Research Article
QoS Mapping and Adaptation Control for Multi-user Sessions over Heterogeneous Wireless Networks
@INPROCEEDINGS{10.4108/ICST.MOBIMEDIA2007.1556, author={Eduardo Cerqueira and Luis Veloso and Mar\^{\i}lia Curado and Edmundo Monteiro and Paulo Mendes}, title={QoS Mapping and Adaptation Control for Multi-user Sessions over Heterogeneous Wireless Networks}, proceedings={3rd International ICST Conference on Mobile Multimedia Communications}, proceedings_a={MOBIMEDIA}, year={2010}, month={5}, keywords={QoS Mapping QoS Adaptation Multi-user sessions Wireless.}, doi={10.4108/ICST.MOBIMEDIA2007.1556} }- Eduardo Cerqueira
Luis Veloso
Marília Curado
Edmundo Monteiro
Paulo Mendes
Year: 2010
QoS Mapping and Adaptation Control for Multi-user Sessions over Heterogeneous Wireless Networks
MOBIMEDIA
ICST
DOI: 10.4108/ICST.MOBIMEDIA2007.1556
Abstract
The Quality of Service (QoS) support for multimedia multi-user sessions is essential to the success of fourth generation mobile networks. However, it requires the QoS control for those sessions independently of the movement of users, QoS model, and link capacity supported by wired and wireless networks in the end-to-end session path. This paper presents the Multi-user Session Control (MUSC) mechanism to provide QoS mapping and QoS adaptation of multi-user sessions over heterogeneous and mobile networks. The coordination of the QoS mapping and QoS adaptation controllers allows the adaptation of the session to the current network conditions and the dynamic selection of the most suitable network service class to map the session. The MUSC control is based on the session requirements, existing services class and their available bandwidth. Performance evaluation shows the impact of the MUSC proposal by analysing its convergence time, as well as the one-way delay and throughput of multi-user sessions in a QoS-aware mobile scenario.