OFDM通信系统中载波频偏估计的新方法

International Conference on Communication Technology Proceedings, 2003. ICCT 2003. Pub Date : 2003-04-09 DOI:10.1109/ICCT.2003.1209905

Bian Dongming, Yi Xinying

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引用次数: 5

摘要

本文提出了一种基于过采样技术的OFDM信号时域估计方法。与基于循环前缀(CP)的估计器相比，该估计器能够实现更宽的载波频偏估计范围和更高的精度。计算机仿真结果表明，该估计器克服了载波频偏的影响，在不同的载波频偏下都能达到相同的精度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A new approach for carrier frequency offset estimation in OFDM communication system

In this paper, we propose a new time-domain estimator for OFDM signal by using over-sample technology. The proposed estimator is able to achieve wider estimation range of carrier frequency offset with higher accuracy than cyclic prefix (CP) based estimator. And the results of computer emulation show the estimator gets over the impact of carrier frequency offset and achieves the same accuracy in different offsets.

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International Conference on Communication Technology Proceedings, 2003. ICCT 2003.

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