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| Presentation | 2017-03-03 13:40 Performance evaluation of a two-stage scheduling to improve capacity for inter-concentrator communication in hierarchical wireless sensor networks Yuriko Yoshino, Masafumi Hashimoto, Naoki Wakamiya (Osaka Univ.)  IN2016-157 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this report, we focus on two-layer wireless sensor networks~(WSNs) that consist of sensor-concentrator and inter-concentrator networks. In order to collect as much data as possible from a wide area, the improvement of network capacity is an essential because data collection applications often require to gather data within a limited period, i.e., acceptable collection delay. Therefore, we have proposed a two-stage scheduling method for inter-concentrator networks. The proposed method first strictly schedules time slots of links with heavy interference and congestion by exploiting the combination metric of interference and traffic demand. After that, it simply schedule time slots of the remain sinks to mitigate complexity. In this report, we evaluate capacity improvement of our proposal in various topologies with different node density and congestion degree. Through simulation-based evaluations, our proposal achieves large improvement of the capacity compared with conventional scheduling algorithms. In particular, our proposal improves up to 70% capacity compared with the conventional methods in situations where the proportion of one- and two-hop links is small. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless sensor networks / Inter-concentrator communication / TDMA-based scheduling / Capacity / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 485, IN2016-157, pp. 359-364, March 2017. | |
| Paper # | IN2016-157 | |
| Date of Issue | 2017-02-23 (IN) | |
| 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 | IN2016-157 |
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| Conference Information | |
| Committee | NS IN |
| Conference Date | 2017-03-02 - 2017-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | OKINAWA ZANPAMISAKI ROYAL HOTEL |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2017-03-NS-IN |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance evaluation of a two-stage scheduling to improve capacity for inter-concentrator communication in hierarchical wireless sensor networks |
| Sub Title (in English) | |
| Keyword(1) | Wireless sensor networks |
| Keyword(2) | Inter-concentrator communication |
| Keyword(3) | TDMA-based scheduling |
| Keyword(4) | Capacity |
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| 1st Author's Name | Yuriko Yoshino |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Masafumi Hashimoto |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
| 3rd Author's Name | Naoki Wakamiya |
| 3rd Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-03-03 13:40:00 |
| Presentation Time | 20 minutes |
| Registration for | IN |
| Paper # | IN2016-157 |
| Volume (vol) | vol.116 |
| Number (no) | no.485 |
| Page | pp.359-364 |
| #Pages | 6 |
| Date of Issue | 2017-02-23 (IN) |
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