Optimization and Analysis of Probabilistic Caching in $N$-tier Heterogeneous Networks.
IEEE Transactions on Wireless Communications(2018)
摘要
In this paper, we study the probabilistic caching for an N-tier wireless heterogeneous network (HetNet) using stochastic geometry. A general and tractable expression of the successful delivery probability (SDP) is first derived. We then optimize the caching probabilities for maximizing the SDP in the high signal-to-noise ratio regime. The problem is proved to be convex and solved efficiently. We n...
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关键词
Probabilistic logic,Fading channels,Optimization,Wireless networks,Relays,Heterogeneous networks
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