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In this paper, we consider the use of device-to-device (D2D) communications for extending the coverage area of active base stations in the case of public safety communications with partial coverage. A 3GPP standard compliant system level simulator is developed for D2D and heterogeneous network (HetNet) technologies considering public safety scenarios. The simulator is used to evaluate the performance...
Device-to-device (D2D) communication enables mobile devices to directly communicate with each other without the help of infrastructure and to reuse radio resources within cellular networks. When D2D user equipments (UEs) use the same radio resources for discovery and communication as the cellular network, intercell interference (ICI) may degrade the D2D discovery performance. Therefore, ICI between...
Device-to-device (D2D) communication as an underlay to cellular networks has gained increasing popularity as a technology component to LTE-Advanced. Through D2D communications, user equipments (UEs) in close proximity to each other, may communicate directly instead of through the eNodeB. This helps to achieve better performance than that offered via eNodeB (two-hops) by offloading eNodeB resources,...
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