Passive intelligent reflecting surfaces based on reflectarray panels to enhance 5G millimeter-wave coverage

This paper presents the design of two passive shaped-beam reflectarrays acting as passive intelligent reflecting surfaces (IRSs) to enhance 5G millimeter-wave coverage in the 27.2–28.2 GHz band. The reflectarray panels have been designed to generate a broadened and deflected beam in dual-linear pola...

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Bibliographic Details
Published in:International journal of microwave and wireless technologies 2023-02, Vol.15 (1), p.3-14
Main Authors: Martinez-de-Rioja, Eduardo, Vaquero, Álvaro F., Arrebola, Manuel, Carrasco, Eduardo, Encinar, Jose A., Achour, Maha
Format: Article
Language:English
Subjects:
5G mobile communication
Angle of reflection
Antennas
Design
Energy consumption
EuCAP 2021 Special Issue
Horizontal polarization
Incidence angle
Linear polarization
Millimeter waves
Panels
Phase distribution
Radiation
Reconfigurable intelligent surfaces
Vertical polarization
Wireless networks
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Summary:This paper presents the design of two passive shaped-beam reflectarrays acting as passive intelligent reflecting surfaces (IRSs) to enhance 5G millimeter-wave coverage in the 27.2–28.2 GHz band. The reflectarray panels have been designed to generate a broadened and deflected beam in dual-linear polarization (horizontal and vertical). The reflectarray cell provides a robust performance under incidence angles of up to 50°, with more than 360° of phase variation range. Phase-only synthesis based on the generalized intersection approach has been applied to obtain the phase distribution on each reflectarray panel, so that their radiation patterns comply with the beamwidth and pointing requirements of the scenario under study. The two reflectarrays show a stable performance in the 27.2–28.2 GHz band in terms of gain, side-lobe level, and cross-polarization. The results confirm the potential of this technology to implement passive low-cost IRSs that will contribute to improve millimeter-wave coverage in 5G wireless networks.
ISSN:1759-0787
1759-0795
DOI:10.1017/S1759078722000721