Method and system for adapting an effective spreading sequence in a communication system using direct sequence spreading
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United States of America Patent
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Sep 13, 2011
Grant Date -
Jul 1, 2010
app pub date -
Mar 11, 2010
filing date -
Jun 21, 2005
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Abstract
A method and system for adapting an effective spreading sequence in a wire-line or a wireless communication system using direct sequence spreading system is described. A station of the communication system determines a state of a communication channel, represented by, e.g., an impulse response, a step response, or any other characteristic known to one skilled in the art. The station determines the channel state by measurements of a received signal or by receiving a feedback signal comprising an information enabling the station to determine the plurality of linearly related phases The station then determines a plurality of linearly related phases in accordance with the state of the communication channel, and then applies at least one of the plurality of linearly related phases to at least one sample of the effective spreading sequence.
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