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By decoupling the control plane from the data plane and providing programmability for network applications, software-defined network (SDN) is positioned to offer more efficient management, higher flexibility and better performance. Routing and resource allocation are two closely related applications in wireless networks. With close cooperation, better performance and lower complexity can be achieved...
Channel-width adaptation can significantly improve the connectivity, capacity and reduce the power consumption in wireless networks. The OFDMA-based channel-width adaptation based on traffic demand has been studied in wireless networks with sufficient spectral resources. However, the traffic demand may not be fully satisfied in resource-limited scenarios. In this paper, we study the channel-width...
In this study, an explicit adaptive traffic allocation scheme for Machine-to-Machine (M2M) service is proposed to achieve optimum distribution in heterogeneous networks. Based on the characteristics of M2M services, the presented scheme is formulated as a convex optimization problem that maximises the utility of the M2M service, and then determines how to allocate the total rate among the multiple...
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