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| Presentation | 2019-08-23 09:55 Experimental Evaluation and Design of the 920MHz Band Antennas with Directivity, Polarization, and Space Diversity for Indoor IoT Devices Naotake Yamamoto (Panasonic), Kobayashi Hiroaki, Yasunori Komukai, Masayuki Obata, Takashi Izumi (PSNRD), Toshiyuki Maeyama (Takushoku Univ.)  AP2019-64 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A IoT (Internet of Things) system using the 920 MHz band in indoor environment has become widespread. The IoT devices are placed indoors at various locations and installed fixed or semi-fixed. In addition, the polarization characteristics of the antenna may differ from each device. It is generally known that radio wave propagation characteristics in indoor environment are multipath rich. Therefore, in order to communicate with these devices, it is necessary to design an optimal antenna corresponding to the radio wave propagation characteristics in the actual usage environment and device’s characteristics. In this paper, we propose antennas with three diversity effects, such as directivity, polarization, and space to realize stable communication. Finally, we confirm its effectiveness by experimental evaluation in an actual indoor environment. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Antennas / Indoor Radio Wave Propagation / Diversity / IoT / 920MHz Band / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 168, AP2019-64, pp. 91-96, Aug. 2019. | |
| Paper # | AP2019-64 | |
| Date of Issue | 2019-08-14 (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 | AP2019-64 |
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| Conference Information | |
| Committee | AP |
| Conference Date | 2019-08-21 - 2019-08-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkai-Gakuen Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2019-08-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Experimental Evaluation and Design of the 920MHz Band Antennas with Directivity, Polarization, and Space Diversity for Indoor IoT Devices |
| Sub Title (in English) | |
| Keyword(1) | Antennas |
| Keyword(2) | Indoor Radio Wave Propagation |
| Keyword(3) | Diversity |
| Keyword(4) | IoT |
| Keyword(5) | 920MHz Band |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Naotake Yamamoto |
| 1st Author's Affiliation | Panasonic Corporation (Panasonic) |
| 2nd Author's Name | Kobayashi Hiroaki |
| 2nd Author's Affiliation | Panasonic System Networks R&D Lab. (PSNRD) |
| 3rd Author's Name | Yasunori Komukai |
| 3rd Author's Affiliation | Panasonic System Networks R&D Lab. (PSNRD) |
| 4th Author's Name | Masayuki Obata |
| 4th Author's Affiliation | Panasonic System Networks R&D Lab. (PSNRD) |
| 5th Author's Name | Takashi Izumi |
| 5th Author's Affiliation | Panasonic System Networks R&D Lab. (PSNRD) |
| 6th Author's Name | Toshiyuki Maeyama |
| 6th Author's Affiliation | takushoku University (Takushoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-08-23 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2019-64 |
| Volume (vol) | vol.119 |
| Number (no) | no.168 |
| Page | pp.91-96 |
| #Pages | 6 |
| Date of Issue | 2019-08-14 (AP) |
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