Metasurfaces have shown their great capability to manipulate electromagnetic waves. As a
new concept, reconfigurable metasurfaces attract researchers' attention. There are many …

This paper presents a metasurface-based single-layer low-profile circularly polarized (CP)
antenna with the wideband operation and its multiple-input multiple-output (MIMO) …

This paper presents a detailed review of multifunctional pattern and polarization
reconfigurable antennas, highlighting their potential to enhance performance of the wireless …

This paper presents the design and realization of a metasurface-based low-profile wideband
Circularly Polarized (CP) patch antenna with high performance for Fifth-generation (5G) …

This chapter presents the practical application of low‐cost printed‐circuit frequency‐
scanning antennas for efficient wireless networks with smart functionalities. The design …

A new differentially fed frequency reconfigurable antenna adopting proximity-coupling
feeding for WLAN and sub-6-GHz 5G applications is proposed in this paper. It consists of …

Electromagnetic (EM) metamaterials with tailored properties are developed for wave
manipulation, filtering, and cloaking for aerospace and defense applications. While …

A hybrid metasurface (HMS) is proposed to form a low-profile wideband antenna array. The
antenna element is an array of 4× 4 square metal patches and fed by a 50 Ω microstrip line …

A metasurface-based circularly polarized (CP) microstrip patch antenna with high
performance in terms of the global bandwidth and gain is presented. The antenna …

In this letter, a 2× 2 low-profile broadband triple-mode orbital angular momentum (OAM)
array antenna is presented, which can be dynamically controlled with electrostatic method …