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Paper Abstract and Keywords
Presentation 2018-07-19 09:45
Performance Improvement by Digital Pre-Distortion Technique for 32APSK over Satellite Transmission
Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai (NHK) SAT2018-18
Abstract (in Japanese) (See Japanese page) 
(in English) 4K/8K test broadcasting by satellite started on August 1st 2016, and 4K/8K commercial broadcasting will start on December 1st 2018. The transmission system for 4K/8K broadcasting is ISDB-S3 that has adopted 16APSK and 32APSK as new modulation schemes. While 16APSK is used for the test and commercial 4K/8K broadcasting, 32APSK is not used because its non-linear distortion by satellite transponder is much larger than 16APSK. We have proposed a digital pre-distortion technique to mitigate the effect of non-linear distortion. Although we indicated its effectiveness by numerical calculations and transmission experiments, characteristics of the satellite channel in the evaluation were limited to the ones of a transponder without a linearizer. In this study, we report on experimental results of the reception performances for 32APSK and the improvements by the digital pre-distortion technique over a satellite channel with and without the linearizer.
Keyword (in Japanese) (See Japanese page) 
(in English) digital pre-distortion / 32APSK / ISDB-S3 / linearizer / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 136, SAT2018-18, pp. 43-48, July 2018.
Paper # SAT2018-18 
Date of Issue 2018-07-11 (SAT) 
ISSN Online edition: ISSN 2432-6380
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 SAT2018-18

Conference Information
Committee AP SANE SAT  
Conference Date 2018-07-18 - 2018-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Remote sensing, Sattelite Communication, Radio propagation, Antennas and Propagation 
Paper Information
Registration To SAT 
Conference Code 2018-07-AP-SANE-SAT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Performance Improvement by Digital Pre-Distortion Technique for 32APSK over Satellite Transmission 
Sub Title (in English)  
Keyword(1) digital pre-distortion  
Keyword(2) 32APSK  
Keyword(3) ISDB-S3  
Keyword(4) linearizer  
1st Author's Name Masaaki Kojima  
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 Yuki Koizumi  
3rd Author's Affiliation Japan Broadcasting Corporation (NHK)
4th Author's Name Hisashi Sujikai  
4th Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2018-07-19 09:45:00 
Presentation Time 25 minutes 
Registration for SAT 
Paper # SAT2018-18 
Volume (vol) vol.118 
Number (no) no.136 
Page pp.43-48 
Date of Issue 2018-07-11 (SAT) 

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