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| Presentation | 2010-03-04 15:50 Impact of lattice reduction on the cellular uplink using multi-user MIMO Masashi Itagaki, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.)  RCS2009-296 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The bit error rate (BER) performance of multi-input multi-output (MIMO) transmission can be improved by introducing lattice reduction (LR) aided signal detection. Recently, we have investigated the effect of LR aided detection on the BER outage probability of uplink using multi-user MIMO multiplexing in a single cell environment. It was shown that LR aided detection can achieve almost the same outage probability as maximum likelihood detection (MLD). In a cellular system, same channels are reused in spatially separated different cells in order to efficiently utilize frequency resource. Therefore, co-channel interference (CCI) limits the performance of signal detection. The CCI can be suppressed by increasing the same frequency reuse distance; however, the frequency utilization efficiency degrades because the required system bandwidth increases. In this paper, we investigate the BER outage probability and link capacity of the cellular uplink multi-user MIMO using LR aided signal detection. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Multi-user MIMO / Lattice reduction / Link capacity / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 440, RCS2009-296, pp. 221-226, March 2010. | |
| Paper # | RCS2009-296 | |
| 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 | RCS2009-296 |
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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) | Impact of lattice reduction on the cellular uplink using multi-user MIMO |
| Sub Title (in English) | |
| Keyword(1) | Multi-user MIMO |
| Keyword(2) | Lattice reduction |
| Keyword(3) | Link capacity |
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| 1st Author's Name | Masashi Itagaki |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Kazuki Takeda |
| 2nd Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 3rd Author's Name | Fumiyuki Adachi |
| 3rd Author's Affiliation | Tohoku University (Tohoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-03-04 15:50:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2009-296 |
| Volume (vol) | vol.109 |
| Number (no) | no.440 |
| Page | pp.221-226 |
| #Pages | 6 |
| Date of Issue | 2010-02-24 (RCS) |
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