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To meet the global challenge of reducing ICT environment impact and the exponentially growing data traffic, green design of wireless networks is becoming an important issue for cellular network operators. In order to achieve such goal, green network techniques must be applied to change the current network architecture according to future demand. In this paper, we introduce the cellular network with...
Traditional wireless networks are designed for ubiquitous network access provision with low-rate voice services, which thus preserve the homogeneous architecture and tight coupling for infrastructures such as base stations. With the traffic explosion and the paradigm shift from voice-oriented services to data-oriented services, traditional homogeneous architecture no longer maintains its optimality,...
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