STEM applications and examples

Next generation access costing ‘without a map’

An efficient and credible methodology for evaluating the cost of upgrading a copper-based local-access infrastructure to provide high-speed broadband (or so-called next generation) access (NGA)

Our example model includes scenarios that compare the headline revenues and capex of deploying VDSL connectivity with feeder fibre or a complete GPON solution for FTTH against a baseline greenfield or current ADSL implementation.

We characterise a generic city with a division of households between four separate density classes (households per sq km). A representative street pattern is used to derive general rules to link coverage of households with distance covered for buildings passed and households connected, with awareness of how multiple dwellings and tower blocks distort the relationship between buildings passed and potential households connected.

Figure 1: Live snapshot from the model

Implied Logic can work with you to customise this methodology to your individual market and current network position in order to fast track a credible financial assessment of your strategic options. Please access the full model and download a detailed description of the methodology to review offline and share with interested colleagues.

Online model

A more comprehensive web interface exposes a broad selection of inputs and outputs across multiple tabs. A detailed description of the methodology is available to review offline and share with interested colleagues.

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About the author

Frank Haupt has been actively using STEM for over ten years in various international projects, focusing particularly on service costing. Frank has an intimate knowledge of network architecture, design and technology, combined with hands-on experience of installation, configuration, and training in operational environments.

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