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Resource Allocation for Device-to-Device Communications Underlaying Cellular Networks
Tao He,Xinquan Ye,Lieying Luo 보안공학연구지원센터 2016 International Journal of Signal Processing, Image Vol.9 No.5
Device-to-Device (D2D) communications potentially can improve spectrum efficiency because of resource spatial reuse. There are two possibilities for D2D resource allocation: contention-based resource allocation and scheduling-based resource allocation. In this paper, these resource allocation schemes are analyzed. Then, we propose a scheduling-based resource allocation that has the advantage of low scheduling overhead in addition to providing a common design for under the in-network coverage and out-of-network coverage. Simulation results show that the proposed algorithm can increase system throughput by exploring spatial reuse gain and maintain good proportional fairness among D2D communication pairs.