Abstract
In this paper, we study a distributed link scheduling problem for device-to-device (D2D) communication with considering the quality-of-service (QoS) requirement and time-varying channel condition of each D2D link. To this end, we first study an optimal centralized link scheduling algorithm maximizing the total average sum-rate. We then abstract the important scheduling principles of the optimal algorithm in order to use them to develop a distributed link scheduling algorithm. In our distributed link scheduling algorithm, we develop a procedure with which D2D links are able to share their degree of QoS satisfaction and channel condition with each other in a distributed manner. By utilizing those information for link scheduling, our link scheduling algorithm is able to satisfy the QoS requirement of each D2D link while achieving throughput improvement by exploiting time-varying channel condition of each D2D link in a distributed manner.
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