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Development of Signal Recovery Algorithm for Overcoming PAPR in OFDMA Communication System

Elsayed Emarah, Mohamed El Tokhy, Hany Kasban
2021 Arab Journal of Nuclear Sciences and Applications  
This paper focuses on overcoming the high Peak to Average Power Ratio challenging within Orthogonal Frequency Division Multiplexing Asynchronous (OFDMA) communication system.  ...  Moreover, recognition of 100% is attained using the high order statistics compared to the power density features in presence of noise attacks.  ...  INTRODUCTION The Orthogonal Frequency Division Multiplexing Asynchronous (a state-of-the-art technology in optical communications) is now a hot spot for high-speed optical communications, especially in  ... 
doi:10.21608/ajnsa.2021.62290.1445 fatcat:j72e4h6rpbe4djxdqrsdehnbge

Green Communications: Digital Predistortion for Wideband RF Power Amplifiers

Lei Guan, Anding Zhu
2014 IEEE Microwave Magazine  
In orthogonal frequency division multiplexing (OFDM) based modern wireless systems such as DVB, WiMAX, and LTE, PAs use significant backed-off power due to the high peak-to- Lei average power ratio  ...  (frequency-mixing) stage and a power amplifier stage; 3) sampling receiver RF chain (SRX), which generally comprises an input attenuation stage, a low-noise amplifier (LNA) stage, a down-conversion (frequency-mixing  ... 
doi:10.1109/mmm.2014.2356037 fatcat:zl2y2svypnbxzppf2hf2qclz6y

An enhanced modulated waveform measurement system

M Akmal, V Carrubba, J Lees, J Benedikt, P Tasker
2012 Australian Journal of Electrical & Electronics Engineering  
As an example, the PAs used in LTE systems, employing orthogonal frequency division multiplexing (OFDM) need to accommodate scalable bandwidths ranging between 1.4 MHz and 20 MHz, with high PAR [1].  ...  access (CDMA), orthogonal frequency division multiplexing (OFDM) and Long Term Evolution (LTE).  ... 
doi:10.7158/e11-033.2012.9.4 fatcat:7gzidipyhjhdjnscongukxpd3y

Non-Linear Characterization of Memoryless SSP Amplifiers

N. T. Ali
2002 Active and Passive Electronic Components  
The testbed is shown to be sufficiently linear to avoid any possible masking of the non-linear effects of the amplifier under test.  ...  All the standard tests: single-carrier, two-carrier, multi-carrier and NPR are applied to a laboratory amplifier and their results found to be in reasonably good agreement with the most popular prediction  ...  INTRODUCTION Orthogonal Frequency Division Multiplex (OFDM) or multi-carrier transmission schemes have been proposed for many applications where high-speed data must be transmitted over a dispersive (delay  ... 
doi:10.1080/08827510213498 fatcat:g6dcmqou6jd4plj3drgxx65zlq

Non-linear distortion noise cancellation for satellite return links

Svilen Dimitrov
2016 2016 IEEE International Conference on Communications (ICC)  
The modulation formats of the DVB-RCS2 satellite return link standard and a respective non-linear channel have been used.  ...  The performance is assessed for time division multiple access (TDMA), orthogonal frequency division multiple access (OFDMA), and single-carrier frequency division multiple access (SC-FDMA) waveforms for  ...  High-throughput satellite [1] communications suffer from non-linear distortion that originates from the non-linear transfer characteristics of the high-power amplifiers onboard the satellite and at the  ... 
doi:10.1109/icc.2016.7511494 dblp:conf/icc/Dimitrov16 fatcat:7sonvrii4ndkphlkaxliipqezm

Performance evaluation of a downlink MIMO wideband code-division multiple access-based radio-over-fibre system using Alamouti space-time block code

