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Paper Abstract and Keywords
Presentation 2017-01-19 15:45
Improved Algorithm for Online Probabilistic Transmission Power Control of Base Stations Based on Observed System Throughput in Heterogeneous Networks
Takahiro Saito, Kenichi Higuchi (Tokyo Univ. of Science) IT2016-70 SIP2016-108 RCS2016-260
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose improved method for our previously reported online probabilistic transmission power control method of base stations (BSs) in heterogeneous networks where low transmission-power pico-BSs are overlaid onto a high transmission-power macro-BS. Previously reported method requires only a single metric to be exchanged among BSs, which is a system throughput measure at each cell. The previous method adaptively controls the activation probability of each BS individually, depending on the time variation in the system throughput and the temporal transmission power states of each BS. As a result, the system throughput can be enhanced due to appropriately reduced inter-cell interference. However, since the previous method updates the transmission power of each BS with small step size at each iteration, there is a room for further improvement in the convergence rate and tracking capability to the change in user distribution. The proposed new algorithm defines limited set of candidate transmission power levels and application probability of each candidate transmission power level is updated based on the time variation in the system throughput and the temporal transmission power states of each BS. As a result, the performance after convergence and the tracking ability to the change in user distribution is improved compared to the previous one. Computer simulation results show the effectiveness of the proposed methods compared to the conventional approaches.
Keyword (in Japanese) (See Japanese page) 
(in English) Heterogeneous networks / small cell / transmission power control / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 396, RCS2016-260, pp. 141-146, Jan. 2017.
Paper # RCS2016-260 
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 IT2016-70 SIP2016-108 RCS2016-260

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) Improved Algorithm for Online Probabilistic Transmission Power Control of Base Stations Based on Observed System Throughput in Heterogeneous Networks 
Sub Title (in English)  
Keyword(1) Heterogeneous networks  
Keyword(2) small cell  
Keyword(3) transmission power control  
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1st Author's Name Takahiro Saito  
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 15:45:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2016-70, SIP2016-108, RCS2016-260 
Volume (vol) vol.116 
Number (no) no.394(IT), no.395(SIP), no.396(RCS) 
Page pp.141-146 
#Pages 6 
Date of Issue 2017-01-12 (IT, SIP, RCS) 

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