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Paper Abstract and Keywords
Presentation 2023-05-12 11:00
[Invited Talk] Reconfigurable Intelligent Surface assisted Wireless Networks for High Frequency Bands
Kaoru Ota (Muroran IT) SR2023-18
Abstract (in Japanese) (See Japanese page) 
(in English) While high-frequency bands are a promising spectrum for achieving high-speed wireless communication in beyond 5G networks, it is very sensitive to blockage from buildings and objects due to high propagation loss. Reconfigurable Intelligent Surface (RIS) which is made of many passive reflection elements is an emerging technology to control high-frequency radio waves and optimize wireless communication environments. However, to deploy RIS in the real world, there exists various research issues to be tacked such as an increase in environmental noises and the complexity of propagation paths. In this talk, I will introduce our research progress in this field from two perspectives: firstly, I talk about an optimization problem of maximizing the average achievable rate for multiple users' indoor wireless communication with multiple RIS and explain our approach to solving the problem. Then, I talk about an optimization problem of maximizing the coverage of outdoor wireless communication environments with multiple RIS and explain our approach to finding optimal solutions.
Keyword (in Japanese) (See Japanese page) 
(in English) Reconfigurable Intelligent Surface / Indoor and Outdoor Communication / Optimization / / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 19, SR2023-18, pp. 89-89, May 2023.
Paper # SR2023-18 
Date of Issue 2023-05-04 (SR) 
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 SR2023-18

Conference Information
Committee SR  
Conference Date 2023-05-11 - 2023-05-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Center of lifelong learning Kiran (Higashi Muroran) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Software Defined Radio, Cognitive Radio, Spectrum Sharing, Machine Learning, etc. 
Paper Information
Registration To SR 
Conference Code 2023-05-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reconfigurable Intelligent Surface assisted Wireless Networks for High Frequency Bands 
Sub Title (in English)  
Keyword(1) Reconfigurable Intelligent Surface  
Keyword(2) Indoor and Outdoor Communication  
Keyword(3) Optimization  
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1st Author's Name Kaoru Ota  
1st Author's Affiliation Muroran Institute of Technology (Muroran IT)
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Speaker Author-1 
Date Time 2023-05-12 11:00:00 
Presentation Time 50 minutes 
Registration for SR 
Paper # SR2023-18 
Volume (vol) vol.123 
Number (no) no.19 
Page p.89 
#Pages 1 
Date of Issue 2023-05-04 (SR) 

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