| Presentation | 2018-07-19 Performance Improvement by Digital Pre-Distortion Technique for 32APSK over Satellite Transmission Masaaki Kojima, Yoichi Suzuki, Yuki Koizumi, Hisashi Sujikai, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | digital pre-distortion / 32APSK / ISDB-S3 / linearizer |
| Paper # | SAT2018-18 |
| Date of Issue | 2018-07-11 (SAT) |
| Conference Information | |
| Committee | AP / SANE / SAT |
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| Conference Date | 2018/7/18(3days) |
| 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 |
| Chair | Jiro Hirokawa(Tokyo Tech.) / Sonosuke Fukushima(ENRI) / Hiroyuki Tsuji(NICT) |
| Vice Chair | Ryo Yamaguchi(SoftBank) / Toshifumi Moriyama(Nagasaki Univ.) / Akitsugu Nadai(NICT) / Hisashi Sujikai(NHK) / Fumihiro Yamashita(NTT) |
| Secretary | Ryo Yamaguchi(Saitama Univ.) / Toshifumi Moriyama(Mitsubishi Electric) / Akitsugu Nadai(ENRI) / Hisashi Sujikai(Univ. of Electro-Comm.) / Fumihiro Yamashita(NTT) |
| Assistant | Michitaka Ameya(AIST) / Ryo Natsuaki(Univ. of Tokyo) / Masato Yamanashi(Mitsubishi Space Software) / Takeshi Amishima(Mitsubishi Electric) |
| Paper Information | |
| Registration To | Technical Committee on Antennas and Propagation / Technical Committee on Space, Aeronautical and Navigational Electronics / Technical Committee on Satellite Telecommunications |
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| Language | JPN |
| 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) |
| Date | 2018-07-19 |
| Paper # | SAT2018-18 |
| Volume (vol) | vol.118 |
| Number (no) | SAT-136 |
| Page | pp.pp.43-48(SAT), |
| #Pages | 6 |
| Date of Issue | 2018-07-11 (SAT) |