Parameter Estimation for Correlated MIMO Channels with Frequency-Selective Fading

被引：2
作者：
Dong, Wei [1 ]
Li, Jiandong [1 ]
Lu, Zhuo [1 ]
机构：
[1] Xidian Univ, Broadband Wireless Commun Lab, Inst Informat Sci, State Key Lab Integrated Serv Networks, Xian 710071, Peoples R China
来源：
WIRELESS PERSONAL COMMUNICATIONS | 2010年 / 52卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Multi-input multi-output; Frequency offset estimation; Channel estimation; CRLB; OFFSET ESTIMATION; DESIGN; OFDM;
D O I：
10.1007/s11277-009-9664-9
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, we address the problem of frequency offset and channel gain estimation for frequency-selective multi-input multi-output (MIMO) correlated fading channels. A maximum-likelihood (ML) frequency offset (FO) estimator is proposed by using the Bayesian approach. We show that the proposed FO estimator is efficient and asymptotically optimal. Based on the FO estimate, we derive the linear minimum mean square error (LMMSE) channel estimator and analytically investigate the effect of frequency offset estimation error on the mean square error (MSE) performance of the channel estimator. Finally, the performances of the FO and channel estimation are evaluated by simulation results.
引用
收藏
页码：813 / 828
页数：16
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