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CDMA network

CDMA networks use code division to separate the signals from all users. Since in optical domain, it is not possible to have signals with negative value (intensity is a non-negative entity), the code cannot have zero crosscorrelation. Consequently, the optical CDMA systems use psuedo-orthogonal codes known as optical orthogonal codes (OOC).



 

Dr.Yatindra Nath Singh
2002-05-23