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In this paper, an energy-efficient subchannel and power allocation scheme for a downlink marco-femto heterogeneous network is proposed. The optimization problem which maximizes the energy efficiency of all the FBSs subject to resource allocation constraints is formulated. To solve the formulated NP hard problem, we first apply clustering algorithm, which groups FBSs with interference being lower than...
In two-tier macro-femto heterogeneous networks, optimal spectrum and power resource allocation are important issues for achieving high efficient resource utilization and guaranteeing continuously increasing wireless accessing requirements. In this paper, an energy-efficient optimal joint power and spectrum allocation algorithm for marco-femto heterogeneous network is proposed. Through formulating...
Multi-modality, the unique and important property of video data, is typically ignored in existing video adaptation processes. To solve this problem, we propose a novel approach, named multi-modality transfer based on multi- graph optimization (MMT-MGO) in this paper, which leverages multi-modality knowledge generalized by auxiliary classifiers in the source domain to assist multi-graph optimization...
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