Iterative Frequency Offset Estimation Based on ML Criterion for OFDM Systems

被引：0
|
作者：
Fujii, Masahiro [1 ]
Ito, Masaya [1 ]
机构：
[1] Utsunomiya Univ, Grad Sch Engn, Dept Informat Syst Sci, Utsunomiya, Tochigi 3218585, Japan
来源：
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES | 2017年 / E100A卷 / 12期
关键词：
frequency offset; orthogonal frequency division multiplexing; maximum likelihood; iteration; mean squared error; NULL SUBCARRIERS;
D O I：
10.1587/transfun.E100.A.2732
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this letter, we analyze performances of a frequency offset estimation based on the maximum likelihood criterion and provide a theoretical proof that the mean squared error of the estimation grows with increase in the offset. Moreover, we propose a new iterative offset estimation method based on the analysis. By computer simulations, we show that the proposed estimator can achieve the lowest estimation error after a few iterations.
引用
收藏
页码：2732 / 2737
页数：6
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