![]() Pick two maximum length sequences of the same length 2 n − 1 such that their absolute cross-correlation is less than or equal to 2 ( n+2)/2, where n is the size of the linear-feedback shift register used to generate the maximum length sequence (Gold '67). A set of Gold code sequences consists of 2 n + 1 sequences each one with a period of 2 n − 1.Ī set of Gold codes can be generated with the following steps. ![]() Gold codes have bounded small cross-correlations within a set, which is useful when multiple devices are broadcasting in the same frequency range. For the authentication codes used to command a launch of nuclear weapons, see Gold Codes.Ī Gold code, also known as Gold sequence, is a type of binary sequence, used in telecommunication ( CDMA) and satellite navigation ( GPS). ![]() This article is about binary codes used in telecommunications ( CDMA) and GPS. ![]()
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