摘要
针对D2D通信复用异构蜂窝网络上行信道产生的干扰和频谱资源优化问题进行研究,提出一种基于多对一Gale-Shapley算法的D2D通信资源分配方案。方案允许多个D2D用户共享一个蜂窝用户信道资源,通过设置信干噪比(SINR)门限保证用户的通信服务质量(QoS)。根据信道分配情况,构建D2D用户和信道的偏好列表,最大化系统总容量。仿真结果表明,该方案收敛较快、复杂度较低,能够有效保证用户的通信服务质量,系统总容量接近最优解。为实现D2D用户和蜂窝用户的频谱资源共享,提高频谱利用率提供了一种有效方案。
In order to solve the problem of interference and spectrum optimization caused by D2D (device-to-device) communication multiplexing uplink channel of heterogeneous cellular networks, this paper proposed a resource allocation scheme based on many to one Gale-Shapley algorithm. It allowed multiple D2D users to share a cellular user channel resource and guaranteed the communication (QoS) of users by setting the threshold of signal to interference and noise ratio (SINR). The scheme constructed a preference list for D2D users and channels and maximized system total capacity based on channel allocation. Simulation results show that the scheme converges fast and has low complexity. The system total capacity is close to the optimal solution while guarantees the quality of service of users effectively. The research provides an effective scheme to realize the spectrum sharing between D2D users and cellular users and improve spectrum utilization.
作者
李中捷
谢东朋
Li Zhongjie;Xie Dongpeng(Hubei Key Laboratory of Intelligent Wireless Communication,South-Central University for Nationalities,Wuhan 430074,China)
出处
《计算机应用研究》
CSCD
北大核心
2019年第8期2500-2503,共4页
Application Research of Computers
基金
国家自然科学基金资助项目(61379028,61671483)
湖北省自然科学基金重点资助项目(2016CFA089)
中南民族大学中央高校基本科研业务费专项资金资助项目(CZY19003)
