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A SIW-based Wideband Circularly Polarized 4×4 Patch Array Antenna in 45 GHz Band
Author(s)
Date Issued
2019-08-22
Date Available
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.
Other Sponsorship
National Natural Science Foundation of China
Type of Material
Conference Publication
Publisher
IEEE
Copyright (Published Version)
2019 IEEE
Web versions
Language
English
Status of Item
Peer reviewed
Journal
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
File(s)
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Name
09008312_prepublishing version.pdf
Size
657.95 KB
Format
Adobe PDF
Checksum (MD5)
e4f615f903c32d308a41f848ba6258d4
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