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Femtocells are an inexpensive solution to address weak indoor cellular coverage. Femtocells increase network coverage, offloaded macro cell sites, and provide high data rate services in a cost-effective manner. However, several aspects of this new technology are ambiguous or not defined in standard, such as QoS architecture, bandwidth request management and subscribers flows priority. This paper provides...
The next generation of wireless systems (NGWS) will allow the integration of multiple radio access technologies (RATs). This integration will enable that much functionalities that were specific to each RAT to be jointly processed, increasing the cooperation degree. This work focuses on radio resource management (RRM) for NGWS, where a new RRM architecture is introduced. In this architecture, the RRM...
The adaptive network selection, efficient resource management, call admission control (CAC) strategies in mobile WiMAX must consider the characteristic of multi-rate to reduce the call blocking probability (CBP) and call dropping probability (CDP). In this paper, we propose a hierarchical network selection strategy (HNSS) based on grey relational analysis (GRA) to switch to the proper base station...
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