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

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作者
Shaikh, Mohd Hamza Naim [1 ]
Bohara, Vivek Ashok [1 ]
Srivastava, Anand [1 ]
Ghatak, Gourab [1 ]
机构
[1] Department of Electronics and Communication Engineering, Wirocomm Research Group, Indraprastha Institute of Information Technology Delhi, New Delhi, India
关键词
Metamaterials - Radio transceivers - Antenna arrays - Spectrum efficiency;
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摘要
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. © 2020 IEEE.
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页码:671 / 686
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