MIMO-OFDM channel estimation in the presence of carrier frequency-offset

被引:1
|
作者
Li, J [1 ]
Liao, GS [1 ]
Guo, QH [1 ]
Wu, YT [1 ]
机构
[1] Xidian Univ, Inst Elect Engn, Xian 710071, Peoples R China
关键词
MIMO-OFDM; CFO; channel estimation; CRB; ML;
D O I
10.1109/CASSET.2004.1321980
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 new algorithm for joint channel and carrier frequency-offset (CFO) estimation in MIMO-OFDM using a training sequence is proposed. This algorithm is developed based on a maximum likelihood (ML) criterion, and jointly estimates the CFO and all frequency-selective channel parameters in time domain. To evaluate the performance of the algorithm, the Cramer-Rao Bound (CRB) for the problem is calculated Computer simulations show that the proposed algorithm can meet the CRB in certain Signal-Noise Ratio (SNR).
引用
收藏
页码:685 / 688
页数:4
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