| 講演抄録/キーワード |
| 講演名 |
2013-12-03 12:05
超小型衛星用X-band高速ダウンリンク送信機の開発 深見友也・渡邊宏弥(東大)・冨木淳史(JAXA)・岩切直彦(東大)・○齋藤宏文(JAXA)・中須賀真一(東大) SANE2013-102 |
| 抄録 |
(和) |
Recently small satellites start playing important roles in earth observation missions. It, however, is true that small satellites have drawbacks of sensor resolutions and down link data rate. As a solution to the latter drawback, we have developed novel communications system for 320 Mbps down link with 16QAM for small satellites with 50 kg class. We developed a new 2 W class GaN-HEMT X-band amplifier with high efficiency and small distortion, digital filter and pre-distortion processing with relatively low clock frequency in FPGAs. This paper describes our downlink system and evaluation result of the engineering model and the prototype model. |
| (英) |
Recently small satellites start playing important roles in earth observation missions. It, however, is true that small satellites have drawbacks of sensor resolutions and down link data rate. As a solution to the latter drawback, we have developed novel communications system for 320 Mbps down link with 16QAM for small satellites with 50 kg class. We developed a new 2 W class GaN-HEMT X-band amplifier with high efficiency and small distortion, digital filter and pre-distortion processing with relatively low clock frequency in FPGAs. This paper describes our downlink system and evaluation result of the engineering model and the prototype model. |
| キーワード |
(和) |
超小型衛星 / 衛星通信 / Xバンド / GaNパワーアンプ / プレディストーション / 16QAM / / |
| (英) |
nano satellite / satellite communication / X-band / GaN power amplifier / pre-distortion / 16QAM / / |
| 文献情報 |
信学技報, vol. 113, no. 335, SANE2013-102, pp. 179-184, 2013年12月. |
| 資料番号 |
SANE2013-102 |
| 発行日 |
2013-11-25 (SANE) |
| ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
著作権に ついて |
技術研究報告に掲載された論文の著作権は電子情報通信学会に帰属します.(許諾番号:10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
| PDFダウンロード |
SANE2013-102 |