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Advanced Massive MIMO Antenna Arrays, Metasurfaces and Reconfigurable Intelligent Surfaces for Sensing, Localization, and Wireless Communications: 2nd Edition

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Communications".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 586

Special Issue Editors


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Guest Editor
Department of Electronic Systems, Aalborg University, 9220 Aalborg, Denmark
Interests: MIMO antennas; reconfigurable intelligent surfaces; satcom antennas; millimeter-wave antennas
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Computer Science and Information Engineering, Hefei University of Technology, Hefei 230009, China
Interests: microwave/millimeter-wave antennas and circuits, especially in antennas based on characteristic mode theory, MIMO antennas, electromagnetic metamaterial and its applications

Special Issue Information

Dear Colleagues,

With the complex electromagnetic environment and increasing demand on communication capacity, some different technologies have been proposed and studied to fulfill the severe requirements. Among them, the massive MIMO antenna array is a promising technology to increase the channel capacity by leveraging multiple antenna elements to receive and transmit electromagnetic waves. On the other hand, massive MIMO antenna arrays can further adapt to the time-varying environment at millimeter-wave bands via beamforming. Very recently, metasurfaces and reconfigurable intelligent surfaces have been extensively studied as promising and exciting technologies for the evolved 5G and upcoming 6G wireless communications. Metasurfaces and reconfigurable intelligent surfaces comprise a plethora of subwavelength unit cells. The behavior of the unit cell (e.g., phase, polarization, and amplitude) can be flexibly controlled. As a result, metasurfaces and reconfigurable intelligent surfaces can manipulate the performance of the electromagnetic waves impinging on them, converting the unfavorable electromagnetic environment to a favorable one for high-quality and high-efficiency sensing, location, and wireless communications.

This Special Issue is being launched with the aim of collecting recent research on advanced massive MIMO antenna arrays, metasurfaces, and reconfigurable intelligent surfaces for sensing, location, and wireless communications.

Authors are kindly invited to submit their contributions to this Special Issue on topics including, but not limited to, the following:

  • Innovative theories and approaches for large communication capacity;
  • Massive MIMO antenna arrays;
  • Metasurfaces;
  • Reconfigurable intelligent surfaces;
  • Smart environment;
  • Beamforming technology;
  • New theories and algorithms for accurate sensing and location;
  • New applications of materials and new materials for wave manipulation.

Dr. Peng Mei
Prof. Dr. Shuai Zhang
Dr. Liying Nie
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antenna arrays
  • decoupling technology
  • metasurface reconfigurable intelligent surface
  • millimeter-wave communications
  • sensing and location

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Related Special Issue

Published Papers (1 paper)

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Research

19 pages, 3440 KiB  
Article
Experimental Demonstration of Sensing Using Hybrid Reconfigurable Intelligent Surfaces
by Idban Alamzadeh and Mohammadreza F. Imani
Sensors 2025, 25(6), 1811; https://doi.org/10.3390/s25061811 - 14 Mar 2025
Viewed by 398
Abstract
Acquiring information about the surrounding environment is crucial for reconfigurable intelligent surfaces (RISs) to effectively manipulate radio wave propagation. This operation can be fully automated by incorporating an integrated sensing mechanism, leading to a hybrid configuration known as a hybrid reconfigurable intelligent surface [...] Read more.
Acquiring information about the surrounding environment is crucial for reconfigurable intelligent surfaces (RISs) to effectively manipulate radio wave propagation. This operation can be fully automated by incorporating an integrated sensing mechanism, leading to a hybrid configuration known as a hybrid reconfigurable intelligent surface (HRIS). Several HRIS geometries have been studied in previous works, with full-wave simulations used to showcase their sensing capabilities. However, these simulated models often fail to address the practical design challenges associated with HRISs. This paper presents an experimental proof-of-concept for an HRIS, focusing on the design considerations that have been neglected in simulations but are vital for experimental validation. The HRIS prototype comprises two types of elements: a conventional element designed for reconfigurable reflection and a hybrid one for sensing and reconfigurable reflection. The metasurface can carry out the required sensing operations by utilizing signals coupled to several hybrid elements. This paper outlines the design considerations necessary to create a practical HRIS configuration that can be fabricated using standard PCB technology. The sensing capabilities of the HRIS are demonstrated experimentally through angle of arrival (AoA) detection. The proposed HRIS has the potential to facilitate smart, autonomous wireless communication networks, wireless power transfer, and sensing systems. Full article
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