Abstract
In order to improve the efficient allocation of resources in the scenario of densely distributed mobile terminals in 5G networks, this paper proposes a resource allocation algorithm based on D2D communication mode selection. First, group D2D users according to their location distribution. Then, according to the priority order of communication needs, users are assigned modes, and the resource allocation is optimized by comparing the signal-to-noise ratio in orthogonal mode, multiplex mode, and cellular mode The simulation analysis of the throughput in the single-cell multi-user scenario shows that the algorithm can achieve the goal of allocating the best communication mode and resources for users with the maximum throughput output as a criterion.
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