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- W4381110705 abstract "Many nodes in Internet of Things (IoT) rely on batteries for power. Additionally, the demand for executing compute-intensive and latency-sensitive tasks is increasing for IoT nodes. In some practical scenarios, the computation tasks of WDs have the non-separable characteristic, that is, binary offloading strategies should be used. In this paper, we focus on the design of an efficient binary offloading algorithm that minimizes system energy consumption (EC) for TDMA-based wireless-powered multi-access edge computing networks, where WDs either compute tasks locally or offload them to hybrid access points (H-APs). We formulate the EC minimization problem which is a non-convex problem and decompose it into a master problem optimizing binary offloading decision and a subproblem optimizing WPT duration and task offloading transmission durations. For the master problem, a DRL based method is applied to obtain the near-optimal offloading decision. For the subproblem, we firstly consider the scenario where the nodes do not have completion time constraints and obtain the optimal analytical solution. Then we consider the scenario with the constraints. By jointly using the Golden Section Method and bisection method, the optimal solution can be obtained due to the convexity of the constraint function. Simulation results show that the proposed offloading algorithm based on DRL can achieve the near-minimal EC." @default.
- W4381110705 created "2023-06-19" @default.
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- W4381110705 date "2023-01-01" @default.
- W4381110705 modified "2023-09-23" @default.
- W4381110705 title "Minimization of Energy Consumption in TDMA-Based Wireless-Powered Multi-Access Edge Computing Networks" @default.
- W4381110705 doi "https://doi.org/10.1587/transfun.2023eap1035" @default.
- W4381110705 hasPublicationYear "2023" @default.
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