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Performance Analysis of DWT-OFDM and FFT-OFDM using Various Digital Modulation Techniques and Channel Coding

by Pratima Manhas, M.K Soni
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 128 - Number 11
Year of Publication: 2015
Authors: Pratima Manhas, M.K Soni
10.5120/ijca2015906674

Pratima Manhas, M.K Soni . Performance Analysis of DWT-OFDM and FFT-OFDM using Various Digital Modulation Techniques and Channel Coding. International Journal of Computer Applications. 128, 11 ( October 2015), 34-39. DOI=10.5120/ijca2015906674

@article{ 10.5120/ijca2015906674,
author = { Pratima Manhas, M.K Soni },
title = { Performance Analysis of DWT-OFDM and FFT-OFDM using Various Digital Modulation Techniques and Channel Coding },
journal = { International Journal of Computer Applications },
issue_date = { October 2015 },
volume = { 128 },
number = { 11 },
month = { October },
year = { 2015 },
issn = { 0975-8887 },
pages = { 34-39 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume128/number11/22920-2015906674/ },
doi = { 10.5120/ijca2015906674 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T23:21:23.615971+05:30
%A Pratima Manhas
%A M.K Soni
%T Performance Analysis of DWT-OFDM and FFT-OFDM using Various Digital Modulation Techniques and Channel Coding
%J International Journal of Computer Applications
%@ 0975-8887
%V 128
%N 11
%P 34-39
%D 2015
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Orthogonal frequency division multiplexing (OFDM) is a type of multicarrier modulation technique in which available bandwidth is divided into narrow bands at different frequencies. It is used to compress a large amount of data into a small amount of bandwidth. This is possible by dividing a large amount of data into smaller parts, then sending that data simultaneously over a number of frequencies. OFDM allows a large amount of data to be transmitted quickly and reliably, with a minimum of loss or interference. As OFDM is used in various applications like Wi-Fi, 4G, DAB & WiMax, so its performance is an important factor and for this Bit Error ratio (BER) is calculated .This paper deals with the comparison between DWT based OFDM and FFT based OFDM for various digital modulation techniques and channel coding in terms of Bit error rate calculation. Simulation results shows that FFT based OFDM have better results as compared to DWT based OFDM.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Bit error ratio (BER) FFT DWT orthogonal frequency division multiplexing (OFDM)

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