An IP-based QoS architecture for 4G operator scenarios

Authors:
V. Marques;R. L. Aguiar;C. Garcia;J. I. Moreno;C. Beaujean;E. Melin;M. Liebsch
Affiliations:
Portugal Telecom Inovacao;-;-;-;-;-;-
Venue:
IEEE Wireless Communications
Year:
2003

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Abstract

This article describes a global QoS architecture for multimedia traffic in mobile heterogeneous environments. This architecture supports both multiple access networks and multiple service provider scenarios. The architecture is able to provide QoS per user and per service, implementing the notion of a user profile associated network management in the case of heterogeneous and mobile network access is presented based on cooperative association between QoS brokers and authentication, authorization, accounting, and charging systems. The overall exchange of messages is exemplified for the case of a field test with specific optimizations for voice traffic.