FIELD: communication equipment.
SUBSTANCE: invention can be used in satellite communication systems. For this purpose, broadband satellite communication systems are disclosed, in which optical feeder communication lines are used. Disclosed are various optical modulation schemes which provide improved throughput for broadband satellite systems with a fixed narrow beam, beam formation on board and ground beam formation.
EFFECT: technical result consists in improvement of quality of communication due to increased carrying capacity of communication channels.
249 cl, 26 dwg
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