Robust randomized resource allocation for Device-to-Device communications

Device-to-Device (D2D) communication is expected to become a prominent system component in future LTE-Advanced (LTE-A) cellular networks and beyond by unlocking and propelling a plethora of new applications related to content and/or user locality. Towards this vision, resource management techniques for the D2D communication pairs that efficiently reuse resources in the cellular network are required. In this paper, a simple and inherently parallelized randomized D2D radio resource allocation (r-RRA) algorithm is proposed that is based on Fractional Frequency Reuse (FFR) to allocate resources to D2D users. Due to its nature, the proposed randomized scheme is amenable to both distributed and centralized based implementations. Through a wide set of numerical investigations it is shown that the proposed technique is highly competitive as it can provide on average a more than 10% increase in aggregate network throughput compared to existing works.