Minimum Cache Size and Backhaul Capacity for Cache-Enabled Small Cell Networks

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In cache enabled networks, either memory or backhaul is used to deliver files from a core network to a transmitter. To support a high level of wireless quality of service (QoS), network resources including small base stations, memory, and backhaul are required. In this letter, while satisfying a wireless QoS constraint, memory, and backhaul for the whole network are minimized. For a given density of small base stations, optimal memory size is found in closed-form. Also, the optimal density of SBSs is numerically obtained to minimize the total memory and backhual required to satisfy the QoS.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2018-08
Language
English
Article Type
Article
Citation

IEEE WIRELESS COMMUNICATIONS LETTERS, v.7, no.4, pp.490 - 493

ISSN
2162-2337
DOI
10.1109/LWC.2017.2787765
URI
http://hdl.handle.net/10203/245695
Appears in Collection
EE-Journal Papers(저널논문)
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