IEEE Journal on Selected Areas in Communications
A resource allocation framework for scalable video broadcast in cellular networks
Mobile Networks and Applications - Special issue on Wireless and Personal Communications
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multiple parallel networks. In the context of multiple users, accessing different types of applications, we are looking for efficient ways of allocating network resources and selecting network paths for each application, in order to maximize the overall systems performance. Our optimization joint problem consists of finding the appropriate application rate allocation and network parameters for each individual user, such that a universal system quality metric is maximized. A specific mapping between the requirements of each considered application and the overall quality metric is introduced, and our results are compared to other solutions based on throughput optimization strategies. The superiority and robustness of our approach is shown through extensive simulations in constant and dynamic systems, when clients can join/leave the access networks. Furthermore, we introduce heuristic algorithms which can obtain good results and are inexpensive in terms of computation and execution time.