Patent
Satellite Communications Data Processing
Mark Andrew Hoffmeyer,Kristina Miller,Irwin Balter,Tae J. Roh +3 more
- 01 Nov 2012
15
TL;DR: In this article, an apparatus comprising a backplane and a number of transponder slices connected to the backplane to form a Transponder is described, consisting of an analog front end configured to receive an analog input comprising a first plurality of bandwidths and a second plurality of interface frequencies, analog to digital converters configured to convert the analog input to digital signals, a digital channelizer configured to process the digital signals to generate a plurality of frequency slices and a digital combiner configured to assemble the plurality of slices to form output sub-bands.
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Abstract: An apparatus comprising a backplane and a number of transponder slices connected to the backplane to form a transponder. The number of transponder slices comprise an analog front end configured to receive an analog input comprising a first plurality of bandwidths and a first plurality of interface frequencies, analog to digital converters configured to convert the analog input to digital signals, a digital channelizer configured to process the digital signals to generate a plurality of frequency slices, a digital combiner configured to assemble the plurality of frequency slices to form output sub-bands, a digital switch configured to route the plurality of frequency slices from the digital channelizer to the digital combiner, digital to analog converters configured to convert the output sub-bands to an analog output, and an analog back end configured to transmit the analog output comprising a second plurality of bandwidths and a second plurality of interface frequencies.
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Citations
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Patent
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TL;DR: In this article, ground-based subsystems and related methods for use in transmitting an optical feeder uplink beamforming beamforming to a satellite that is configured to receive the uplink beacon and in dependence thereon produce and transmit a plurality of RF service downlink beams within a specified RF frequency range to service terminals.
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TL;DR: In this paper, ground-based subsystems, and related methods, for use in transmitting an optical feeder uplink beam to a satellite that is configured to receive the uplink beacon and in dependence thereon produce and transmit a plurality of RF service downlink beams within a specified RF frequency range to service terminals.
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- 06 Sep 2018
TL;DR: In this article, the authors proposed a method for hosted payload operations which comprises transmitting, by a hosted payload (HoP) operation center (HOC), encrypted hosted commands to a host spacecraft operations center (SOC).
6
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