Abstract
In this paper, we propose an alleviation interference scheme (AIS) for spectral amplitude coding (SAC) – optical code division multiple access (OCDMA) coding system approaches. The AIS SAC-OCDMA systems is demonstrated by utilizing the new flexible cross correlation (FCC) code. The FCC code has advantages, such as flexibility in-phase cross-correlation at any given number of users and weights, as well as effectively reduces the impacts of phase-induced intensity noise (PIIN) and has the multiple-access interference (MAI) cancelation property. The results indicated good performance whereas the FCC (W=4, K=150) AIS SAC-OCDMA coding system offers 66%, 172%, 650% and 900% percentage of cardinality enrichments as a contrast to DCS (W=4, K=90), MDW (W=4, K=55), MFH (W=4, K=20) and Hadamard (W=8, K=15) codes, respectively. Finally, the FCC AIS SAC-OCDMA coding system has low effective receive power Psr=−21dBm which is expected to be more significant for future SAC-OCDMA coding systems without requiring any amplification at the receiving plant.
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