Transponded Anti-Jam Satellite Communications
First Claim
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1. An apparatus comprising:
- a receiver system in a satellite that receives, via multiple uplink beams and polarizations, uplink signals comprising a range of frequencies that carry information in a number of channels comprising a number of frequencies, such that the number of frequencies for a channel in the number of channels changes within the range of frequencies over time;
a transmitter system in the satellite that transmits, via multiple downlink beams and polarizations, the uplink signals as downlink signals, the uplink signals being unprocessed to identify the number of frequencies for the channel in the number of channels used to carry the information by the satellite; and
a terrestrial portion comprising;
multiple gateways, a control system, and a network, that minimize interference in a frequency hopping system within a coverage area of the satellite via the control system synchronizing reception of all uplink signals at the satellite via synchronizing transmissions of uplink signals from the multiple gateways.
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Abstract
A method and apparatus for processing a signal. The signal is received in a receiver system in a satellite. The signal has a range of frequencies in which information is carried in a number of channels having a number of frequencies within the range of frequencies. The number of frequencies for a channel in the number of channels changes within the range of frequencies over time. The signal is transmitted using a transmitter system in the satellite. The signal is unprocessed to identify the number of frequencies for the channel used to carry the information by the satellite.
22 Citations
20 Claims
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1. An apparatus comprising:
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a receiver system in a satellite that receives, via multiple uplink beams and polarizations, uplink signals comprising a range of frequencies that carry information in a number of channels comprising a number of frequencies, such that the number of frequencies for a channel in the number of channels changes within the range of frequencies over time; a transmitter system in the satellite that transmits, via multiple downlink beams and polarizations, the uplink signals as downlink signals, the uplink signals being unprocessed to identify the number of frequencies for the channel in the number of channels used to carry the information by the satellite; and a terrestrial portion comprising;
multiple gateways, a control system, and a network, that minimize interference in a frequency hopping system within a coverage area of the satellite via the control system synchronizing reception of all uplink signals at the satellite via synchronizing transmissions of uplink signals from the multiple gateways. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for processing uplink signals, the method comprising:
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receiving, via multiple uplink beams and polarizations, the uplink signals in a receiver system in a satellite, such that the uplink signals comprise a range of frequencies in which information is carried in a number of channels having a number of frequencies within the range of frequencies, wherein the number of frequencies for a channel in the number of channels changes within the range of frequencies over time; transmitting the uplink signals as downlink signals, via multiple downlink beams and polarizations using a transmitter system in the satellite, the uplink signals being unprocessed to identify the number of frequencies for the channel in the number of channels used to carry the information by the satellite; and synchronizing reception, and minimizing interference in a frequency hopping system within a coverage area of the satellite, of all uplink signals received by the satellite, via a control system synchronizing transmissions of uplink signals from multiple gateways in a terrestrial portion of an apparatus, such that the terrestrial portion comprises the control system, the multiple gateways, and a network. - View Dependent Claims (15, 16, 17, 18, 19)
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20. (canceled)
Specification