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The success of future generation networks will be driven by the provision of ubiquitous, personalized services that can offer an enhanced user experience. In order to support the provision of more and better services to users, and at the same time deal with the complexity of the infrastructure of network operators (NOs), advanced management functionality needs to be introduced in wireless systems,...
The emerging radio landscape will consist of heterogeneous wireless networks, operating in the framework of diverse co-operative associations of network operators, for accommodation of the demands of users with multimode and/or multihoming enabled terminals. In this context, the optimized spectrum and radio resource utilization will be key factor for the accomplishment of the goals of both users and...
In this article, we propose and describe a functional architecture (FA) for the efficient radio and spectrum resource management of the anticipated future compound communication systems. This work comprises an advancement of the FA that has been initially proposed within end-to-end reconfigurability - phase 2 (E2R II) project and has been enhanced to incorporate cognitive and self-x capabilities to...
In this paper, we provide a framework for enhancing radio resource management (RRM) in 3G long term evolution (LTE) systems with cognitive features. By exploiting the capabilities of orthogonal frequency division multiplexing (OFDM) LTE access technology, network segments are capable of properly adapting to the environment conditions by applying RRM algorithms for optimized sub-carriers' assignment,...
Wireless communications attract enormous research effort nowadays, since the continuous introduction of innovative services constitutes an attractive aspect for users, operators, as well as manufacturers. Moreover, the wireless world is currently witnessing the convergence of mobile communication systems and IP networks, towards a global communications system, operating over a common, wireless access...
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