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| Presentation | 2010-03-04 14:50 Adaptive THP Scheme Control for Downlink MU-MIMO Systems Hiroshi Nakano, Hiromichi Tomeba, Kozue Hirata, Shimpei Toh, Takashi Onodera, Minoru Kubota (Sharp Corp.)  RCS2009-293 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes a new adaptive transmission-scheme control of Tomlinson Harashima Precoding (THP) on downlink (DL) Multi-User Multiple Input Multiple Output (DL MU-MIMO) systems. MU-MIMO THP multiplexes Mobile Terminals (MT) to provide high performance even under low orthogonal channel. Modulo-operations suppress transmission power on canceling the Multi-User Interference (MUI), but at the same time, the Modulo-operations cause the secondary effects of performance degradations. On the other hand, the Linear Precoding (LP) scheme, without any Modulo-operation, avoids the degradation and achieves the sufficient performance under highly orthogonal channel. The proposed scheme implements Modulo-operation for the MTs suffering strong MUI and skips Modulo-operation for the MTs facing no strong MUI. This paper describes these adaptive switching of Modulo-operation and proves the gain of 3.8 dB from MU-MIMO LP and 0.7 dB from MU-MIMO THP on the bit error performance with computer simulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Tomlinson Harashima Precoding / Multi-user MIM / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 440, RCS2009-293, pp. 203-208, March 2010. | |
| Paper # | RCS2009-293 | |
| Date of Issue | 2010-02-24 (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 | RCS2009-293 |
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| Conference Information | |
| Committee | RCS AN MoNA SR |
| Conference Date | 2010-03-03 - 2010-03-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | YRP |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2010-03-RCS-AN-MoMuC-SR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Adaptive THP Scheme Control for Downlink MU-MIMO Systems |
| Sub Title (in English) | |
| Keyword(1) | Tomlinson Harashima Precoding |
| Keyword(2) | Multi-user MIM |
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| 1st Author's Name | Hiroshi Nakano |
| 1st Author's Affiliation | SHARP Corporation (Sharp Corp.) |
| 2nd Author's Name | Hiromichi Tomeba |
| 2nd Author's Affiliation | SHARP Corporation (Sharp Corp.) |
| 3rd Author's Name | Kozue Hirata |
| 3rd Author's Affiliation | SHARP Corporation (Sharp Corp.) |
| 4th Author's Name | Shimpei Toh |
| 4th Author's Affiliation | SHARP Corporation (Sharp Corp.) |
| 5th Author's Name | Takashi Onodera |
| 5th Author's Affiliation | SHARP Corporation (Sharp Corp.) |
| 6th Author's Name | Minoru Kubota |
| 6th Author's Affiliation | SHARP Corporation (Sharp Corp.) |
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| Speaker | Author-1 |
| Date Time | 2010-03-04 14:50:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2009-293 |
| Volume (vol) | vol.109 |
| Number (no) | no.440 |
| Page | pp.203-208 |
| #Pages | 6 |
| Date of Issue | 2010-02-24 (RCS) |
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