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| Presentation | 2021-01-26 14:20 [Invited Talk] Frequency Spectrum and Node Sensing Techniques for Wireless IoT Takashi Shiba, Tomoyuki Furuichi, Mizuki Motoyoshi, Suguru Kameda, Noriharu Suematsu (Tohoku Univ.)  SR2020-59 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It becomes a problem of low communication speed at narrow space with several wireless communication for example of wireless IoT in smart factory in order to conflict of these signals. This problem of sommunication speed causes low productivity. A real-time broadband spectrum sensor is neccesarry for this problem to observe broad band (920MHz/2.4GHz/5GHz wireless IoT bands). We develop a new simple real-time and broadband spectrum sensor for this problem. A several sampling frequency undersampling method, implementation of transient time of sampling frequency changing for real-time characteristics, implementation of sampling freiquency and number of sampling for broadband spurious-free characteristics. We succeed to develop a new simple real-time and broadband spectrum sensor and spectrum sensing for wireless IoT bands is able to be obtained consequently. We also proceed a node-position sensing method using this spectrum sensor equipment. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Direct RF undersampling / Spectrum sensing / Node-sensing / Wireless IoT / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 341, SR2020-59, pp. 73-80, Jan. 2021. | |
| Paper # | SR2020-59 | |
| Date of Issue | 2021-01-18 (SR) | |
| 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 | SR2020-59 |
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| Conference Information | |
| Committee | SR |
| Conference Date | 2021-01-25 - 2021-01-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Cognitive Radio, Spectrum Management, Heterogeneous Network, SDN, Machine Learning Application, etc. |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2021-01-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Frequency Spectrum and Node Sensing Techniques for Wireless IoT |
| Sub Title (in English) | |
| Keyword(1) | Direct RF undersampling |
| Keyword(2) | Spectrum sensing |
| Keyword(3) | Node-sensing |
| Keyword(4) | Wireless IoT |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takashi Shiba |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Tomoyuki Furuichi |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Mizuki Motoyoshi |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Suguru Kameda |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Noriharu Suematsu |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-01-26 14:20:00 |
| Presentation Time | 50 minutes |
| Registration for | SR |
| Paper # | SR2020-59 |
| Volume (vol) | vol.120 |
| Number (no) | no.341 |
| Page | pp.73-80 |
| #Pages | 8 |
| Date of Issue | 2021-01-18 (SR) |
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