A SIW-based Wideband Circularly Polarized 4×4 Patch Array Antenna in 45 GHz Band

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Title: A SIW-based Wideband Circularly Polarized 4×4 Patch Array Antenna in 45 GHz Band
Authors: Li, ChenfengLiu, PengfeiZhu, Xiao-WeiZhu, Anding
Permanent link: http://hdl.handle.net/10197/12073
Date: 22-Aug-2019
Online since: 2021-03-31T10:58:56Z
Abstract: In this paper, a substrate integrated waveguide (SIW)-based wideband circularly polarized (CP) 4×4 patch array antenna operating in 45 GHz band is proposed. Firstly, a series-fed 1×4 patch subarray is designed. Sequential rotation (SR) feeding technology is adopted to extend axial-ratio (AR) bandwidth. Then, a 4×4 patch array antenna using four 1×4 patch subarrays is presented. The anti-phase feeding network is used to obtain stable CP radiation patterns among wide frequency band. The proposed antenna was fabricated and measured. -10-dB|S11| bandwidth of 27.6% (36.4-51.2 GHz), 3-dB AR bandwidth of 11.6% (41.6-47.6 GHz) and the peak gain of 17.1 dBic are achieved in the vicinity of 45 GHz.
Funding Details: National Natural Science Foundation of China
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2019 IEEE
Keywords: Substrate integrated waveguide (SDI)Circular polarization45 GHzSequential rotation
DOI: 10.1109/UCMMT47867.2019.9008312
Other versions: http://imws2014.eecs.qmul.ac.uk/
Language: en
Status of Item: Peer reviewed
Is part of: Proceedings of 2019 12th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT)
Conference Details: The 2019 12th UK-Europe-China Workshop on Millimeter Waves and Terahertz Technologies (UCMMT), London, United Kingdom, 20-22 August 2019
ISBN: 9781728129914
This item is made available under a Creative Commons License: https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Appears in Collections:Electrical and Electronic Engineering Research Collection

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