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Methods for Resource Management in Wireless Networks Print E-mail
Methods for Resource Management in Wireless Networks

During the recent last years we have assisted to a great developing, both on the technological and economic field, of systems able to allow a wireless access to different types of mobile terminals: for example the third generation radio mobile networks and local wireless networks. The success of these applications in the next years is related not only to the possibility to offer attractive services to the final users but also to the efficiency in the radio transmission and network resources allocation, in order to allow the usage to the greatest number of users with the best quality for users and the best economic revenue for the providers. In this field a lot of open issues of great interest both for the research and the application level are present.

The resource management issue is a very wide problem, it occurs at different levels and it involves different aspects. We could begin by citing the management of the transmission resources at the physical layer with the problems related to the resources allocation, the access control, the transmissions scheduling; we also consider the service admission control, the handover management between cells of the same network or even between cells belonging to heterogeneous networks, the decision of price policies. Among the important aspect to take into consideration we cite the fact that the requested services show a multimedia nature, with different quality and network resources requests, the fact that the different transmission and multiple access techniques presents different problems and potentialities, and the fact that the algorithms of management and optimization have to be of acceptable complexity (for example, the distributed techniques requires a lower level of signaling and coordination), the fact that the economic aspect, related to prices and revenues, and the users satisfaction for a certain service play an important role.

In this context we propose a research activity that deals with the following issues:

  • methods of channels allocation and scheduling for cellular wireless systems with spatial multiple access; this is motivated by the interest toward the new opportunities and problems that occurs together with the introduction of the technologies related to the smart antennas;
  • models and strategies for the resource management based on the games theory concepts and on economic considerations, motivated by the interest toward innovative approaches of the resource management, that allow to link the user satisfaction level, related to the communication service quality, to the provider’s need to optimize the network usage.
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