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Paper Abstract and Keywords
Presentation 2021-08-24 10:50
LDPC-Based Multi-dimensional Coded Modulation
Kosei Yoshida, Shigenobu Sasaki (Niigata Univ.) SRW2021-15
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, multi-dimensional coded QAM with low-density-parity-check (LDPC) codes is proposed. In recent years, the combination of error correcting codes with QAM is widely used in high-speed wireless communication systems. In this case, as the transmission rate increases, the error rate performance degrades and the peak-to-average power ratio (PAPR) of the transmitted signal becomes larger. In this paper, we introduce the multi-dimensional coded modulation structure proposed by Wei, and apply LDPC codes as error correcting codes to reduce the PAPR and improve the error rate performance. Simulation results show that the multidimensional coded modulation with LDPC coding provides better error rate performance than the conventional multidimensional coded modulation with convolutional coding. It is also shown that the required signal-to-noise ratio to maintain 10^(-5) bit error rate can be improved by about 1 dB compared with that in conventional LDPC coded QAM.
Keyword (in Japanese) (See Japanese page) 
(in English) LDPC code / QAM / Multi-dimensional coded modulation / trellis coded modulation / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 145, SRW2021-15, pp. 8-12, Aug. 2021.
Paper # SRW2021-15 
Date of Issue 2021-08-17 (SRW) 
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)
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Conference Information
Committee SRW  
Conference Date 2021-08-24 - 2021-08-24 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) WLAN, WPAN, Ad-hoc, mmWave, etc. 
Paper Information
Registration To SRW 
Conference Code 2021-08-SRW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) LDPC-Based Multi-dimensional Coded Modulation 
Sub Title (in English)  
Keyword(1) LDPC code  
Keyword(2) QAM  
Keyword(3) Multi-dimensional coded modulation  
Keyword(4) trellis coded modulation  
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1st Author's Name Kosei Yoshida  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Shigenobu Sasaki  
2nd Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2021-08-24 10:50:00 
Presentation Time 25 minutes 
Registration for SRW 
Paper # SRW2021-15 
Volume (vol) vol.121 
Number (no) no.145 
Page pp.8-12 
#Pages
Date of Issue 2021-08-17 (SRW) 


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