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Paper Abstract and Keywords
Presentation 2022-11-17 09:30
A Study on Wireless Communication System Using Standalone Intelligent Reflecting Surface and Resource Allocation Method by Quantum Computing -- Shared use of IRS by multiple carriers --
Takahiro Ohyama (PSNRD), Yuichi Kawamoto, Nei Kato (Tohoku Univ.) RCS2022-174
Abstract (in Japanese) (See Japanese page) 
(in English) Intelligent reflecting surface (IRS), which enables control of propagation characteristics, has attracted attention as a technology that can greatly improve energy use efficiency in 6th generation mobile communication systems. In order to design the phase shift for each reflective element of IRS, it is necessary to obtain the channel information for all elements. However, this process is not realistic because the overhead is too large. In addition, when multiple carriers share an IRS for communication, setting the phase shift according to a specific carrier may have a negative impact on other carriers. We have proposed a wireless communication system using standalone IRS to solve these problems. We have also already proposed a method to achieve wireless resource allocation optimization in the proposed system using quantum computing. Furthermore, we have already demonstrated the effectiveness of the proposed method in a single-carrier environment. In this report, we show the effectiveness of the proposed method in an environment where IRS is shared by multiple carriers, using the results of computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) Intelligent Reflecting Surface (IRS) / Standalone IRS / Resource Allocation / Quantum Computing / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 252, RCS2022-174, pp. 112-117, Nov. 2022.
Paper # RCS2022-174 
Date of Issue 2022-11-08 (RCS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 RCS2022-174

Conference Information
Committee RCS AP UWT  
Conference Date 2022-11-15 - 2022-11-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu University, and Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2022-11-RCS-AP-UWT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Wireless Communication System Using Standalone Intelligent Reflecting Surface and Resource Allocation Method by Quantum Computing 
Sub Title (in English) Shared use of IRS by multiple carriers 
Keyword(1) Intelligent Reflecting Surface (IRS)  
Keyword(2) Standalone IRS  
Keyword(3) Resource Allocation  
Keyword(4) Quantum Computing  
1st Author's Name Takahiro Ohyama  
1st Author's Affiliation Panasonic System Networks R&D Lab. Co., Ltd. (PSNRD)
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 2022-11-17 09:30:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2022-174 
Volume (vol) vol.122 
Number (no) no.252 
Page pp.112-117 
Date of Issue 2022-11-08 (RCS) 

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