Abstract
A novel spreading code set based on the prime code (PC) families, referred
to “Enhanced-Modified PC,” is proposed for incoherent
synchronous optical code-division multiple-access (OCDMA) network. The new
code set is employed to Pulse-Position Modulation-OCDMA scheme and the
system throughput is also analyzed; the overall system performance in terms
of bit-error rate is then evaluated and compared with existing PC families
in three types of receiver architectures: 1) basic functionalities; 2) with
an multiple-user interference (MUI) cancelation; and 3) with the MUI
canceler coupled with Manchester encoding. The results indicate that the
proposed code set is promising to enhance the network capacity.
© 2009 IEEE
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