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Mobility impact on mode selection map in D2D networks — An analytical approach

Device-to-Device (D2D) transmission is a promising technology which enables the User Equipments (UE) in 5G cellular networks to directly communicate without going through the evolved Node-B (eNB). In such networks UEs should select a Transmission Mode (TM) amongst reuse, dedicated, and cellular modes by maximizing the overall transmission throughput or referring to a mode selection map. The selection map identifies the mode which results in the highest data rate given the current state of the network. This paper presents a new analytical framework for the derivation of the selection map of D2D enabled cellular networks. While this problem was treated in the literature through numerical simulations, our approach is analytical and consequently fast and precise.