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| Presentation | 2019-05-29 15:30 [Poster Presentation] Power Transfer Scheduling Considering Channel State in Wireless Powered Sensor Networks Tatsuya Ishida, Shinsuke Tanaka, Hiroyuki Yomo (Kansai Univ.)  RCC2019-9 MICT2019-9 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In order to realize battery-less wireless sensor networks, WPSNs (Wireless Powered Sensor Networks) are actively studied. In our study, we focus on a WPSN, where a sink node operating with battery collects data from sensor nodes and transfers power by using electromagnetic wave to sensor nodes. If the sink conducts power transfer regardless of channel state of each node over time-varying channels, battery energy of the sink can be inefficiently used since the sink can conduct power transfer even when many nodes experience poor channels. Therefore, in this paper, we employ power transfer scheduling, in which power transfer is conducted only when many nodes can benefit from good channels in order to improve power transfer efficiency. However, with this scheduling, the sink does not conduct power transfer when only a part of nodes have good channel state, which prevents these nodes from exploiting better channels, thereby reducing their residual energy. In order to solve this problem, in this study, we propose power transfer scheduling which takes account of residual energy of each nodes while considering their channel states. The proposed scheme improves lifetime of buttery of sink while maintaining high data collection rate by controlling charging opportunities with the energy threshold of each node set based on their distance to sink with the consideration on their average link conditions. With computer simulations, we investigate the effectiveness of our proposed scheduling. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless sensor networks / Wireless power transfer / Time-varying channel / Energy saving / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 58, RCC2019-9, pp. 41-46, May 2019. | |
| Paper # | RCC2019-9 | |
| Date of Issue | 2019-05-22 (RCC, MICT) | |
| 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 | RCC2019-9 MICT2019-9 |
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| Conference Information | |
| Committee | RCC MICT |
| Conference Date | 2019-05-29 - 2019-05-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | TOKYO BIG SIGHT |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | RCC |
| Conference Code | 2019-05-RCC-MICT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Power Transfer Scheduling Considering Channel State in Wireless Powered Sensor Networks |
| Sub Title (in English) | |
| Keyword(1) | Wireless sensor networks |
| Keyword(2) | Wireless power transfer |
| Keyword(3) | Time-varying channel |
| Keyword(4) | Energy saving |
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| Keyword(8) | |
| 1st Author's Name | Tatsuya Ishida |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Shinsuke Tanaka |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
| 3rd Author's Name | Hiroyuki Yomo |
| 3rd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-05-29 15:30:00 |
| Presentation Time | 120 minutes |
| Registration for | RCC |
| Paper # | RCC2019-9, MICT2019-9 |
| Volume (vol) | vol.119 |
| Number (no) | no.58(RCC), no.59(MICT) |
| Page | pp.41-46 |
| #Pages | 6 |
| Date of Issue | 2019-05-22 (RCC, MICT) |
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