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Analysis of Throughput and Delay in a Spectrally Phase-Encoded Optical CDMA Packet Network

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3 Author(s)
Sina Khaleghi ; Optical Networks Research Laboratory (ONRLab), Advanced Communications Research Institute (ACRI), Electrical Engineering Department, Sharif University of Technology, Azadi St., Tehran, Iran. Email: si ; Salman Khaleghi ; Kambiz Jamshidi

In this paper, analysis of the throughput and delay in a spectrally phase-encoded optical code-division multiple-access (OCDMA) system, using a simplified slotted packet network protocol is conducted. Steady-state throughput and average packet delay of the system are derived. In evaluating the performance of the system, only multiple access interference is considered and other sources of noise are neglected. Comparing different systems with the fixed bit rate and chip duration leads us to conclude that increasing the code length will improve the performance of networks with small average activity; but in highly active networks, decreasing the code length will result in a significant improvement in the throughput and average packet delay.

Published in:

2007 IFIP International Conference on Wireless and Optical Communications Networks

Date of Conference:

2-4 July 2007