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| Presentation | 2013-08-30 10:30 Perfomance Evaluation of QZSS Short Message Communication SS-CDMA with Transmit Timing Error Akinori Taira, Yuji Miyake, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.)  RCS2013-132 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way communication which includes the terminal position information and short messages. In this paper, SS-CDMA system performance with timing jitter among terminals is evaluated. SS-CDMA realizes the direct access from terminals to the satellite and many users simultaneous transmission using large spreading factor SS-codes. In order to achieve this objective, keeping orthogonality among all terminals is important condition. We propose a novel transmit timing control method in which all terminals are synchronized in time and frequency domains using QZSS. BER performances in 1024 chip SS-code and 1000 user multiplexing condition are shown. Each user is assigned 1 chip rotational shift SS-code based on an orthogonal M-sequence. 1/8 chip timing jitter can provides the performance with less than 0.5 dB Eb/N0 degradation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Quasi-Zenith Satellite System (QZSS) / satellite communication / Global Positioning System (GPS) / Spread Spectrum Code Division Multiple Access (SS-CDMA) / timing synchronization / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 194, RCS2013-132, pp. 51-56, Aug. 2013. | |
| Paper # | RCS2013-132 | |
| Date of Issue | 2013-08-22 (RCS) | |
| 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 | RCS2013-132 |
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| Conference Information | |
| Committee | RCS SAT |
| Conference Date | 2013-08-29 - 2013-08-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Shinshu Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2013-08-RCS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Perfomance Evaluation of QZSS Short Message Communication SS-CDMA with Transmit Timing Error |
| Sub Title (in English) | |
| Keyword(1) | Quasi-Zenith Satellite System (QZSS) |
| Keyword(2) | satellite communication |
| Keyword(3) | Global Positioning System (GPS) |
| Keyword(4) | Spread Spectrum Code Division Multiple Access (SS-CDMA) |
| Keyword(5) | timing synchronization |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Akinori Taira |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Yuji Miyake |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Suguru Kameda |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 4th Author's Name | Noriharu Suematsu |
| 4th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 5th Author's Name | Tadashi Takagi |
| 5th Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 6th Author's Name | Kazuo Tsubouchi |
| 6th Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2013-08-30 10:30:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2013-132 |
| Volume (vol) | vol.113 |
| Number (no) | no.194 |
| Page | pp.51-56 |
| #Pages | 6 |
| Date of Issue | 2013-08-22 (RCS) |
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