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Paper Abstract and Keywords
Presentation 2024-09-05 10:50
[Encouragement Talk] A Cross-Layer Congestion Control Based on Bandwidth Fluctuation Estimation for Low Earth Orbit Satellite Communications
Akane Suzuki, Akihiro Nakao (UTokyo) NS2024-77
Abstract (in Japanese) (See Japanese page) 
(in English) In regions where terrestrial networks are vulnerable or during disasters requiring emergency communications, integrating Low Earth Orbit (LEO) satellites with 5G networks is highly promising. Effective integration requires control methods tailored to the communication characteristics of both systems. One approach is cross-layer congestion control that adapts to the periodic quality fluctuations specific to LEO. Previous research identified that the communication quality of LEO satellites, such as Starlink, fluctuates on a 15-second cycle, leading to the ineffectiveness of CUBIC-TCP congestion control. To address this, we proposed a new “cross-layer TCP congestion control.” However, implementing this control requires solving two challenges: (1) accurately detecting cycle boundaries and (2) predicting or estimating bandwidth fluctuations within each cycle. This study proposes an outlier detection-based algorithm for cycle boundary detection and a bandwidth estimation method based on packet arrival times at cycle boundaries. This paper evaluates the effectiveness of the proposed cycle boundary detection algorithm and the accuracy of the LEO-based Sbandwidth estimation method using real-world data, and assesses the improvements achieved by the proposed congestion control method.
Keyword (in Japanese) (See Japanese page) 
(in English) Low Earth Orbit Satellite Constellations / TCP / Congestion Control / / / / /  
Reference Info. IEICE Tech. Rep., vol. 124, no. 179, NS2024-77, pp. 12-17, Sept. 2024.
Paper # NS2024-77 
Date of Issue 2024-08-29 (NS) 
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 NS2024-77

Conference Information
Committee NS IN CS NV  
Conference Date 2024-09-05 - 2024-09-06 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku University + Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Session management (SIP/IMS), Interoperability/Standardization, NGN/NwGN/Future networks, Cloud/Data center networks, SDN (OpenFlow, etc.)/NFV, IPv6, Machine learning, etc. 
Paper Information
Registration To NS 
Conference Code 2024-09-IN-NS-CS-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Cross-Layer Congestion Control Based on Bandwidth Fluctuation Estimation for Low Earth Orbit Satellite Communications 
Sub Title (in English)  
Keyword(1) Low Earth Orbit Satellite Constellations  
Keyword(2) TCP  
Keyword(3) Congestion Control  
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1st Author's Name Akane Suzuki  
1st Author's Affiliation the University of Tokyo (UTokyo)
2nd Author's Name Akihiro Nakao  
2nd Author's Affiliation the University of Tokyo (UTokyo)
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Speaker Author-1 
Date Time 2024-09-05 10:50:00 
Presentation Time 25 minutes 
Registration for NS 
Paper # NS2024-77 
Volume (vol) vol.124 
Number (no) no.179 
Page pp.12-17 
#Pages 6 
Date of Issue 2024-08-29 (NS) 

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