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PAPR Reduction using SLM and Companding Technique

Published on February 2013 by M. N. Suma, Kiran Sonna, B Kanmani
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International Conference on Electronic Design and Signal Processing
Foundation of Computer Science USA
ICEDSP - Number 2
February 2013
Authors: M. N. Suma, Kiran Sonna, B Kanmani
787b1802-15ec-49ab-ba2a-f1daa9e04fc0

M. N. Suma, Kiran Sonna, B Kanmani . PAPR Reduction using SLM and Companding Technique. International Conference on Electronic Design and Signal Processing. ICEDSP, 2 (February 2013), 19-23.

@article{
author = { M. N. Suma, Kiran Sonna, B Kanmani },
title = { PAPR Reduction using SLM and Companding Technique },
journal = { International Conference on Electronic Design and Signal Processing },
issue_date = { February 2013 },
volume = { ICEDSP },
number = { 2 },
month = { February },
year = { 2013 },
issn = 0975-8887,
pages = { 19-23 },
numpages = 5,
url = { /specialissues/icedsp/number2/10355-1014/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Special Issue Article
%1 International Conference on Electronic Design and Signal Processing
%A M. N. Suma
%A Kiran Sonna
%A B Kanmani
%T PAPR Reduction using SLM and Companding Technique
%J International Conference on Electronic Design and Signal Processing
%@ 0975-8887
%V ICEDSP
%N 2
%P 19-23
%D 2013
%I International Journal of Computer Applications
Abstract

Orthogonal frequency division multiplexing (OFDM) is an modulation and multiplexing technique preferred in present wireless environment. One of the issues to be addressed in OFDM is high peak to average power ratio (PAPR) of the received signal which may cause power amplifiers at receivers to go into saturation. In this paper a selective mapping technique (SLM) associated with Reed Solomon (RS) code and µ law Companding is proposed to reduce PAPR in OFDM system. The simulation results shown with CCDF graphs indicate improved performance in PAPR with RS coding and companding as compared to conventional method. Further the advantage gained with using Reed Solomon (RS) coding is good error correcting capability in multipath environment.

References
  1. A New Blind PAPR Reduction and Error Correction Method in OFDM System Using BCH Codes by A. Zolghadrasli, MH. Ghamat 2007 IEEE International Conference on Signal Processing and Communications (ICSPC 2007), 24-27 November 2007, Dubai, United Arab Emirates.
  2. A New SLM Technique for PAPR Reduction in OFDM Systems. European Journal of Scientific Research ISSN 1450-216X Vol. 65 No. 2 (2011), pp. 221-230.
  3. A New SLM Technique for PAPR Reduction in OFDM Systems by S. P. Vimaland K. R. Shankar Kumar European Journal of Scientific Research ISSN 1450-216X Vol. 65 No. 2 (2011), pp. 221-230
  4. Power Savings Analysis of Peak-to-Average Power Ratio Reduction in OFDM by Robert J. Baxley, and G. Tong Zhou, IEEE Transactions on Consumer Electronics, Vol. 50, No. 3, AUGUST 2004.
  5. Modified Selected Mapping Technique for PAPR Reduction of Coded OFDM Signal by Seung Hee Han and Jae Hong Lee IEEE transactions on broadcasting, vol. 50, no. 3,SEPTEMBER 2004.
  6. An overview of peak-to-average power ratio reduction techniques for multi carrier transmission by seung hee han, stanford university jae hong lee, Seoul national university IEEE Wireless Communications (2005) Volume: 12
  7. Chin-Liang Wang, Senior Member, IEEE, and Yuan Ouyang IEEE "Low-Complexity Selected Mapping Schemes for Peak-to-Average Power Ratio Reduction in OFDM Systems" IEEE transactions on signal processing, vol.
  8. P. Foomooljareon and W. A. C. Fernando "PAPR Reduction in OFDM Systems" ThammasaItn t. ,J. Sc. T ech. , Vol. 7, No. 3, September-December 2002.
  9. OFDM for wireless multimedia communication by Richard van nee and Ramjee Prasad.
Index Terms

Computer Science
Information Sciences

Keywords

Papr Reduction Rs Coding Companding Transform Ccdf