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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by Strathclyde researchers from the Department of Computer & Information Sciences involved in researching exciting new applications for mobile and smartphone technology. But the transformative application of mobile technologies is also the focus of research within disciplines as diverse as Electronic & Electrical Engineering, Marketing, Human Resource Management and Biomedical Enginering, among others.

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QoS-aware network-supported architecture to distribute application flows over multiple network interfaces for B3G users

Wang, Q. and Hof, T. and Filali, F. and Atkinson, R.C. and Dunlop, J. and Robert, E. and Aginako, L. (2008) QoS-aware network-supported architecture to distribute application flows over multiple network interfaces for B3G users. Wireless Personal Communications, 48 (1). pp. 113-140. ISSN 0929-6212

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Users in the Beyond-Third-Generation (B3G) wireless system expect to receive ubiquitous communication services with customised quality-of-service (QoS) commitments for different applications, preferably in a way as transparent as possible. Ideally, flows belonging to diverse applications can be automatically and optimally distributed (or handed off) among the most appropriate access networks for multihomed users. To contribute to realising this vision, we propose a novel architecture to achieve QoS-aware policy-based flow handoffs for multihomed users, especially those equipped with more than a single personal device. In this architecture, advanced network intelligence enables a personal gateway to handle flow distributions dynamically for all the devices behind it according to the applications' QoS requirements and the current available network resources. The essential procedures in this architecture are described. Following that, the flow handoff delay is analysed and numerical results are illustrated. To prove the proposed concepts, up-to-date implementations with experimental results are also presented.