The Gold code reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Gold code

A Gold code is a set of binary sequences, used in telecommunication.

Pick two n-sequences of the same length n, such that their cross-correlation takes just two values. The set of the n exclusive-ors of the two sequences in their various phases (i.e. translated into all relative positions), together with the two n-sequences themselves, is a set of Gold codes.

The exclusive-or of two Gold codes is another Gold code in some phase.

See also: Kasami code.

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