Abstract
The goal of this paper is to identify all the essential costs of building broadband access networks, and then to comparise different technologies in various scenarios. Different market segments (Scenarios) have different geographical characteristics and will require different amounts of access bandwidth. These different market segments will be served by alternative access technologies that minimise overall costs. In order to do this, we have developed a model framework and an evaluation tool. To measure the attractiveness of several broadband access technologies, the proposed tool compares the costs, revenues, NPV, IRR, payback periods etc for 3 scenarios. The paper presents a techno‐economic analysis of 8 broadband technologies for access networks: digital subscriber line (DSL), hybrid fibre coax (HFC), power line communications (PLC), fibre to the home (FTTH), fibre to the curb (FTTC), fibre to the cabinet (FTTCab), and wireless alternatives such as WiMAX and satellite.
Highlights
Access to ICT as a development tool for society is recognised as a political, economic and social issue of high importance [1]
Different market segments (Scenarios) have different geographical characteristics and will require different amounts of access bandwidth. These different market segments will be served by alternative access technologies that minimise overall costs
At the CO node, our model framework consider only the devices that support the connection to the access network side, and do not include the equipment that support the link to the distribution/regional network
Summary
Access to ICT as a development tool for society is recognised as a political, economic and social issue of high importance [1]. In most rural areas low population density and high deployment costs discourage private investments, creating a negative feedback of limited capacity, high prices, and low service demand. The methodology and tool presented in this paper has been developed to evaluate the most relevant broadband access technologies. These solutions include xDSL, HFC, PLC, FTTH, FTTC, FTTCab, and wireless alternatives such as WiMAX and satellite. This paper identify all the essential costs of building access networks, and perform a detailed comparison of the different broadband access technologies in several scenarios. Different market segments (Scenarios) have different geographical characteristics and will require different amounts of access bandwidth These different market segments will be served by alternative access technologies that minimise overall costs. To measure the attractiveness of the several broadband access technologies, the proposal tool compares the costs, revenues, NPV, IRR, payback periods etc for the 3 scenarios
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