DOCSIS 4.0: A Key Ingredient of the 2030's Broadband Pie (2021)

By Zoran Maricevic, Ph.D., Tom Cloonan, Ph.D. & John Ulm, CommScope; James Andis, HFC Technologies

This paper provides a case study of possible network evolution steps on an actual node; and then looks at the Total Cost of Ownership (TCO) for each option. This will show others the same steps that nbn went through in their decision-making process. The three approaches considered are:

  • Full FTTP overbuild and offload.
  • DOCSIS 4.0 Extended Spectrum DOCSIS (ESD) using DAA
  • A hybrid approach - where deep-fibre DOCSIS 4.0 DAA deployments are coupled with selective/targeted FTTP offloads – to provide an optimum outcome that minimizes upfront CAPEX and maximizes the longevity of operator Investments in the DOCSIS part of network

The paper also considers network power consumption, material and truck roll costs for actives, passives, fiber and coax maintenance, as well as for the drop line maintenance and replacement, and give overview on how to make estimates for the costs over an extended period of performance.

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