A Two-stage RRH Clustering Mechanism in 5G Heterogeneous C-RAN

Abstract : Cloud Radio Access Network (Cloud RAN) is one of the most promising mobile architectures for 5G networks. The basic concept of Cloud RAN is to separate the digital baseband processing units (BBUs) of conventional cell sites, from the Remote Radio Heads (RRHs), and virtualize their functions in the cloud for centralized signal processing and management. In conventional RAN architectures, one BBU is assigned to one RRH in order to maximize network capacity. However, Cloud RAN may establish a one to many logical mapping, so as to enhance network energy efficiency. This paper addresses RRH clustering problem in heterogeneous C-RAN. The proposed clustering mechanism aims to reduce network power consumption, without compromising user QoS (Quality of Service).
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Olfa Chabbouh, Sonia Rejeb, Zièd Choukair, Nazim Agoulmine. A Two-stage RRH Clustering Mechanism in 5G Heterogeneous C-RAN. 5th International Workshop on ADVANCEs in ICT Infrastructures and Services (ADVANCE 2017), Jan 2017, Evry, France. ⟨hal-01775668⟩

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