Analysis of OFDM and WPOFDM Systems in Different Wireless Multipath Channels

Ali A. Eyadeh, Farah M. Al-Sallami


In this paper, the performance analysis for orthogonal frequency division multiplexing (OFDM) and wavelet packet based OFDM (WPOFDM) systems over different wireless multipath channels has been investigated. The bit error rate (BER) performance for both systems is shown to be comparable and even at times better for OFDM especially in frequency selective fading channel at high values of S/N. Simulation results also show a significant enhancement for WPOFDM in terms of spectral efficiency and side-lobes suppression comparing to OFDM.

Keywords: OFDM, WPOFDM, PSD, BER performance, wavelet filters, fading channels.


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ISSN (Paper)2224-5782 ISSN (Online)2225-0506
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