Satellite system that produces optical inter-satellite link (ISL) beam based on RF feeder uplink beam
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United States of America Patent
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Mar 20, 2018
Issued Date -
N/A
app pub date -
Mar 16, 2017
filing date -
Jul 13, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
Described herein is a space based subsystem of a satellite, and methods for use therewith, for receiving an RF uplink feeder beam and in dependence thereon producing one or more optical ISL beams for transmission to one or more other satellites. The subsystem can include an antenna to receive an RF feeder uplink beam and produce an RF signal therefrom. The subsystem can also include, inter alia, RF components, local oscillator(s), lasers, EOMs, a WDM multiplexer, an optical amplifier and transmitter optics. Such components can be used to convert the RF signal to one or more ISL beams for transmission to one or more other satellites. Where RF frequencies of optical data signals output by the EOMs are within the same RF frequency range within which the other satellite(s) transmit RF service downlink beams, there is an elimination of any need for the other satellite(s) to perform frequency conversions.
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