A comparative analysis of various reconfigurable and multiband antenna concepts is
presented. In order to satisfy the requirements for the advanced systems used in modern …

Frequency-agile antennas can be designed to switch between a set of discrete frequencies,
or to be tuned over a continuous range of frequencies. Methods for achieving discrete or …

A new compact pattern reconfigurable U-slot antenna is presented. The antenna consists of
a U-slot patch and eight shorting posts. Each edge of the square patch is connected to two …

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 …

A new differential frequency-reconfigurable antenna based on dipoles is presented in this
letter. The basic structure of the proposed antenna consists of two pairs of vertical arms …

A novel frequency-reconfigurable antenna is presented based on a circular monopolar
patch antenna. The antenna comprises of a center-fed circular patch surrounded by four …

Transmitarrays have been shown to be viable architectures for achieving high-directivity
reconfigurable apertures. Two reconfigurable transmitarray elements, using single and …

A novel microstrip circular disc monopole antenna with a reconfigurable 10-dB impedance
bandwidth is proposed in this communication for cognitive radios (CRs). The antenna is fed …

Continuous electrowetting (CEW) is demonstrated to be an effective actuation mechanism
for reconfigurable radio frequency (RF) devices that use non-toxic liquid-metal tuning …

A new design approach for a microstrip patch antenna to achieve reconfigurable dual-band
operation with tunable frequency ratio is introduced. The approach uses a lumped capacitor …