A Novel Content Caching and Delivery Scheme for Millimeter Wave Device-to-Device Communications

被引：0
|
作者：
Nuradha, Theshani [1 ]
Samarasinghe, Tharaka [1 ,2 ]
Hemachandra, Kasun T. [1 ]
机构：
[1] Univ Moratuwa, Dept Elect & Telecommun Engn, Moratuwa, Sri Lanka
[2] Univ Melbourne, Dept Elect & Elect Engn, Melbourne, Vic, Australia
来源：
2019 22ND INTERNATIONAL SYMPOSIUM ON WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS (WPMC) | 2019年
关键词：
content caching; device-to-device communications; millimeter wave; ultra-dense networks;
D O I：
10.1109/wpmc48795.2019.9096087
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel content caching strategy is proposed for a cache enabled device-to-device (D2D) network where the user devices are allowed to communicate using millimeter wave (mmWave) D2D links (> 6 GHz) as well as conventional sub 6 GHz cellular links. The proposed content placement strategy maximizes the successful content delivery probability of a line of sight D2D link. Furthermore, a heuristic algorithm is proposed for efficient content delivery. The overall scheme improves the successful traffic offloading gain of the network compared to conventional cache-hit maximizing content placement and delivery strategies. Significant energy efficiency improvements can also be achieved in ultra-dense networks.
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页数：6
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