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Uwe Foell, Changpeng Fan, Georg Carle, Falko Dressler and Mehran Roshandel, "Service-Oriented Accounting and Charging for 3G and B3G Mobile Environments," Proceedings of 9th IFIP/IEEE International Symposium on Integrated Network Management (IM 2005), Poster Session, Nice, France, May 2005.


Mobile communication networks need an overall holistic concept for their charging and billing processes, independently of the kinds of services in use. All usage data of a single service should finally be summarized in a single service-oriented complete bill, which shows the individual components of a service separately. In the case of handover among different access networks at the application or the network level, various costs have to be added depending on the kinds of transport networks. In the final bill, all the individual cost factors should be shown separately. For all the concepts which are to be developed, both pre-paid and post-paid payments need to be considered. The existing charging concepts are based on distributed and, typically, uncoordinated collections of charging data. These gathered charging data are aggregated by special charging processes into service-oriented data sets. In addition to the high complexity of the method, it is difficult to distribute service identities, which can be deployed by all network layers for identifying their charging data collection. The main related problems are missing correlation identifiers and the large number of datasets. The charging data collected in a distributed manner must then be combined according to these service identities. It should be pointed out that there are no ready solutions to the problem described above, although partial mechanisms available in the IETF (e.g. RFC 3334 [3]) or in the 3GPP (e.g. 3GPP, TR 32.815 [4]) can certainly be utilized as building blocks. An overview to the IETF architectures is provided by Pras et al. [5]. Koutsopoulou et al. [1] discuss a charging system called CAB. This system reflects the typical centralized accounting and charging architecture used in 2G and 2.5G networks. In the framework of the 3G Evolving Technologies (3GET) project, which aims at supporting large-scale and sustained success of the 3G and beyond 3G (B3G) mobile networks, the related issue is tackled from the view point of Service-Oriented and Convergent Charging. The presented architecture was built for 3G and B3G networks. Therefore, it might partially fit to 2G and 2.5G networks but we did not concentrate on verifying this applicability. In the context pf this paper, we define accounting as the collection of data about resource consumption. This includes the control of data gathering (via metering), transport and storage of accounting data. Charging derives non-monetary costs for accounting data sets based on service and customer specific tariff parameters. Billing translates costs calculated by the Charging into monetary units and generates a final bill for the customer.

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Uwe Foell
Changpeng Fan
Georg Carle
Falko Dressler
Mehran Roshandel

BibTeX reference

    author = {Foell, Uwe and Fan, Changpeng and Carle, Georg and Dressler, Falko and Roshandel, Mehran},
    title = {{Service-Oriented Accounting and Charging for 3G and B3G Mobile Environments}},
    publisher = {IEEE},
    address = {Nice, France},
    booktitle = {9th IFIP/IEEE International Symposium on Integrated Network Management (IM 2005), Poster Session},
    month = {5},
    year = {2005},

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