A novel reconfigurable ring architecture of multiple secure private networks over EPON using OCDMA code-drop units

Mohammad Gharaei; Catherine Lepers; Ihsan Fsaifes; Philippe Gallion

doi:10.1117/12.804545

12 August 2008 A novel reconfigurable ring architecture of multiple secure private networks over EPON using OCDMA code-drop units

Mohammad Gharaei, Catherine Lepers, Ihsan Fsaifes, Philippe Gallion

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Proceedings Volume 7099, Photonics North 2008; 70991D (2008) https://doi.org/10.1117/12.804545
Event: Photonics North 2008, 2008, Montréal, Canada

Abstract

A new architecture of multiple private networks independent of optical line terminal (OLT) over Ethernet passive optical network (EPON) using ring topology is proposed. This architecture integrates the multiple private networks (PNs) with downstream/upstream EPON. Self determining private communications between optical network units (ONUs) are established using code-drop units. The use of optical code division multiple access (OCDMA) technique results in secure and reconfigurable PNs in the ring. Each ONU is assigned an appropriate codeword for private network communication and also the standard equipments for the up/downstream standard EPON communication. As an example, by using quadratic congruent (QC) codes with (p=5) leads to four optical private networks in the ring. To demonstrate the integration feasibility of multiple 622 Mb/s PNs over 1.25 Gb/s EPON using QC code-drop units, we analyze the network architecture by evaluating power budget, network dimensioning and BER performances.

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Mohammad Gharaei, Catherine Lepers, Ihsan Fsaifes, and Philippe Gallion "A novel reconfigurable ring architecture of multiple secure private networks over EPON using OCDMA code-drop units", Proc. SPIE 7099, Photonics North 2008, 70991D (12 August 2008); https://doi.org/10.1117/12.804545

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KEYWORDS

Network architectures

Fiber Bragg gratings

Signal attenuation

Optical networks

Computer programming

Passive optical networks

Optical communications

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