TRANSMISSION AND RECEPTION SYSTEM AND METHOD BASED ON CODE DIVISION
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United States of America Patent
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Issued Date -
Feb 12, 2009
app pub date -
Feb 23, 2006
filing date -
Feb 23, 2005
priority date (Note) -
Abandoned
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Abstract
The code division (CDMA) transmission method includes the step of multiplying a signal (a) to be transmitted, represented by a vector, by a matrix (S), whose result is represented by a vector (x), said method being characterized in that: • taking a basic sequence with substantially-ideal periodic autocorrelation; • constructing said matrix (S) by a cyclical translation of said basic sequence, in such a way that the columns of said matrix (S) are the cyclical shifts of the basic sequence; • adding a cyclic prefix to said resulting vector (x).
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