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Synchronisation of the superimposed training method for channel estimation in the presence of DC-offset

Alameda-Hernandez, E., McLernon, D.C., Moosvi, S.M.A, Lara, M.M., Orozco-Lugo, A.G. and Ghogho, M. (2005) Synchronisation of the superimposed training method for channel estimation in the presence of DC-offset. In: Eighth International Symposium on Communication Theory and Applications (ISCTA), 17-22 July 2005, Ambleside, Lake District, UK.

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Abstract

The superimposed training method estimates the channel from the induced first-order cyclostationary statistics exhibited by the received signal. In this paper, using vector space decomposition, we show that the information needed for training sequence synchronisation, and for DC-offset estimation, can be extracted from the first-order cyclostationary statistics as well. Necessary and sufficient conditions for channel computation and equalisation are derived, when training sequence synchronisation and DC-offset removal are required. The computational burden of the practical implementation of the method presented here is much lighter than for existing algorithms. At the same time, simulation results show that the performance, in terms of the MSE of the channel estimates and BER, is not diminishedwhen compared to these existing algorithms.

Item Type: Conference or Workshop Item (Paper)
Keywords: Superimposed Training, Synchronisation, Frequency Selective fading
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Electronic & Electrical Engineering (Leeds) > Institute of Integrated Information Systems (Leeds)
Depositing User: Syed M A Moosvi
Date Deposited: 18 May 2007
Last Modified: 21 Nov 2014 11:44
Status: Published
Refereed: No
Related URLs:
URI: http://eprints.whiterose.ac.uk/id/eprint/2482

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