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Paper Abstract and Keywords
Presentation 2026-01-26 11:45
Access Control Method with Terminal Responses in Uplink Terminal Cooperative Communication System
Tomoharu Asano (Nagoya Univ.), Hiraku Okada (Meijo Univ.), Shan Lu, Takaya Yamazato (Nagoya Univ.) IT2025-44 SIP2025-58 RCS2025-215
Abstract (in Japanese) (See Japanese page) 
(in English) Terminal-cooperative communication systems enable a mobile station (MS) to share transmitted information with neighboring terminals and cooperate with them, thereby forming a virtual large-scale MIMO system and achieving spatial multiplexing transmission. In this study, to improve uplink throughput, we propose inter-terminal access control schemes that can efficiently control and select neighboring terminals while maintaining large inter-terminal distances. Specifically, three inter-terminal access control schemes incorporating terminal responses are proposed. These schemes differ in the timing structure of MS transmissions and neighboring terminal responses: a scheme that shares transmission and response periods, a scheme that separates them, and a scheme that performs MS transmission and terminal responses sequentially. Through simulation-based evaluations, we demonstrate that the proposed three schemes, compared with conventional methods, can stably control the number of cooperating terminals per MS while maintaining larger inter-terminal distances.
Keyword (in Japanese) (See Japanese page) 
(in English) terminal cooperative communication system / inter-terminal communication / access control / uplink / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 334, RCS2025-215, pp. 49-54, Jan. 2026.
Paper # RCS2025-215 
Date of Issue 2026-01-19 (IT, SIP, 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 IT2025-44 SIP2025-58 RCS2025-215

Conference Information
Committee IT RCS SIP  
Conference Date 2026-01-26 - 2026-01-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Forest Sendai 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal Processing for Wireless Communications, Learning, Mathematics, Information Theory, etc. 
Paper Information
Registration To RCS 
Conference Code 2026-01-IT-RCS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Access Control Method with Terminal Responses in Uplink Terminal Cooperative Communication System 
Sub Title (in English)  
Keyword(1) terminal cooperative communication system  
Keyword(2) inter-terminal communication  
Keyword(3) access control  
Keyword(4) uplink  
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1st Author's Name Tomoharu Asano  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Hiraku Okada  
2nd Author's Affiliation Meijo University (Meijo Univ.)
3rd Author's Name Shan Lu  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Takaya Yamazato  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2026-01-26 11:45:00 
Presentation Time 25 minutes 
Registration for RCS 
Paper # IT2025-44, SIP2025-58, RCS2025-215 
Volume (vol) vol.125 
Number (no) no.332(IT), no.333(SIP), no.334(RCS) 
Page pp.49-54 
#Pages 6 
Date of Issue 2026-01-19 (IT, SIP, RCS) 

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