Changpeng Fan

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Services will be the economic driver for 3G mobile networks and beyond. For the provision of new services a charging architecture supporting fast and easy integration of new services on the one hand and enabling versatile tariff models on the other hand is of vital importance. In this paper we present a service-oriented charging architecture. The key idea(More)
Quality of Service (QoS) mechanisms in networks supporting mobile Internet communications give rise to Denial of Service (DoS) threats: if the network cannot efficiently check the credibility of a QoS request during a handover process, malicious entities could flood the network with bogus QoS requests; if the authentication check is performed by means of an(More)