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| Presentation | 2015-03-06 11:40 Joint Tx/Rx Filtering for Distributed Antenna Network Uplink with Single-Carrier MU-MIMO Shinya Kumagai, Shohei Yoshioka, Fumiyuki Adachi (Tohoku Univ.)  RCS2014-355 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The combination of distributed antenna network (DAN), where a number of antennas are spatially distributed within wireless cells (macro cells), and multi-user (MU) multiple-input multiple-output (MIMO) can achieve high system throughput. Recently, we proposed a minimum mean square error based joint transmit and receive linear filtering (joint Tx/Rx MMSE filtering) for uplink transmissions with single-carrier (SC)-MU-MIMO. Joint Tx/Rx MMSE filtering transforms the MIMO channel between each user equipment (UE) and base station (BS) to multiple eigenmodes, and applies MMSE based power allocation. MMSE power allocation achieves good bit error rate (BER) performance by allocating much power to the eigenmodes which have low channel gains (i.e. eigenvalues). However, in DAN, there is a large gap among eigenvalues since the average received power between each UE and DA is different from each other. Therefore, power allocation should be designed in terms of throughput (i.e. Shannon’s channel capacity). This paper proposes a new joint Tx/Rx filtering (joint Tx/Rx WF-MMSE filtering) which applies water-filling (WF) power allocation in eigenmode-domain and MMSE power allocation in frequency-domain for DAN uplink with SC-MU-MIMO. Numerical results show that proposed joint Tx/Rx WF-MMSE filtering achieves better throughput performance of DAN uplink with SC-MU-MIMO than conventional joint Tx/Rx MMSE filtering. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | distributed antenna / uplink / single-carrier / MU-MIMO / power allocation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 490, RCS2014-355, pp. 321-326, March 2015. | |
| Paper # | RCS2014-355 | |
| Date of Issue | 2015-02-25 (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 | RCS2014-355 |
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| Conference Information | |
| Committee | RCS SR SRW |
| Conference Date | 2015-03-04 - 2015-03-06 |
| 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 | 2015-03-RCS-SR-SRW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Joint Tx/Rx Filtering for Distributed Antenna Network Uplink with Single-Carrier MU-MIMO |
| Sub Title (in English) | |
| Keyword(1) | distributed antenna |
| Keyword(2) | uplink |
| Keyword(3) | single-carrier |
| Keyword(4) | MU-MIMO |
| Keyword(5) | power allocation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shinya Kumagai |
| 1st Author's Affiliation | Tohoku University (Tohoku Univ.) |
| 2nd Author's Name | Shohei Yoshioka |
| 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 | 2015-03-06 11:40:00 |
| Presentation Time | 25 minutes |
| Registration for | RCS |
| Paper # | RCS2014-355 |
| Volume (vol) | vol.114 |
| Number (no) | no.490 |
| Page | pp.321-326 |
| #Pages | 6 |
| Date of Issue | 2015-02-25 (RCS) |
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