60 GHz beam-tilting coplanar slotted SIW antenna array-Reference-Cited by-同舟云学术

60 GHz beam-tilting coplanar slotted SIW antenna array

Published:2021-07-13 Issue:1-2 Volume:76 Page:29-36
ISSN:0016-1136
Container-title:Frequenz
language:en
Short-container-title:

Author:

Vettikalladi Hamsakutty¹,Sethi Waleed Tariq²,Himdi Mohammed³,Alkanhal Majeed¹

Affiliation:

1. Department of Electrical Engineering , King Saud University , Riyadh , 11421 , Saudi Arabia

2. KACST-TIC in Radio Frequency and Photonics (RFTONICS), King Saud University , Riyadh 11421 , Saudi Arabia

3. Institut d’Electronique et des Technologies du numéRique (IETR) , UMR CNRS 6164 , Université de Rennes 1 , Campus de Beaulieu , 35042 Rennes Cedex , France

Abstract

Abstract This article presents a 60 GHz coplanar fed slotted antenna based on substrate integrated waveguide (SIW) technology for beam-tilting applications. The longitudinal passive slots are fed via associated SIW holes adjacent to the coplanar feed while the main excitation is provided from the microstrip-to-SIW transition. The antenna array achieves an impedance bandwidth of 57–64 GHz with gains reaching to 12 dBi. The passive SIW slots are excited with various orientations of coplanar feeds and associated holes covering an angular beam-tilting from −56° to +56° with an offset of 10° at the central frequency. The novelty of this work is; beam-tilting is achieved without the use of any active/passive phase shifters which improves the design in terms of losses and provide a much simpler alternative compared to the complex geometries available in the literature at the 60 GHz band.

Publisher

Walter de Gruyter GmbH

Subject

Electrical and Electronic Engineering

Link

https://www.degruyter.com/document/doi/10.1515/freq-2021-0069/pdf

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