PAPR reduction of OFDM signal through DFT precoding and GMSK pulse shaping in indoor VLC

R Ahmad, A Srivastava - IEEE Access, 2020 - ieeexplore.ieee.org
Optical orthogonal-frequency-division-multiplexing (O-OFDM) has been widely explored for
visible light communication (VLC) to achieve high data rates. However, O-OFDM suffers from …

Improvement measures of DHT precoded OFDM over WiMAX channels with piecewise linear companding

A Thammana, MK Kasi - 2016 IEEE Annual India Conference …, 2016 - ieeexplore.ieee.org
Orthogonal frequency division multiplexing (OFDM) is multicarrier wireless communication
modulation scheme, which is a fascinating approach for wireless communication …

Метод повышения энергетической эффективности систем OFDM, основанный на уменьшении пик-фактора

АХ Султанов, ИК Мешков, АА Ишмияров - … волновых процессов и …, 2018 - elibrary.ru
В статье предложен метод снижения пик-фактора для систем, работающих по
технологии OFDM, основанный на обработке поднесущих частот группового спектра и …

OFDM system energy efficiency increasing method based on peak-factor decrease

AK Sultanov, IK Meshkov… - … волновых процессов и …, 2018 - journals.ssau.ru
In this work the peak-factor decreasing method for the OFDM systems is proposed, based on
the group spectrum subcarriers processing and the signal constellation rotation. Such …

An effective composite PAPR reduction technique of OFDM by using DFT precoding with piecewise linear companding

AS Lakamana, AM Prasad - 2016 International Conference on …, 2016 - ieeexplore.ieee.org
OFDM is multicarrier wireless communication modulation scheme, which is a magnetizing
approach for wireless communication applications to achieve very huge data rates …

Energy efficiency improvement of OFDM-based Radio-over-fiber systems enabled with PAPR decrease method

EP Grakhova, AA Ishmiyarov… - 2019 International …, 2019 - ieeexplore.ieee.org
In this paper we present the Peak-to-Average Power Ratio decrease method targeted at
energy efficiency improvement of the Radio-over-fiber telecommunication systems based on …

[PDF][PDF] Performance Analysis of SC-FDMA with Piecewise Linear Companding over Various Fading channels

A Thammana, J Ramesh, R Uma - Int. J. Pure Appl. Math, 2017 - academia.edu
Orthogonal FDM (OFDM) is an thrilling method for typical applications those require huge
degree of data rates. Because of the excessive PAPR, the complexity of HPA and in addition …

Performance improvement in LiFi using advanced modulation techniques and learning-based coexistence with WiFi

R Ahmad, A Srivastava - 2021 - repository.iiitd.edu.in
Keywords-LiFi, WiFi, O-OFDM, PAPR, DP-OFDM, GMSK, DFT, O-GFDM, HLWN, load
balancing, RL, RWP, ORWP. A significant increase in wireless communication has been …

DFT Precoder Technique Combined with µ-Law Companding for PAPR Reduction in OFDM System

AK Yadav, PK Sahoo, YK Prajapati - Advances in VLSI, Communication …, 2020 - Springer
Transmitting high data rate is one of the benefits of the orthogonal frequency division
multiplexing (OFDM). However, it undergoes high Peak-to-Average Power Ratio (PAPR) …

[PDF][PDF] DIGITAL PREDISTORTERS WITH LOW-COMPLEXITY ADAPTATION

J Král, R Maršálek - theses.cz
Modern communication systems often require digital predistorters (DPDs), advanced signal-
processing units, to satisfy stringent demands on transmitter linearity and efficiency …