Yasuo Hirata*, Gunkichi Satoh, Fumio Takahata, Mitsuo Nohara, Kazunori Inagaki, Shizuo Endo

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A description is given of experimental Ku-band small-dish earth stations that provide international satellite communications by a direct access to satellites. Field trials have been conducted via INTELSAT-V Pacific ocean region satellite to establish the system design, including transmission parameters, both technically and operationally. The main features of the earth stations are the adoption of an offset Gregorian antenna with excellent sidelobe characteristics, a high-power amplifier with linearizer to improve power efficiency, and forward error correction with variable coding rate, which provides efficient use of satellite power. The bit-error-performance results show that the performance objectives specified in CCITT and CCIR recommendations for ISDN can be achieved.

Original languageEnglish
Title of host publicationConference Record - International Conference on Communications
Number of pages7
Publication statusPublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Media Technology


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