A Wideband Water-Based 3D-Printed Reflect–Transmit Antenna Array Toward mmWave Positioning Applications
Fahad Ahmed, Farooq Faisal, Noureddine Melouki, Peyman PourMohammadi, Hassan Naseri, Tarek Djerafi, Tayeb A. Denidni
TL;DR
This paper introduces a 3D-printed water-based antenna array for millimeter-wave applications that can split and tilt beams for positioning purposes.
Contribution
The novel WBRTA array uses water and PLA unit cells to achieve wideband beam splitting and tilting for mmWave positioning.
Findings
The WBRTA array achieves peak gains of 25.2 dBi in transmission and 24 dBi in reflection.
The antenna enables beam tilting of up to 45° in both reflection and transmission modes.
It offers low sidelobe levels and high polarization purity suitable for mmWave positioning systems.
Abstract
This paper presents a water-based reflect-transmit antenna (WBRTA) array for millimeter-wave (mm-wave) applications. The WBRTA array incorporates the low-permittivity polylactic acid (PLA)- and high-permittivity water-based unit cells. The low permittivity PLA unit cells provide better transmission, whereas the water-based unit cell offers good reflections due to a very high permittivity. Therefore, the WBRTA enables simultaneous beam splitting in reflection and transmission modes across a wider bandwidth. In addition, depending on the distribution and configuration of the water- and PLA-based unit cells, the WBRTA enables beam tilting of up to 45° in the reflection and transmission modes simultaneously. The proposed WBRTA offers peak gains of 25.2 dBi in transmission and 24 dBi in reflection at the central frequency. The corresponding sidelobe levels (SLLs) are −22 dB for transmission…
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Taxonomy
TopicsAntenna Design and Analysis · Advanced Antenna and Metasurface Technologies · Microwave and Dielectric Measurement Techniques