
Kim, Jong-Deuk [1 ]
Byun, Youn-Shik [1 ]
机构：
[1] Univ Incheon, Dept Elect Engn, 177 Dohwa Dong, Inchon 402749, South Korea
来源：
2007 IEEE WIRELESS COMMUNICATIONS & NETWORKING CONFERENCE, VOLS 1-9 | 2007年
关键词：
OFDM; frequency offset; ICI; CP-ICA;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
a well-known problem of OFDM is its sensitivity to carrier frequency offset which leads to inter-carrier interference (ICI) in the OFDM symbol. This ICI causes severe degradation of the BER performance of the OFDM receiver. In this paper, we propose a new ICI cancellation algorithm which estimates frequency offset at the time-domain by using Cyclic Prefix Independent Component Analysis (CP-ICA) method to the received subcarriers; phase rotation. This algorithm is based on a statistical blind estimation method, which mainly utilizes the eigenvalue decomposition (EVD), rotating phasor and the 4(th) cumulants.
引用
收藏
页码：1031 / +
页数：2
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