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Symbol Timing Offset Estimation Scheme for OFDM Systems Based on Power Difference Measurements

Lookup NU author(s): Sedki Younis, Dr Arafat Al-Dweik, Dr Charalampos Tsimenidis, Professor Bayan Sharif

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Abstract

This paper presents a new blind symbol timing offset (STO) estimation scheme for wireless orthogonal frequency division multiplexing (OFDM) systems with constant modulus constellation. In the proposed scheme, the STO estimation is performed by minimizing the power difference between either adjacent or consecutive subcarriers, which basically depends on the assumptions made on the channel conditions. Monte Carlo simulation is used to assess the two realizations of the proposed system. The system performance is evaluated by means of mean squared error (MSE) over additive white Gaussian noise (AWGN) and frequency selective mobile radio channels. The simulation results demonstrate that the MSE of the proposed system is well below the MSE of other well-established estimators reported in the literature.


Publication metadata

Author(s): Younis S, Al-Dweik A, Hazmi A, Tsimenidis CC, Sharif BS

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: IEEE 21st International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC)

Year of Conference: 2010

Pages: 927-932

ISSN: 9781424480173

Publisher: IEEE

URL: http://dx.doi.org/10.1109/PIMRC.2010.5672096

DOI: 10.1109/PIMRC.2010.5672096

Library holdings: Search Newcastle University Library for this item

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