Antennas and Arrays in Wireless Communication Systems

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

Deadline for manuscript submissions: 30 May 2026 | Viewed by 248

Special Issue Editors

School of Information and Communications Engineering, Xi’an Jiaotong University, Xi’an 710049, China
Interests: multi-beam antenna; leaky-wave antenna; 3D printed antenna
Special Issues, Collections and Topics in MDPI journals
1. Wuxi Campus, Southeast University, Wuxi 214127, China
2. State Key Laboratory of Millimeter Waves, School of Information Science and Engineering, Southeast University, Nanjing 210096, China
Interests: metamaterials; metasurfaces; spoof surface plasmon polaritons; leaky-wave antennas; metamaterial antennas; array antennas
Special Issues, Collections and Topics in MDPI journals
School of Integrated Circuits, Nanjing University of Aeronautics and Astronautics, Nanjing, China
Interests: RF microsystems; gap waveguide technology; three-dimensional heterogeneous integration; phased-array systems; and antenna-in-package

Special Issue Information

Dear Colleagues,

The relentless drive toward higher frequencies, wider bandwidths, and denser channel reuse is turning the antenna and array into the critical bottleneck of every next-generation link. Whether steering pencil beams through mmWave urban canyons, stitching together cell-free massive-MIMO coverage, or weaving sub-THz joint communication-and-sensing apertures, future radios demand radiators that are simultaneously broadband, low-profile, tightly packed, and thermally resilient. Achieving these conflicting goals calls for a fundamental rethink of element geometry, feed topology, mutual-coupling control, material integration, and package co-design—advances that must originate at the antenna level long before signal-processing algorithms can offer any further gain. This Special Issue welcomes theoretical, computational, and experimental contributions that push the physical limits of antennas and arrays to meet the escalating performance, efficiency, and reliability targets of 5G-Advanced and 6G wireless systems.

This Special Issue seeks to gather and spotlight the latest advancements in antenna and array architecture—breakthroughs that will extend the reach of next-generation wireless systems and continually redraw the boundaries of what electromagnetic apertures can achieve. We warmly welcome researchers and industry professionals to submit original contributions that advance the state of the art across, but not limited to, the following areas:

  • Antenna array;
  • Phased array antenna;
  • MIMO antenna;
  • Antenna decoupling;
  • Reconfigurable antenna;
  • Beamforming;
  • Terminal Antenna;
  • Rectenna;
  • wearable antennas;
  • Millimeter-wave and THz antennas.

Dr. Yuanxi Cao
Dr. Meng Wang
Dr. Enlin Wang
Guest Editors

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Keywords

  • antenna array
  • phased array antenna
  • MIMO antenna
  • antenna decoupling
  • reconfigurable antenna
  • beamforming

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Published Papers (1 paper)

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Research

17 pages, 753 KB  
Article
Two-Stage Combining and Beamforming Scheme for Multi-Pair Users FDD Massive MIMO Relay Systems
by Dan Ge, Yunchao Song, Tianbao Gao and Huibin Liang
Electronics 2026, 15(2), 310; https://doi.org/10.3390/electronics15020310 - 10 Jan 2026
Viewed by 106
Abstract
In this study, we consider multi-pair user frequency division duplexing massive MIMO relay systems and design a two-stage combining and beamforming (TSCB) scheme based on statistical channel state information (S-CSI). By leveraging S-CSI to co-design the pre-combining matrix and the pre-beamforming matrix, the [...] Read more.
In this study, we consider multi-pair user frequency division duplexing massive MIMO relay systems and design a two-stage combining and beamforming (TSCB) scheme based on statistical channel state information (S-CSI). By leveraging S-CSI to co-design the pre-combining matrix and the pre-beamforming matrix, the scheme reduces the equivalent channel matrix dimensions, thereby cutting the pilot overhead. In the first stage, the two matrices are constructed through a selection of beams from a discrete Fourier transform codebook and mathematically cast as a multivariate optimization problem. An alternative optimization algorithm is proposed by splitting it into three sub-problems. The first two are 0–1 integer programming problems solved by iterative beam selection, while the third is a convex problem that is solved using a convex optimization algorithm. In the second stage, the reduced-dimension equivalent matrices are then estimated with low overhead, and a digital precoding matrix is then designed using zero-forcing algorithms. Simulations confirm the TSCB scheme’s superior ESE performance over that of existing methods. Full article
(This article belongs to the Special Issue Antennas and Arrays in Wireless Communication Systems)
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