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Paper Abstract and Keywords
Presentation 2023-09-01 09:00
[Invited Lecture] A Study on IRS Placement Method Based Estimated Reflection Point Distribution in Outdoor Multipath Environments
Naoki Yamagishi, Takahiro Matsuda (TMU), Hirofumi Suganuma, Tsutomu Mitsui (Anritsu) CQ2023-33
Abstract (in Japanese) (See Japanese page) 
(in English) IRS (Inteligent Reflecting Surface) has attracted a lot of attention to expand the coverage of base stations (BS) in high frequency bands such as millimeter wave and terahertz. IRS can dynamically control the amplitudes and phases of reflected signals. Therefore, IRSs placed at appropriate locations can establish virtual line-of-sight (LOS) paths between a base station and a user equipment (UEs) even if there are obstacles between the base station and the UE. In this article, we propose an IRS placement method that utilizes the single reflection point between a base station and user equipment (UEs). The proposed method estimates the distribution of single reflection points and finds several maximum points of the estimated distribution. The optimal positions for IRSs are determined from the selected points. The proposed method is validated through simulation experiments in an outdoor multipath environment.
Keyword (in Japanese) (See Japanese page) 
(in English) IRS / Placement Method / Reflecting Point Disribution / NLOS / outdoor multipath environment / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 174, CQ2023-33, pp. 44-49, Aug. 2023.
Paper # CQ2023-33 
Date of Issue 2023-08-24 (CQ) 
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 CQ2023-33

Conference Information
Committee CQ MIKA  
Conference Date 2023-08-31 - 2023-09-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Tenjin-Misaki Sports Park 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communications Quality, 6G, IoT, Resource Management, Wireless Transmission, Cross layer Technologies, etc. 
Paper Information
Registration To CQ 
Conference Code 2023-08-CQ-MIKA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on IRS Placement Method Based Estimated Reflection Point Distribution in Outdoor Multipath Environments 
Sub Title (in English)  
Keyword(1) IRS  
Keyword(2) Placement Method  
Keyword(3) Reflecting Point Disribution  
Keyword(4) NLOS  
Keyword(5) outdoor multipath environment  
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1st Author's Name Naoki Yamagishi  
1st Author's Affiliation Tokyo Metropolitan University (TMU)
2nd Author's Name Takahiro Matsuda  
2nd Author's Affiliation Tokyo Metropolitan University (TMU)
3rd Author's Name Hirofumi Suganuma  
3rd Author's Affiliation Anritsu Corporation (Anritsu)
4th Author's Name Tsutomu Mitsui  
4th Author's Affiliation Anritsu Corporation (Anritsu)
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Speaker Author-1 
Date Time 2023-09-01 09:00:00 
Presentation Time 25 minutes 
Registration for CQ 
Paper # CQ2023-33 
Volume (vol) vol.123 
Number (no) no.174 
Page pp.44-49 
#Pages 6 
Date of Issue 2023-08-24 (CQ) 

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