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Geometric versus geographic models for the estimation of an FTTH deployment

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Abstract

Optical access networks provide a future proof platform for a wide range of services, and today, several operators are deploying fibre to the home (FTTH) networks. Installing an FTTH infrastructure, however, involves very high investment cost. Therefore, a good estimation of the investment cost is important for building a successful business strategy and, consequently, to speed up the FTTH penetration. In this paper, for calculating the amount of cable and fibre in the outside plant together with the associated civil works, and the number of required network elements, two different approaches are investigated: (1) geometric modelling of the fibre plant based on approximate mathematical models and (2) geographic modelling of the fibre plant based on map-based geospatial data. The results obtained from these two approaches can then be used as input for preliminary investment cost calculations and/or techno-economic evaluations. Compared to more complex and accurate geographic modelling, we verify that especially with uneven population density and irregular street system, simple geometric models do not provide accurate results. However, if no geospatial data is available or a fast calculation is desired for a first estimation, geometric models definitely have their relevance. Based on the case studies presented in this paper, we propose some important guidelines to improve the accuracy of the geometric models by eliminating their main distortion factors.

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Acknowledgements

The authors would like to articulate special thanks to Péter Katzenberger (HSNLab) for the population density variance calculations and figures, created for his MSc Thesis, within the frame of the AccessPlan framework.

This work was partly supported by the Network of Excellence “Building the Future Optical Network in Europe” (BONE), funded by the European Commission through the 7th ICT-Framework Programme.

Part of the research presented in this paper was carried out in the frame of the NGAdesigner project, in cooperation with NETvisor Ltd., Hungary, issued by the Hungarian National Development Agency, supported by the EU.

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Authors and Affiliations

  1. Dept. of Telecomm. and Media Informatics, High Speed Networks Laboratory (HSNLab), Budapest University of Technology and Economics, Magyar tudósok. krt. 2, 1117, Budapest, Hungary

    Attila Mitcsenkov

  2. AGH University of Science and Technology, Al. Mickiewicza 30, 30-059, Krakow, Poland

    Miroslaw Kantor & Krzysztof Wajda

  3. Dept. of Information Technology, Ghent University—IBBT, Gaston Crommenlaan 8, box 201, 9050, Gent, Belgium

    Koen Casier & Bart Lannoo

  4. Royal Institute of Technology KTH/ICT, Isafjordsgatan 22, Electrum 229, 16440, Kista, Sweden

    Jiajia Chen & Lena Wosinska

Authors
  1. Attila Mitcsenkov
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  2. Miroslaw Kantor
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  3. Koen Casier
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  4. Bart Lannoo
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  5. Krzysztof Wajda
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  6. Jiajia Chen
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  7. Lena Wosinska
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Correspondence to Attila Mitcsenkov.

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Mitcsenkov, A., Kantor, M., Casier, K. et al. Geometric versus geographic models for the estimation of an FTTH deployment. Telecommun Syst 54, 113–127 (2013). https://doi.org/10.1007/s11235-013-9720-3

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  • DOI: https://doi.org/10.1007/s11235-013-9720-3

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