FIELD: satellite communication.
SUBSTANCE: said technical result is achieved by the fact that satellite communication system (100) includes communication satellite (102) moving in orbit around the Earth, user terminal (106) having radio communication with communication satellite (102) through user communication line (110), relay communication device (118) operating at an altitude of approximately 65,000 feet (20 km) and having optical communication with communication satellite (102) through service link (120), and gateway station (112) having radio communication with relay communication device (118) through gateway communication line (114).
EFFECT: technical result is higher efficiency of using radio-frequency spectrum.
16 cl, 8 dwg
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