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2015 | OriginalPaper | Buchkapitel

3. CFO Estimation and Channel Equalization for OFDM Based Wireless Systems

verfasst von : Yufei Jiang, Xu Zhu, Eng Gee Lim, Yi Huang, Hai Lin

Erschienen in: Semi-Blind Carrier Frequency Offset Estimation and Channel Equalization

Verlag: Springer International Publishing

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Abstract

In this chapter, a number of state-of-the-art CFO estimation methods and channel equalization approaches are reviewed. The relevant existing work can be divided into two categories: training based methods and semi-blind/blind methods. A number of training based CFO estimation methods, including Moose’s CFO estimation, Maximum Likelihood (ML) CFO estimation and Constant Amplitude Zero Auto-Correlation (CAZAC) sequences based CFO estimation are reviewed. The blind/semi-blind CFO estimation methods presented include diagonality criterion based blind CFO estimation, CP based CFO estimation and semi-blind CFO estimation by precoding or pilots. We also review training equalization including ZF, MMSE, Vertical Bell Laboratories Layered Space-Time (V-BLAST) and Maximum Likelihood (ML) methods. SOS and HOS based blind/semi-blind equalization methods are also reviewed, with a focus on ICA, an HOS based method, and its applications in wireless communications.

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Metadaten
Titel
CFO Estimation and Channel Equalization for OFDM Based Wireless Systems
verfasst von
Yufei Jiang
Xu Zhu
Eng Gee Lim
Yi Huang
Hai Lin
Copyright-Jahr
2015
DOI
https://doi.org/10.1007/978-3-319-24984-1_3

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