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Paper Abstract and Keywords
Presentation 2017-08-17 10:50
Evaluation on Uplink MU-MIMO with Distributed Array with Multiple versus One Switches
Sho Yoshida, Soichi Ito, Kentaro Nishimori (Niigata Univ.), Tomoki Murakami, Koichi Ishihara, Yasushi Takatori (NTT) RCS2017-147
Abstract (in Japanese) (See Japanese page) 
(in English) Multiuser MIMO (MU-MIMO) techniques provide the high frequency efficiency. However, it is known that the frequency efficiency depends on antenna arrangement of access point. Moreover, we have proposed the distributed antenna system (DAS) which selects a part of high dense distributed antennas and shown its effectiveness using narrow band signals in an actual indoor environment. In this paper, we proposed that a configuration and method realize antenna selection with received power and multiple versus one switch assuming an access point is attached external distributed antennas. In addition, we perform computing simulation using propagation channels by ray-tracing method and clarify the effectiveness of the proposed method. We evaluate the number of antennas and suggest appropriate number of antennas when applying the proposed method. Moreover, we reveal the effectiveness of the proposed method by comparing between the proposed method, random antenna selection, and maximized capacity antenna selection.
Keyword (in Japanese) (See Japanese page) 
(in English) Multiuser MIMO / Distributed antenna / Multiple-to-one switch / Antenna selection / Ray-tracing method / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 175, RCS2017-147, pp. 25-30, Aug. 2017.
Paper # RCS2017-147 
Date of Issue 2017-08-10 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 RCS SAT  
Conference Date 2017-08-17 - 2017-08-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Satellite Communications, Broadcasting, Error Correction, Wireless Communication Systems, etc. 
Paper Information
Registration To RCS 
Conference Code 2017-08-RCS-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation on Uplink MU-MIMO with Distributed Array with Multiple versus One Switches 
Sub Title (in English)  
Keyword(1) Multiuser MIMO  
Keyword(2) Distributed antenna  
Keyword(3) Multiple-to-one switch  
Keyword(4) Antenna selection  
Keyword(5) Ray-tracing method  
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1st Author's Name Sho Yoshida  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Soichi Ito  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Kentaro Nishimori  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Tomoki Murakami  
4th Author's Affiliation NTT Corporation (NTT)
5th Author's Name Koichi Ishihara  
5th Author's Affiliation NTT Corporation (NTT)
6th Author's Name Yasushi Takatori  
6th Author's Affiliation NTT Corporation (NTT)
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Speaker Author-1 
Date Time 2017-08-17 10:50:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # RCS2017-147 
Volume (vol) vol.117 
Number (no) no.175 
Page pp.25-30 
#Pages
Date of Issue 2017-08-10 (RCS) 


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