Innovative combinational closed-loop and open-loop satellite user terminal power control system
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United States of America Patent
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Oct 6, 2009
Grant Date -
Sep 14, 2006
app pub date -
Mar 10, 2005
filing date -
Mar 10, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Devices and methods are disclosed for reducing power control cushion of a user terminal configured to communicate with a satellite and a gateway station. The present invention provides a power control algorithm implemented in a user terminal that is designed to operate in a satellite communication system. The power control algorithm can recursively calculate a returnlink power to reduce a power control cushion so that an extra link margin is available to the satellite communication system. The present invention also provides a source coding technique that provides an accurate feedback signal for the user terminal. The average metric of input signal frames is coded in a sequence of bits that are carried by contiguous output signal frames.
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