Environmental sensors have come a long way over the last decade, surged in variety and
capabilities. Such growth was impossible without develo** wireless technologies …

Resonant cavity antennas (RCAs) are suitable candidates to achieve high-directivity with a
low-cost and easy fabrication process. The stable functionality of the RCAs over different …

In this paper, a miniaturized ultra-wideband antipodal tapered slot antenna with exponential
strip arms is presented. Two exponential arms with designed equations are optimized to …

This paper presents a high-gain leaky-wave antenna based on a resonant cavity (RC)
structure with the capability of unidirectional beam scanning over predefined frequencies …

This paper presents the design of wideband and ultrawideband 90° phase shifters using
coupled-line sections and low-pass/bandpass/high-pass networks with inductors and …

This paper presents the design of a wideband single-layer partially reflective surface (PRS)
for a circularly-polarized (CP) resonant cavity antenna (RCA). The proposed single layer …

An RFID sensor with the application in the food industry is proposed and investigated. The
sensor can be used to evaluate the expiry date of foods. It consists of an RFID tag (the IC …

In this letter, a rapid and easy fabrication approach of nonplanar Yagi-Uda antennas is
presented. The presented nonplanar Yagi-Uda antenna has a three-layer configuration and …

A two-port microstrip sensor antenna system is presented for characterizing different
materials. The proposed sensor antenna can estimate both permittivity and loss tangent of a …

This communication presents two classes of dual-band open-ended circular waveguide
antennas with a compact collinear end-launcher-type feed design. The proposed antennas …