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Paper Abstract and Keywords
Presentation 2015-01-22 13:45
Considerations on a Channel Prediction Scheme Using Compressed Sensing in Multi-User MIMO Systems
Shunsuke Uehashi, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) SIP2014-90 RCS2014-278
Abstract (in Japanese) (See Japanese page) 
(in English) In multi-user MIMO systems, a base station needs downlink channel state information (CSI) to each user to suppress inter-user interference and inter-stream interference. In wireless communication, however, signal propagation environments are time-varying, and CSI obtained at the base station is different from the channel at the actual transmission time because we have delay. This deteriorates communication quality. To solve this problem, some channel prediction schemes have been developed. So far, we have proposed a channel prediction scheme using a compressed sensing technique. This scheme can predict channel with high accuracy even when the number of arrival waves is large. In this paper, we evaluate the effect of the proposed method in multi-user MIMO systems.
Keyword (in Japanese) (See Japanese page) 
(in English) channel prediction / multi-user MIMO system / compressed sensing / SOS method / direction-of-arrival estimation / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 395, RCS2014-278, pp. 55-60, Jan. 2015.
Paper # RCS2014-278 
Date of Issue 2015-01-15 (SIP, 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 SIP2014-90 RCS2014-278

Conference Information
Committee SIP RCS  
Conference Date 2015-01-22 - 2015-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Okayama Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2015-01-SIP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Considerations on a Channel Prediction Scheme Using Compressed Sensing in Multi-User MIMO Systems 
Sub Title (in English)  
Keyword(1) channel prediction  
Keyword(2) multi-user MIMO system  
Keyword(3) compressed sensing  
Keyword(4) SOS method  
Keyword(5) direction-of-arrival estimation  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shunsuke Uehashi  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Yasutaka Ogawa  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Toshihiko Nishimura  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Takeo Ohgane  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2015-01-22 13:45:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # SIP2014-90, RCS2014-278 
Volume (vol) vol.114 
Number (no) no.394(SIP), no.395(RCS) 
Page pp.55-60 
#Pages 6 
Date of Issue 2015-01-15 (SIP, RCS) 

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