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A Hybrid SLM Technique for PAPR Reduction in OFDM

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International Journal of Computer Applications
© 2014 by IJCA Journal
Volume 99 - Number 16
Year of Publication: 2014
Authors:
Salini I. V
Rino P. C
10.5120/17460-8392

Salini I V and Rino P C. Article: A Hybrid SLM Technique for PAPR Reduction in OFDM. International Journal of Computer Applications 99(16):36-42, August 2014. Full text available. BibTeX

@article{key:article,
	author = {Salini I. V and Rino P. C},
	title = {Article: A Hybrid SLM Technique for PAPR Reduction in OFDM},
	journal = {International Journal of Computer Applications},
	year = {2014},
	volume = {99},
	number = {16},
	pages = {36-42},
	month = {August},
	note = {Full text available}
}

Abstract

With the advancement in age and its growing demands, there has been rapid growth in the field of communications. Multi-carrier modulation is an attractive technique for fourth generation wireless communication. Orthogonal Frequency Division Multiplexing (OFDM) is one of the efficient multi-carrier transmission schemes. OFDM consist of large number of independent sub carriers, as a result of which the amplitude of such a signal can have high peak values. The main drawback of OFDM system is that it suffers from high Peak to Average Power Ratio (PAPR). Due to high PAPR there is inefficient use of high power amplifier and this could limit transmission efficiency. Different technique can be used to reduce this PAPR; from that SLM is one of the efficient techniques. But the computational complexity and the transmission of side information are the concern problem in SLM. There for this paper, proposes a new SLM technique to reduce these drawbacks. As compared to the Conventional SLM method, the proposed Hybrid method provides less computational complexity and reduces the PAPR without any side information.

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