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The widespread application of multimedia wireless services and requirement of ubiquitous access have triggered rapidly booming energy consumption at both the base station side. Hence, energy-efficient design in wireless networks is very important and is becoming an inevitable trend. In this paper, we study energy-efficient resource allocation in downlink cellular OFDMA networks. For the downlink transmission,...
This paper presents a new global optimization algorithm for energy-efficient control allocation (CA) scheme, which was proposed for improving operational energy efficiency of over-actuated systems. For a class of realistic power and efficiency functions, a Karush-Kuhn-Tucker (KKT) based algorithm is proposed to find all the local optimal solutions, and consequently the global minimum through a further...
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