28 GHz mmWave Quasi-Lumped Element Resonator Antenna on Air-Substrate

Kamal, Shahanawaz; Omar, Mohamad Faiz Mohamed; Mohammed, Abdullahi S. B.; Ain, Mohd Fadzil; Najmi, Fathul; Hussin, Roslina; Ahmad, Zainal Arifin; Ullah, Ubaid; Othman, Mohamadariff; Rahman, Mohd Fariz Ab

doi:10.1109/apace47377.2019.9020741

Cited by 4 publications

(1 citation statement)

References 26 publications

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“…The antenna is respected as a vital module that ensures the high-quality operation of D2D communication [9,10]. In the preceding few decades, printed radiating elements have obtained substantial consideration among several categories of antennas on account of their ability to receive or broadcast electromagnetic waves with, among others, an easy manufacturing procedure [11][12][13]. Several introductory surveys on the fundamental re-quirements of long-distance 5G mmWave communication substantiate that antenna arrays offering a high gain and directional beam are required [14,15].…”

Section: Introductionmentioning

confidence: 99%

A Low-Profile Quasi-Loop Magneto-Electric Dipole Antenna Featuring a Wide Bandwidth and Circular Polarization for 5G mmWave Device-to-Device Communication

Kamal

Ain

Ullah

et al. 2022

J Electromagn Eng Sci

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The deployment of the millimeter (mmWave) frequency spectrum by fifth-generation (5G) device-to-device (D2D) wireless networks is anticipated to meet the growing demands for increased capacity. The antenna is regarded of as an important determinant that guarantees the maximum performance of wireless communication. This paper presents a low-profile magneto-electric (ME) dipole antenna for 5G mmWave D2D communication. A single-element quasi-loop radiator was designed to excite horizontal polarization, and a coaxial probe was used to produce vertical polarization. Subsequently, the structure of the radiator was transformed into a two-element quasi-loop antenna to achieve an omnidirectional radiation pattern with relatively enhanced gain. A coaxially fed T-junction microstrip element was implemented to equally distribute the signal between the two quasi-loop radiators and attain proper impedance matching. Furthermore, a pair of shorting pins was introduced into the two-element design to maintain the circularly polarized (CP) radiation. The finest values of the axial ratio and |S11| were derived by rigorously optimizing all the geometry parameters. Both single-element and two-element quasiloop antennas were fabricated and characterized experimentally on the air substrate. The advantage of avoiding a physical substrate is to realize a wide bandwidth, circumvent dielectric losses, and ascertain the maximum gain. The measured and simulated results agree thoroughly with each other. Stable in-band CP radiation were accomplished, thus confirming an appropriate field vector combination from the coaxial probe and the radiator. The finalized antenna engaged an area of ~7.6λ20 for operation at 23.9–30.0 GHz with an axial ratio <3 dB, radiation efficiency ~80%, and gain >5 dBic.

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