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Paper Abstract and Keywords
Presentation 2018-05-18 13:25
An estimation of secondary radiation pattern for predicting outdoor to indoor radio propagation characteristics
Keita Okahashi, Tokio Taga (Kwansei Gakuin Univ.) AP2018-30
Abstract (in Japanese) (See Japanese page) 
(in English) A numerical method combined ray-tracing technique with geometrical optic approximation is proposed and used for estimating radio interference from outdoor cell to indoor cell. However, the geometrical optic approximation needs large computation cost due to integration of electrical field on aperture plane. In this study, a window aperture is assumed as a kind of aperture antennas, and the radiation characteristics of aperture antenna that has the electrical field distribution generated by the field arrived from outdoor space are applied as the re-radiation pattern from the window aperture. The formula of radiation pattern from a window aperture are presented for predicting outdoor to indoor radio propagation characteristics, and some experimental results of radiation characteristics from an aperture on a metal screen set in an anechoic chamber are also presented. This study investigates the usefulness of reradiated pattern for predicting outdoor to indoor radio propagation by comparing calculated results with experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) Outdoor to Indoor Propagation / Window Aperture / Aperture Antenna / Reradiated Pattern / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 37, AP2018-30, pp. 95-98, May 2018.
Paper # AP2018-30 
Date of Issue 2018-05-10 (AP) 
ISSN Print edition: ISSN 0913-5685  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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF AP2018-30

Conference Information
Committee AP  
Conference Date 2018-05-17 - 2018-05-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Radio propagation, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2018-05-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An estimation of secondary radiation pattern for predicting outdoor to indoor radio propagation characteristics 
Sub Title (in English)  
Keyword(1) Outdoor to Indoor Propagation  
Keyword(2) Window Aperture  
Keyword(3) Aperture Antenna  
Keyword(4) Reradiated Pattern  
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1st Author's Name Keita Okahashi  
1st Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
2nd Author's Name Tokio Taga  
2nd Author's Affiliation Kwansei Gakuin University (Kwansei Gakuin Univ.)
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Speaker
Date Time 2018-05-18 13:25:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2018-30 
Volume (vol) IEICE-118 
Number (no) no.37 
Page pp.95-98 
#Pages IEICE-4 
Date of Issue IEICE-AP-2018-05-10 


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