Performance study of optical parallel interference cancellation with varying threshold values

N., Elfadel and H., Yousif and A., Maisara and E.I., Babekir and A., Mohammed and A.A., Aziz and N., Saad (2007) Performance study of optical parallel interference cancellation with varying threshold values. In: 6th IASTED International Conference on Communications, Internet, and Information Technology, CIIT 2007, 2 July 2007 through 4 July 2007, Banff, AB.

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Optical Code Division Multiple Access (OCDMA) has recently been proposed as an alternative to frequency and time based multiple access methods for the next generation high-speed optical fiber networks. This is because such system offers a large bandwidth. Based on the vast amount of bandwidth, OCDMA system has received much attention in fiber optic Local Area Network where the traffic is typically bursty. However, Conventional OCDMA system is known to be severely influenced by the Multiple Access Interference (MAI) caused by other simultaneous users in the system. In addition, dynamic threshold in the conventional OCDMA is difficult to achieve. To overcome these problems, we study Optical Parallel Interference Cancellation (OPIC) particularly for the lowest threshold value in order to obtain a better performance in OCDMA.The results are compared to the other threshold values and also to the conventional OCDMA system using simulation software. The results reveal that the OPIC system is effective when we set the threshold of the desired user to the lowest value, i.e. Th=1. Furthermore, a significant improvement in the throughput is achieved when using the minimum threshold value.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:Bandwidth; Fiber optics; Local area networks; Multiple access interference; Optical fibers; Dynamic threshold; Optical Code Division Multiple Access; Optical fiber networks; Optical Parallel Interference Cancellation; Code division multiple access
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments / MOR / COE:Departments > Electrical & Electronic Engineering
ID Code:430
Deposited By: Dr Mohamad Naufal Mohamad Saad
Deposited On:09 Mar 2010 01:59
Last Modified:19 Jan 2017 08:27

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