Advanced MIMO Antennas for 5G, Beyond-5G, and 6G Wireless Communications

Dear Colleagues,

Multiple-input multiple-output (MIMO) antenna technology plays a fundamental role in modern wireless communication systems by significantly enhancing spectral efficiency, data throughput, link reliability, and coverage capacity. With the global deployment of 5G networks and the rapid development of Beyond-5G and 6G technologies, MIMO antenna systems are required to operate at higher frequency bands, support massive connectivity, and satisfy stringent requirements on size, energy efficiency, and integration. These new demands present both critical challenges and exciting research opportunities in antenna engineering and wireless system design.

This Special Issue aims to provide a comprehensive forum for presenting recent advances, innovative designs, and future perspectives in MIMO antennas for wireless communications. It welcomes original research and high-quality review articles addressing theoretical analysis, numerical modeling, fabrication techniques, measurement approaches, and system-level integration of MIMO antennas. Special attention is given to emerging applications, including massive MIMO systems, millimeter-wave and terahertz communications, the Internet of Things (IoT), vehicle-to-everything (V2X), satellite and airborne communications, wearable devices, and smart wireless environments.

Topics of interest include, but are not limited to, the following:

• MIMO and massive MIMO antenna design and optimization;
• Compact and integrated antenna arrays for 5G/6G systems;
• Millimeter-wave and terahertz MIMO antennas;
• Mutual coupling reduction and isolation enhancement techniques;
• Beamforming and beam-steering antenna systems;
• Reconfigurable and intelligent antenna surfaces;
• AI-assisted design, modeling, and optimization of MIMO antennas;
• MIMO antennas for IoT, V2X, satellite, and wearable applications.

Dr. Behrooz Rezaee
Guest Editor

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