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Network functions virtualization is a new paradigm to offer flexibility of software network function processing on demand. Policy enforcement satisfies network function policies that requires flows to traverse through given sequences of network functions. We summarize three desired properties of virtual network function placement, namely policy enforcement, interference freedom, and resource isolation...
In order to support a multi-standard platform, a reconfigurable RF front-end needs an optimal configuration that adapts to a dynamic communication condition. To find an optimal configuration efficiently, we previously proposed the Environment-Adaptable Fast (EAF) optimization in terms of the RF impairments of gain, nonlinearity and noise figure. However, this preliminary study did not include the...
Software defined radio has been developed for supporting multi-standard radio receivers, but remains vulnerable to interference. In order to overcome this interference challenge, this paper proposes replacing the fixed wide-band Radio Frequency (RF) front-end in software radio receivers with a reconfigurable RF front-end. We show that a software radio with an optimally chosen reconfigurable RF front-end...
This paper presents a power optimization strategy based on pricing for femtocell-deployed networks. Assuming that the central Macrocell Base Station (MBS) considered as a leader sells transmission power quota to femtocells, a Stackelberg game is formulated and constraints to avoid unnecessary high transmission power are designed. The Stackelberg Equilibrium (SE) is studied and a Distributed Non-uniform...
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