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This paper mainly investigates the problem of radio resource allocation for heterogeneous services transmission in OFDMA-based wireless networks, where the Soft QoS traffics are considered. In communication systems from the users' point of view, utility is a good metric to describe the satisfaction of services, the objective of this paper is to improve the total utility of all the system users, and...
Sustainable development of resource-based enterprises is dynamic, open and complex system involving five subsystems: resource, economy, society, environment, technology, and management level. Three are various fields related to its study, including enterprise management, resource management, ecology, environmental science, demography, engineering, economics, and sociology. The inherent complexity...
Geographic-based addressing and routing has been discussed for more than twenty years. In this paper, we clarify the purpose of fitting geographic information into addressing and routing, and further propose a new geographic-based addressing and routing scheme. Our contribution lies in three aspects. First, we classify previous geographic-based addressing and routing proposals into three categories...
In a cellular network, the channel assignment is a mechanism that assigns channels to mobile users in order to establish a communication between a mobile terminal and a base station. It is important to determine an optimal allocation of channels that makes efficient use of channels, which are limited resources, and minimizes call-blocking and call-dropping probabilities. In this paper, we present...
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