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| 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 |
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| 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 | |
| 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 | SAT2008-66 |
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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 |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 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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| Speaker | Author-1 |
| Date Time | 2009-02-27 09:55:00 |
| Presentation Time | 25 minutes |
| Registration for | SAT |
| Paper # | SAT2008-66 |
| Volume (vol) | vol.108 |
| Number (no) | no.440 |
| Page | pp.37-42 |
| #Pages | 6 |
| Date of Issue | 2009-02-19 (SAT) |
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