Systems and methods for satellite forward link transmit diversity using orthagonal space coding
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United States of America Patent
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Jul 12, 2011
Grant Date -
Aug 9, 2007
app pub date -
Jan 18, 2007
filing date -
Jan 20, 2006
priority date (Note) -
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Abstract
Methods of transmitting communications signals from a satellite to a wireless terminal include determining a location of the wireless terminal, selecting a plurality of antenna feed elements at the satellite in response to the determined location of the wireless terminal, block coding a plurality of symbols into a number of transmit streams equal to the number of selected antenna feed elements, and transmitting the transmit streams over the selected plurality of antenna feed elements. Block coding the plurality of symbols may include space-code, space-time and/or space-frequency encoding the plurality of symbols. Related satellites, satellite gateways and satellite communications systems are also disclosed.
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