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Paper Abstract and Keywords
Presentation 2009-11-26 15:40
Evaluation on relay MIMO using orthogonal polarization in an actual outdoor environment -- Channel capacity considering heterogeneous pathloss conditions --
Kentaro Nishimori (Niigata Univ.), Tomoki Murakami (NTT), Naoki Honma (Iwate Univ.), Riichi Kudo, Masato Mizoguchi (NTT) AP2009-125 RCS2009-147
Abstract (in Japanese) (See Japanese page) 
(in English) MIMO transmission using relay station is effective when enlarging service area and improving frequency utilization. The authors have clarified the effectiveness of MIMO transmission using relay station by using the measured channel state information among the base, relay and mobile stations in an actual outdoor environment. However, the channel capacity between the base and relay stations is not high due to high spatial correlation, because only vertical polarization as the antenna element is used. In this paper, we clarify the effectiveness using orthogonal polarization which is used to reduce the spatial correlation. We show that the orthogonal polarization is effective for multi-user transmission compared to the vertical polarization.
Keyword (in Japanese) (See Japanese page) 
(in English) multiuser MIMO / relay station / vertical and horizontal polarizations / heterogeneous pathloss condition / K Factor / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 304, AP2009-125, pp. 37-42, Nov. 2009.
Paper # AP2009-125 
Date of Issue 2009-11-19 (AP, 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 AP2009-125 RCS2009-147

Conference Information
Committee RCS AP  
Conference Date 2009-11-26 - 2009-11-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Tokyo Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Adaptive Antenna, Equalization, Interference Canceller, MIMO, Wireless Communication Systems, etc. 
Paper Information
Registration To AP 
Conference Code 2009-11-RCS-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation on relay MIMO using orthogonal polarization in an actual outdoor environment 
Sub Title (in English) Channel capacity considering heterogeneous pathloss conditions 
Keyword(1) multiuser MIMO  
Keyword(2) relay station  
Keyword(3) vertical and horizontal polarizations  
Keyword(4) heterogeneous pathloss condition  
Keyword(5) K Factor  
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1st Author's Name Kentaro Nishimori  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Tomoki Murakami  
2nd Author's Affiliation NTT corporation (NTT)
3rd Author's Name Naoki Honma  
3rd Author's Affiliation Iwate Univ. (Iwate Univ.)
4th Author's Name Riichi Kudo  
4th Author's Affiliation NTT corporation (NTT)
5th Author's Name Masato Mizoguchi  
5th Author's Affiliation NTT corporation (NTT)
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Speaker Author-1 
Date Time 2009-11-26 15:40:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2009-125, RCS2009-147 
Volume (vol) vol.109 
Number (no) no.304(AP), no.305(RCS) 
Page pp.37-42(AP), pp.85-90(RCS) 
#Pages 6 
Date of Issue 2009-11-19 (AP, RCS) 

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