Error Handling and Data Synchronization in Policy and Charging Control Architecture in WiMAX 


Vol. 38,  No. 5, pp. 355-367, May  2013


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  Abstract

In the Policy and Charging Control(PCC) architecture of the 3GPP and WiMAX forum, the Policy and Charging Rule Function(PCRF) controls and configures the policies of quality of services(QoS) and accounting to a Policy and Charging Rule Enforcement Function(PCEF). In this paper, we categorize the errors into three types that include a disconnection with peer entity, a delayed or no response and a response with failure result, and propose a scheme to automatically synchronize the data between the PCRF and the PCEF for each type of error. Also, we conduct a quantitative analysis to see how much it can help to maintain the cell capacity of the mobile VoIP service in a WiBro network, which is implemented in Korea according to the standards of WiMAX. We can see that our proposed scheme improves the performances of PCC by preventing the waste of radio resources, the overload of systems, the memory leakage of servers, the system shutdown, and so on. We have validated the scheme by implementation, and reflected it in WiMAX standard documents.

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  Cite this article

[IEEE Style]

S. Seol and S. Cho, "Error Handling and Data Synchronization in Policy and Charging Control Architecture in WiMAX," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 5, pp. 355-367, 2013. DOI: .

[ACM Style]

Soonuk Seol and Sungsoo Cho. 2013. Error Handling and Data Synchronization in Policy and Charging Control Architecture in WiMAX. The Journal of Korean Institute of Communications and Information Sciences, 38, 5, (2013), 355-367. DOI: .

[KICS Style]

Soonuk Seol and Sungsoo Cho, "Error Handling and Data Synchronization in Policy and Charging Control Architecture in WiMAX," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 5, pp. 355-367, 5. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880