Gholamreza Baghersalimi, Mohammad Rahimi, Mahdi Nassiri
2019 IET Communications  
In this work, the effect of a radio-over-fibre (RoF) subsystem on the bit error rate (BER), total degradation (TD) and system capacity performances of downlink multiple-input multiple-output (MIMO) wideband  ...  The research investigates the use of maximal ratio combining (MRC) in single-input multiple-output (SIMO) schemes and Alamouti space-time block coding (STBC) in MIMO systems to compensate for the collective  ...  Also, IBO is the input back-off on a linear scale, P m is the maximum input RF power to the optical subsystem before the preamplifier, max (P RF, i ) is the maximum input RF power before the pre-amplifier  ... 
doi:10.1049/iet-com.2018.5390 fatcat:csd4zcnbmrcwtpb6i5niysgyva

A Crest Factor Reduction Technique for LTE Signals with Target Relaxation in Power Amplifier Linearization

José Ricardo Cárdenas-Valdez, Jose Alejandro Galaviz-Aguilar, Cesar Vargas-Rosales, Everardo Inzunza-González, Leonardo Flores-Hernández
2022 Sensors  
A developed framework is built to provide a demonstration of the modeling figures of merit with orthogonal frequency division multiplexing (OFDM) support under signal conditioning and transmission restrictions  ...  The signal conditioning treatment to achieve good relation of power with radio-frequency (RF) conversion in conventional transceiver systems require precise baseband models.  ...  Additionally to UABC and TECNM/Tijuana Institute of Technology, for the support provided for the development of this research.  ... 
doi:10.3390/s22031176 pmid:35161921 pmcid:PMC8840697 fatcat:hjdhhnjzavhhpoy2srkxzwczkm

2020 Index IEEE Transactions on Circuits and Systems I: Regular Papers Vol. 67

2020 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
., +, TCSI June 2020 2114-2127 A High Efficiency Multi-Mode Outphasing RF Power Amplifier With 31.6 dBm Peak Output Power in 45nm CMOS.  ...  ., +, Design of Magnetic Non-Volatile TCAM With Priority-Decision in Memory Technology for High Speed, Low Power, and High Reliability.  ...  ., +, TCSI Dec. 2020 4295-4308 Enhanced Linearity in FD-SOI CMOS Body-Input Analog Circuits -Application to Voltage-Controlled Ring Oscillators and Frequency-Based ΣΔ ADCs.  ... 
doi:10.1109/tcsi.2021.3055003 fatcat:kbmst5td2bbvtl7vpbj3knnkri

2021 Index IEEE Transactions on Circuits and Systems II: Express Briefs Vol. 68

2021 IEEE Transactions on Circuits and Systems - II - Express Briefs  
-that appeared in this periodical during 2021, and items from previous years that were commented upon or corrected in 2021.  ...  The primary entry includes the coauthors' names, the title of the paper or other item, and its location, specified by the publication abbreviation, year, month, and inclusive pagination.  ...  Barakat, A., +, TCSII Sub-Hz High-Pass-Corner Frequency and 164-mVₚₚ Linear-Input-Range.  ... 
doi:10.1109/tcsii.2022.3144928 fatcat:bm53w7gva5bthholfhhiq4yg3a

The way of logical data transmission along a single-wire communication line on the basis of multizone frequency-width-pulse modulation
Однопроводная линия передачи логических данных на основе многозонной частотно-широтно-импульсной модуляции

2015 Vestnik Ûžno-Uralʹskogo Gosudarstvennogo Universiteta: Seriâ Ènergetika  
Statistical modelling of a non-linear high-power amplifier with memory in multi-input-multi-output orthogonal frequency division multiplexing systems, Communications, IET, 2014, vol. 8, issue. 5, pp. 714  ...  Optimal and suboptimal resource allocation in multiple-input multipleoutput-orthogonal frequency division multiplexingbased multi-relay cooperative cognitive radio networks.  ... 
doi:10.14529/power150104 fatcat:x6ae76zqnbef7a7eb4e6xjr7ze

