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| Presentation | 2021-05-21 14:00 [Technology Exhibit] USRP Implementation of Synchronized SS-CDMA Transmission Timing Control Function Using Wi-Wi Yusaku Honma, Suguru Kameda, Noriharu Suematsu (Tohoku Univ), Satoshi Yasuda, Nobuyasu Shiga (NICT)  SR2021-17 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Synchronized spread spectrum code division multiple access (SS-CDMA) is very effective for increasing the capacity and reducing the interference with a rapid spread of Internet of things (IoT) devices. Since the synchronized SS-CDMA requires to receive timing synchronization, it is essential to realize transmission timing control of each node using space-time synchronization. In this paper, we investigate precise time synchronization between nodes using wireless two-way interferometry (Wi-Wi). The measurement results show that the precision of initial timing synchronization of the Wi-Wi module (3σ) is nearly equal to 400 ns. Furthermore, we implement transmission timing control function on Universal Software Radio Peripheral (USRP) synchronized by reference signals of Wi-Wi module. As a result of the measurement evaluation of the implemented system, it is realized that the transmission timing is controlled at the accuracy of the sampling rate of USRP. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | synchronized SS-CDMA / transmission timing control / time synchronization / software defined radio / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 30, SR2021-17, pp. 113-119, May 2021. | |
| Paper # | SR2021-17 | |
| Date of Issue | 2021-05-13 (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 | SR2021-17 |
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| Conference Information | |
| Committee | SR |
| Conference Date | 2021-05-20 - 2021-05-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Software Radio, Machine Learning for Wireless Communication, etc. |
| Paper Information | |
| Registration To | SR |
| Conference Code | 2021-05-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | USRP Implementation of Synchronized SS-CDMA Transmission Timing Control Function Using Wi-Wi |
| Sub Title (in English) | |
| Keyword(1) | synchronized SS-CDMA |
| Keyword(2) | transmission timing control |
| Keyword(3) | time synchronization |
| Keyword(4) | software defined radio |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Yusaku Honma |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ) |
| 2nd Author's Name | Suguru Kameda |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ) |
| 3rd Author's Name | Noriharu Suematsu |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ) |
| 4th Author's Name | Satoshi Yasuda |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Nobuyasu Shiga |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2021-05-21 14:00:00 |
| Presentation Time | 120 minutes |
| Registration for | SR |
| Paper # | SR2021-17 |
| Volume (vol) | vol.121 |
| Number (no) | no.30 |
| Page | pp.113-119 |
| #Pages | 7 |
| Date of Issue | 2021-05-13 (SR) |
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