Maximum likelihood carrier frequency offset estimation algorithm with adjustable frequency acquisition region

Yung Yi Wang*, Chun Wei Huang, Wei Wei Chen

*此作品的通信作者

研究成果: 期刊稿件文章同行評審

2 引文 斯高帕斯(Scopus)

摘要

This study presents a simple yet effective carrier frequency offset (CFO) estimation algorithm for orthogonal frequency division multiplexing (OFDM) systems. At the transmitter, the proposed algorithm uses null subcarriers to render the OFDM signal periodic in the time domain. At the receiver, these periodic time samples become CFO-bearing signals, which can be adopted to develop the maximum likelihood (ML) CFO estimation algorithm accordingly. In addition to providing reliable and efficient CFO estimation, the proposed algorithm has an adjustable acquisition region linearly proportional to the order of the null subcarrier insertion scheme.

原文英語
頁(從 - 到)2978-2985
頁數8
期刊Journal of the Franklin Institute
355
發行號5
DOIs
出版狀態已出版 - 03 2018

文獻附註

Publisher Copyright:
© 2018 The Franklin Institute

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