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4 November 1996 Broadband access network reference models: a different prospective
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Proceedings Volume 2917, Broadband Access Systems; (1996)
Event: Photonics East '96, 1996, Boston, MA, United States
The current view of the fiber-based broadband access network is that it could basically be modeled into two target networks represented by the following architectures, the fiber to the curb, building, home (FTTC/B/H) -- also termed switched digital video (SDV) -- architecture, and the hybrid fiber coax (HFC) architecture. Both architectures support on-demand digital services. One way to distinguish between these two architectures is based on the digital modulation scheme. The SDV/FTTC architecture utilizes baseband digital modulation both in the fiber distribution and the point-to- point drop. Whereas, the HFC architecture is pass-band and utilizes digitally modulated (as well as analog modulated) subcarriers both on the fiber and the coax for distribution to customers. From a network modeling point of view, the distinction between these two architectures is fuzzy. A hybrid between the above two architectures represents other architectural advantages especially bandwidth utilization in the upstream direction. This paper describes this hybrid architecture and provides an evaluation of the different access network configuration scenarios based on an expanded version of the DAVIC reference models.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mohamed S. Mostafa "Broadband access network reference models: a different prospective", Proc. SPIE 2917, Broadband Access Systems, (4 November 1996);


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