Network Coexistence Analysis of RIS-Assisted Wireless Communications

Reconfigurable intelligent surfaces (RISs) have attracted the attention of academia and industry circles because of their ability to control the electromagnetic characteristics of channel environments. However, it has been found that the introduction of an RIS may bring new and more serious network...

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Bibliographic Details
Published in:IEEE access 2022, Vol.10, p.63442-63454
Main Authors: Zhao, Yajun, Lv, Xin
Format: Article
Language:English
Subjects:
Electromagnetic properties
Electromagnetics
multilayer RIS structure
Multilayers
nontarget signal
Receivers
Reconfigurable intelligent surface
Reflection
RIS
RIS blocking mechanism
RIS network coexistence
Signal to noise ratio
target signal
Transmitters
Wireless communication
Wireless communications
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Summary:Reconfigurable intelligent surfaces (RISs) have attracted the attention of academia and industry circles because of their ability to control the electromagnetic characteristics of channel environments. However, it has been found that the introduction of an RIS may bring new and more serious network coexistence problems. It may even further deteriorate the network performance if these new network coexistence problems cannot be effectively solved. In this paper, an RIS network coexistence model is proposed and discussed in detail, and these problems are deeply analysed. Two novel RIS design mechanisms, including a novel multilayer RIS structure with an out-of-band filter and an RIS blocking mechanism, are further explored. Finally, numerical results and a discussion are given.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2022.3183139