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Novel eICIC scheme for HetNets exploiting jointly the frequency, power and time dimensions
Koutlia, Aikaterini; Pérez Romero, Jordi; Agustí Comes, Ramon
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. GRCM - Grup de Recerca en Comunicacions Mòbils
User demand for capacity and high data rate applications imposes the need for new technologies able to cope with these challenges. Fourth Generation cellular networks have set the initiative for a technology evolution that will surpass the constraints and provide better quality of service and improved performance. In this context, Heterogeneous Networks (HetNets) deployments, combining a variety of different cell sizes, are considered in the literature in order to enhance the coverage and capacity of cellular systems. However, they require enhanced techniques especially for the user-to-cell association, resource allocation and interference management processes. On that respect, in this work we present a novel scheme that exploits jointly the frequency, power and time dimensions for interference mitigation in order to balance the trade-off between interference reduction to small cell users and throughput degradation for macrocell users. Simulation results have shown that the proposed solution utilizes more efficiently the available resources compared to a conventional scheme and boosts the capacity up to 45%.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Heterogeneous computing
Heterogeneous networks
Cell range expansion
Almost blank subframes
Enhanced inter-cell interference coordination
Xarxes heterogènies
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