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Secured Scheme for RF Energy Harvesting Mobile Edge Computing Networks based on NOMA and Access Point Selection

机译：基于NOMA和接入点选择的RF能量收集移动边缘计算网络的安全方案

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摘要

In this paper, we study an RF energy harvesting mobile edge computing network where an energy-constrained user harvests the RF energy from the power station and of-floading its tasks to two access points based on non-orthogonal multiple access (NOMA). In particular, the user can offload its confidential tasks to the trusted access point, and nonconfidential tasks can be offload to both trusted and untrusted access points by using the harvested energy. We propose two protocols based on NOMA, non-access point selection (NAPS), and access point selection (APS) schemes, namely NOMA-NAPS and NOMA-APS. The closed-form exact expressions of successful computation probability (SCP) are derived to evaluate these proposed protocols' system performance. Numerical results are shown that the NOMA-APS protocol outperforms the NOMA-NAPS one. The Monte-Carlo simulation results also verify the correctness of our analysis.
机译：在本文中，我们研究了一个RF能量收集移动边缘计算网络，其中能量受限用户从电站收集RF能量，并基于非正交多次访问（NOMA）将其任务驻防到两个接入点。特别地，用户可以将其机密任务卸载到可信接入点，并且通过使用收获的能量可以卸载到可信和不受信任的接入点的不可信任任务。我们提出了两个基于NOMA，非接入点选择（NAP）和接入点选择（APS）方案的协议，即NOMA-NAPS和NOMA-AP。导出成功计算概率（SCP）的闭合形式精确表达式以评估这些提出的协议的系统性能。显示数值结果表明NOMA-APS协议优于NOMA-inaps一个。 Monte-Carlo仿真结果还验证了我们分析的正确性。

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