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Channel estimation for walsh hadamard precoded OFDM/OQAM

Lookup NU author(s): Mohammed Al-Attraqchi, Professor Said Boussakta


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© 2013 IEEE.Orthogonal frequency division multiplexing with offset quadrature modulation (OFDM/OQAM) has many advantages over the conventional OFDM system. The precoding of the OFDM/OQAM with Walsh Hadamard transform (WHT) improves system ability to mitigate deep fades in frequency selective channels. However, the addition of the transform prevents the functionality of the existing channel estimation techniques. Therefore, this work introduces a new technique to estimate channel coefficients utilising preamble structure. The proposed preamble methods are based on different pilot distribution and enhanced pilots power. The required number of symbols for the estimation is minimized while maintaining reliable performance.

Publication metadata

Author(s): Al-Attraqchi M, Boussakta S

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 2013 International Conference on Electrical, Communication, Computer, Power, and Control Engineering (ICECCPCE 2013)

Year of Conference: 2013

Pages: 163-168

Online publication date: 29/12/2014

Acceptance date: 01/01/1900

Publisher: IEEE


DOI: 10.1109/ICECCPCE.2013.6998754

Library holdings: Search Newcastle University Library for this item

ISBN: 9781479956333