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Paper Abstract and Keywords
Presentation 2026-06-02 13:30
Throughput Analysis of Butterfly-Typed Wireless Network Coding with Multi-Level Transmission Scheme
Enishi Ohashi, Yusuke Kozawa, Hiromasa Habuchi (Ibaraki Univ.) WBS2026-14 RCC2026-14 MICT2026-14
Abstract (in Japanese) (See Japanese page) 
(in English) In wireless multihop networks, schemes using network coding (NC), have been proposed as a method to achieve higher throughput than store-and-forward (SF). In this paper, wireless NC schemes using PAM4 or PAM8 are proposed. For performance evaluation, the throughput performance based on the average packet acquisition time is evaluated in butterfly networks utilizing SF and NC. The results show that, with a direct path length of 40 [m] from the source node to the destination node, NC becomes effective when the average transmission signal energy per bit to noise power spectral density ratio is 100.5 [dB] or higher for PAM4 and 105.2 [dB] or higher for PAM8. Furthermore, the throughputs for PAM4 and PAM8 converge to 2 [bps/Hz] and 3 [bps/Hz], respectively, demonstrating that the maximum throughput can be improved compared to binary modulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Network Coding / Wireless Multihop Network / Butterfly Network / Multi-level Pulse Amplitude Modulation / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 46, WBS2026-14, pp. 67-72, June 2026.
Paper # WBS2026-14 
Date of Issue 2026-05-25 (WBS, RCC, MICT) 
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 WBS2026-14 RCC2026-14 MICT2026-14

Conference Information
Committee RCC MICT WBS  
Conference Date 2026-06-01 - 2026-06-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Yokosuka Research Park(YRP) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Reliable Communication and Control, Healthcare and Medical Information Communication Technologies, Coding, Modulation, Signal processing and General 
Paper Information
Registration To WBS 
Conference Code 2026-06-RCC-MICT-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Throughput Analysis of Butterfly-Typed Wireless Network Coding with Multi-Level Transmission Scheme 
Sub Title (in English)  
Keyword(1) Network Coding  
Keyword(2) Wireless Multihop Network  
Keyword(3) Butterfly Network  
Keyword(4) Multi-level Pulse Amplitude Modulation  
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1st Author's Name Enishi Ohashi  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Yusuke Kozawa  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
3rd Author's Name Hiromasa Habuchi  
3rd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Speaker Author-1 
Date Time 2026-06-02 13:30:00 
Presentation Time 25 minutes 
Registration for WBS 
Paper # WBS2026-14, RCC2026-14, MICT2026-14 
Volume (vol) vol.126 
Number (no) no.46(WBS), no.47(RCC), no.48(MICT) 
Page pp.67-72 
#Pages 6 
Date of Issue 2026-05-25 (WBS, RCC, MICT) 

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