Considerations on the bit error probability of optical CDMA systems

Stefano Galli, Ronald Menendez, Russel Fischer, Robert J. Runser, Varghese Baby, Camille Bres, Ivan Glesk, Paul Richard Prucnal

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

The most common metric for evaluating the performance of an optical communications system is the symbol error probability (SEP) versus the received optical power. In circuit-like optical systems employing binary transmission such as WDM, this SEP takes the form of the Bit Error Rate (BER) which is, in general, relatively constant. However, when considering an asynchronous multiple access Optical CDMA (OCDMA) system, the BER is not constant. Since users may enter/exit the network without coordination, the instantaneous SEP of every user can be affected by the transmissions of other users because of the non-zero cross-correlation of optical spreading codes. Therefore, the SEP of an asynchronous OCDMA system becomes time-varying and statistical in nature. In this paper, we determine how to assess the performance of such a system in terms of Average SEP (ASEP) and outage probability. When the analytical description of a problem is not available and the performance can be assessed only via simulations, we also give guidelines on how to calculate the required number of trials necessary to estimate the ASEP with a certain confidence interval.

Original languageEnglish (US)
Title of host publicationProceedings of the Third IASTED International Conference on Communications, Internet, and Information Technology
EditorsM.H. Hamza
Pages519-524
Number of pages6
StatePublished - Dec 1 2004
EventProceedings of the Third IASTED International Conference on Communications, Internet, and Information Technology - St. Thomas, Virgin Islands, United States
Duration: Nov 22 2004Nov 24 2004

Publication series

NameProceedings of the Third IASTED International Conference on Communications, Internet, and Information Technology

Other

OtherProceedings of the Third IASTED International Conference on Communications, Internet, and Information Technology
CountryUnited States
CitySt. Thomas, Virgin Islands
Period11/22/0411/24/04

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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  • Cite this

    Galli, S., Menendez, R., Fischer, R., Runser, R. J., Baby, V., Bres, C., Glesk, I., & Prucnal, P. R. (2004). Considerations on the bit error probability of optical CDMA systems. In M. H. Hamza (Ed.), Proceedings of the Third IASTED International Conference on Communications, Internet, and Information Technology (pp. 519-524). [433-080] (Proceedings of the Third IASTED International Conference on Communications, Internet, and Information Technology).