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On the Simulation of BER Performances for Transform Schemes Used in OFDM

by Shilpi Gupta, U. D. Dalal
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 61 - Number 5
Year of Publication: 2013
Authors: Shilpi Gupta, U. D. Dalal
10.5120/9922-4541

Shilpi Gupta, U. D. Dalal . On the Simulation of BER Performances for Transform Schemes Used in OFDM. International Journal of Computer Applications. 61, 5 ( January 2013), 9-13. DOI=10.5120/9922-4541

@article{ 10.5120/9922-4541,
author = { Shilpi Gupta, U. D. Dalal },
title = { On the Simulation of BER Performances for Transform Schemes Used in OFDM },
journal = { International Journal of Computer Applications },
issue_date = { January 2013 },
volume = { 61 },
number = { 5 },
month = { January },
year = { 2013 },
issn = { 0975-8887 },
pages = { 9-13 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume61/number5/9922-4541/ },
doi = { 10.5120/9922-4541 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:08:16.211654+05:30
%A Shilpi Gupta
%A U. D. Dalal
%T On the Simulation of BER Performances for Transform Schemes Used in OFDM
%J International Journal of Computer Applications
%@ 0975-8887
%V 61
%N 5
%P 9-13
%D 2013
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Due to many special characteristics of OFDM it has been widely applied in various applications. Besides exponential transforms some other transforms like DCT and Wavelet can also be used in OFDM. Since last decade DCT is going to be a good alternative as it is a real transform hence less complex. In very recent scenario telecommunication industry has been attracted towards the wavelets. Wavelet applications are finding a way in which their performances match the current system for example in communication system. In this paper Computer simulation using MATLAB 7. 0 has been used to analyze the performance of FFT, DCT and WPT OFDM in terms of bit error rate. All the simulations have been done using AWGN and Rayleigh channel. Along with it mapping schemes used in these simulations are BPSK, QPSK and Pi/4 DQPSK.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Fast Fourier Transform (FFT) Discrete Cosine Transform (DCT) Wavelet Packet Transform (WPT) Orthogonal Frequency Division Multiplexing (OFDM)

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