SUPPRESSING MULTIPLE USER INTERFERENCE (MUI) USING ZERO CROSS-CORRELATION IN OCDMA

• Main Author: MOHAMAD BADROOL SYAHRIL, HOSSEN
• Format: Final Year Project Report
• Language: English; English
• Published: Universiti Malaysia Sarawak, (UNIMAS) 2019
• Subjects: TK Electrical engineering. Electronics Nuclear engineering
• Online Access: http://ir.unimas.my/id/eprint/34480/1/SUPPRESSING%20MULTIPLE%20USER%20INTERFERENCE%20%28MUI%2924pgs.pdf; http://ir.unimas.my/id/eprint/34480/4/M%20Badrool%20Syahril.pdf; http://ir.unimas.my/id/eprint/34480/

Optical Code Division Multiple Access OCDMA is being utilized for it huge data transfer capacity and low attenuation which allow superb video transmission in LAN. OCDMA made a great deal of consideration due it propelled type of multiplexing innovation for the most recent optical systems. OCDMA let multiple users to transmit at a solitary frequency however, when the quantity of users rises, the burst traffic entry approach pattern initiates high Multiple User interference MUI among users, along these lines corrupting system execution. To fix this issue, Zero Cross-Correlation (ZCC) was introduced where it is a technique with a simple code assembly that accommodates high cardinality. The paper will focus on this code where it provide solution to the issues in OCDMA. The related variable were estimated and the simulation results were being assessed and analysed correspondingly as a designated conclusion to the project. The proposed code reveals properties of zero cross-correlation and supports a large number of users. Simulation results reveal that the OCDMA system based on the proposed ZCC code accommodates maximum number of simultaneous users with good data rate transmission, low Bit Error Rate (BER) and good travel distance with very minimal to none signal quality degradation. The code perform very good at BER 10-9 in terms of number of simultaneous users.