Method for retransmitting a data sequence according to channel condition in a wireless communications network
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United States of America Patent
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May 15, 2012
Grant Date -
Jul 31, 2008
app pub date -
Oct 30, 2007
filing date -
Jan 26, 2007
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Abstract
Retransmitting a data sequence over a wireless network according to channel conditions proceeds by transmitting a first transmitting signal representing the data using a first set of beamforming weighting vectors generated according to a first channel condition. A request for re-transmitting the data sequence is received when the first transmitting signal suffers from unrecoverable errors. A re-transmission function is computed according to a second channel condition, and a second transmitting signal is transmitted as generated by using the re-transmission function that is created according to the second channel condition. The data sequence is demodulated and decoded using the first transmitting and the second transmitting signals.
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