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Paper Abstract and Keywords
Presentation 2017-01-19 11:15
A Study on Transmitter Beamforming Control Based on Firefly Algorithm for Massive MIMO Systems with Per-Antenna Power Constraint
Takashi Yamanaka, Kenichi Higuchi (Tokyo Univ. of Science) IT2016-49 SIP2016-87 RCS2016-239
Abstract (in Japanese) (See Japanese page) 
(in English) In massive multiple-input multiple-output (MIMO) downlink, the transmitter beamforming (BF) to achieve the beamforming (power) gain and/or reduction in inter-user interference in multiuser MIMO case based on the channel state information (CSI)-feedback from the user terminals is essential. Massive MIMO requires large number of transmitter power amplifiers dedicated to each of transmitter antennas and allowable transmission power per power amplifiers (thus per transmitter antenna) is to be severely limited. Therefore, it is necessary to perform transmission BF in consideration of the limitation on the transmission power per antenna. In this paper, we consider the BF control using the firefly algorithm (FA) when there is a per-antenna transmission power constraint. FA is a kind of swarm intelligence and by mimicking the behavior of fireflies which moves toward neighbor fireflies based on distance and brightness of the neighbor fireflies, the solution to the multimodal optimization is obtained efficiently. By setting the BF matrix as a position of the firefly and the obtainable metric for the system throughput maximization as a brightness of the firefly, we apply the FA to the BF control. We evaluate the performance of BF control using FA from the viewpoint of the geometric mean user throughput by using computer simulations.
Keyword (in Japanese) (See Japanese page) 
(in English) Massive MIMO / beamforming / firefly algorithm / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 396, RCS2016-239, pp. 19-24, Jan. 2017.
Paper # RCS2016-239 
Date of Issue 2017-01-12 (IT, 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 IT2016-49 SIP2016-87 RCS2016-239

Conference Information
Committee IT SIP RCS  
Conference Date 2017-01-19 - 2017-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka City Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Communications, Learning, Mathematical Science, Communication Theory, etc. 
Paper Information
Registration To RCS 
Conference Code 2017-01-IT-SIP-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Transmitter Beamforming Control Based on Firefly Algorithm for Massive MIMO Systems with Per-Antenna Power Constraint 
Sub Title (in English)  
Keyword(1) Massive MIMO  
Keyword(2) beamforming  
Keyword(3) firefly algorithm  
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1st Author's Name Takashi Yamanaka  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Kenichi Higuchi  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2017-01-19 11:15:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2016-49, SIP2016-87, RCS2016-239 
Volume (vol) vol.116 
Number (no) no.394(IT), no.395(SIP), no.396(RCS) 
Page pp.19-24 
#Pages 6 
Date of Issue 2017-01-12 (IT, SIP, RCS) 

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