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Paper Abstract and Keywords
Presentation 2023-11-15 15:35
Propagation Loss Estimation Method for IRS using RCS Based on the First Fresnel Zone
Hiroki Aoki, Satoshi Ito, Takuya Ohto, Takahiro Hayashi (KDDI Research) AP2023-138
Abstract (in Japanese) (See Japanese page) 
(in English) IRS (Intelligent Reflecting Surface) is a promising technology to overcome a coverage hole problem in millimeter wave
communications, which consists of many tunable passive elements and can reflect an incident wave toward an intended direction.
A physical optics is used to calculate a path loss of the transmitter-IRS-receiver link. However, it requires a higher computational
cost as the number of the passive elements increases. To address this issue, we have proposed the path loss estimation method
based on the radar equation. Although our proposed method can calculate propagation loss more simply than the physical optics,
it is assumed that the transmitter/receiver is located in front of the IRS, and the proposed method can not be applicable to practical
usage scenarios of the IRS. In this paper, we propose the path loss estimation method for arbitrary specular reflection scenarios
to make it more versatile. Numerical simulations show the effectiveness of the proposed method at arbitrary specular reflection
positions.
Keyword (in Japanese) (See Japanese page) 
(in English) IRS / Propagation / Millimeter-wave / Radar equation / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 262, AP2023-138, pp. 47-52, Nov. 2023.
Paper # AP2023-138 
Date of Issue 2023-11-08 (AP) 
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 AP2023-138

Conference Information
Committee AP RCS  
Conference Date 2023-11-15 - 2023-11-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto Prefectural Workers' Welfare Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceler, MIMO, Wireless Communications, etc. 
Paper Information
Registration To AP 
Conference Code 2023-11-AP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Propagation Loss Estimation Method for IRS using RCS Based on the First Fresnel Zone 
Sub Title (in English)  
Keyword(1) IRS  
Keyword(2) Propagation  
Keyword(3) Millimeter-wave  
Keyword(4) Radar equation  
Keyword(5)  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Hiroki Aoki  
1st Author's Affiliation KDDI Research, Inc. (KDDI Research)
2nd Author's Name Satoshi Ito  
2nd Author's Affiliation KDDI Research, Inc. (KDDI Research)
3rd Author's Name Takuya Ohto  
3rd Author's Affiliation KDDI Research, Inc. (KDDI Research)
4th Author's Name Takahiro Hayashi  
4th Author's Affiliation KDDI Research, Inc. (KDDI Research)
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Speaker Author-1 
Date Time 2023-11-15 15:35:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2023-138 
Volume (vol) vol.123 
Number (no) no.262 
Page pp.47-52 
#Pages 6 
Date of Issue 2023-11-08 (AP) 

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