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Survey on reconfigurable intelligent surfaces below 10 GHz

Authors
  • Tapio, Visa1
  • Hemadeh, Ibrahim2
  • Mourad, Alain2
  • Shojaeifard, Arman2
  • Juntti, Markku1
  • 1 University of Oulu, Oulu, Finland , Oulu (Finland)
  • 2 InterDigital Europe, Ltd, London, UK , London (United Kingdom)
Type
Published Article
Journal
EURASIP Journal on Wireless Communications and Networking
Publisher
Springer Science and Business Media LLC
Publication Date
Sep 10, 2021
Volume
2021
Issue
1
Identifiers
DOI: 10.1186/s13638-021-02048-5
Source
Springer Nature
Keywords
Disciplines
  • Review
License
Green

Abstract

Reconfigurable intelligent surface (RIS) is a programmable structure that can be used to control the propagation of electromagnetic waves by changing the electric and magnetic properties of the surface. By placing these surfaces in an environment, the properties of radio channels can be controlled. This opens up new opportunities to improve the performance of wireless systems. In this paper, the basic operation of antenna array and metasurface based RIS is described. While the current long term (6G) research on RIS often prioritizes very high frequencies from tens to hundreds of GHz, this paper puts emphasis rather on operating frequencies below 10 GHz which promise a much faster to market track for RIS applications. For this purpose, review of the literature on the use of RIS in wireless communication applications operating below 10 GHz frequency band is provided.

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