Frequency Domain Averaging for Channel Estimation in OQAM-OFDM Systems

被引：0
|
作者：
Kong, Dejin [1 ]
Qu, Daiming [1 ]
Gao, Peng
Wang, Chonggang [2 ]
Jiang, Tao [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Elect & Informat Engn, Wuhan Natl Lab Optoelect, Wuhan, Peoples R China
[2] Natl Mobile Commun Res Lab, Wuhan, Peoples R China
来源：
2013 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2013年
关键词：
OQAM-OFDM; frequency domain averaging; channel estimation; maximum likelihood;
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：
In this paper, we analyze the noise distribution and correlation characteristic on each subcarrier in OQAM-OFDM systems, and present a method based on the maximum likelihood (ML) criterion to improve the channel estimation. Then, the performance results are obtained by considering an IEEE 802.22 channel model and the proposed method is compared to the conventional frequency domain averaging (FDA) method. Simulation results show that the proposed method is an efficient method to improve the channel estimation.
引用
收藏
页码：3116 / 3121
页数：6
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