Joint Caching and Sleeping Optimisation for D2D-aided Ultra-Dense Network.
IET Communications（2019）
Key words
telecommunication power management,radio networks,telecommunication traffic,iterative methods,cellular radio,mobile handsets,radio transmitters,stochastic processes,minimisation,derived local optimal small cell caching scheme,caching capacity,end-to-end delay,joint optimisation problem,D2D transmitter,cell BS,heterogeneous caching scheme,cost minimisation problem,delay-aware sleeping strategy,suboptimal caching ratios,combinatorial optimisation problem,device-to-device communication,ultradense small cell networks,local optimal sleeping ratio scheme,sleeping optimisation subproblem,D2D-aided ultradense network,D2D communication,system energy consumption,collaborative caching subproblem,Karush-Kuhn-Tucker conditions,stochastic traffic model
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