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Paper Abstract and Keywords
Presentation 2023-08-04 14:10
LDPC Coded DBICM System for Multiple Access Channels
Masato Kawasumi, Hiroyuki Yashima (TUS), Ryo Shibata (Shinshu Univ.) IT2023-28
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we propose a multilevel coded modulation method based on a low-density parity-check (LDPC) codes and delayed bit interleaved coded modulation (DBICM) for a 2-user multiple access channel. In the proposed method, the codewords of each user are divided and allocated to multiple time slots based on unique parameters. The proposed method can mitigate the reduction of shorter symbol-to-symbol distance, noise effects, and user interference. we investigate the relationship between signal point allocation, bit labeling for each user, and performance in terms of mutual information. Moreover, we evaluate the error rate performance of the proposed LDPC-coded DBICM system through computer simulations to illustrates the effect of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Multi-level modulation / Delayed bit interleaved coded modulation / Multiple access channels / Low-Density Parity-Check code / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 149, IT2023-28, pp. 80-85, Aug. 2023.
Paper # IT2023-28 
Date of Issue 2023-07-27 (IT) 
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 IT2023-28

Conference Information
Committee IT  
Conference Date 2023-08-03 - 2023-08-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Shonan Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Freshman session, General 
Paper Information
Registration To IT 
Conference Code 2023-08-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) LDPC Coded DBICM System for Multiple Access Channels 
Sub Title (in English)  
Keyword(1) Multi-level modulation  
Keyword(2) Delayed bit interleaved coded modulation  
Keyword(3) Multiple access channels  
Keyword(4) Low-Density Parity-Check code  
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1st Author's Name Masato Kawasumi  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Hiroyuki Yashima  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Ryo Shibata  
3rd Author's Affiliation Shinshu University (Shinshu Univ.)
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Speaker Author-1 
Date Time 2023-08-04 14:10:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2023-28 
Volume (vol) vol.123 
Number (no) no.149 
Page pp.80-85 
#Pages 6 
Date of Issue 2023-07-27 (IT) 

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