Performance analysis of intelligent reflecting surface-assisted wireless system with non-ideal transceiver

MHN Shaikh, VA Bohara, A Srivastava… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Intelligent Reflecting Surfaces (IRSs) have recently emerged as a promising solution for
realizing the smart radio environment concept by leveraging the characteristics of …

Analytical modeling of MIMO-OFDM system in the presence of nonlinear power amplifier with memory

H Hemesi, A Abdipour… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
In this paper, the effects of nonlinear High Power Amplifier (HPA) with memory on Multi-Input
Multi-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) system are …

Energy efficiency evaluation for downlink full-duplex nonlinear MU-MIMO-OFDM system with self-energy recycling

MHN Shaikh, VA Bohara, P Aggarwal… - IEEE Systems …, 2020 - ieeexplore.ieee.org
Energy-efficient wireless system design has gained considerable attraction owing to the
widespread proliferation of wireless devices. The next-generation wireless systems should …

End-to-end theoretical evaluation of a nonlinear MIMO-OFDM system in the presence of digital predistorter

P Aggarwal, VA Bohara - IEEE Systems Journal, 2018 - ieeexplore.ieee.org
Wireless communication systems are inherently nonlinear due to the presence of high
power amplifier (HPA) at the transmitter. The impact of nonlinearity is more severe for the …

A comparative study of digital self-interference cancellation techniques in in-band full-duplex OFDM systems

S Karthika, T Manimekalai, T Laxmikandan - Wireless Personal …, 2020 - Springer
Abstract In-Band Full-Duplex is a powerful technique which theoretically doubles the
spectral efficiency. It significantly contributes to the ever-increasing demand for high data …

Characterization of HPA using two dimensional general memory polynomial for dual band carrier aggregated MIMO-OFDM systems

P Aggarwal, VA Bohara - 2016 IEEE International Conference …, 2016 - ieeexplore.ieee.org
This paper analyzes the impact of nonlinear distortion caused by high power amplifier (HPA)
on a dual band carrier aggregated multi input multi output (MIMO) orthogonal frequency …

On the multiband carrier aggregated nonlinear LTE-A system

P Aggarwal, VA Bohara - IEEE Access, 2017 - ieeexplore.ieee.org
This paper analyzes the impact of nonlinear high power amplifiers (HPAs) on the multiband
carrier aggregated (CA) long-term evolution-advanced (LTE-A) system. It is assumed that …

A factor graph approach to digital self-interference mitigation in ofdm full-duplex systems

F Lehmann, AO Berthet - IEEE Signal Processing Letters, 2017 - ieeexplore.ieee.org
Digital self-interference cancellation is a major challenge for orthogonal frequency division
multiplexing full-duplex transmissions. Therefore, reliable estimation of both the signal-of …

Power amplifier linearisation scheme to mitigate superfluous radiations and suppress adjacent channel interference

P Varahram, BM Ali, S Mohammady… - IET …, 2014 - Wiley Online Library
Power amplifiers are one of the costly devices in wireless communication systems and
exhibit non‐linearity. The problem of non‐linearity in the power amplifier categorises in two …

Analysis of OFDM error rates over nonlinear fading radio channels

NY Ermolova - IEEE transactions on wireless communications, 2010 - ieeexplore.ieee.org
This letter addresses the problem of OFDM analytical error rate evaluation over fading
channels under nonlinear amplification. We obtain approximate solutions to the problem …