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Paper Abstract and Keywords
Presentation 2021-02-19 15:40
[Invited Lecture] A Study on the Characteristics of the EBG Structure Area in the Interference Suppression between Antennas
Ryotaro Ohashi, Tai Tanaka, Shinichi Yamamoto, Michio Takikawa, Yoshio Inasawa (Mitsubishi Electric) AP2020-131
Abstract (in Japanese) (See Japanese page) 
(in English) We investigate an interference suppression in a system with a conductor wall between two antennas. We evaluated the interference suppression by putting electromagnetic band gap (EBG) structures on the conductor wall and blocking surface waves. A huge calculation cost is required to simulate a large scale propagation model including the EBG structures. In this paper, the Interference between antennas is calculated by using the angular spectrum method and the surface impedance of the EBG structures. In a system with 40 wavelengths square EBG structures, the error between the calculation result and the measurement result is 2.3 dB. We evaluate the relationship between the area of the EBG structures and the interference suppression. It is clarified that increasing the occupied area ratio of the EBG structures between antennas and reducing the loss of the EBG structures are effective to increase the interference suppression.
Keyword (in Japanese) (See Japanese page) 
(in English) antenna interference / electromagnetic band gap structure / uniform geometrical theory of diffraction / angular spectrum method / / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 373, AP2020-131, pp. 81-85, Feb. 2021.
Paper # AP2020-131 
Date of Issue 2021-02-11 (AP) 
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 AP2020-131

Conference Information
Committee AP  
Conference Date 2021-02-18 - 2021-02-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Industrial Session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2021-02-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on the Characteristics of the EBG Structure Area in the Interference Suppression between Antennas 
Sub Title (in English)  
Keyword(1) antenna interference  
Keyword(2) electromagnetic band gap structure  
Keyword(3) uniform geometrical theory of diffraction  
Keyword(4) angular spectrum method  
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Keyword(6)  
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1st Author's Name Ryotaro Ohashi  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Tai Tanaka  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Shinichi Yamamoto  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Michio Takikawa  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
5th Author's Name Yoshio Inasawa  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2021-02-19 15:40:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2020-131 
Volume (vol) vol.120 
Number (no) no.373 
Page pp.81-85 
#Pages 5 
Date of Issue 2021-02-11 (AP) 

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