Modelo de diseño de UDWDM PON basado en agrupación asimétrica, capacidad de canal y restricciones basadas en BER (UDWDM-PON design model based on asymmetrical clustering, channel capacity and BER restrictions)

Germán Arévalo (garevalo@ups.edu.ec)1, Roberto Hincapié (roberto.hincapie@upb.edu.co)2, Javier Sierra (javier.sierra@cecar.edu.co)3


1Universidad Politécnica Salesiana
2Universidad Pontificia Bolivariana
3Corporación Universitaria del Caribe

This paper appears in: Revista IEEE América Latina

Publication Date: June 2016
Volume: 14,   Issue: 6 
ISSN: 1548-0992


Abstract:
Considering the fact that the Euclidian Minimum Spanning Tree (EMST) is a subset of the correspondent Delaunay's triangulation, this paper presents a novel algorithm for designing a UDWDM PON based on the selection of an optimal tree-topology from a Voronoy-Delaunay tessellation in the users' region. Additionally, we employ not only restrictions related with the fiber length and equipment capacity but also restrictions related with the physical impairments in the optical fiber due to the UDWDM technique. For modeling the UDWDM-related physical restriction, we developed a mathematical expression for evaluating the BER-penalty as a function of the channels and links' aggregation. The results show that, due to the BER-penalty imposed by the UDWDM transmission, in this type of networks any optimization scheme must take into account the channels' aggregation in the optical links.

Index Terms:
Euclidian minimum spanning tree (EMST), ultra dense wavelength division multiplexing (UDWDM), passive optical network (PON), delaunay triangulation, optical distribution network (ODN), arrayed waveguide grating (AWG)   


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