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Communication Dans Un Congrès NEW2AN '09 : The 10th International Conference on Next Generation Wired/Wireless Advanced Networking Année : 2009

Teletraffic capacity performance of WDM/DS-OCDMA passive optical network

Résumé

We analyze teletraffic capacity performance of a WDM/DS-OCDMA Passive Optical Network. Hybrid WDM/DS-OCDMA PON is proposed to increase user capacity performance and to be a cost effective method per wavelength of a WDM PON. For each prime code used in this system, an appropriate simultaneous capacity threshold has been evaluated in a manner to ensure good transmission performance (BER~10− 9). Since this capacity threshold is inferior to the nominal resource capacity of the considered code, a soft blocking of the system has been determined even if resources in the system are still available. The teletraffic capacity of the WDM/DS-OCDMA system has been then analyzed under the maximum of soft blocking probability constraint for different prime codes. This value is dependent on the probability of channel activity factor. It is demonstrated that using extended quadratic congruent codes (EQC) with better correlation properties, causes the teletraffic capacity to be closer to the nominal teletraffic capacity.

Dates et versions

hal-00818191 , version 1 (26-04-2013)

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Citer

Mohammad Gharaei, Catherine Lepers, Olfa Affes, Philippe Gallion. Teletraffic capacity performance of WDM/DS-OCDMA passive optical network. NEW2AN '09 : The 10th International Conference on Next Generation Wired/Wireless Advanced Networking, Sep 2009, St. Petersburg, Russia. pp.132-142, ⟨10.1007/978-3-642-04190-7_13⟩. ⟨hal-00818191⟩
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