A Wideband Circularly Polarized Antenna with a Multiple-Circular-Sector Dielectric Resonator

ABSTRACT

This paper presents the design of a wideband circularly polarized antenna using a multiple-circular-sector dielectric resonator (DR). The DR is composed of twelve circular-sector DRs with identical central angles of 30 but with different radii. A genetic Continue reading

Design and Analysis of a Silicon-based Pattern Reconfigurable Antenna Employing an Active Element Pattern Method

ABSTRACT

In this paper, a silicon-based radio frequency micro-electromechanical systems (RF MEMS) pattern reconfigurable antenna for a Ka-band application was designed, analyzed, fabricated, and measured. The proposed antenna can steer the beam among Continue reading

A Wideband Circularly Polarized Pixelated Dielectric Resonator Antenna

ABSTRACT

The design of a wideband circularly polarized pixelated dielectric resonator antenna using a real-coded genetic algorithm (GA) is presented for far-field wireless power transfer applications. The antenna consists of a dielectric resonator (DR) which is Continue reading

A Dielectric-Filled Waveguide Antenna Element for 3D Imaging Radar in High Temperature and Excessive Dust Conditions

ABSTRACT

Three-dimensional information of the burden surface in high temperature and excessive dust industrial conditions has been previously hard to obtain. This paper presents a novel microstrip-fed dielectric-filled waveguide antenna element which is resistant to dust Continue reading

Multiport Circular Polarized RFID-Tag Antenna for UHF Sensor Applications

ABSTRACT

A circular polarized patch antenna for UHF RFID tag-based sensor applications is presented, with the circular polarization (CP) generated by a new antenna shape, an asymmetric stars shaped slotted microstrip patch antenna (CP-ASSSMP). Continue reading

Design of Miniaturized Dual-Band Microstrip Antenna for WLAN Application

ABSTRACT

Wireless local area network (WLAN) is a technology that combines computer network with wireless communication technology. The 2.4 GHz and 5 GHz frequency bands in the Industrial Scientific Medical (ISM) band can be used in the WLAN environment. Continue reading

3D-Printed Super-Wideband Spidron Fractal Cube Antenna with Laminated Copper

ABSTRACT

In this paper, a 3D-printed super-wideband (SWB) Spidron fractal cube antenna is proposed. The Spidron fractal configuration is utilized as a self-complementary structure on each face of a 3D frame to attain SWB characteristics. The antenna is excited Continue reading

High-Performance Wireless Ammonia Gas Sensors based on Reduced Graphene Oxide and Nano-Silver Ink Hybrid Material Loaded on a Patch Antenna

ABSTRACT

Reduced graphene oxide (rGO) has been studied as a resistive ammonia gas sensor at room temperature. The sensitive hybrid material composed of rGO and nano-silver ink (Ag-ink) was loaded on a microstrip patch antenna to realize high-performance Continue reading