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Paper Abstract and Keywords
Presentation 2016-08-23 10:20
Spatial Characteristic Evaluation of Antenna Arrangement Suitable for MIMO Full-Duplex
Masakuni Tsunezawa, Naoki Honma, Kazuya Takahashi (Iwate Univ.), Kentaro Nishimori (Niigata Univ.) AP2016-81
Abstract (in Japanese) (See Japanese page) 
(in English) In order to realize full duplex radio communication, we have researched an interference reduction technique, which spatially separates transmitting~(Tx) and receiving~(Rx) arrays pf the multiple-input multiple-output~(MIMO) antennas. We have proposed a combination technique of an end-fire antenna arrangement, which arranges all of elements of Tx and Rx array in line, and a null-steering by an eigen-beamforming technique. Some numerical and experimental results showed the proposed method greatly reduces the interference with consuming the least of degrees of MIMO freedom. This report evaluates spatial capacity distributions of a base station with the proposed technique. As a simple evaluation for a line-of-sight~(LOS) environment, a simple electro-magnetic calculation is performed, which only considers propagation loss and phases on the free space. As a realistic evaluation, a ray trace simulation is used, where an outdoor multi-path environment is assumed. Numerical results clarified an effect of a null directivity to an end-fire direction on a spatial distribution of a channel capacity with multi-path in the proposed system.
Keyword (in Japanese) (See Japanese page) 
(in English) MIMO / full duplex / interference reduction / ray trace analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 186, AP2016-81, pp. 73-78, Aug. 2016.
Paper # AP2016-81 
Date of Issue 2016-08-15 (AP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee AP  
Conference Date 2016-08-22 - 2016-08-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagasaki Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student session, New style session, Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2016-08-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Spatial Characteristic Evaluation of Antenna Arrangement Suitable for MIMO Full-Duplex 
Sub Title (in English)  
Keyword(1) MIMO  
Keyword(2) full duplex  
Keyword(3) interference reduction  
Keyword(4) ray trace analysis  
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1st Author's Name Masakuni Tsunezawa  
1st Author's Affiliation Iwate University (Iwate Univ.)
2nd Author's Name Naoki Honma  
2nd Author's Affiliation Iwate University (Iwate Univ.)
3rd Author's Name Kazuya Takahashi  
3rd Author's Affiliation Iwate University (Iwate Univ.)
4th Author's Name Kentaro Nishimori  
4th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2016-08-23 10:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2016-81 
Volume (vol) vol.116 
Number (no) no.186 
Page pp.73-78 
#Pages 6 
Date of Issue 2016-08-15 (AP) 

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