Millimeter and Sub-millimeter Wave Antenna Systems

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: closed (15 September 2024) | Viewed by 2357

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Guest Editor
Department of Computer, Modeling, Electronics, and Systems Engineering, University of Calabria, 87036 Arcavacata, Italy
Interests: antennas; microwaves; electromagnetics; phased arrays; polarizers
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Special Issue Information

Dear Colleagues,

The antenna systems used for any radio communication platform are one of the critical parts of the system. The antenna system is the interface between the radio system and the external environment. Millimeter and sub-millimeter waves have been the focus of intensive research activities over the past several years. Traditionally, these frequency bands were used for high cost radio astronomy and space applications, but 5G and beyond generations of wireless communication and other consumer applications have grown significantly and need cost reduction and miniaturization in antenna systems. These aspects are the principal reason for rapidly growing interest in this topic.

The spectrum availability in millimeter and sub-millimeter wave frequency bands enables an extremely high data rate and the miniaturization of antenna systems. However, at these frequencies difficulties arise in the manufacture of classical systems and there is an increase in losses due to roughness in metallic component surfaces and dielectrics employed. This aspects need to be improved to lower technology cost and make it affordable for new, arising applications.

The objective of this Special Issue is to present recent advances in the field of millimeter and sub-millimeter wave antenna systems. Therefore, researchers are invited to submit their manuscripts to this Special Issue and contribute with their designs, proposals, and studies.

Dr. Emilio Arnieri
Guest Editor

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Keywords

  • millimeter-wave antennas
  • millimeter-wave system components
  • sub-millimeter wave antennas
  • sub-millimeter wave system components
  • manufacturing techniques of millimeter-wave antenna systems
  • manufacturing techniques of sub-millimeter wave antenna systems
  • low-cost solution for millimeter-wave antenna systems
  • low-cost solution for sub-millimeter wave antenna systems

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Published Papers (1 paper)

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Research

10 pages, 3901 KiB  
Communication
Wideband Lorenz Resonance Reconfigurable Metasurface for 5G+ Communications
by Chun Yang, Chuanchuan Yang, Cheng Zhang, Jiqiang Feng, Chen Xu and Hongbin Li
Electronics 2022, 11(24), 4105; https://doi.org/10.3390/electronics11244105 - 9 Dec 2022
Cited by 2 | Viewed by 1739
Abstract
Reconfigurable intelligent surfaces (RIS) have been considered as a promising solution to enhance the spectrum and energy efficiency of the 5G+ and future 6G wireless communication systems. The performance of RIS will become the key metric of these communication systems. In this paper, [...] Read more.
Reconfigurable intelligent surfaces (RIS) have been considered as a promising solution to enhance the spectrum and energy efficiency of the 5G+ and future 6G wireless communication systems. The performance of RIS will become the key metric of these communication systems. In this paper, we proposed a wideband Lorenz resonance-based metasurface reconfigurable reflectarray (MSRRA) realization scheme with low energy consumption targeted at the center frequency of 28 GHz. A compact voltage bias network for the varactor diodes is carefully designed to reduce losses in RF current and the influence of the bias circuit on the radiating element effectively. An equivalent circuit model for the MSRRA unit cell is also introduced to predict the properties of the MSRRA system, which can be used to optimize the MSRRA design efficiently. In the experimental tests, the proposed MSRRA system can be optimized to cover a dynamic reflection phase range of over 300° with a bandwidth of 3.83 GHz, which is consistent with the simulation results. The measured single-scattering beam bandwidth is 1.85 GHz at the center frequency of 28 GHz, which can fully cover the whole n257 channel of 5G NR. The proposed continuous tunable MSRRA can support 5G+ and 6G indoor, short-range links, and outdoor point-to-point communications. Full article
(This article belongs to the Special Issue Millimeter and Sub-millimeter Wave Antenna Systems)
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