LAUSR

Device-to-Device (D2D) communication, in which devices take advantage of their physical proximity, becomes an emerging technology and a hot research area for 5G cellular networks. Many research works have thoroughly tried to deal with interference management, resource allocation, security, opportunistic device contacts and user mobility. However, unpredictable device mobility may influence the service continuity of a D2D communication. Therefore, the effects of the mobility model on D2D communication performances must be fully studied. In this paper, we adapt the RPGM (Reference Point Group Mobility), a group mobility model, to the D2D communication. It is suitable for modelling the D2D mobility and manages the relationship among mobile devices. To demonstrate the effectiveness of our adopted mobility model, we compare it to other popular mobility models. As expected, our adopted mobility model outperforms the other models in terms of handover latency and system performances with different D2D applications.