Performance analysis of credit re-authorization schemes in UMTS online charging system

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

In 3GPP Release 6, the IP-based Online Charging System (OCS) is defined to support online charging for General Packet Radio Service (GPRS) and IP Multimedia core network Subsystem (IMS) services. During an online charging GPRS session, a number of mid-session events, such as Quality of Service (QoS) could dynamically affect the rating of the in-progress service. When such events occur, the GPRS support node needs to re-authorize the granted credit units with the OCS. If the change of QoS occurs frequently,the signaling load incurred by the re-authorization procedure increases heavily. In this paper, we propose a threshold-based scheme with parameter to reduce the traffic signaling for credit reauthorization procedure. By selecting an appropriate value, our study indicates that the signaling overhead in the OCS can be significantlyreduced while the inaccuracy of the credit informationinsignificantly increases. Based on our model, the mobile operator can choose appropriate parameter values in the threshold-based scheme for various traffic conditions.

Original languageEnglish
Title of host publicationIWCMC 2007
Subtitle of host publicationProceedings of the 2007 International Wireless Communications and Mobile Computing Conference
Pages55-60
Number of pages6
DOIs
Publication statusPublished - 2007
EventIWCMC 2007: 2007 International Wireless Communications and Mobile Computing Conference - Honolulu, HI, United States
Duration: 2007 Aug 122007 Aug 16

Other

OtherIWCMC 2007: 2007 International Wireless Communications and Mobile Computing Conference
CountryUnited States
CityHonolulu, HI
Period07-08-1207-08-16

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Software
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Performance analysis of credit re-authorization schemes in UMTS online charging system'. Together they form a unique fingerprint.

Cite this