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| Presentation | 2011-03-03 09:20 Time Slot Allocation Scheme enabling Simultaneous Bidirectional Traffic in Multi-hop Wireless Sensor Networks Kyokuei Shu (Chiba Univ.), Ryota Kawamoto (Alpha Systems, Inc), Fumiya Hirose, Nobuyoshi Komuro (Chiba Univ.), Seiichiro Hara (Alpha Systems, Inc), Shiro Sakata (Chiba Univ.)  IN2010-146 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In sensor networks, sensing data packets are mainly transmitted from sensor nodes to sink node. In non-beacon mode of IEEE 802.15.4, child nodes send data packets by unicast to respond to a query packet broadcast by the parent node. Collisions of unicast packets and their losses are likely to occur. This consequently causes a lot of energy consumption. In this paper, a time slot allocation scheme which can achieve spatially simultarous communication is proposed. As well as, the proposed scheme effectively reduces the packet collisions. Based on the information of two hop neighbors, each node reserves time slot through depth-first search in the tree network topology. Nodes which are spatially separated can reserve the same time slot to implement simultaneous communication. As a result, it achieves efficient use of bandwidth. The proposed method is evaluated by the simulation. The simulation result shows that the proposed method achieves low delay while keeping high delivery ratio. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Sensor networks / ZigBee / IEEE 802.15.4 / Non-beacon mode / Time slot allocation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 449, IN2010-146, pp. 13-18, March 2011. | |
| Paper # | IN2010-146 | |
| Date of Issue | 2011-02-24 (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 | IN2010-146 |
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| Conference Information | |
| Committee | IN NS |
| Conference Date | 2011-03-03 - 2011-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okinawa Convention Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General, NS+IN workshop (March 3-4) |
| Paper Information | |
| Registration To | IN |
| Conference Code | 2011-03-IN-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Time Slot Allocation Scheme enabling Simultaneous Bidirectional Traffic in Multi-hop Wireless Sensor Networks |
| Sub Title (in English) | |
| Keyword(1) | Sensor networks |
| Keyword(2) | ZigBee |
| Keyword(3) | IEEE 802.15.4 |
| Keyword(4) | Non-beacon mode |
| Keyword(5) | Time slot allocation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kyokuei Shu |
| 1st Author's Affiliation | Chiba University (Chiba Univ.) |
| 2nd Author's Name | Ryota Kawamoto |
| 2nd Author's Affiliation | Alpha Systems, Inc (Alpha Systems, Inc) |
| 3rd Author's Name | Fumiya Hirose |
| 3rd Author's Affiliation | Chiba University (Chiba Univ.) |
| 4th Author's Name | Nobuyoshi Komuro |
| 4th Author's Affiliation | Chiba University (Chiba Univ.) |
| 5th Author's Name | Seiichiro Hara |
| 5th Author's Affiliation | Alpha Systems, Inc (Alpha Systems, Inc) |
| 6th Author's Name | Shiro Sakata |
| 6th Author's Affiliation | Chiba University (Chiba Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-03-03 09:20:00 |
| Presentation Time | 20 minutes |
| Registration for | IN |
| Paper # | IN2010-146 |
| Volume (vol) | vol.110 |
| Number (no) | no.449 |
| Page | pp.13-18 |
| #Pages | 6 |
| Date of Issue | 2011-02-24 (IN) |
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