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Reliability is one of the most important requirements for smart grid communications. Cooperative communications have been considered for smart grid communications to enhance the transmission reliability. In this paper, we propose reduced-complexity algorithms to minimize the total transmission power of cooperative communications while guaranteeing transmission reliability of the smart grid neighbourhood...
In this paper, we study the cognitive interference management (CIM) scheme in the coexistence networks of macro-cells and femtocells. A single-channel detection based spectrum allocation algorithm is proposed to enhance the performance of femtocells considering the cross-tier interference and co-tier interference. The proposed scheme converts the complex interference environment into several specific...
This work presents 2 novel approaches for the self-organization of Orthogonal Frequency Division Multiple Access (OFDMA) femtocells, in which the femtocell is able to dynamically sense the air interface and tune its sub-channel allocation in order to reduce inter-cell interference and enhance system capacity. In the sensing phase, these techniques make use of either messages broadcast by the femtocells...
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