MDS Coded Caching with MRT and Its Optimization

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In conventional maximum distance separable (MDS) coded caching systems, storage-efficient caching strategy which minimizes unnecessarily redundant data is believed to be optimal. However, the conventional storage efficient caching strategy may not be optimal because redundantly stored data can be utilized as diversity sources to combat wireless channel impairments due to channel fading. This paper explores how MDS coded caching facilitates coordinated maximum ratio transmission (MRT) in cache enabled wireless networks. Optimizing the length of MDS coded sequence and the amount of redundant cached data, we demonstrate the gain of MDS coded caching leveraged by MRT outperforms conventional uncoded caching schemes.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2019-03
Language
English
Article Type
Article
Citation

ICT EXPRESS, v.5, no.1, pp.60 - 64

ISSN
2405-9595
DOI
10.1016/j.icte.2018.05.001
URI
http://hdl.handle.net/10203/254132
Appears in Collection
EE-Journal Papers(저널논문)
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