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Paper Abstract and Keywords
Presentation 2008-03-07 11:40
Study of Adaptive Transmission for Multi-antenna Relaying Systems in Cellular Networks
Ryosuke Osawa, Hidekazu Murata, Koji Yamamoto, Susumu Yoshida (Kyoto Univ.), Takahiro Asai, Jaturong Sangiamwong (NTT DoCoMo) RCS2007-238
Abstract (in Japanese) (See Japanese page) 
(in English) The use of multiple antennas at both ends of wireless link, called MIMO (Multiple-input Multiple-output) technology, promises significant improvements in terms of spectral efficiency and link reliability.
A number of studies have been conducted on point-to-point MIMO channels in the last decade.
More recently, applying MIMO techniques to relay networks has also come into consideration.
However so far most of the researches on multiple antenna relay channels are aimed at obtaining information-theoretic limits of non-regenerative relaying systems.
In this paper practical MIMO adaptive transmission schemes for a cellular relaying system are discussed.
The performance of MIMO spatial multiplexing (SM) and MIMO eigenmode transmission (ET) are compared in line of sight (LOS) environment assuming a link between base station and relay station.
We have studied about the performance of the two transmission schemes in fast fading environments applying power optimization and adaptive transmission.
It has been confirmed by computer simulations that SM is superior to ET in transmission rate and bit error rate performance in such environments.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO / Spatial Multiplexing / Eigenmode Transmission / Regenerative Relaying / Cellular Network / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 518, RCS2007-238, pp. 311-316, March 2008.
Paper # RCS2007-238 
Date of Issue 2008-02-27 (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 RCS2007-238

Conference Information
Committee RCS AN MoNA SR WBS  
Conference Date 2008-03-05 - 2008-03-07 
Place (in Japanese) (See Japanese page) 
Place (in English) YRP 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2008-03-RCS-AN-MoMuC-SR-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of Adaptive Transmission for Multi-antenna Relaying Systems in Cellular Networks 
Sub Title (in English)  
Keyword(1) MIMO  
Keyword(2) Spatial Multiplexing  
Keyword(3) Eigenmode Transmission  
Keyword(4) Regenerative Relaying  
Keyword(5) Cellular Network  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryosuke Osawa  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Hidekazu Murata  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Koji Yamamoto  
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 Takahiro Asai  
5th Author's Affiliation NTT DoCoMo (NTT DoCoMo)
6th Author's Name Jaturong Sangiamwong  
6th Author's Affiliation NTT DoCoMo (NTT DoCoMo)
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Speaker Author-1 
Date Time 2008-03-07 11:40:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2007-238 
Volume (vol) vol.107 
Number (no) no.518 
Page pp.311-316 
#Pages 6 
Date of Issue 2008-02-27 (RCS) 

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