Demonstration of 2.65 / 3.3 Gbit per sec X Band Radiowave Down Link Communications from LEO Small Satellite

Autor: Saito, Hirobumi, Murakami, Keishi, Kunii, Yoshinori, Tomoda, Takahisa, Kaneko, Tomoki, Kawano, Noriyuki, Nakasuka, Shinichi, Shirasaka, Seiko

Publikováno v: Small Satellite Conference

This paper reports our new communication system and downlink demonstrations with a small satellite of 2.65 Gbps data rate with 64 APSK modulation and 3.3Gbps data rate with 256 APSK modulation by utilizing two circular polarization channels of X band

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______1459::e4ed6ff6a124af4e8309ba74818f9a8c
https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=4771&context=smallsat

Comparison on Maximum-Likelihood Sequence Estimation Schemes Incorporating Carrier Phase Estimation.

Autor: Kubo, Hiroshi, Murakami, Keishi

Publikováno v: IEEE Transactions on Communications. Jan99, Vol. 47 Issue 1, p14. 4p. 2 Diagrams, 1 Chart, 1 Graph.

Performance of channel estimation schemes for multicarrier systems.

Autor: Taira, Akinori, Hara, Yoshitaka, Ishizu, Fumio, Murakami, Keishi

Publikováno v: Electronics & Communications in Japan, Part 1: Communications; Apr2006, Vol. 89 Issue 4, p10-21, 12p, 4 Black and White Photographs, 4 Diagrams, 11 Graphs

Beat interference suppression techniques by means of transmission diversity and adaptive equalization.

Autor: Kubo, Hiroshi, Okazaki, Akihiro, Tanada, Kazuo, Murakami, Keishi

Publikováno v: Electronics & Communications in Japan, Part 1: Communications; Jun2004, Vol. 87 Issue 6, p12-21, 10p

A receiver with iterative soft decision and forward error correction.

Autor: Nagayasu, Takayuki, Kubo, Hiroshi, Murakami, Keishi, Fujino, Tadashi, Morinaga, Norihiko

Publikováno v: Electronics & Communications in Japan, Part 1: Communications; Sep2000, Vol. 83 Issue 9, p76-85, 10p