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Abstract
This paper introduces an operational expenditures (OpEx) cost model for telecom operators. In order to give a general overview, all operational expenditures are classified according to a matrix structure. The most important processes to operate an existing network are indicated. The processes for routine operation, reparation, service provisioning and pricing and billing are discussed in detail. Starting from the description of those processes, it is possible to derive formulae to calculate the actual OpEx cost for a certain network scenario. The needed methodology is described in the paper. Finally, we indicate how the used network technology and the offered network services influence the overall OpEx cost.
Keywords
communication system maintenance, communication system economics, costs, modeling

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MLA
Verbrugge, Sofie, Sandrine Pasqualini, Frtiz-Joachim Westphal, et al. “Modeling Operational Expenditures for Telecom Operators.” 2005 Conference on Optical Network Design and Modelling, Proceedings. Ed. A Pattavina. New York, NY, USA: IEEE, 2005. 455–466. Print.
APA
Verbrugge, S., Pasqualini, S., Westphal, F.-J., Jäger, M., Iselt, A., Kirstädter, A., Chahine, R., et al. (2005). Modeling operational expenditures for telecom operators. In A. Pattavina (Ed.), 2005 Conference on optical network design and modelling, proceedings (pp. 455–466). Presented at the 9th Conference on Optical Network Design and Modelling (ONDM 2005) : Towards the broadband for all era, New York, NY, USA: IEEE.
Chicago author-date
Verbrugge, Sofie, Sandrine Pasqualini, Frtiz-Joachim Westphal, Monika Jäger, Andreas Iselt, Andreas Kirstädter, Rayane Chahine, Didier Colle, Mario Pickavet, and Piet Demeester. 2005. “Modeling Operational Expenditures for Telecom Operators.” In 2005 Conference on Optical Network Design and Modelling, Proceedings, ed. A Pattavina, 455–466. New York, NY, USA: IEEE.
Chicago author-date (all authors)
Verbrugge, Sofie, Sandrine Pasqualini, Frtiz-Joachim Westphal, Monika Jäger, Andreas Iselt, Andreas Kirstädter, Rayane Chahine, Didier Colle, Mario Pickavet, and Piet Demeester. 2005. “Modeling Operational Expenditures for Telecom Operators.” In 2005 Conference on Optical Network Design and Modelling, Proceedings, ed. A Pattavina, 455–466. New York, NY, USA: IEEE.
Vancouver
1.
Verbrugge S, Pasqualini S, Westphal F-J, Jäger M, Iselt A, Kirstädter A, et al. Modeling operational expenditures for telecom operators. In: Pattavina A, editor. 2005 Conference on optical network design and modelling, proceedings. New York, NY, USA: IEEE; 2005. p. 455–66.
IEEE
[1]
S. Verbrugge et al., “Modeling operational expenditures for telecom operators,” in 2005 Conference on optical network design and modelling, proceedings, Milan, Italy, 2005, pp. 455–466.
@inproceedings{405371,
  abstract     = {This paper introduces an operational expenditures (OpEx) cost model for telecom operators. In order to give a general overview, all operational expenditures are classified according to a matrix structure. The most important processes to operate an existing network are indicated. The processes for routine operation, reparation, service provisioning and pricing and billing are discussed in detail. Starting from the description of those processes, it is possible to derive formulae to calculate the actual OpEx cost for a certain network scenario. The needed methodology is described in the paper. Finally, we indicate how the used network technology and the offered network services influence the overall OpEx cost.},
  author       = {Verbrugge, Sofie and Pasqualini, Sandrine and Westphal, Frtiz-Joachim and Jäger, Monika and Iselt, Andreas and Kirstädter, Andreas and Chahine, Rayane and Colle, Didier and Pickavet, Mario and Demeester, Piet},
  booktitle    = {2005 Conference on optical network design and modelling, proceedings},
  editor       = {Pattavina, A},
  isbn         = {0-7803-8956-5},
  keywords     = {communication system maintenance,communication system economics,costs,modeling},
  language     = {eng},
  location     = {Milan, Italy},
  pages        = {455--466},
  publisher    = {IEEE},
  title        = {Modeling operational expenditures for telecom operators},
  year         = {2005},
}

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