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Fog Nodes Placement for D2D Networks

Fog computing (FC) is a promising approach that address a computation-extensive tasks and delay-sensitive applications issues in the dense network environment. FC distributed as nodes that provide computation, networking, and storage close to the network edge with aim to reduce the data traffic and support the delay-sensitive applications. The Device-to-Device (D2D) communication is defined as direct communication between mobile users in vicinity, without involvement of the Base Station. D2D users can form share a similar content in proximity of each other in form of clusters. This work studies the fog computing placement problem for the D2D networks, the placement problem considers both the number of fog nodes required to satisfy the Quality of Service (QoS) requirements and the candidate location (Base Station) so as the access delay between D2D clusters and fog nodes reduced. A simulation experiments conducted to analysis the proposed framework under different density of the D2D clusters in the network.