Correlation in WCDMA

How Correlation works in WCDMA ?
  • Correlation measures similarity between any two arbitrary signals.
  • Identical and Orthogonal signals:
Correlation is used to measure similarity of any two arbitrary signals. It is computed by multiplying the two signals and then summing (integrating) the result over a defined time windows. The two signals of figure (a) are identical and therefore their correlation is 1 or 100 percent. In figure (b) , however, the two signals are uncorrelated, and therefore knowing one of them does not provide any information on the other.
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