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Cooperative Caching in HetNets With Mutual Information Accumulation | IEEE Journals & Magazine | IEEE Xplore

Cooperative Caching in HetNets With Mutual Information Accumulation


Abstract:

Caching is a promising technique in the next generation cellular network, reducing backhaul traffic while improving network efficiency. In this letter, we introduce a cac...Show More

Abstract:

Caching is a promising technique in the next generation cellular network, reducing backhaul traffic while improving network efficiency. In this letter, we introduce a cache-enabled small base station cooperative transmission scheme while considering the macro base station (MBS) silence and mutual information accumulation (MIA). A tractable analytical framework for characterizing the successful transmission probability (STP) of the introduced scheme is described. The STP is maximized by optimizing the caching placement policy based on a constrained cross entropy optimization algorithm. Simulation results demonstrate that the proposed SBS cooperative transmission with MBS silence and MIA achieves higher STP than other compared schemes.
Published in: IEEE Networking Letters ( Volume: 3, Issue: 3, September 2021)
Page(s): 105 - 109
Date of Publication: 09 April 2021
Electronic ISSN: 2576-3156

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