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| Presentation | 2021-07-28 16:20 [Invited Lecture] A Study on Path Loss Prediction Formula for IoT wireless system close to Concrete Ceiling with Flat Surface in 920MHz band Naotake Yamamoto, Taichi Sasaki, Atsushi Yamamoto, Tetsuya Hishikawa (Panasonic), Kentaro Saito (Tokyo Denki Univ.), Junichi Takada (Tokyo Tech.), Toshiyuki Maeyama (Takushoku Univ.)  AP2021-32 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | With the growth of the IoT (Internet of Things) market in recent years, wireless devices in the 920MHz band have been implemented in home appliances and equipment used indoors. Since the equipment such as lighting and air conditioning system is set near construction materials such as the ceiling, wireless site planning should be done taking into account the installation environment in order to realize stable wireless link. This paper provides a path loss prediction formula for site planning when the devices are installed on the flat concrete ceiling, which is widely used in non-residential building such as factories and warehouses. The path loss prediction formula is derived from the simulation results by the FDTD (Finite Difference Time Domain) method and its effectiveness is confirmed by comparing with experimental result. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Indoor propagation / Path loss prediction / Wireless system design / FDTD / IoT / 920MHz band / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 126, AP2021-32, pp. 49-54, July 2021. | |
| Paper # | AP2021-32 | |
| Date of Issue | 2021-07-21 (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 | AP2021-32 |
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| Conference Information | |
| Committee | AP SANE SAT |
| Conference Date | 2021-07-28 - 2021-07-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2021-07-AP-SANE-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Path Loss Prediction Formula for IoT wireless system close to Concrete Ceiling with Flat Surface in 920MHz band |
| Sub Title (in English) | |
| Keyword(1) | Indoor propagation |
| Keyword(2) | Path loss prediction |
| Keyword(3) | Wireless system design |
| Keyword(4) | FDTD |
| Keyword(5) | IoT |
| Keyword(6) | 920MHz band |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Naotake Yamamoto |
| 1st Author's Affiliation | Panasonic Corporation (Panasonic) |
| 2nd Author's Name | Taichi Sasaki |
| 2nd Author's Affiliation | Panasonic Corporation (Panasonic) |
| 3rd Author's Name | Atsushi Yamamoto |
| 3rd Author's Affiliation | Panasonic Corporation (Panasonic) |
| 4th Author's Name | Tetsuya Hishikawa |
| 4th Author's Affiliation | Panasonic Corporation (Panasonic) |
| 5th Author's Name | Kentaro Saito |
| 5th Author's Affiliation | Tokyo Denki University (Tokyo Denki Univ.) |
| 6th Author's Name | Junichi Takada |
| 6th Author's Affiliation | Tokyo Institute of Technology (Tokyo Tech.) |
| 7th Author's Name | Toshiyuki Maeyama |
| 7th Author's Affiliation | Takushoku University (Takushoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-07-28 16:20:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2021-32 |
| Volume (vol) | vol.121 |
| Number (no) | no.126 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2021-07-21 (AP) |
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