An Overview of Recent Development of the Gap-Waveguide Technology for mmWave and Sub-THz Applications

Wai Yan Yong*, Abbas Vosoogh, Alireza Bagheri, Coen Van De Ven, Abolfazl Hadaddi, Andres Alayon Glazunov

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

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Abstract

The millimeter-wave (mmWave) and sub-terahertz (sub-THz) bands have received much attention in recent years for wireless communication and high-resolution imaging radar applications. The objective of this paper is to provide an overview of recent developments in the design and technical implementation of GW-based antenna systems and components. This paper begins by comparing the GW-transmission line to other widely used transmission lines for the mmWave and sub-THz bands. Furthermore, the basic operating principle and possible implementation technique of the GW-technology are briefly discussed. In addition, various antennas and passive components have been developed based on the GW-technology. Despite its advantages in controlling electromagnetic wave propagation, it is also widely used for the packaging of electronic components such as transceivers and power amplifiers. This article also provided an overview of the current manufacturing technologies that are commonly used for the fabrication of GW-components. Finally, the practical applications and industry interest in GW technology developments for mmWave and sub-THz applications have been scrutinized.

Original languageEnglish
Pages (from-to)69378-69400
Number of pages23
JournalIEEE Access
Volume11
DOIs
Publication statusPublished - 2023

Keywords

  • Antenna
  • artificial magnetic conductor (AMC)
  • beamforming
  • filter
  • gap waveguide
  • manufacturing
  • metamaterial
  • millimeter-wave
  • packaging
  • terahertz (THz)
  • waveguide

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