IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Doppler reduction using Sliding Window technique in WP-OFDM system
Haitham J. TahaM. F. M. Salleh
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JOURNALS FREE ACCESS

2011 Volume 8 Issue 9 Pages 689-694

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Abstract

This letter presents a new Wavelet Packet (WP) OFDM system using a Sliding Window (SW) technique. The SW is used to increase signal orthogonality and thus reduces the Doppler frequency effect in the received data. This is done by reducing the round-off error and long correlation time of the received data. Simulation results show that the proposed system offers significant BER gains over the standard WP-OFDM system without SW under flat fading and the Additive White Gaussian noise (AWGN) channel.

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© 2011 by The Institute of Electronics, Information and Communication Engineers
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