基于稳定匹配的多回合迭代D2D资源分配方案

Multi-round iterative resource allocation scheme for device-to-device based on stable matching underlaying cellular networks

在D2D(Device-to-Device)通信中,移动用户相互之间无需通过基站就能直接进行通信。D2D的主要优势在于能有效地改善频谱利用率,提升移动用户的吞吐量,但是复用蜂窝用户的频谱资源所带来的严重干扰是一个严峻的挑战。合适的资源匹配是有效防止干扰的最直接的措施,文中提出了一种新的D2D资源分配方案——基于稳定匹配的多回合迭代(Multi-Round Iteration Stable Matching,MRI SM)D2D资源分配方案,即在稳定分配的基础上引入多回合迭代算法完成二次优化,以最大化系统吞吐量为目标,使每个D2D对复用更合适的频谱资源。仿真分析可以看出,文中提出的方案能提升D2D的满意度,系统吞吐量也有所提高。

In device-to-device （D2D） communication, mobile users communicate directly without going through the base station. D2D communication has the advantage of improving spectrum efficiency and the user throughput, but the interference introduced by resource sharing of D2D has become a significant challenge. The most direct measures to effectively prevent interference is appropriate resource allocation. In this paper, a new resource allocation scheme is presented for D2D-multi-round iteration stable matching （MRI SM） resource allocation scheme for D2D pair underlaying cellular networks. After stable matching is completed, the multi-round iteration algorithm is introduced to further optimize matching, enhance satisfaction of D2D pair, maximize the D2D user system throughput. Finally, simulation results demonstrate the scheme enhances satisfaction of D2D pair and obtains the higher throughput of cellular network system.