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University of Athens

This webpage from the University of Athens Communication Networks Laboratory explains the basic terms and functions related to charging, accounting, and billing in next generation mobile networks. It also discusses pricing and the proposed charging model.

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University of Athens

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  1. University of Athens Communication Networks Laboratory http://www.cnl.di.uoa.gr CHARGING, ACCOUNTING &BILLING ISSUES FOR NEXT GENERATION MOBILE NETWORKS

  2. Definition of basic terms • CHARGING The Charging function collects information related to a chargeable event from specific network nodes, which are able to generate such kind of information. As a chargeable event can be considered any activity utilising network resources and related services that the operator charges for. • BILLING The Billing function processes the records coming from the charging functional entity according to the respective tariffs in order to calculate the charge for which the user should be billed. • ACCOUNTING In case of roaming the Accounting function is responsible to calculate the portion that is due to each operator. Additionally, it is reasponsible for sharing the incoming revenue between the players (network operators, application/service providers). • PRICING The Pricing function determines the necessary attributes for billing and accounting processes and defines the model that should be used for the calculation of charges and profits.

  3. Charging Model in Current Network { BILLING SYSTEM GMSC CS MSC { GGSN PS CGF SGSN

  4. VAS VAS AAA MD MD AAA MD Reconfiguration Manager MMS Relay/Server Metering Device Metering Device HSS LCS SGSN SGSN MSC GMSC GGSN VAS GGSN CCF CGF Charging Architecture ServiceProviders Domain OSA-like Interface Charging Information Open APIs Pricing Policies CAB Service VAS Configuration Messages Charging U S E R Open APIs Advanced Function Service Manager Bill Billing Reconfiguration Function Open APIs Manager Accounting Roaming Users Function Manager OSA-like Interface Open Network Service for Reconfigurability Open Network Services Open Network Services Open Network Services Open Network Services CAB Gateway Internet Multimedia Subsystem Service Domain Circuit-Switched Core network Packet-Switched Core network S-CSCF I-CSCF MGCF BGCF MRFC AS P-CSCF

  5. Proposed Charging Model { { C H A R G I N G G A T E W A Y CGF SGSN PS Bearer Charging Function GGSN { MSC { CS GMSC CCF { S-CSCF I-CSCF MRFC Session Charging Function IMS P-CSCF BGCF AS Event Charging Function MMS Relay/ Server SCCF Service Domain CPCF MDC MD HSS LCS { MD VASP AAA Server

  6. BSC & MSC Thesis • Specification of the IP Multimedia Subsystem (IMS) using the Specification and Description Language (SDL) and integration with the existing SDL platform • UMTS • IMS • SDL • Charging Issues • Charging Issues in an integrated 3G/wireless LAN network • UMTS • WLAN • Interworking Architectures between them

  7. Thank you for more info please contact: Maria Koutsopoulou tel.: 210 7275421 email: mkoutsop@di.uoa.gr

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