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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, Chenfeng; Liu, Pengfei; Zhu, Xiao-Wei; Zhu, 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 polarization; 45 GHz; Sequential 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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