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Device-to-device (D2D) communication has emerged as a promising concept to improve resource utilization in fifth generation cellular networks. D2D network’s architectural capability to offload traffic from the backhaul network to direct links enables it to be used for internet of things (IoT) services. In a densely deployed setting of IoT devices, D2D network may experience critical interferences due to a limited number of spectral resources. To increase the overall signal-to-interference-plus-noise ratio (SINR) of the network while reducing the computational load on a macro base station, a novel decentralized interference management methodology is proposed for dense in-band D2D underlay LTE-A network. The proposed interference management scheme can decouple interference in a network into cross-cluster and intra-cluster interference and tackle with them separately. To mitigate the cross-cluster …