Journal
IEEE WIRELESS COMMUNICATIONS LETTERS
Volume 10, Issue 3, Pages 599-603Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2020.3039483
Keywords
Communication systems; Apertures; Reflector antennas; Reflection; Aperture antennas; Electromagnetics; Guidelines; Aperture efficiency; intelligent reflecting surfaces; pathloss model
Categories
Funding
- Leverhulme Trust [RL-2019-019]
- U.K. Research and Innovation Future Leaders Fellowships [MR/S017666/1]
- Engineering and Physical Sciences Research Council (EPSRC), U.K. [EP/P000673/1]
- EPSRC [EP/P000673/1] Funding Source: UKRI
- UKRI [MR/S017666/1] Funding Source: UKRI
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The concept of intelligent reflecting surfaces (IRS) has gained significant attention for manipulating electromagnetic signals and offering anomalous reflections. This work addresses the missing piece of prior research by providing practical guidelines for selecting the aperture size of the reflecting surface and revisiting the pathloss expression based on a realistic physical model.
The concept of intelligent reflecting surfaces (IRS) has recently gained significant attention due to their ability to manipulate the impinging electromagnetic signals and offer anomalous reflections. In this letter, we derive and address the missing piece of prior works, namely the IRS aperture efficiency. Our work provides practical guidelines for selecting the aperture size of the reflecting surface from an antenna designing point of view by taking tapering level into account, and also, revisits the pathloss expression based on a realistic physical model.
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