Efficient caching strategy in wireless networks with mobile edge computing
Efficient caching strategy in wireless networks with mobile edge computing
复制标题
具有移动边缘计算的无线网络中的高效缓存策略
DOI:
10.1007/s12083-020-00874-w
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发表时间:
2020-02
影响因子:
4.2
通讯作者:
Xin Chen
中科院分区:
文献类型:
--
作者:
Ying Chen;Shuang Chen;Xin Chen
With the increasing popularity of Internet of things (IoT) applications, mobile edge computing (MEC) is emerging as a new technology. Caching popular content to edge servers can effectively reduce backhaul time and satisfy a large number of users' access requests for the content. However, edge caching faces the problems of limited storage capacity in the edge server and limited service scope in MEC. Therefore, edge caching should consider allocating the limited caching resources reasonably to different content providers (CP) to obtain the high caching utility. In this paper, we study caching in a multi-CP scenario with multiple users. In the process of defining content popularity, we consider that CPs ' overall popularity degree satisfies the law of diminishing marginal effect, and define the user satisfaction function as the benefit of caching. Then, aiming at maximizing caching utility, we establish a game model of caching resource competition among CPs based on noncooperative game, and prove the existence of Nash equilibrium (NE). In addition, the Best Response based Multi-CP Caching (BRMC) algorithm is proposed to obtain the best caching strategy. Finally, iterative experiments validate the convergence of the BRMC, and comparative experiments show that the BRMC can achieve a high caching utility.
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影响因子:
5.3
作者:
通讯作者:
--
DOI:
10.1007/s11280-019-00684-y
发表时间:
2020-03-01
影响因子:
3.7
作者:
Qi, Lianyong;Chen, Yi;Xu, Xiaolong
通讯作者:
Xu, Xiaolong
影响因子:
8.3
作者:
Ying Cui;Zitian Wang;Yang Yang-Yang;Feng Yang;Lianghui Ding;Liang Qian
通讯作者:
Ying Cui;Zitian Wang;Yang Yang-Yang;Feng Yang;Lianghui Ding;Liang Qian
DOI:
10.1109/jsac.2019.2916279
发表时间:
2019-07-01
影响因子:
16.4
作者:
Zou, Junni;Li, Chenglin;Steinbach, Eckehard
通讯作者:
Steinbach, Eckehard
影响因子:
3.9
作者:
Goian, Huda S.;Al-Jarrah, Omar Y.;Dianati, Mehrdad
通讯作者:
Dianati, Mehrdad