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Paper Abstract and Keywords
Presentation 2025-06-25 10:00
Decentralized Probabilistic Frequency Block-Dependent Base Station Sleep Control for Improving Energy Efficiency Under FTP Traffic Model
Ryo Tanaka, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2025-49
Abstract (in Japanese) (See Japanese page) 
(in English) This paper investigates a decentralized and autonomous frequency block-dependent sleep control of base stations (BSs) to improve energy efficiency under an FTP (File Transfer Protocol) traffic model. In the FTP traffic model, a user is assigned a finite payload to transmit when it arrives, and it leaves the system after the payload transmission is completed. This model allows for the evaluation of the adaptability of BS sleep control methods to changes in the number of active users in the system coverage area. The proposed method adaptively updates the activation probability of each frequency block based on the number of connected users at the local and neighboring BSs to improve energy efficiency. Two types of sleep states are considered: switching between active and sleep states can be performed immediately, and the deep-sleep state, which takes time to switch but consumes less energy than the micro-sleep state. The proposed method updates the probability of each frequency block entering the micro-sleep state to effectively leverage both states depending on traffic conditions. Computer simulations demonstrate the effectiveness of the proposed method compared to conventional probabilistic and deep Q-network (DQN)-based methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Base station sleep control / frequency block / energy efficiency / FTP traffic model / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 88, RCS2025-49, pp. 107-113, June 2025.
Paper # RCS2025-49 
Date of Issue 2025-06-17 (RCS) 
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 RCS2025-49

Conference Information
Committee RCS  
Conference Date 2025-06-24 - 2025-06-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Asahikawa-Shimin-Bunka-Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Paper Information
Registration To RCS 
Conference Code 2025-06-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Decentralized Probabilistic Frequency Block-Dependent Base Station Sleep Control for Improving Energy Efficiency Under FTP Traffic Model 
Sub Title (in English)  
Keyword(1) Base station sleep control  
Keyword(2) frequency block  
Keyword(3) energy efficiency  
Keyword(4) FTP traffic model  
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1st Author's Name Ryo Tanaka  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Takanori Hara  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
3rd Author's Name Satoshi Suyama  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
4th Author's Name Satoshi Nagata  
4th Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
5th Author's Name Kenichi Higuchi  
5th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2025-06-25 10:00:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2025-49 
Volume (vol) vol.125 
Number (no) no.88 
Page pp.107-113 
#Pages 7 
Date of Issue 2025-06-17 (RCS) 

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