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- W2783239146 abstract "Caching content of small base stations (SBSs) is a promising approach in the fifth generation (5G) wireless networks for decreasing the transmission delay and energy consumption. The key issue in caching is effective cooperation among SBSs for full usage of the caching to reduce the systems cost. In this paper, we first introduce the architecture of wireless cellular networks with caching in 5G. We divide the caching space into two parts: One caches the fixed content purchased by telecom operators from the remote service providers, and the other one caches contents for wireless transmission. Then, we propose the cooperative caching scheme based on content-exchanged, where each user can get its demanded data from either local SBS or purchasing the contents stored in the neighboring cooperative SBSs. We further prove the concavity of system costs regarding to the proportion between the two parts. We also propose a mechanism to search for the minimal system costs. Finally, by simulations, we prove that the performance of our proposed cooperative caching scheme is better than that of the traditional cache schemes without purchasing the contents between SBSs." @default.
- W2783239146 created "2018-01-26" @default.
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- W2783239146 date "2017-12-01" @default.
- W2783239146 modified "2023-09-24" @default.
- W2783239146 title "Content-Exchanged Based Cooperative Caching in 5G Wireless Networks" @default.
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- W2783239146 doi "https://doi.org/10.1109/glocom.2017.8254031" @default.
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