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Communication Dans Un Congrès Année : 2012

Upstream OCDMA-TDM passive optical network using a novel sourceless ONU

Résumé

OCDMA over conventional TDM PON leads to increase access network capacity by multiplexing TDM signals with OCDMA codes. We propose a novel sourceless ONU for OCDMA-TDM PON within a centralized light source placed at OLT. Sparser and longer extended quadratic congruence (EQC) codes with good correlation properties are used as optical CDMA en/decoders. However, multiple access interference (MAI) can limit the number of simultaneous users in this system. We analyze BER performance of sourceless OCDMA-TDM PON using four different EQC codes. Finally, network scalability and throughput performance of the proposed scheme are analyzed. These analyses over OCDMA-TDM PON show an upgrade of bandwidth and network capacity with an advantage of sourceless ONUs compared to the conventional TDM PON.
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Dates et versions

hal-00756646 , version 1 (23-11-2012)

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Citer

Mohammad Gharaei, Catherine Lepers, Philippe Gallion. Upstream OCDMA-TDM passive optical network using a novel sourceless ONU. NOC '12/OC&I '12 : 17th European Conference on Networks and Optical Communications/7th Conference on Optical Cabling and Infrastructure, Jun 2012, Vilanova I La Geltru, Spain. pp.1-5, ⟨10.1109/NOC.2012.6249912⟩. ⟨hal-00756646⟩
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