Abstract
Code-division multiplexing (CDM) systems using a novel optical orthogonal code (OOC) are proposed for multichannel variable-bit-rate (VBR) video transmission over an optical fiber channel. Compared with a conventional OOC, the proposed code fully guarantees the peaks of its cross-correlation functions and the sidelobes of its autocorrelation function to equal 1 which is the minimum correlation constraint for incoherent optical signal processing, and therefore, high-performance VBR video transmission can be realized. We also give an approach for designing novel OOCs and present the principle of VBR video transmission systems using optical fiber CDM. To verify the correlation characteristics of the proposed OOC, we also demonstrate an experiment on the two-channel optical fiber CDM system. It is shown that using this novel type of OOCs one can implement a more cost-effective CDM system for VBR video transmission than the use of conventional OOCs.
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