Maximum Likelihood Estimation of Carrier Frequency Offset for MIMO-OFDM Systems with Precoder

被引：0

作者：

Hao, Miin-Jong ^{[1
]}

Lai, Chiu-Hsiung ^{[1
]}

机构：

[1] Natl Kaohsiung First Univ Sci & Technol, Dept Comp & Commun Engn, Kaohsiung, Taiwan

来源：

IEEE INTERNATIONAL SYMPOSIUM ON INTELLIGENT SIGNAL PROCESSING AND COMMUNICATIONS SYSTEMS (ISPACS 2012) | 2012年

关键词：

OFDM; MIMO; carrier frequency offset; CFO; maximum likelihood estimation; CHANNEL ESTIMATION; CFO;

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 novel ML algorithm for the CFO estimation in the MIMO-OFDM systems with the PAPR reduction precoder is developed. By applying the property of the precoding matrix, a cost function similar to the multiple signal classification (MUSIC) algorithm is developed for the CFO estimation. With the precoding scheme in the MIMO-OFDM system, we can achieve the advantage in the PAPR reduction of OFDM signals and perform a simple CFO estimation concurrently. Our simulation results show that the MSE performance of the MIMO-OFDM will be improved with the increase in the roll-off factor of the precoder in both the AWGN and multipath fading channel environments.

引用

页数：6

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