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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,...
Cognitive heterogeneous networks (HetNets) have been recently introduced as a promising solution to meet the user demand for higher data rate. Due to the physical coexistence of microcells, femtocells and the lack of available spectrum, there is a need for techniques that allows users to share the same spectrum while maintaining required performance level for each user by adopting interference mitigation...
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