Simulation realization of 2-D wavelength/time system utilizing MDW code for OCDMA system
Advanced Communication Engineering, Centre of Excellence, School of Computer and Communication Engineering, Universiti Malaysia Perlis, Kangar, 01000, Perlis, Malaysia.
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Published online: 22 November 2017
This paper presents a realization of Wavelength/Time (W/T) Two-Dimensional Modified Double Weight (2-D MDW) code for Optical Code Division Multiple Access (OCDMA) system based on Spectral Amplitude Coding (SAC) approach. The MDW code has the capability to suppress Phase-Induce Intensity Noise (PIIN) and minimizing the Multiple Access Interference (MAI) noises. At the permissible BER 10-9, the 2-D MDW (APD) had shown minimum effective received power (Psr) = -71 dBm that can be obtained at the receiver side as compared to 2-D MDW (PIN) only received -61 dBm. The results show that 2-D MDW (APD) has better performance in achieving same BER with longer optical fiber length and with less received power (Psr). Also, the BER from the result shows that MDW code has the capability to suppress PIIN ad MAI.
© The Authors, published by EDP Sciences, 2017
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