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Paper Abstract and Keywords
Presentation 2016-08-30 14:30
Downlink MU-MIMO using Terminal-Decided Receive Antenna Selection
Tomoki Murakami, Yasushi Takatori, Masato Mizoguchi (NTT), Fumiaki Maehara (Waseda Univ.) CQ2016-68
Abstract (in Japanese) (See Japanese page) 
(in English) Massive multiple input multiple output (MIMO) transmission using a large scale of antennas at base station (BS) has been investigated to realize of high frequency utilization. To be applied the massive MIMO transmission to practical systems, there are some reduction problems such as computing load, cost, and so on because many units of radio frequency and signal processing corresponding to the number of BS antenna should be set up at BS. Therefore, we have focus on the increase of the number of user antenna and proposed the downlink multiuser MIMO (MU-MIMO) transmission with receive antenna selection to obtain the receive diversity. In this paper, for upgrading its transmission, we propose a terminal-decided receive antenna selection method which reduces an amount of channel state information (CSI) feedback and computing load for the antenna selection at BS. In detail, at the each user, spatial correlation between receive antennas is calculated from estimated CSI, and then CSI corresponding to an antenna with large norm is just feed to BS when its spatial correlation value is higher than the threshold. In order to clarify the effectiveness of the proposed method, we present that the proposal achieves about 78 % reductions of amounts of CSI feedback and computing load by evaluation results using measured CSI in an indoor environment.
Keyword (in Japanese) (See Japanese page) 
(in English) MU-MIMO / OFDM / receive antenna selection / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 202, CQ2016-68, pp. 105-110, Aug. 2016.
Paper # CQ2016-68 
Date of Issue 2016-08-22 (CQ) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee CQ  
Conference Date 2016-08-29 - 2016-08-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Tsukubasan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Wireless Communication Quality, Cross-Layer Techniques, 5G Mobile Communications and Applications, Wireless Network Protocol Design, Wireless Resource Management, IoT, M2M, etc. 
Paper Information
Registration To CQ 
Conference Code 2016-08-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Downlink MU-MIMO using Terminal-Decided Receive Antenna Selection 
Sub Title (in English)  
Keyword(1) MU-MIMO  
Keyword(2) OFDM  
Keyword(3) receive antenna selection  
1st Author's Name Tomoki Murakami  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Yasushi Takatori  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Masato Mizoguchi  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Fumiaki Maehara  
4th Author's Affiliation Wased University (Waseda Univ.)
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Date Time 2016-08-30 14:30:00 
Presentation Time 20 
Registration for CQ 
Paper # IEICE-CQ2016-68 
Volume (vol) IEICE-116 
Number (no) no.202 
Page pp.105-110 
#Pages IEICE-6 
Date of Issue IEICE-CQ-2016-08-22 

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