Device-to-Device (D2D) communication is a promising technology for LTE-A and future 5G cellular systems to provide proximity services especially for public safety and emergency scenarios. We investigate here the underlay mode where Cellular Users (CUEs) and D2Ds can transmit on the same sub-channels inside a cell thus interfering each other. This paper provides a model to evaluate the performance of D2D communications (sharing uplink resources with CUEs) and proposes a heuristic resource management scheme (combining a scheduler and a pairing strategy) to improve cell capacity while guaranteeing low outage probability. This scheme (denoted as PF2-OUT) adopts a proportional fairness scheduler for both CUEs and D2Ds and modifies the allocations to D2Ds in case these are causing outage for CUEs. The goodness of this heuristic scheme has been validated showing how its performance is quite close to an optimized scheme in the literature.
|Titolo:||Improving Device-to-Device communications pairing for underlay cellular networks|
GIAMBENE, GIOVANNI (Corresponding)
|Citazione:||Giambene, G., & Tran, A.K. (2017). Improving Device-to-Device communications pairing for underlay cellular networks. In European Conference on Networks and Communications (EuCNC). New York : IEEE.|
|Appare nelle tipologie:||4.1 Contributo in Atti di convegno|