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Novel hybrid WDM/TDM PON architectures to manage flexibility in optical access networks

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Abstract

Different hybrid WDM/TDM PON architectures are compared in terms of flexibility, simplicity (affecting the cost), insertion loss (affecting the reach) and security. Special attention is given to the flexibility aspect in next generation optical access networks by designing different architectures with a different degree of flexibility, which are able to cope with different ranges of dynamic bandwidth allocation (DBA) possibilities. This paper assesses the degree of architectural flexibility needed to deal with some important flexibility advantages. It is shown that mostly a partially flexible architecture fulfils the needs. The architectures are then further evaluated from a cost and reach perspective. In this way, we provide a complete comparison considering all the key aspects of access network design. It is shown that a hybrid WDM/TDM PON with a partially flexible architecture in the first remote node can be an interesting candidate for next-generation optical access networks.

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Acknowledgements

The research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under grant agreements No. 212352 (ICT-ALPHA) and No. 249025 (ICT-OASE).

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Authors and Affiliations

  1. Department of Information Technology, Ghent University—iMinds, Gaston Crommenlaan 8, box 201, 9050, Gent, Belgium

    Bart Lannoo, Goutam Das, Abhishek Dixit, Didier Colle, Mario Pickavet & Piet Demeester

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  1. Bart Lannoo
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  2. Goutam Das
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  3. Abhishek Dixit
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  4. Didier Colle
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  5. Mario Pickavet
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  6. Piet Demeester
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Correspondence to Bart Lannoo.

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Lannoo, B., Das, G., Dixit, A. et al. Novel hybrid WDM/TDM PON architectures to manage flexibility in optical access networks. Telecommun Syst 54, 147–165 (2013). https://doi.org/10.1007/s11235-013-9723-0

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