Abstract
In this paper, we study mobile data offloading problem under the architecture of mobile cloud computing (MCC), where mobile data can be delivered by cellular, WiFi and Device-to-Device (D2D) communication networks. In order to minimize the overall cost for data delivery task, it is crucial to reduce cellular network usage while satisfying delay requirements. In the proposed model, a portion of the cellular data traffic is offloaded through WiFi and D2D networks. We formulate the data offloading problem as a finite horizon Markov Decision Process (FHMDP). We solve the problem using hybrid offloading algorithm for delay sensitive and delay tolerant applications. The simulation results show that the proposed offloading scheme can achieve minimal total cost compared with other three offloading schemes.
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