ANALYSIS_OF_WAVELET_BASED_ALTERNATIVES_F (co code matlab)

ANALYSIS OF WAVELET BASED ALTERNATIVES FOR OFDM A Thesis Presented for the Master of Science Degree in Engineering Science with Emphasis in Telecommunications The University of Mississippi by TASSNIEM HUSSAIN RASHED November 2011 UMI Number: 1515339 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent on the quality of the copy submitted In the unlikely event that the author did not send a complete manuscript and there are missing pages, these will be noted Also, if material had to be removed, a note will indicate the deletion UMI 1515339 Copyright 2012 by ProQuest LLC All rights reserved This edition of the work is protected against unauthorized copying under Title 17, United States Code ProQuest LLC 789 East Eisenhower Parkway P.O Box 1346 Ann Arbor, MI 48106 - 1346 Copyright Tassniem H Rashed 2011 ALL RIGHTS RESERVED ABSTRACT The objective of this thesis is to analyze wavelet based alternatives for orthogonal frequency division multiplexing (OFDM) and find whether a better system performance is achieved when compared to the discrete Fourier transform (DFT)-based OFDM We analyze DFT, discrete wavelet transform (DWT), and dual tree complex wavelet transform (DT-CWT) based systems in an additive white Gaussian noise (AWGN) channel The analysis is verified by Monte Carlo simulation The results in the thesis indicate that the bit error probability (BEP) performance is the same for all types of systems This confirms some results presented in the literature but differs from others Some report better BEP performance for the DWT based system than for the DFT based system, and some report worse In addition, the literature reports better BEP performance for DT-CWT-based system than both DFTbased and DWT-based systems We compare the peak to average power ratio (PAPR) for the alternatives The results show improvement in PAPR for the wavelet based system That is, the DT-CWT performs the best, then the DWT, and the worst is for the DFT based system ii This work is dedicated to my Lord As Prophet Ibrahim, peace be upon him and all Prophets, said 1: Ï       Ø ì ỏ ,  ệ Aêậ @ H P é