@inproceedings{d945bd57f78541979b810c258c9ffe28,
title = "Tradeoff of content sharing efficiency and secure transmission in coded caching systems",
abstract = "Coded caching systems can facilitate traffic offloading from base stations and content sharing between content providers and content requesters via device- to-device (D2D) communications. In particular, dividing content items into mul-tiple pieces not only can enable the possibility of decreasing transmission delay and energy consumption, but also can contribute to secrecy enhancement since potential social outcasts can decode the content item only if they can obtain enough pieces. In this work, the tradeoff problem between content sharing efficiency and secure transmission in coded caching systems is investigated. First, to maximize the caching hit ratio with secrecy outage constraints, a joint optimization problem considering coding parameters, content placement, and power allocation is formulated. Further, a lower bound on the caching hit ratio and a upper bound on the secrecy outage probability are derived to simplify the original optimization problem. Numerical results demonstrate the effectiveness of the proposed scheme.",
keywords = "Coded caching, Power allocation, Secure content sharing",
author = "Yinan Ding and Li Wang and Huaqing Wu and Xuemin Shen and Poor, {H. Vincent}",
year = "2018",
month = jul,
day = "27",
doi = "10.1109/ICC.2018.8422139",
language = "English (US)",
isbn = "9781538631805",
series = "IEEE International Conference on Communications",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
booktitle = "2018 IEEE International Conference on Communications, ICC 2018 - Proceedings",
address = "United States",
note = "2018 IEEE International Conference on Communications, ICC 2018 ; Conference date: 20-05-2018 Through 24-05-2018",
}