Smart Caching for QoS-Guaranteed Device-to-Device Content Delivery

被引：0
|
作者：
Yanli Xu [1 ]
机构：
[1] The College of Information Engineering, Shanghai Maritime University
来源：
China Communications | 2018年 / 15卷 / 01期
基金：
中国国家自然科学基金;
关键词：
D2D communication; content delivery; caching strategy; overflow probability;
D O I：
暂无
中图分类号：
TN915.0 [一般性问题];
学科分类号：
0810 ; 081001 ;
摘要：
Caching at user equipment(UE) provides a feasible way for device-to-device(D2D) content delivery among proximal users without deploying additional infrastructures. To support D2D content delivery for mobile traffics with quality-of-service(QoS) requirements, smart caching problem is essential to be solved especially when there is no prior knowledge on demands of proximal users. In this paper, impacts of Qo S requirements and limited caching capacity on UE caching are analyzed, respectively, based on which a caching scheme is proposed. With the proposed caching scheme, UE can determine whether caching a content or not intelligently to guarantee a content request via D2D communications in the network. Simulation results are presented which verify the analyzed influencing factors on D2D caching and the proposed QoS-provisioning caching scheme.
引用
收藏
页码：128 / 139
页数：12
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