This paper presents a critical review of modern 4G, 4G/5G, and 5G antennas, which employ
PIN diodes and Varactors for polarization or frequency reconfiguration. For the reviewed 4G …

This paper proposes a reconfigurable polarization converter based on a pin diode controlled
active metasurface (AMS). The AMS consists of a thin dielectric substrate and is tuned by …

This letter presents the design of a novel frequency-and pattern-reconfigurable antenna. The
antenna consists of a simple rectangular patch with two longitudinal slits. The slits are …

As the same device may be used for various types of applications, antennas must have the
capacity to perform multiple functions. Reconfiguring the polarization, operational frequency …

In this article, a polarization reconfigurable concentric circle microstrip antenna with
simultaneous frequency agility has presented. The frequency agility and polarization …

Abstract The Rhombus Shaped Fractal Antenna with stub loaded defected ground plane is
presented for UWB wireless applications. Proposed antenna bears the overall compact size …

A novel low-profile circularly polarized (CP) diversity patch antenna with extremely small
edge-to-edge distance, reduced size, and low mutual coupling is proposed under dual …

Wireless networks are experiencing a surge in demand for data bandwidth, necessitating
higher performance and faster data rates. However, conventional signal processing …

This paper proposes the circularly polarized (CP) antennas with a restored radiation pattern
for the polarization diversity applications. The proposed CP antennas have dual …

This paper proposes a novel design of a reconfigurable microstrip array antenna for circular
polarization (CP) switching function. The proposed array is implemented in a arrangement …