Modern era of wireless communication relies on the evolution of adaptive antennas. This
influences the new age antenna designs to adapt themselves to the changing RF …

Smart world is envisioned as an era in which objects (eg, watches, mobile phones,
computers, cars, buses, and trains) can automatically and intelligently serve people in a …

The advancement in wireless communications requires the integration of multiple radios into
a single platform to maximize connectivity. In this paper, the design process of …

Cognitive radio technologies enable users to opportunistically access unused licensed
spectrum and are viewed as a promising way to deal with the current spectrum crisis. Over …

A novel compact single-substrate planar multiband five-element multiple-input multiple-
output (MIMO) antenna system is presented in this paper. The tunable two-element folded …

A reconfigurable microstrip monopole antenna that uses three closely spaced substrate
milled channels filled with either air or dielectric fluid is presented. Based on the number of …

With advances in telecommunications, an increasing number of services rely on high data
rate spectrum access. These critical services include banking, telemedicine, and exchange …

In this communication, a tunable circularly polarized (CP) antenna with a reconfigurable
integrated feed network is proposed for cognitive radio (CR) applications. The integrated …

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 work, we introduce a conceptually new approach for designing frequency
reconfigurable wire antennas based on the use of multi-layered wrap** metasurfaces …