Device-to-device coded caching with heterogeneous cache sizes

Abdelrahman M. Ibrahim, Ahmed A. Zewail, Aylin Yener

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

This paper considers a device-to-device (D2D) coded caching system where the users have differing cache sizes. During low traffic hours, the server places subsets of the files at the users' cache memories, in a manner that enables serving the users' requests via D2D transmissions during peak traffic hours. The objective is to jointly design the users' cache contents and the D2D transmissions in order to minimize the D2D delivery load. In particular, we seek to identify the optimal uncoded placement and linear delivery schemes. We propose a novel lower bound on the D2D delivery load under uncoded placement, which enables us to explicitly characterize the minimum D2D delivery load under uncoded placement for several cases of interest.

Original languageEnglish (US)
Title of host publication2018 IEEE International Conference on Communications, ICC 2018 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Volume2018-May
ISBN (Print)9781538631805
DOIs
StatePublished - Jul 27 2018
Event2018 IEEE International Conference on Communications, ICC 2018 - Kansas City, United States
Duration: May 20 2018May 24 2018

Other

Other2018 IEEE International Conference on Communications, ICC 2018
CountryUnited States
CityKansas City
Period5/20/185/24/18

Fingerprint

Cache memory
Servers

All Science Journal Classification (ASJC) codes

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Ibrahim, A. M., Zewail, A. A., & Yener, A. (2018). Device-to-device coded caching with heterogeneous cache sizes. In 2018 IEEE International Conference on Communications, ICC 2018 - Proceedings (Vol. 2018-May). [8422195] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICC.2018.8422195
Ibrahim, Abdelrahman M. ; Zewail, Ahmed A. ; Yener, Aylin. / Device-to-device coded caching with heterogeneous cache sizes. 2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. Vol. 2018-May Institute of Electrical and Electronics Engineers Inc., 2018.
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Ibrahim, AM, Zewail, AA & Yener, A 2018, Device-to-device coded caching with heterogeneous cache sizes. in 2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. vol. 2018-May, 8422195, Institute of Electrical and Electronics Engineers Inc., 2018 IEEE International Conference on Communications, ICC 2018, Kansas City, United States, 5/20/18. https://doi.org/10.1109/ICC.2018.8422195

Device-to-device coded caching with heterogeneous cache sizes. / Ibrahim, Abdelrahman M.; Zewail, Ahmed A.; Yener, Aylin.

2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. Vol. 2018-May Institute of Electrical and Electronics Engineers Inc., 2018. 8422195.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - This paper considers a device-to-device (D2D) coded caching system where the users have differing cache sizes. During low traffic hours, the server places subsets of the files at the users' cache memories, in a manner that enables serving the users' requests via D2D transmissions during peak traffic hours. The objective is to jointly design the users' cache contents and the D2D transmissions in order to minimize the D2D delivery load. In particular, we seek to identify the optimal uncoded placement and linear delivery schemes. We propose a novel lower bound on the D2D delivery load under uncoded placement, which enables us to explicitly characterize the minimum D2D delivery load under uncoded placement for several cases of interest.

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Ibrahim AM, Zewail AA, Yener A. Device-to-device coded caching with heterogeneous cache sizes. In 2018 IEEE International Conference on Communications, ICC 2018 - Proceedings. Vol. 2018-May. Institute of Electrical and Electronics Engineers Inc. 2018. 8422195 https://doi.org/10.1109/ICC.2018.8422195