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| Presentation | 2018-11-06 13:30 [Invited Lecture] A development of battery-free small LPWA Sensor Device and its applications Hiroyuki Satou, Gao Hong, Hiroyuki Nakamoto (Fujitsu Lab.)  SRW2018-38 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Along with the spread of the IoT system, there is an increasing expectation for sensor devices compatible with LPWA that can sent the data on site wirelessly to a cloud. In order to realize this system, it is required to develop a small-sized device that is easy to install and does not need battery replacement for the sake of convenience and cost savings. In the case of using an energy harvester as a power source, power control is very important since power generation is very small and unstable. But it was difficult to downsize the power control circuit due to a large circuit scale and large-sized energy storage devices. This time, we developed the LPWA sensor device of 82 x 24 x 6 mm by eliminating the use of a power management IC to suppress the number of circuit components and by improving the circuit design with temperature compensation to reduce the size of energy storage elements. The developed sensor device complies with Sigfox wireless standard, and its operation was verified in a system connected to the cloud. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | IoT / LPWA / Energy Harvesting / Power control / Sensor device / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 283, SRW2018-38, pp. 81-86, Nov. 2018. | |
| Paper # | SRW2018-38 | |
| Date of Issue | 2018-10-29 (SRW) | |
| 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 | SRW2018-38 |
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| Conference Information | |
| Committee | ASN SRW |
| Conference Date | 2018-11-05 - 2018-11-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Denki University, Tokyo Senju Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Poster session, etc. |
| Paper Information | |
| Registration To | SRW |
| Conference Code | 2018-11-ASN-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A development of battery-free small LPWA Sensor Device and its applications |
| Sub Title (in English) | |
| Keyword(1) | IoT |
| Keyword(2) | LPWA |
| Keyword(3) | Energy Harvesting |
| Keyword(4) | Power control |
| Keyword(5) | Sensor device |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroyuki Satou |
| 1st Author's Affiliation | Fujitsu Laboratories LTD. (Fujitsu Lab.) |
| 2nd Author's Name | Gao Hong |
| 2nd Author's Affiliation | Fujitsu Laboratories LTD. (Fujitsu Lab.) |
| 3rd Author's Name | Hiroyuki Nakamoto |
| 3rd Author's Affiliation | Fujitsu Laboratories LTD. (Fujitsu Lab.) |
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| Speaker | Author-1 |
| Date Time | 2018-11-06 13:30:00 |
| Presentation Time | 25 minutes |
| Registration for | SRW |
| Paper # | SRW2018-38 |
| Volume (vol) | vol.118 |
| Number (no) | no.283 |
| Page | pp.81-86 |
| #Pages | 6 |
| Date of Issue | 2018-10-29 (SRW) |
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