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Paper Abstract and Keywords
Presentation 2016-10-13 15:15
A study on 64APSK Coded Modulation
Yuki Koizumi, Yoichi Suzuki, Masaaki Kojima, Kyoichi Saito, Shoji Tanaka (NHK) SAT2016-55
Abstract (in Japanese) (See Japanese page) 
(in English) We’re engaged in improving the performance of 64APSK coded modulation with the purpose of further increasing transmission capacity for 12GHz-band satellite broadcasting. For designing 64APSK coded modulation, we use channel capacity equivalent to the modulation constrained Shannon limit. The 64APSK constellation and bit allocation for set partitioning are designed so that channel capacity is maximized. We also improve transmission performance by applying LDPC code with a different coding rate for each bit as error-correcting code for 64APSK coded modulation. The transmission performance of this method under additive white Gaussian noise (AWGN) is evaluated by computer simulation. The results show that the required C/N for our proposed methods can be improved by about 1.0 dB compared with the conventional one under the same coding rate of 4/5.
Keyword (in Japanese) (See Japanese page) 
(in English) 64APSK / Coded Modulation / Set partitioning / LDPC code / Satellite Broadcasting / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 243, SAT2016-55, pp. 51-56, Oct. 2016.
Paper # SAT2016-55 
Date of Issue 2016-10-06 (SAT) 
ISSN Print edition: ISSN 0913-5685    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 SAT2016-55

Conference Information
Committee SAT  
Conference Date 2016-10-13 - 2016-10-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Incheon Univ. Songdo R104, Auditorium & Performing Place 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite Communications, etc. (JC-SAT 2016) 
Paper Information
Registration To SAT 
Conference Code 2016-10-SAT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on 64APSK Coded Modulation 
Sub Title (in English)  
Keyword(1) 64APSK  
Keyword(2) Coded Modulation  
Keyword(3) Set partitioning  
Keyword(4) LDPC code  
Keyword(5) Satellite Broadcasting  
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Keyword(7)  
Keyword(8)  
1st Author's Name Yuki Koizumi  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
2nd Author's Name Yoichi Suzuki  
2nd Author's Affiliation Japan Broadcasting Corporation (NHK)
3rd Author's Name Masaaki Kojima  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
4th Author's Name Kyoichi Saito  
4th Author's Affiliation Japan Broadcasting Corporation (NHK)
5th Author's Name Shoji Tanaka  
5th Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2016-10-13 15:15:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2016-55 
Volume (vol) vol.116 
Number (no) no.243 
Page pp.51-56 
#Pages 6 
Date of Issue 2016-10-06 (SAT) 

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