Delay-aware coded caching for mobile users

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Özfatura, Emre and Rarris, Thomas and Gündüz, Deniz and Erçetin, Özgür (2018) Delay-aware coded caching for mobile users. In: 29th IEEE Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC), Bologna, Italy

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Official URL: http://dx.doi.org/10.1109/PIMRC.2018.8580764


Cache capacity-delay trade-off is studied for cooperative coded caching among small-cell base stations (SBSs) considering mobile users. First, a delay-aware coded caching policy is introduced, taking into account the popularity of the files and the maximum re-buffering delay constraint, which minimizes the average re-buffering delay of a mobile user under a given cache capacity constraint. Subsequently, a given average re-buffering delay constraint is considered to ensure a certain quality-of-service (QoS) target, and certain files are served by the macro-cell base station (MBS) when the cache capacity of the SBSs is not sufficient to store all the files in the library. A coded caching policy that minimizes the average amount of data served by the MBS is proposed for the latter scenario.

Item Type:Papers in Conference Proceedings
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK5101-6720 Telecommunication
ID Code:38426
Deposited By:Özgür Erçetin
Deposited On:26 Aug 2019 15:52
Last Modified:27 Mar 2020 13:25

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