Arshad, Kamran and Sheikh, Asrar U.H. (2004) Performance of wireless OFDM system channel estimation with different pilot patterns. In: Proceedings of the 2004 IEEE International Symposium on Spread Spectrum Techniques and Applications. Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 179-183. ISBN 0780384083 (doi:https://doi.org/10.1109/ISSSTA.2004.1371688)

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Abstract

Orthogonal frequency division multiplexing (OFDM) is well-known to be effective against multipath distortion. Channel estimation for mobile OFDM systems requires transmission of pilot symbols. The paper addresses the important issue of selecting the location of these pilot symbols to achieve low error rates. It addresses the effect of Doppler spread of the channel on different pilot arrangements and proposes a new scheme for inserting pilot symbols. It is shown that, for pedestrian channels, the proposed scheme performs better than other pilot insertion schemes.

Item Type:	Conference Proceedings
Title of Proceedings:	Proceedings of the 2004 IEEE International Symposium on Spread Spectrum Techniques and Applications
Additional Information:	[1] This paper was first presented at the 2004 IEEE International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2004) held from 30 August - 2 September 2004 in Sydney, Australia.
Uncontrolled Keywords:	Doppler broadening, OFDM modulation, error statistics, mobile radio, multipath channels, Doppler spread, channel estimation, error rates, mobile systems, multipath distortion, orthogonal frequency division multiplexing, pilot insertion scheme, pilot symbol location, wireless OFDM, bit error rate, error analysis, frequency estimation, interpolation, least squares approximation, mean square error methods, minerals, OFDM, petroleum
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments:	School of Engineering School of Engineering > Mobile & Wireless Communications Research Laboratory
Related URLs:	Publisher Publisher Organisation
Last Modified:	14 Oct 2016 09:27
URI:	http://gala.gre.ac.uk/id/eprint/11312

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