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This letter presents a subwavelength slot-fed high-gain dual-layer corrugated plate antenna for X -band applications. The antenna is realized by placing a second corrugated layer that has three radiating slots on top of the traditional corrugated plate antenna. The addition of the second layer improves the gain and bandwidth of the proposed antenna. Compared to a traditional single-layer corrugated...
In this paper a design of linearly and circularly polarised Bull's Eye antenna is presented. The proposed antenna consists of two identical rectangular slots in a shape of cross surrounded by symmetric periodic grooves drilled in the surface of metallic plate. The antenna can operate on vertical, horizontal and circular polarisation over its entire bandwidth. It resonates at 14.8 GHz and it has a...
This paper presents a design of novel and small two layers corrugated grooves millimetre wave antenna. The proposed antenna has dual resonance frequencies at 61.4 GHz and at 62.7 GHz with a bandwidth of 2.9 GHz and a maximum gain of 15.2 dB at 62GHz. The antenna has dimensions of 20mm × 19mm and overall thickness of 2.9mm. In comparison to the conventional corrugated grooves antenna, the two layers...
A circular co-planar inverted-F antenna (CCIFA) for UHF Machine-to-Machine (M2M) communications is presented and analyzed in this paper. The proposed antenna is designed with a common PCB with only one metal layer forming a ring and disk with a radius of less than 0.1λ. An optimized design operating at 480MHz with a radius of 33mm is analyzed. The performance of the antenna is compared with existing...
A novel, compact, low-cost, pattern reconfigurable Dielectric Loaded Antenna (DLA) is presented in this paper. This DLA has the advantage of broadband (5–6 GHz), dual-polarization with high isolation between two polarizations (better than 30 dB), symmetrical and directional radiation pattern with low cross-polarization. The uniqueness of this design is represented by the re-configurability of the...
The millimetre-wave band provides a few important advantages for body-centric communications. First of all, efficient high-gain antennas can be made sufficiently small to fit in small portable devices which can be worn on the body. Secondly, much more license-free bandwidth is available in this frequency band and, therefore, data transfers can be much faster. This allows for quick transfer of video...
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