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Analysis of PAPR on DFT-OFDMA Systems

by Surabhi Singh, Shambhavi Mishra
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 95 - Number 5
Year of Publication: 2014
Authors: Surabhi Singh, Shambhavi Mishra
10.5120/16591-6305

Surabhi Singh, Shambhavi Mishra . Analysis of PAPR on DFT-OFDMA Systems. International Journal of Computer Applications. 95, 5 ( June 2014), 25-28. DOI=10.5120/16591-6305

@article{ 10.5120/16591-6305,
author = { Surabhi Singh, Shambhavi Mishra },
title = { Analysis of PAPR on DFT-OFDMA Systems },
journal = { International Journal of Computer Applications },
issue_date = { June 2014 },
volume = { 95 },
number = { 5 },
month = { June },
year = { 2014 },
issn = { 0975-8887 },
pages = { 25-28 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume95/number5/16591-6305/ },
doi = { 10.5120/16591-6305 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T22:18:38.098087+05:30
%A Surabhi Singh
%A Shambhavi Mishra
%T Analysis of PAPR on DFT-OFDMA Systems
%J International Journal of Computer Applications
%@ 0975-8887
%V 95
%N 5
%P 25-28
%D 2014
%I Foundation of Computer Science (FCS), NY, USA
Abstract

OFDM is a broadband wireless technology which supports data rates in excess of 100 Mbps. In addition to this, OFDM has some limitations as it requires strict frequency synchronization and low peak to average power ratio. So considering DFT-OFDMA, which performance in terms of PAPR, is equivalent to SC-FDMA. This paper represents the suitability of using OFDMA in the up-link for high-data-rate scenarios in local area by considering target performance metrics PAPR. The proposed design shows PAPR performance varies depending on the subcarrier allocation method. It has been also shown that performance of the PAPR by DFT-spreading technique with IFDMA and LFDMA, varying with roll-off factor ? of the RC (Raised-Cosine) filter. Effect of the number of subcarriers on PAPR performance is also discussed in this paper.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Complementary cumulative distribution function(CCDF) Distributed FDMA(DFDMA) Interleaved(IFDMA) Localized FDMA(LFDMA)

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