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In 5G Ultra-dense Network (UDN), resource allocation is an efficient method to manage inter-small-cell interference. In this paper, a two-stage resource allocation scheme is proposed to supervise interference and resource allocation while establishing a realistic scenario of three-tier heterogeneous network architecture. The scheme consists of two stages: in stage I, a two-level sub-channel allocation...
In order to improve the spectrum utilization rate of Device-to-Device (D2D) communication, we study the hybrid resource allocation problem, which allows both the resource reuse and resource dedicated mode to work simultaneously. Meanwhile, multiple D2D devices are permitted to share uplink cellular resources with some designated cellular user equipment (CUE). Combined with the transmission requirement...
Densely deploying femtocells is deemed as a promising approach to meet the ever-increasing of traffic demands. Efficient resource allocation and interference management becomes to a challenging issue. In this work, we try to address the co- and cross-tier interference issue for densely deployed femtocell networks in order to acquire the expected performance gain. We propose a two-stage framework....
This paper proposes a clustering-based downlink resource allocation (CDRA) algorithm for allocating downlink spectrum resources in small cell networks. To improve the system capacity, the proposed CDRA algorithm introduces clustering before resource allocation, and proposes a new clustering method to divide all small cells in the system into a set of clusters. Based on three clustering principles,...
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