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Paper Abstract and Keywords
Presentation 2024-07-18 17:10
A Study on the Fast Selection Method for IRS Phase Shifts by Distributed Quantum Computing
Takahiro Ohyama (PSNRD/Tohoku Univ.), Yuichi Kawamoto, Nei Kato (Tohoku Univ.) RCS2024-106
Abstract (in Japanese) (See Japanese page) 
(in English) Technologies that will greatly improve energy use efficiency in sixth-generation (6G) mobile communication systems include intelligent reflecting surfaces (IRS), which enables control of propagation characteristics, and quantum computing, which enables very fast and energy-efficient computation of specific problems, has been attracting attention. To achieve efficient communication using IRS, it is necessary to flexibly control the reflection level for each angle (reflection pattern) according to the communication environment. However, designing phase shifts that can realize reflection patterns containing multiple beams and nulls is challenging. We have been investigating a method that prepares reflection patterns for all combinations of phase shift settings for IRS with discrete phase shift capabilities, and rapidly selects the desired phase shift setting using a quantum algorithm. This report presents the findings of a study on splitting the aforementioned computations and distributing them across multiple small-scale quantum computers for parallel processing.
Keyword (in Japanese) (See Japanese page) 
(in English) Intelligent Reflecting Surface (IRS), / Reconfigurable Intelligent Surface (RIS) / Distributed Quantum Computing / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 107, RCS2024-106, pp. 113-118, July 2024.
Paper # RCS2024-106 
Date of Issue 2024-07-10 (RCS) 
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 RCS2024-106

Conference Information
Committee RCC RCS SeMI NS SR RISING  
Conference Date 2024-07-17 - 2024-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Citizens Activities Promotion Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2024-07-RCC-RCS-SeMI-NS-SR-RISING 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on the Fast Selection Method for IRS Phase Shifts by Distributed Quantum Computing 
Sub Title (in English)  
Keyword(1) Intelligent Reflecting Surface (IRS),  
Keyword(2) Reconfigurable Intelligent Surface (RIS)  
Keyword(3) Distributed Quantum Computing  
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1st Author's Name Takahiro Ohyama  
1st Author's Affiliation Panasonic System Networks R&D Lab. Co., Ltd./Tohoku University (PSNRD/Tohoku Univ.)
2nd Author's Name Yuichi Kawamoto  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Nei Kato  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2024-07-18 17:10:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2024-106 
Volume (vol) vol.124 
Number (no) no.107 
Page pp.113-118 
#Pages 6 
Date of Issue 2024-07-10 (RCS) 

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