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| Presentation | 2017-08-17 09:00 Performance Evaluation of a Successive Interference Cancellation Scheme Dealing with Asynchronous Signal Collision in Space-based AIS Shunsuke Uehashi, Yasunori Nouda, Akira Kurita, Katsuyuki Motoyoshi, Atsushi Okamura (Mitsubishi Electric)  RCS2017-150 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Space-based AIS (Automatic Identification System) is used for the purpose of global maritime traffic monitoring and safety. Compared to conventional AIS, it is possible to cover a much larger area on the ground by receiving AIS signals at satellites. In this system, however, communication quality deteriorates due to interference which occurred by asynchronously colliding AIS signals from many ships. In order to suppress interference and improve communication quality, we propose a new SIC (successive interference canceller) that deals with asynchronous signal collision using the difference of the propagation delay and frequency offset between each arrival signal. Our proposed method successively estimates the delays and frequencies in order of signal strength and demodulates them. It enables us to eliminate interference caused by signal collision to generate replicas of the demodulated signals and subtracting the replicas from the received signal. In addition, this method generates highly accurate replicas by estimating the phase noise and BT product of each arrival signal which increase the error of the replicas, therefore the performance of interference cancellation can be improved. The simulation results show that our proposed method can reduce the error of the replicas for interference cancellation, and improve the packet error rate at two signal collision. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Automatic Identification System (AIS) / Space-based AIS / Successive Interference / GMSK / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 175, RCS2017-150, pp. 43-48, Aug. 2017. | |
| Paper # | RCS2017-150 | |
| Date of Issue | 2017-08-10 (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 | RCS2017-150 |
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| Conference Information | |
| Committee | RCS SAT |
| Conference Date | 2017-08-17 - 2017-08-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Niigata 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 | 2017-08-RCS-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Evaluation of a Successive Interference Cancellation Scheme Dealing with Asynchronous Signal Collision in Space-based AIS |
| Sub Title (in English) | |
| Keyword(1) | Automatic Identification System (AIS) |
| Keyword(2) | Space-based AIS |
| Keyword(3) | Successive Interference |
| Keyword(4) | GMSK |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Shunsuke Uehashi |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 2nd Author's Name | Yasunori Nouda |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 3rd Author's Name | Akira Kurita |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 4th Author's Name | Katsuyuki Motoyoshi |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 5th Author's Name | Atsushi Okamura |
| 5th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
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| Speaker | Author-1 |
| Date Time | 2017-08-17 09:00:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2017-150 |
| Volume (vol) | vol.117 |
| Number (no) | no.175 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2017-08-10 (RCS) |
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