Optimizing Cache Placement for Heterogeneous Small Cell Networks

In this letter, we study the optimization for cache content placement to minimize the backhaul load subject to cache capacity constraints for caching enabled small cell networks with heterogeneous file and cache sizes. Multicast content delivery is adopted to reduce the backhaul rate exploiting the...

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Bibliographic Details
Published inIEEE communications letters Vol. 21; no. 1; pp. 120 - 123
Main Authors Jialing Liao, Kai-Kit Wong, Khandaker, Muhammad R. A., Zhongbin Zheng
Format Journal Article
LanguageEnglish
Published IEEE 01.01.2017
Subjects
5G mobile communication
Base stations
cache storage
Heterogeneous networks
Licenses
Linear programming
Multicast communication
Optimization
Unicast
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Summary:In this letter, we study the optimization for cache content placement to minimize the backhaul load subject to cache capacity constraints for caching enabled small cell networks with heterogeneous file and cache sizes. Multicast content delivery is adopted to reduce the backhaul rate exploiting the independence among maximum distance separable coded packets.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2016.2612197