Intersystem Coexistence and Cooperation Through Control Channels

The emerging wireless world is expected to be characterized from the demand for new, diversified applications/services, the expanded use of wireless and the need for increased efficiency in resource provisioning and utilization. Therefore, the resource usage in an opportunistic manner would provide a solution towards this direction. Opportunistic networks (ONs) and Cognitive Management Systems (CMSs) for cellular extensions are one of the emerging communication paradigms in wireless mobile communications. For the cooperation of CMSs, specific mechanisms need to be defined in order to increase the accuracy of obtained knowledge on the context of the operational environment. Also, a cooperation mechanism is required for efficient coordination between the infrastructure and the devices in the scope of an ON. Therefore, Control Channels (CCs) are required for the exchange of information and the coordination between CMSs. Consequently, this work focuses on the definition of the needed interfaces that are introduced in order to enable communication between the cognitive management systems and also to the related groups of information that is needed to be conveyed between these systems in order to ensure proper interaction. Finally, an indication of the amount of information conveyed through CCs is provided in order to be able to assess the impact to the network of control-related transmitted information.

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