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Paper Abstract and Keywords
Presentation 2025-12-18 11:15
Improvement of Power Saving Effect and Latency Reduction in C-DRX Control with Base Station Sleep Control
Yuma Shishido, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2025-189
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper tries to enhance the power saving effect and to suppress the latency increase of connected-mode discontinuous reception (C-DRX) at user equipment (UE) by jointly applying our previously reported probabilistic sleep control at base stations (BSs). C-DRX is a power saving technology on the UE side defined in 3GPP for 5G NR by discontinuous reception. The drawback to C-DRX is an increase in latency. Meanwhile, BS sleep control contributes to the network power saving in general. Most of the existing works investigate C-DRX and BS sleep control individually, but this paper clarifies their combined effects. Intuitively, BS sleep control may degrade C-DRX performance because the number of BSs to which UE can connect is reduced. However, detailed simulation results surprisingly elucidate that our probabilistic BS sleep control enhances the power saving effect at UEs and suppresses the latency increase of C-DRX operation while reducing the power consumption at BSs. This is owing to the intelligent BS sleep control, which considers the system-level throughput or energy efficiency enhancement through the reduction in inter-cell interference by appropriately terminating the transmission at a part of BSs depending on the given UE distribution in the system coverage area.
Keyword (in Japanese) (See Japanese page) 
(in English) base station sleep control / connected-mode discontinuous reception / energy efficiency / latency / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 302, RCS2025-189, pp. 31-36, Dec. 2025.
Paper # RCS2025-189 
Date of Issue 2025-12-11 (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 RCS2025-189

Conference Information
Committee NS RCS  
Conference Date 2025-12-18 - 2025-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Fukui International Activities Plaza + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Multi-hop/Relay/Cooperation, Disaster-resistant wireless network, Sensor/Mesh network, Ad-hoc network, D2D/M2M, Wireless network coding, Handover/AP switching/Connected cell control/Load balancing among base stations/Mobile network dynamic reconfiguration, QoS/QoE assurance, Wireless VoIP, IoT, Edge computing, etc. 
Paper Information
Registration To RCS 
Conference Code 2025-12-NS-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Power Saving Effect and Latency Reduction in C-DRX Control with Base Station Sleep Control 
Sub Title (in English)  
Keyword(1) base station sleep control  
Keyword(2) connected-mode discontinuous reception  
Keyword(3) energy efficiency  
Keyword(4) latency  
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1st Author's Name Yuma Shishido  
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 Kenichi Higuchi  
3rd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Science)
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Speaker Author-1 
Date Time 2025-12-18 11:15:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2025-189 
Volume (vol) vol.125 
Number (no) no.302 
Page pp.31-36 
#Pages 6 
Date of Issue 2025-12-11 (RCS) 

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