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Adaptive joint call admission control and access network selection for multimedia wireless systems

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3 Author(s)
E. Alexandri ; INT, Motorola Labs., Paris, France ; G. Martinez ; D. Zeghlache

Third generation wireless networks and beyond will solicit the cooperation of heterogeneous access networks, so as to provide multimedia traffic to different classes of users, with varying quality requisites over regions and time zones. We address the problem of how to partition the traffic demand efficiently onto the underlying radio access networks. The design objective is a resource allocation strategy, which provides a maximal resource utilization across all access networks. At the same time, the allocation should respect quality levels related to handover dropping performance; these levels can be predefined per service and per region. We propose a solution based on reinforcement learning, which runs independently at each of the cells of every access system, and report results. In the case where network revenue does not depend solely on resource utilization, but on parameters such as the type of service and/or the service duration, the method is readily extensible to include these factors.

Published in:

Wireless Personal Multimedia Communications, 2002. The 5th International Symposium on  (Volume:3 )

Date of Conference:

27-30 Oct. 2002