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Paper Abstract and Keywords
Presentation 2009-02-27 09:55
Non-linear Compensation Technique Based on Signal Point Error Estimation on Satellite Transmission System
Masaaki Kojima, Yoichi Suzuki, Akinori Hashimoto, Hisashi Sujikai, Shoji Tanaka, Takeshi Kimura, Kazuyoshi Shogen (NHK) SAT2008-66
Abstract (in Japanese) (See Japanese page) 
(in English) 16APSK and 32APSK, which have high transmission efficiency, are being studied aiming at transmitting more HDTV programs per channel or realizing high quality services beyond HDTV. Multi-level modulation such as APSK is vulnerable to non-linear distortion of satellite transponder. In this paper, we propose a predistortion technique on transmitter which estimates the distortion over the satellite channels in advance and compensates for every signal point based on the estimation. APSK requires quasi-linear transponders which mean larger back-off for operating TWTA (Traveling Wave Tube Amplifier). In this paper, we report investigation results by computer simulation on the compensation effect of this compensation technique.
Keyword (in Japanese) (See Japanese page) 
(in English) Non-linear Compensation / APSK / TWTA / Back-Off / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 440, SAT2008-66, pp. 37-42, Feb. 2009.
Paper # SAT2008-66 
Date of Issue 2009-02-19 (SAT) 
ISSN Print edition: ISSN 0913-5685  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)
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Conference Information
Committee SAT SANE  
Conference Date 2009-02-26 - 2009-02-27 
Place (in Japanese) (See Japanese page) 
Place (in English) NICT Knowledge Creating Communication Research Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Satellite application and general 
Paper Information
Registration To SAT 
Conference Code 2009-02-SAT-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Non-linear Compensation Technique Based on Signal Point Error Estimation on Satellite Transmission System 
Sub Title (in English)  
Keyword(1) Non-linear Compensation  
Keyword(2) APSK  
Keyword(3) TWTA  
Keyword(4) Back-Off  
1st Author's Name Masaaki Kojima  
1st Author's Affiliation NHK (NHK)
2nd Author's Name Yoichi Suzuki  
2nd Author's Affiliation NHK (NHK)
3rd Author's Name Akinori Hashimoto  
3rd Author's Affiliation NHK (NHK)
4th Author's Name Hisashi Sujikai  
4th Author's Affiliation NHK (NHK)
5th Author's Name Shoji Tanaka  
5th Author's Affiliation NHK (NHK)
6th Author's Name Takeshi Kimura  
6th Author's Affiliation NHK (NHK)
7th Author's Name Kazuyoshi Shogen  
7th Author's Affiliation NHK (NHK)
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Date Time 2009-02-27 09:55:00 
Presentation Time 25 
Registration for SAT 
Paper # IEICE-SAT2008-66 
Volume (vol) IEICE-108 
Number (no) no.440 
Page pp.37-42 
#Pages IEICE-6 
Date of Issue IEICE-SAT-2009-02-19 

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