Performance Analysis of Intelligent Reflecting Surface-Assisted Wireless System With Non-Ideal Transceiver

Intelligent Reflecting Surfaces (IRSs) have recently emerged as a promising solution for realizing the smart radio environment concept by leveraging the characteristics of metamaterials and large antenna arrays. However, the existing works on IRS do not account for the transceiver impairments while...

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Bibliographic Details
Published in:IEEE open journal of the Communications Society 2021, Vol.2, p.671-686
Main Authors: Shaikh, Mohd Hamza Naim, Bohara, Vivek Ashok, Srivastava, Anand, Ghatak, Gourab
Format: Article
Language:English
Subjects:
Antenna arrays
Closed-form solutions
Distortion
energy efficiency
Hardware
hardware impairments
Intelligent reflecting surfaces
Metamaterials
outage
performance analysis
Power system reliability
Probability
Reconfigurable intelligent surfaces
relay
spectral efficiency
Transceivers
Wireless communication
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Summary:Intelligent Reflecting Surfaces (IRSs) have recently emerged as a promising solution for realizing the smart radio environment concept by leveraging the characteristics of metamaterials and large antenna arrays. However, the existing works on IRS do not account for the transceiver impairments while analyzing the performance of IRS assisted wireless systems. This paper investigates the impact of transceiver hardware imperfections on the performance of IRS-assisted wireless systems. Specifically, we have analyzed the spectral efficiency (SE), the energy efficiency (EE) and the outage probability of IRS-assisted wireless systems by deriving their closed-form expressions and verifying them through simulation results. The results show the importance of modeling and compensating for hardware impairment as they significantly restrict the performance of such systems.
ISSN:2644-125X
2644-125X
DOI:10.1109/OJCOMS.2021.3068866