… on D2D communications in cellular networks and, there is no survey on this field. In this
article, we provide a taxonomy based on the D2D … on D2D communication in cellular networks …

… in heterogeneous networks. In this article, the basic concepts of D2D communications are
first introduced, and then existing fundamental works on D2D communications are discussed. …

… network is considered, this work considers FD enabled in ad-hoc setting (D2D) overlaid with
the cellular network… imposed by FD-D2D communication, between increasing the aggregate …

… the cellular network (the base station). With D2D communication underlaying cellular networks,
… Thus, D2D communication in cellular networks was introduced in the next generations. A …

… to be addressed before D2D is completely standardized in … D2D in 5G. In the following, we
discuss two challenges in developing D2D communication technology in 5G cellular networks…

… operational region will determine whether the introduction of D2D communications is actually
… , therefore, plays a key role in the adoption of a D2D mode as part of the cellular network. …

… for D2D communications underlaying cellular networks to maximize the overall network
throughput of existing CUs and admissible D2D … for both CUs and D2D pairs. The framework …

… allocation problem for device-to-device (D2D) communication underlaying cellular networks
… (EE) of D2D links while guaranteeing the minimum data rates for cellular links. We first …

… cellular network that admits direct user communications. Authenticated UEs in the network
have access to the cellular base stations (eNBs) for regular cellular communications. At the …

… network model. With a carefully designed (centralized) power control technique, we show
that multiple D2D links may communicate … performance in a D2D underlaid cellular network. …