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

页码：2732 / 2737

页数：6

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