On the performance of IRS-assisted OFDM system with non-ideal oscillator and amplifier

被引：0
作者：
Joshi, Khagendra [1 ]
Shaikh, Mohd Hamza Naim [1 ]
Naqvi, Sana Ali [1 ]
Ashok, Vivek [1 ]
机构：
[1] IIIT Delhi, Dept Elect & Commun Engn, New Delhi 110020, India
来源：
INTERNET TECHNOLOGY LETTERS | 2022年 / 5卷 / 04期
关键词：
energy efficiency; intelligent reflecting surface; nonlinearity; OFDM; outage; performance analysis; phase noise; spectral efficiency; INTELLIGENT REFLECTING SURFACE;
D O I：
10.1002/itl2.380
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Intelligent reflective surface (IRS), a software-controlled metasurface, is now a proven and promising candidate technology to achieve superior and reliable data transmission for the next-generation mobile communication systems. This letter investigates the performance of an IRS-assisted orthogonal frequency division multiplexing (OFDM) wireless system in the presence of a non-ideal oscillator and amplifier. The analytical framework comprises of deriving the closed-form expressions for the outage probability, spectral efficiency, energy efficiency, and diversity order. The result shows that the phase noise and distortion significantly limit the performance gain of an IRS-assisted OFDM wireless communication system.
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页数：6
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