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Paper Abstract and Keywords
Presentation 2018-10-31 13:25
[Poster Presentation] On Beam-Pattern and Nulls toward Interferences in Multiuser MIMO Using Null-Space Extension
Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) SR2018-86
Abstract (in Japanese) (See Japanese page) 
(in English) Multi-user massive MIMO (MU-MIMO) is one of the key technologies for the 5th generation mobile communication system(5G). To suppress the interference waves in the MU-MIMO reception system, null space extension method, which extended the dimension of interference wave, is known to keep out the degradation of SIR due to channel fluctuation. It has already been reported that the method forms nulls to the direction of each incident wave in Nakagami-Rice or Rayleigh fading channels with a few number of multipath waves. This paper shows that the influence to the performance of interference suppressing is limited even if the number of incident waves exceeds the array’s degree of freedom with computer simulations of SIR.
Keyword (in Japanese) (See Japanese page) 
(in English) adaptive array antenna / degree of freedom / MIMO / diversity / zero-forcing / null-space extension / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 274, SR2018-86, pp. 71-72, Oct. 2018.
Paper # SR2018-86 
Date of Issue 2018-10-23 (SR) 
ISSN 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 SR2018-86

Conference Information
Committee SR  
Conference Date 2018-10-30 - 2018-10-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Mandarin Hotel, Bangkok, Thailand 
Topics (in Japanese) (See Japanese page) 
Topics (in English) SmartCom2018 
Paper Information
Registration To SR 
Conference Code 2018-10-SR 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Beam-Pattern and Nulls toward Interferences in Multiuser MIMO Using Null-Space Extension 
Sub Title (in English)  
Keyword(1) adaptive array antenna  
Keyword(2) degree of freedom  
Keyword(3) MIMO  
Keyword(4) diversity  
Keyword(5) zero-forcing  
Keyword(6) null-space extension  
Keyword(7)  
Keyword(8)  
1st Author's Name Hironori Ban  
1st Author's Affiliation Fukuoka University (Fukuoka Univ.)
2nd Author's Name Makoto Taromaru  
2nd Author's Affiliation Fukuoka University (Fukuoka Univ.)
3rd Author's Name Mai Ohta  
3rd Author's Affiliation Fukuoka University (Fukuoka Univ.)
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Speaker Author-1 
Date Time 2018-10-31 13:25:00 
Presentation Time 60 minutes 
Registration for SR 
Paper # SR2018-86 
Volume (vol) vol.118 
Number (no) no.274 
Page pp.71-72 
#Pages 2 
Date of Issue 2018-10-23 (SR) 

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