A scalable CWDM/TDM-PON network with future-proof elastic bandwidth

  • Authors:
  • Stamatios V. Kartalopoulos

  • Affiliations:
  • Williams Professor in Telecommunications Networking, ECE Department, The University of Oklahoma, Tulsa, OK

  • Venue:
  • ICCOM'06 Proceedings of the 10th WSEAS international conference on Communications
  • Year:
  • 2006

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Abstract

Among the passive optical network (PON) architectures two have prevailed: one is based on time division multiplexing (TDM) over a single wavelength channel and on a comprehensive timing protocol, and the other on coarse wavelength division multiplexing (CWDM). However, both proposals have orthogonal advantages and disadvantages. In this paper we describe a hierarchical CWDM/TDM passive optical network (PON). We demonstrate that the access network exhibits superior scalability, payload type transparency, and bandwidth elasticity allowing for bandwidth on demand, versatility, resiliency, provisionability, cost efficiency, protection and future-proofing features. We also demonstrate that this network can deliver to more than 16,000 end-users using simple and existing optical technology.