Performance enhancement of OCDMA system based on sequential algorithm (SeQ) Code

C. A. S. Fazlina, C. B. M. Rashidi, S. N. Azemi, S. A. Aljunid, S. Yaakob

Abstract


This paper presents a new class of Sequential Algorithm (SeQ) code for Optical Code Division Multiple Access (OCDMA) system. The SeQ code has advantages of various cross – correlation property at any given number of users, and code weights. The result shown, at error floor BER = 10-09, the SeQ code capability to support 190 numbers of simultaneous users was higher than those achieved by FCC (W=4), DCS (W=4) and MFH (W=4). SeQ code excellently support 190 number of users due to due to the arrangement of code algorithm and flexibility cross-correlation (0 and 1) role. In addition, SeQ code capable to support up to 70 km for bit rate 155 Mbps in comparison 622 Mbps, 1 Gbps, and 2 Gbps be able to support 40km, 30km and 20km respectively. Hence, we can ascertain that PIIN and MAI are successfully eliminated for SAC-OCDMA coding system.

Keywords


SeQ code, Optical Code Division Multiple Access (OCDMA), Phase Induced Intensity Noise (PIIN), Multiple Access Interference (MAI), Bit Error Rate (BER)

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DOI: http://doi.org/10.11591/ijeecs.v13.i2.pp831-836

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