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Infrastructure providers (InPs) can provide virtual networks (VNs) to service providers (SPs) through wireless network virtualization. These VNs share the wireless spectrum and they are supposed to meet various requirements of different SPs. In order to satisfy the requirements such as quality of service (QoS), fairness and isolation, efficient and flexible slicing and scheduling schemes are necessary...
In recent years, a new concept of network architecture with control/data plane separation is introduced to the future network, which can effectively improve the mobility robustness and reduce the handover failure by providing the data plane services under the umbrella of a macro cell coverage layer. However, in the ultra dense network, frequent data plane handovers would still introduce huge signaling...
Dual connectivity is a promising technology to tackle the new challenges and demands in wireless communication. The architecture of dual connectivity with the idea of control plane and user plane split has been introduced in LTE Release 12 to enhance user throughput and mobility robustness. However, the current architecture of dual connectivity may raise some problems on power control, due to the...
The data traffic is exploding dramatically, 1000-fold data traffic increase is expected in this decade. Ultra-dense heterogeneous network (HetNet) is considered as a promising track to address this challenge. In order to mitigate the severe interference between the dense deployed small cells and improve the cell edge users' performances, cluster-based spectrum allocation and coordinated multi-point...
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