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Paper Abstract and Keywords
Presentation 2023-06-15 11:10
Decentralized Probabilistic Frequency Block-Dependent Base Station Sleep Control for Improving Energy Efficiency Both in Up and Downlinks
Hiroya Kuwahara (Tokyo Univ. of Science), Yuto Muroki, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-56
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a decentralized probabilistic method for the frequency block-dependent base station sleep control aiming at the improvement in energy efficiency both in up and downlinks. The energy efficiency is defined as the integrated system throughput which combines the user throughput levels of uplink and downlink per unit energy consumption at the base stations. The purpose of the proposed method is to reduce inter-cell interference and energy consumption of the base stations by adaptively performing the sleep control of each frequency block in harmonized manner between the neighboring base stations based on the practical autonomous decentralized control for each base station. In the proposed method, two sleep states are defined for the base station: the micro-sleep state, in which 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. By adaptively choosing the sleep state of each frequency block, the energy efficiency of the proposed method is further improved. Computer simulations show that the proposed method, which adaptively switches between micro-sleep and deep-sleep, significantly improves the uplink and downlink energy efficiency by dividing the system band into approximately three frequency blocks.
Keyword (in Japanese) (See Japanese page) 
(in English) Cellular networks / base station sleep control / energy efficiency / system throughput / frequency blocks / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 76, RCS2023-56, pp. 167-174, June 2023.
Paper # RCS2023-56 
Date of Issue 2023-06-07 (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 RCS2023-56

Conference Information
Committee RCS  
Conference Date 2023-06-14 - 2023-06-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University, and online 
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 2023-06-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 Both in Up and Downlinks 
Sub Title (in English)  
Keyword(1) Cellular networks  
Keyword(2) base station sleep control  
Keyword(3) energy efficiency  
Keyword(4) system throughput  
Keyword(5) frequency blocks  
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Keyword(8)  
1st Author's Name Hiroya Kuwahara  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
2nd Author's Name Yuto Muroki  
2nd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
3rd Author's Name Satoshi Nagata  
3rd Author's Affiliation NTT DOCOMO, INC. (NTT DOCOMO)
4th Author's Name Kenichi Higuchi  
4th Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2023-06-15 11:10:00 
Presentation Time 10 minutes 
Registration for RCS 
Paper # RCS2023-56 
Volume (vol) vol.123 
Number (no) no.76 
Page pp.167-174 
#Pages 8 
Date of Issue 2023-06-07 (RCS) 

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