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Scalable Passive Optical Network Architecture for Reliable Service Delivery

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4 Author(s)
Jiajia Chen ; Sch. of ICT, R. Inst. of Technol. KTH, Kista, Sweden ; Wosinska, L. ; Chughtai, M.N. ; Forzati, M.

A scalable and reliable architecture for both a wavelength division multiplexing passive optical network and a hybrid wavelength and time division multiplexing passive optical network with self-healing capability is presented and evaluated. Our protection scheme is compatible with a cascaded arrayed waveguide grating that can accommodate an ultra-large number of end users. A simple interconnection pattern between two adjacent optical network units (ONUs) is applied in order to provide protection for distributed fibers between a remote node and the ONUs. Therefore, the investment cost on a per-user basis can be significantly reduced. Meanwhile, the performance evaluation shows that our approach can achieve high connection availability while maintaining the support of long reach and high splitting ratio.

Published in:

Optical Communications and Networking, IEEE/OSA Journal of  (Volume:3 ,  Issue: 9 )