Towards Optimal Resource Allocation in Caching at Relay Networks

被引：0
|
作者：
Mohamed, Ahmed M. [1 ]
Hassan, Rana A. [1 ]
Nafie, Mohamed [1 ,2 ]
ElBatt, Tamer [2 ,3 ]
Digham, Fadel [1 ]
机构：
[1] Nile Univ, WINC, Giza, Egypt
[2] Cairo Univ, Fac Engn, Elect & Commun Engn Dept, Giza, Egypt
[3] Amer Univ Cairo, Comp Sci & Engn Dept, AUC Ave, New Cairo, Egypt
来源：
2018 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC) | 2018年
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We investigate the performance of caching in relay networks where an intermediate relay station (RS) caches content for future demand by end users. With uncertain user demand over multiple data items and dynamically changing wireless links, we characterize the optimal transmission time for serving data items, cached data portion allocation of relay station and optimal service portion, which represents a part from the cached portion, to minimize the total average transmission energy. We argue that under several settings fully caching the higher popular items is the optimal caching policy which minimizes the total expected transmission energy.
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页数：6
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