The general framework of Mobile Flexible Networks (MFN) is to designdense self-organizing, self-healing and self-energy harvesting securenetworks where terminals and base stations interact and self-adapt inan intelligent manner without the need of a central controller or withthe right amount of regulation to let the terminas/base stations inthe network exploit fully the degrees of freedom. The design dependsmainly on the mobility pattern as in highly mobile environments,intelligence at the terminal reduces the cost of signalling whereas forfixed (non-mobile) networks, all the intelligence can be put on thenetwork side. One of the big challenges is to find how to optimallysplit the intelligence between cognitive terminals and cognitivenetworks. In this talk, we discuss the challenges ahead and providesome research directions to develop the theoretical foundations ofthese networks.
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