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| Presentation | 2016-03-02 09:25 Impact of CSI error on Distributed Antenna OFDM-MU-MIMO Downlink Yuta Seki, Shinya Kumagai, Fumiyuki Adachi (Tohoku Univ.)  RCS2015-334 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In small-cell network where a number of distributed antennas are deployed within each macro-cell, multi-user multiple-input multiple-output (MU-MIMO) transmission using multiple distributed antennas close to user equipments (UEs) achieves a high sum throughput. The minimum mean square error based joint transmit and receive linear filtering (joint Tx/Rx filtering) which we proposed recently requires the channel state information (CSI) at both sides of baseband unit (BBU) and UE. Our previous study assumed the ideal CSI estimation. In this paper, we model the CSI error as a sum of estimation errors due to the thermal noise and due to the time-varying fading channel. We discuss about the impact of CSI error on small-cell network downlink using distributed antenna orthogonal-frequency division multiplexing (OFDM)-MU-MIMO. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Downlink / OFDM / MU-MIMO / distributed antenna / joint Tx/Rx cooperative signal processing / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 472, RCS2015-334, pp. 7-12, March 2016. | |
| Paper # | RCS2015-334 | |
| Date of Issue | 2016-02-24 (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 | RCS2015-334 |
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| Conference Information | |
| Committee | RCS CCS SR SRW |
| Conference Date | 2016-03-02 - 2016-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Mobile Communication Workshop |
| Paper Information | |
| Registration To | RCS |
| Conference Code | 2016-03-RCS-CCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Impact of CSI error on Distributed Antenna OFDM-MU-MIMO Downlink |
| Sub Title (in English) | |
| Keyword(1) | Downlink |
| Keyword(2) | OFDM |
| Keyword(3) | MU-MIMO |
| Keyword(4) | distributed antenna |
| Keyword(5) | joint Tx/Rx cooperative signal processing |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuta Seki |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Shinya Kumagai |
| 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 | 2016-03-02 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2015-334 |
| Volume (vol) | vol.115 |
| Number (no) | no.472 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2016-02-24 (RCS) |
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