An improved frequency offset estimator for OFDM applications

by: M Morelli, U Mengali

Communications Letters, IEEE, Vol. 3, No. 3. (1999), pp. 75-77.

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1999, ofdm, synchronisation

Abstract

An efficient algorithm has been proposed by Schmidl and Cox (see IEEE Trans. Commun., vol.45, p.1613-21, 1997) for carrier frequency estimation in orthogonal frequency-division multiplexing systems. The scheme is based on the transmission of a training symbol composed of two identical halves in the time domain. We extend this algorithm by considering a training symbol composed of L>2 identical parts. This makes it possible to achieve a better accuracy at the cost of some increase in computational load. The estimation range can be made as large as desired without the need of a second training symbol, as required by the Schmidl and Cox method

@article{citeulike:2970220, abstract = {An efficient algorithm has been proposed by Schmidl and Cox (see IEEE Trans. Commun., vol.45, p.1613-21, 1997) for carrier frequency estimation in orthogonal frequency-division multiplexing systems. The scheme is based on the transmission of a training symbol composed of two identical halves in the time domain. We extend this algorithm by considering a training symbol composed of L\>2 identical parts. This makes it possible to achieve a better accuracy at the cost of some increase in computational load. The estimation range can be made as large as desired without the need of a second training symbol, as required by the Schmidl and Cox method}, author = {Morelli, M. and Mengali, U. }, booktitle = {Communications Letters, IEEE}, citeulike-article-id = {2970220}, doi = {http://dx.doi.org/10.1109/4234.752907}, journal = {Communications Letters, IEEE}, keywords = {1999, ofdm, synchronisation}, number = {3}, pages = {75--77}, posted-at = {2008-07-07 15:40:25}, priority = {2}, title = {An improved frequency offset estimator for OFDM applications}, url = {http://dx.doi.org/10.1109/4234.752907}, volume = {3}, year = {1999} }

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TY - JOUR ID - citeulike:2970220 L3 - citeulike-article-id:2970220 TI - An improved frequency offset estimator for OFDM applications T2 - Communications Letters, IEEE JF - Communications Letters, IEEE VL - 3 IS - 3 SP - 75 EP - 77 N2 - An efficient algorithm has been proposed by Schmidl and Cox (see IEEE Trans. Commun., vol.45, p.1613-21, 1997) for carrier frequency estimation in orthogonal frequency-division multiplexing systems. The scheme is based on the transmission of a training symbol composed of two identical halves in the time domain. We extend this algorithm by considering a training symbol composed of L>2 identical parts. This makes it possible to achieve a better accuracy at the cost of some increase in computational load. The estimation range can be made as large as desired without the need of a second training symbol, as required by the Schmidl and Cox method KW - 1999 KW - ofdm KW - synchronisation AU - Morelli, M AU - Mengali, U PY - 1999/// UR - http://dx.doi.org/10.1109/4234.752907 ER -

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