A low complexity enhanced-NOMA scheme to reduce inter-user interference, BER and PAPR in 5G wireless systems

M Kazemian, J Abouei, A Anpalagan - Physical Communication, 2021 - Elsevier
Non-orthogonal multiple access (NOMA) has been recognized as an attractive technique to
address the increasing traffic demands for heterogeneous wireless networks. The …

Peak-to-average power ratio reduction of OFDM signals using improved PTS scheme with low computational complexity

A Joshi, DS Saini - 2013 - ir.juit.ac.in
In wireless communication, parallel transmission of symbols using multi carriers is applied to
achieve high efficiency in terms of throughput and better transmission quality. Orthogonal …

A robust peak-to-average power ratio reduction scheme by inserting dummy signals with enhanced partial transmit sequence in OFDM systems

P Varahram, S Mohammady, BM Ali - Wireless personal communications, 2013 - Springer
Peak-to-average power ratio (PAPR) is one of the main drawbacks in orthogonal frequency
division multiplexing (OFDM) systems. High PAPR forces the power amplifier to back off in …

Peak-to-average power ratio reduction based on cross-correlation in OFDM systems

M Kazemian, P Varahram, SJB Hashim… - 16th International …, 2014 - ieeexplore.ieee.org
Two of the most important techniques of Peak-to-average power ratio (PAPR) reduction in
orthogonal frequency division multiplexing (OFDM) systems are Partial Transmit Sequence …

A low complexity peak-to-average power ratio reduction scheme based on selected mapping and radix-II IFFT in OFDM systems

M Kazemian, P Varahram, SJ Hashim, BM Ali… - Telecommunication …, 2018 - Springer
Because of its lack of feedback process and the simplicity of its searching algorithm,
conventional selected mapping (CSLM) is an efficient peak-to-average power ratio (PAPR) …

A new metric for the envelope of OFDM signals based on memory power amplifier

X Zhang, X Zhu, Y Tang - Wireless personal communications, 2014 - Springer
Orthogonal frequency division multiplexing (OFDM) signals with large envelope variations
usually requires power de-rating operation on the power amplifier (PA) to meet the …

A Combined Approach of DPD and CFR in F-OFDM System

M Qing, Z Luo - Wireless Personal Communications, 2020 - Springer
The nonlinear distortion of the power amplifier (PA) is studied for Filtered Orthogonal
Frequency Division Multiplexing (F-OFDM) systems, which will be adopted in the fifth …

An average power tracking method for wideband highly nonlinear power amplifiers

S Zhu, A Zhang, Z Xu, X Dong - IEEE Microwave and Wireless …, 2015 - ieeexplore.ieee.org
An accurate average power tracking method is presented to track and compensate the
fluctuation of power amplifier (PA) output during updates of digital predistorter. Firstly, joint …

A peak to average power ratio reduction scheme to increase power efficiency in broadband communication systems

M Kazemian, P Varahram, BM Ali - The 20th Asia-Pacific …, 2014 - ieeexplore.ieee.org
Enhanced partial transmit sequence (EPTS) and cross-correlation-PTS are two techniques
for reducing peak-to-average power ratio (PAPR) in orthogonal frequency division …

[PDF][PDF] A Hermite Interpolated LUT for RF Power Amplifiers

D Selvadurai, RM Sidek, K Al-Hussaini… - … OF SCIENCE AND …, 2017 - researchgate.net
Digital predistortion is one of the most widely used techniques to linearize a power amplifier
(PA) to reduce the error vector magnitude (EVM) distortion and spectral regrowth. By far, the …