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Comparison of Signal Scrambling PAPR Reduction Techniques with Signal Distortion Techniques in OFDM Signal

Published on March 2012 by Karuna A. Mahajan, Sunil V. Mukhare
International Conference on Recent Trends in Information Technology and Computer Science
Foundation of Computer Science USA
ICRTITCS - Number 1
March 2012
Authors: Karuna A. Mahajan, Sunil V. Mukhare
33bb6ef2-f04e-4bec-b3ea-d6aaff3eb68f

Karuna A. Mahajan, Sunil V. Mukhare . Comparison of Signal Scrambling PAPR Reduction Techniques with Signal Distortion Techniques in OFDM Signal. International Conference on Recent Trends in Information Technology and Computer Science. ICRTITCS, 1 (March 2012), 18-22.

@article{
author = { Karuna A. Mahajan, Sunil V. Mukhare },
title = { Comparison of Signal Scrambling PAPR Reduction Techniques with Signal Distortion Techniques in OFDM Signal },
journal = { International Conference on Recent Trends in Information Technology and Computer Science },
issue_date = { March 2012 },
volume = { ICRTITCS },
number = { 1 },
month = { March },
year = { 2012 },
issn = 0975-8887,
pages = { 18-22 },
numpages = 5,
url = { /proceedings/icrtitcs/number1/5172-1004/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Conference on Recent Trends in Information Technology and Computer Science
%A Karuna A. Mahajan
%A Sunil V. Mukhare
%T Comparison of Signal Scrambling PAPR Reduction Techniques with Signal Distortion Techniques in OFDM Signal
%J International Conference on Recent Trends in Information Technology and Computer Science
%@ 0975-8887
%V ICRTITCS
%N 1
%P 18-22
%D 2012
%I International Journal of Computer Applications
Abstract

The concept of Orthogonal Frequency Division Multiplexing (OFDM) has been known since 1966, but it becomes popular in during 1990s. OFDM is an attractive modulation technique for transmitting large amounts of digital data over radio waves. A major drawback of orthogonal frequency division multiplexing is the high peak-to-average power ratio of the transmitted signal. Numbers of techniques have been proposed in the literature for reducing the PAPR in OFDM systems. These techniques are broadly categorized into signal distortion and signal scrambling techniques. In this paper the well known SLM and PTS Signal Scrambling PAPR reduction techniques are compared with that of most simple Clipping and Companding signal distortion techniques.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Orthogonal frequency division multiplexing (OFDM) peak-to-average power ratio (PAPR) Partial transmit sequence (PTS) Selected Mapping(SLM)