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Paper Abstract and Keywords
Presentation 2022-03-08 15:50
A 28 GHz Band Circularly Polarized Antenna Constituted by a Cross Loop Structure
Mayumi Matsunaga (Shizuoka Univ.) WPT2021-40
Abstract (in Japanese) (See Japanese page) 
(in English) This report presents that a 28 GHz band circularly polarized antenna has been achieved with the cross loop invented by the author. The expected communication performance for the 5th generation mobile communication system(5G) will be obtained by using the 28 GHz band. The microwave band called the Sub 6 band is mainly used in 5G as of 2021, though. Moreover, most mobile devices are installed only sub 6 band antennas, but almost no 28 GHz band antennas. This is not only because millimeter waves are generally affected by surrounding environment a lot and propagate only short distances, but also it is difficult for constituting millimeter wave antenna by using dielectric substrates as in the microwave band. In this report, the circularly polarized antenna radiating tilted beam with high radiation efficiency is challenged to be configured on a dielectric substrate by using the cross loop invented by the author. As a result, the author realized an antenna that radiates circularly polarized waves with axial ratios of 3 dB or less with a wide beam width of about 110 degrees in a direction inclined by 60 degrees with respect to the normal of the dielectric substrate around 28 GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Circularly polarized antennas / 28 GHz / loop antennas / cross loop antennas / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 414, WPT2021-40, pp. 86-88, March 2022.
Paper # WPT2021-40 
Date of Issue 2022-02-28 (WPT) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF WPT2021-40

Conference Information
Committee WPT  
Conference Date 2022-03-07 - 2022-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To WPT 
Conference Code 2022-03-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A 28 GHz Band Circularly Polarized Antenna Constituted by a Cross Loop Structure 
Sub Title (in English)  
Keyword(1) Circularly polarized antennas  
Keyword(2) 28 GHz  
Keyword(3) loop antennas  
Keyword(4) cross loop antennas  
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1st Author's Name Mayumi Matsunaga  
1st Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-1 
Date Time 2022-03-08 15:50:00 
Presentation Time 25 minutes 
Registration for WPT 
Paper # WPT2021-40 
Volume (vol) vol.121 
Number (no) no.414 
Page pp.86-88 
#Pages 3 
Date of Issue 2022-02-28 (WPT) 

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