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| Paper Abstract and Keywords | ||
| Presentation | 2010-10-29 15:20 Study of Multiuser Interference Canceller for OFDMA System Junichi Fukui, Katsuhiro Naito, Kazuo Mori, Hideo Kobayashi (Mie Univ.)  RCS2010-141 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The Orthogonal Frequency Division Multiple Access (OFDMA) system has been received considerable attentions by its efficient accommodation of users by employing such as adaptive modulation and channel allocation methods. When OFDMA technique applies to the uplink from the user terminal to the base station, Bit Error Rate (BER) performance would degrade relatively due to Inter-Carrier Interference (ICI) and Multi-User Interference (MUI) caused by the occurrence of independent frequency offset in each user transmission signal. This paper proposes MUI and ICI reduction methods, which can achieve the better BER performance even when each user has a different frequency offset. The salient feature of proposed method is to compensate the MUI and ICI by generating the time domain replica signal for each user taken into account the frequency offset and frequency channel response estimated for each user, and subtract them from the received time domain signal. This paper presents the various computer simulation results to demonstrate the effectiveness of proposed method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OFDMA / Frequency Offset / Uplink / Multi-User Interference / Inter-Carrier Interference / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 251, RCS2010-141, pp. 217-222, Oct. 2010. | |
| Paper # | RCS2010-141 | |
| Date of Issue | 2010-10-20 (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 | RCS2010-141 |
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| Conference Information | |
| Committee | AN USN SR RCS |
| Conference Date | 2010-10-27 - 2010-10-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Wireless distributed network, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2010-10-AN-USN-SR-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study of Multiuser Interference Canceller for OFDMA System |
| Sub Title (in English) | |
| Keyword(1) | OFDMA |
| Keyword(2) | Frequency Offset |
| Keyword(3) | Uplink |
| Keyword(4) | Multi-User Interference |
| Keyword(5) | Inter-Carrier Interference |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Junichi Fukui |
| 1st Author's Affiliation | Mie University (Mie Univ.) |
| 2nd Author's Name | Katsuhiro Naito |
| 2nd Author's Affiliation | Mie University (Mie Univ.) |
| 3rd Author's Name | Kazuo Mori |
| 3rd Author's Affiliation | Mie University (Mie Univ.) |
| 4th Author's Name | Hideo Kobayashi |
| 4th Author's Affiliation | Mie University (Mie Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-10-29 15:20:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2010-141 |
| Volume (vol) | vol.110 |
| Number (no) | no.251 |
| Page | pp.217-222 |
| #Pages | 6 |
| Date of Issue | 2010-10-20 (RCS) |
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