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| Presentation | 2009-06-26 11:20 A study of multi-user MIMO using lattice reduction Masashi Itagaki, Kazuki Takeda, Fumiyuki Adachi (Tohoku Univ.)  RCS2009-44 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In multi-user multi-input multi-output (MIMO) multiplexing, the superposition of different user’s transmit signals is received. As a signal detection method, maximum likelihood detection (MLD) and linear filtering have been proposed. Although the linear filtering is much simpler than the MLD, its diversity order is the difference between the numbers of receive antennas and users; therefore, as the number of users increases, the diversity order reduces and hence the achievable bit error rate (BER) performance degrades. The introduction of the lattice reduction to the linear filtering can achieve the same diversity order as the MLD irrespective of the number of users. However, the lattice reduction aided linear filtering in multi-user MIMO has not been fully studied. In this paper, we evaluate, by computer simulation, the outage probability of BER of the uplink multi-user MIMO multiplexing using lattice reduction in a frequency non-selective channel. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Multi-user MIMO / lattice reduction / LLL algorithm / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 105, RCS2009-44, pp. 91-96, June 2009. | |
| Paper # | RCS2009-44 | |
| Date of Issue | 2009-06-18 (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 | RCS2009-44 |
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| Conference Information | |
| Committee | RCS |
| Conference Date | 2009-06-25 - 2009-06-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Nagoya University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | First Presentation in IEICE Technical Committee, Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Resource Control, Scheduling, Wireless Communication Systems, etc. |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2009-06-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study of multi-user MIMO using lattice reduction |
| Sub Title (in English) | |
| Keyword(1) | Multi-user MIMO |
| Keyword(2) | lattice reduction |
| Keyword(3) | LLL algorithm |
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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 | 2009-06-26 11:20:00 |
| Presentation Time | 20 minutes |
| Registration for | RCS |
| Paper # | RCS2009-44 |
| Volume (vol) | vol.109 |
| Number (no) | no.105 |
| Page | pp.91-96 |
| #Pages | 6 |
| Date of Issue | 2009-06-18 (RCS) |
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