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Paper Abstract and Keywords
Presentation 2013-02-27 13:20
SDR-Based Implementation of Multi-User MIMO Experimental System
Masato Taniguchi, Suguru Saito, Hidekazu Murata, Susumu Yoshida, Koji Yamamoto (Kyoto Univ.), Daisuke Umehara (Kyoto Tech), Satoshi Denno (Okayama Univ.), Masahiro Morikura (Kyoto Univ.) RCS2012-293
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents the implementation of the experimental system for multi-user MIMO downlink transmission in distributed antenna systems. Modular signal generators and signal analyzers are used as the base station (BS) and USRP is used as a mobile station (MS). Both BS and MS employ software-defined baseband signal processing. Four BS antennas and six MSs with single antenna each are available. An amplify-and-forward-based channel estimation scheme is employed, which is modified in order to support more MSs than the number of BS antennas. User selection is performed using a low-complexity scheme based on the orthogonality among the channel matrices. Transmission experiments are conducted in an anechoic chamber with reflective plates.
It is shown that user selection based on channel state information considerably improves the received power and the BER performance under a constant transmit power constraint.
Keyword (in Japanese) (See Japanese page) 
(in English) multi-user MIMO / distributed antenna systems / software-defined radio / channel estimation / user selection / transmission experiment / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 443, RCS2012-293, pp. 55-60, Feb. 2013.
Paper # RCS2012-293 
Date of Issue 2013-02-20 (RCS) 
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 RCS SR SRW  
Conference Date 2013-02-27 - 2013-03-01 
Place (in Japanese) (See Japanese page) 
Place (in English) Waseda Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Mobile Communication Workshop 
Paper Information
Registration To RCS 
Conference Code 2013-02-RCS-SR-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) SDR-Based Implementation of Multi-User MIMO Experimental System 
Sub Title (in English)  
Keyword(1) multi-user MIMO  
Keyword(2) distributed antenna systems  
Keyword(3) software-defined radio  
Keyword(4) channel estimation  
Keyword(5) user selection  
Keyword(6) transmission experiment  
1st Author's Name Masato Taniguchi  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Suguru Saito  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hidekazu Murata  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Susumu Yoshida  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
5th Author's Name Koji Yamamoto  
5th Author's Affiliation Kyoto University (Kyoto Univ.)
6th Author's Name Daisuke Umehara  
6th Author's Affiliation Kyoto Institute of Technology (Kyoto Tech)
7th Author's Name Satoshi Denno  
7th Author's Affiliation Okayama University (Okayama Univ.)
8th Author's Name Masahiro Morikura  
8th Author's Affiliation Kyoto University (Kyoto Univ.)
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Date Time 2013-02-27 13:20:00 
Presentation Time 20 
Registration for RCS 
Paper # IEICE-RCS2012-293 
Volume (vol) IEICE-112 
Number (no) no.443 
Page pp.55-60 
#Pages IEICE-6 
Date of Issue IEICE-RCS-2013-02-20 

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