alexa Abstract | An Efficient PAPR Reduction Method for LTE OFDM Systems
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article Open Access

Abstract

This paper reviews orthogonal frequencydivision multiple (OFDM) which has been adopted as a standard for various high data rate wireless communication systems. However, implementation of the OFDM system entails several difficulties. One of the major drawbacks is the high peak-to-average power ratio (PAPR) which cause large number of sub-carriers, that make restrictions for practical applications. Block Coding, partial transmit sequence and clipping are some PAPR reduction methods that have been proposed to overcome this problem. In this paper, we mainly investigate the PAPR reduction performance using interleaving & PTS, this method is sub-entities of interleaving & phase rotation scheme. A new algorithm using interleaving & PTS technique which shows better PAPR reduction compared to the existing algorithms is proposed. Results are verified using MATLAB software.

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Author(s): Sujay.S.N , Mamatha.M

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