An optimal cardinality of wavelength/time incoherent OCDMA system using 2-D hybrid FCC-MDW code

N. Din Keraf, S. Aljunid, A. R. Arief, M. Anuar, C. Rashidi, P. Ehkan, M. N. Nurol
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引用次数: 9

Abstract

A 2-Dimensional (2-D) Wavelength/Time (W/T) scheme is proposed for spectral amplitude coding OCDMA network system. The new hybrid codes are utilizing Flexible Cross Correlation (FCC) and Modified Double Weight (MDW) codes which both codes have good correlation properties and capable to suppress multiple access interference (MAI). From the numerical calculation, it has been shown that this new hybrid code effectively suppresses the phase Induced Intensity Noise (PIIN) and eliminates MAI. Furthermore, the cardinality of this proposed code accommodates 150% and 275% improvement compared to 2-D PD code and 2-D M-Matrices code respectively at the BER=10-9. As a result, the performance of the system can be improved as well as support much more simultaneous users compared to Perfect Difference (PD) and M-matrices codes.
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使用二维混合FCC-MDW码的波长/时间非相干OCDMA系统的最优基数
提出了一种用于频谱幅度编码OCDMA网络系统的二维波长/时间(W/T)方案。新的混合码采用柔性互相关(FCC)码和改进双权重(MDW)码,两者都具有良好的相关特性,能够抑制多址干扰(MAI)。数值计算表明,该混合码有效地抑制了相位诱导强度噪声(PIIN),消除了MAI。此外,在BER=10-9时,与二维PD码和二维m -矩阵码相比,该代码的基数分别提高了150%和275%。因此,与完全差分(PD)和m矩阵编码相比,系统的性能可以得到改善,并支持更多的同时用户。
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