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primary topic: Papr Reduction in Layered-OFDMA of LTE-A: A New Precoding Based Adaptive Uplink Ra System

Papr Reduction in Layered-OFDMA of LTE-A: A New Precoding Based Adaptive Uplink Ra System
type: AcademicArticle
type: Article
abstract: This paper presents a new pre coding based adaptive multi-carrier/single-carrier (MC/SC) uplink radio-access (RA) system with improved peak-to-average power ratio (PAPR) for layered orthogonal frequency division multiple access (Layered-OFDMA) of long term evolution advanced (LTE-A). The Discrete-Cosine transform (DCT) pre coding is applied before sub carrier mapping and IFFT to reduce the high PAPR of the MC uplink system. The conventional SC system is implemented to sustain all the functionalities offered by the release 8 LTE. Extensive computer simulations have been performed to analyze the PAPR of the proposed system. The computer simulation results show that, the PAPR of DCT pre coded MC signals is approximately same as that of conventional SC signals. © School of Engineering, Taylor's University.
date: 2012
volume: 7
issue: 1
is part of: Journal of Engineering Science and Technology
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository

Journal of Engineering Science and Technology
type: Collection
issn: 18234690

V. Jeoti
type: Person
given name: V.
family name: Jeoti

I. Baig
type: Person
given name: I.
family name: Baig

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primary topic: Papr Reduction in Layered-OFDMA of LTE-A: A New Precoding Based Adaptive Uplink Ra System