Decentralized asynchronous coded caching in Fog-RAN

Huang, Wenlong; Jiang, Yanxiang; Bennis, Mehdi; Zheng, Fu-Chun; Gacanin, Haris; You, Xiaohu (2019-04-15)
 
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https://doi.org/10.1109/VTCFall.2018.8690639

Huang, Wenlong
Jiang, Yanxiang
Bennis, Mehdi
Zheng, Fu-Chun
Gacanin, Haris
You, Xiaohu
Institute of Electrical and Electronics Engineers
15.04.2019

W. Huang, Y. Jiang, M. Bennis, F. Zheng, H. Gacanin and X. You, "Decentralized Asynchronous Coded Caching in Fog-RAN," 2018 IEEE 88th Vehicular Technology Conference (VTC-Fall), Chicago, IL, USA, 2018, pp. 1-6. doi: 10.1109/VTCFall.2018.8690639

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doi:https://doi.org/10.1109/VTCFall.2018.8690639
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https://urn.fi/URN:NBN:fi-fe202002195836
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Abstract

In this paper, we investigate asynchronous coded caching in fog radio access networks (F-RAN). To minimize the fronthaul load, the encoding set collapsing rule and encoding set partition method are proposed to establish the relationship between the coded-multicasting contents in asynchronous and synchronous coded caching. Furthermore, a decentralized asynchronous coded caching scheme is proposed, which provides asynchronous and synchronous transmission methods for different delay requirements. The simulation results show that our proposed scheme creates considerable coded-multicasting opportunities in asynchronous request scenarios.

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