Caching Policy Toward Maximal Success Probability and Area Spectral Efficiency of Cache-Enabled HetNets

@article{Liu2017CachingPT,
  title={Caching Policy Toward Maximal Success Probability and Area Spectral Efficiency of Cache-Enabled HetNets},
  author={Dong Liu and Chenyang Yang},
  journal={IEEE Transactions on Communications},
  year={2017},
  volume={65},
  pages={2699-2714}
}
In this paper, we investigate the optimal caching policy, respectively, maximizing the success probability and area spectral efficiency (ASE) in a cache-enabled heterogeneous network (HetNet), where a tier of multi-antenna macro base stations (MBSs) is overlaid with a tier of helpers with caches. Under the probabilistic caching framework, we resort to stochastic geometry theory to derive the success probability and ASE. After finding the optimal caching policies, we analyze the impact of… CONTINUE READING
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