Methods of ground based beamforming and on-board frequency translation and related systems
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United States of America Patent
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Apr 27, 2010
Grant Date -
Dec 29, 2005
app pub date -
Jun 24, 2005
filing date -
Jun 25, 2004
priority date (Note) -
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Abstract
Methods are provided to operate a communications system including a satellite and a satellite gateway. In particular, a feeder link may be provided between the satellite and the satellite gateway over a feeder link frequency band for communication of information between the satellite gateway and the satellite. A service link may be provided between the satellite and at least one radioterminal in a coverage area of the satellite over a service link frequency band. Moreover, the feeder link and service link frequency bands may be different. In addition, a frequency segment of the feeder link may be linearly translated from the feeder link frequency band to the service link frequency band to provide a frequency segment of the service link. Related satellites are also discussed.
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