http://www.wirelesscommunication.nl/reference/chaptr05/cdma/codes/gold.htm http://www.wirelesscommunication.nl/reference/chaptr05/cdma/... is relevant. How the

http://www.wirelesscommunication.nl/reference/chaptr05/cdma/codes/gold.htm http://www.wirelesscommunication.nl/reference/chaptr05/cdma/... is relevant. How the noise floor comes into it I'm less sure, and am not about to wade through information theory textbooks on my lunchbreak.