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| Presentation | 2012-03-15 14:35 A Study on Path Shadowing Model due to Human Activities in Outdoor to Indoor Radio Propagation Environments Tokio Taga (Kwansei Gakuin Univ.), Tetsuro Imai (NTT docomo)  AP2011-204 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Although the propagation characteristics in outdoor region be practically the free space characteristics in a signal transmission between a cellular base station and a standstill terminal in an indoor environment, the radio waves entered into indoor space through a window aperture are shadowed by objects such as moving human bodies. As the results, the received signal has fading characteristics. In order to easily predict these fading characteristics, it is effective to construct the path shadowing model for those rays entering into the indoor space. There are some radio paths which shadowing probabilities are relatively low in the environments, but it depends on the heights of radio terminal antenna, the windows, and shadowing objects such as human body, and also on these locations. Our previously presented model would not enough to model those low shadowing probability paths. So, in this paper, an improved model is presented, through the low shadowing paths are identified, and these shadowing probabilities are formulated. The comparison between experimental and predicted results are further presented. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Outdoor to indoor propagation / Path shadowing model / Shadowing probability / Human shadowing / Channel variation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 487, AP2011-204, pp. 31-36, March 2012. | |
| Paper # | AP2011-204 | |
| Date of Issue | 2012-03-08 (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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | AP2011-204 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2012-03-15 - 2012-03-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Chuo public hall (Atami City) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2012-03-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Path Shadowing Model due to Human Activities in Outdoor to Indoor Radio Propagation Environments |
| Sub Title (in English) | |
| Keyword(1) | Outdoor to indoor propagation |
| Keyword(2) | Path shadowing model |
| Keyword(3) | Shadowing probability |
| Keyword(4) | Human shadowing |
| Keyword(5) | Channel variation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tokio Taga |
| 1st Author's Affiliation | Kwansei Gakuin University (Kwansei Gakuin Univ.) |
| 2nd Author's Name | Tetsuro Imai |
| 2nd Author's Affiliation | NTT docomo (NTT docomo) |
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| Speaker | Author-1 |
| Date Time | 2012-03-15 14:35:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2011-204 |
| Volume (vol) | vol.111 |
| Number (no) | no.487 |
| Page | pp.31-36 |
| #Pages | 6 |
| Date of Issue | 2012-03-08 (AP) |
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