Frequency offset synchronization for OFDM systems based on the second-order feedback loop

被引：0
|
作者：
Sun, Ke [1 ]
Liu, Hao [1 ]
机构：
[1] National Key Laboratory of Communication, University of Electronic Science and Technology of China, Chengdu 610054, China
来源：
Dianzi Keji Daxue Xuebao/Journal of the University of Electronic Science and Technology of China | 2008年 / 37卷 / 03期
关键词：
Carrier frequency offsets - Feed-back loop - Frequency offset compensation - Frequency offset estimation - Frequency offsets - Maximum likelihood algorithm - Ml algorithms - Orthogonal frequency division multiplexing systems;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this paper we discussed a feedback loop for carrier frequency offset synchronization in orthogonal frequency division multiplexing (OFDM) systems. The maximum likelihood (ML) algorithm is introduced, and we present an improved frequency offset synchronization method which uses the ML algorithm and the second-order feedback loop jointly. The result of analysis and computer simulation show that the new method can significantly improve the performance of the ML estimators.
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页码：366 / 369
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