A multi-mode IFFT/FFT processor for IEEE 802.11ac: design and implementation

Abdelmohsen Ali, Walaa Hamouda
2015 Wireless Communications and Mobile Computing  
In this paper, we present 64/128/256/512 point inverse fast Fourier transform (IFFT)/FFT processor for single-user and multi-user multiple-input multipleoutput orthogonal frequency-division multiplexing  ...  Moreover, less power is needed in our design compared with traditional software approach.  ...  The new generation WLAN uses Orthogonal Frequency Division Multiplex-10 ing (OFDM) technology, similar to 802.11n, to cope with severe varying channel conditions and narrowband interference.  ... 
doi:10.1002/wcm.2643 fatcat:n3arzlaymne65nvn4brombv24u

Energy-Efficient Distributed Estimation by Utilizing a Nonlinear Amplifier

Robert W. Santucci, Mahesh K. Banavar, Cihan Tepedelenlioglu, Andreas Spanias
2014 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
There have been several studies on optimizing power allocation in wireless sensor networks used for distributed estimation, the vast majority of which assume linear radio-frequency amplifiers.  ...  To compensate for the first challenge, predistortion is utilized not to linearize amplifiers but rather to force them to fit a common nonlinear limiting amplifier model close to the inherent amplifier  ...  One common modulation system in use today which has peak-to-average power variations (PAR) of around 10dB is orthogonal frequency-division multiplexing (OFDM).  ... 
doi:10.1109/tcsi.2013.2268354 fatcat:inv2xx6oubca7m6dwxkq777ssa

The sensitivity of modulation fidelity on PA envelope variation in OFDM transmitter systems

Yiming Lei, Mingke Dong, Ye Jin
2014 EURASIP Journal on Wireless Communications and Networking  
Intermodulation distortion (IMD) caused by nonlinear power amplifier (PA) is a major weakness in orthogonal frequency-division multiplexing (OFDM) transmitter systems, and most behavioral studies of IMD  ...  In recent papers, PA percentage linearization (PL), a general measurement for PA envelope variation, is investigated for its influence on system performance.  ...  Acknowledgements The authors wish to acknowledge the support from State Key Laboratory of  ... 
doi:10.1186/1687-1499-2014-52 fatcat:bftkcqzkzzbqlidvkjs57gtuiu

On Self-Interference Cancellation and Non-Idealities Suppression in Full-Duplex Radio Transceivers

Areeba Ayesha, MuhibUr Rahman, Amir Haider, Shabbir Majeed Chaudhry
2021 Mathematics  
Linearization of RF impairments such as IQ mixer imbalance in the transmitter and receiver chain, non-linear PA with memory, and non-linear LNA are also carried out.  ...  Performance evaluation of the proposed techniques is carried out based on SINR, the power of different SI signal components, PSD, output to input relationship, SNR vs.  ...  The above Equation (3) can be expressed in terms of orthogonal frequency division multiplexing (OFDM) symbols as non-negative "O m (n)" and mirror "O −m (n)" OFDM sub-carriers with IQ imbalance after  ... 
doi:10.3390/math9121434 fatcat:324a5ysl7fftnimeki73e4wybe

Bit Error Rate Analysis of NOMA-OFDM in 5G Systems with Non-Linear HPA With Memory

Alexander Hilario-Tacuri, Jesus Maldonado, Mario Revollo, Hernan Chambi
2021 IEEE Access  
This high PAPR is due to its multi-carrier nature and can generate non-linear distortions in the OFDM signal when it passes through a non-linear High Power Amplifier (HPA) [22] .  ...  On the other hand, the classical Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier waveform designed to deal with multipath reception problems such as inter-symbol interference.  ...  He is currently a part of the top tenth in his school's ranking, being in the last year in the career of electronic engineering.  ... 
doi:10.1109/access.2021.3087536 fatcat:6qtrhgivcrhznegyqcp4hcxf7a
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