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| Presentation | 2012-09-27 13:00 The overseas propagation characteristic of the 5-GHz space diversity which has arranged the antenna to negative correlation Kanemi Sasaki, Hiroyuki Murakami, Shinya Kobayashi, Kenya Tomaru (Hitachi Kokusai Electric)  AP2012-85 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this report, as a method being suitable for long-range oversea propagation, we propose a configuration method of space-diversity which uses antennas placed in the relation to obtain negative correlation characteristic. According to our proposal, we have performed a field test by use of a 5GHz FWA system. In this field test, we located a radio station in Rusutsu-Mura in Hokkaido and the one in Yakumo-Cho, Hokkaido, and the distance, which includes the oversea propagation section, between two stations was 75km.Based on the result of the long-term field test, we clarify that the method we propose is effective to fading caused by reflected waves from an ocean surface. In addition, we describe effects of attenuation fading which makes negative correlation characteristics worse and is peculiar to long-range propagation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | antenna / negative correlation / space-diversity / 5GHz / fading / duct / attenuation fading / oversea propagation | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 216, AP2012-85, pp. 19-24, Sept. 2012. | |
| Paper # | AP2012-85 | |
| Date of Issue | 2012-09-20 (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 | AP2012-85 |
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| Conference Information | |
| Committee | AP MW |
| Conference Date | 2012-09-27 - 2012-09-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | KDDI R&D LABS |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave, mm-wave, and others |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2012-09-AP-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | The overseas propagation characteristic of the 5-GHz space diversity which has arranged the antenna to negative correlation |
| Sub Title (in English) | |
| Keyword(1) | antenna |
| Keyword(2) | negative correlation |
| Keyword(3) | space-diversity |
| Keyword(4) | 5GHz |
| Keyword(5) | fading |
| Keyword(6) | duct |
| Keyword(7) | attenuation fading |
| Keyword(8) | oversea propagation |
| 1st Author's Name | Kanemi Sasaki |
| 1st Author's Affiliation | Hitachi Kokusai Electric Inc (Hitachi Kokusai Electric) |
| 2nd Author's Name | Hiroyuki Murakami |
| 2nd Author's Affiliation | Hitachi Kokusai Electric Inc (Hitachi Kokusai Electric) |
| 3rd Author's Name | Shinya Kobayashi |
| 3rd Author's Affiliation | Hitachi Kokusai Electric Inc (Hitachi Kokusai Electric) |
| 4th Author's Name | Kenya Tomaru |
| 4th Author's Affiliation | Hitachi Kokusai Electric Inc (Hitachi Kokusai Electric) |
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| Speaker | Author-1 |
| Date Time | 2012-09-27 13:00:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2012-85 |
| Volume (vol) | vol.112 |
| Number (no) | no.216 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2012-09-20 (AP) |
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