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Paper Abstract and Keywords
Presentation 2023-05-19 11:00
Bayesian Optimization of NRD Guide Stub Filter
Keisuke Kazama, Akito Iguchi, Yasuhide tsuji (Muroran Inst. Tech.), Keita Morimoto (Univ. Hyogo), Tatsuya Kashiwa (Kitami inst. Tech.) EST2023-2
Abstract (in Japanese) (See Japanese page) 
(in English) In order to expand communication capacity, study on millimeter-wave applications is widely carried out. To realize millimeter-wave integrated circuits, compact and high performance millimeter-wave devices are indispensable and non-radiating dielectric waveguide (NRD guide) with low-loss and non-radiating nature is considered as a promising candidate of millimeter-wave platforms. For this purpose, automatic optimal design method using computer simulation is useful, and we have developed function-expansion-based topology-optimal design method and optimization method based on mosaic-like concept. Although these methods can achieve the desired transmission property, fine and complicated device structures are sometimes obtained. In this study, we consider a stub-type NRD guide device as a basic structure and optimize its structural parameters to achieve a desired transmission property. In optimal design, efficient and global optimal solution search method is required. We employ Bayesian optimization which can efficiently estimate next search points where the characteristics are likely to be improved based on the information of previous search points.
Keyword (in Japanese) (See Japanese page) 
(in English) Nonradiative dielectric waveguide / finite element method / Bayesian optimization / stub-type device / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 45, EST2023-2, pp. 5-10, May 2023.
Paper # EST2023-2 
Date of Issue 2023-05-12 (EST) 
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 EST2023-2

Conference Information
Committee EST  
Conference Date 2023-05-19 - 2023-05-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Simulation techniques, etc. 
Paper Information
Registration To EST 
Conference Code 2023-05-EST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Bayesian Optimization of NRD Guide Stub Filter 
Sub Title (in English)  
Keyword(1) Nonradiative dielectric waveguide  
Keyword(2) finite element method  
Keyword(3) Bayesian optimization  
Keyword(4) stub-type device  
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1st Author's Name Keisuke Kazama  
1st Author's Affiliation Muroran Institute of Technology (Muroran Inst. Tech.)
2nd Author's Name Akito Iguchi  
2nd Author's Affiliation Muroran Institute of Technology (Muroran Inst. Tech.)
3rd Author's Name Yasuhide tsuji  
3rd Author's Affiliation Muroran Institute of Technology (Muroran Inst. Tech.)
4th Author's Name Keita Morimoto  
4th Author's Affiliation University of Hyogo (Univ. Hyogo)
5th Author's Name Tatsuya Kashiwa  
5th Author's Affiliation Kitami Institute of Technology (Kitami inst. Tech.)
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Speaker Author-1 
Date Time 2023-05-19 11:00:00 
Presentation Time 25 minutes 
Registration for EST 
Paper # EST2023-2 
Volume (vol) vol.123 
Number (no) no.45 
Page pp.5-10 
#Pages 6 
Date of Issue 2023-05-12 (EST) 

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