… TAXONOMY In this section, we categorize the available literature on D2D communication
in cellular networks based on the spectrum in which D2D communication occurs. In the …

… In addition authors in [9] propose to use FDD uplink for D2D operation in UMTS radio access
network (… In this study, D2D communication uses uplink resources of a cellular network. …

… 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 …

… 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 …

… , we propose a D2D communication provided EH heterogeneous cellular network (D2D-EHHN), …
energy for D2D communication. We develop a framework for the design and analysis of …

… be new challenges to support D2D in 5G. In the following, we discuss two challenges in
developing D2D communication technology in 5G cellular networks. D2D in mmWave 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. …

… 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 …

… proposed to underlay current cellular networks [5]. We consider cognitive D2D communication
underlaying a multi-channel cellular network where the D2D transmitters are able to use …