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Erschienen in: Wireless Personal Communications 4/2016

01.06.2016

A Robust SFO Estimation Scheme for OFDM-Based DRM with Non-Symmetric Distributed Pilots

verfasst von: Yong-An Jung, Sung-Jin Kang, Young-Hwan You

Erschienen in: Wireless Personal Communications | Ausgabe 4/2016

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Abstract

This paper proposes a robust sampling frequency offset (SFO) estimation scheme in an orthogonal frequency division multiplexing based digital radio mondiale system with non-symmetrically distributed pilots. In particular, a post fast Fourier transform SFO estimation method is suggested to provide an unbiased estimate of SFO in the presence of frequency selectivity of the channel as well as non-symmetrically distribution of pilot symbols. In order to verify the performance of the proposed frequency-offset estimation scheme, a closed-form expression for the mean square error (MSE) is derived. We show via simulations that the proposed estimation scheme achieves a remarkable robustness against frequency selectivity fading and the theoretical MSE analysis is proven accurate.

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Metadaten
Titel
A Robust SFO Estimation Scheme for OFDM-Based DRM with Non-Symmetric Distributed Pilots
verfasst von
Yong-An Jung
Sung-Jin Kang
Young-Hwan You
Publikationsdatum
01.06.2016
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 4/2016
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-016-3199-7

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