通过使用数字双胞胎和强化学习来最大限度地提高NOMA支持的工业物联网网络的吞吐量
Sekione Reward Jeremiah1, David Camacho2, Jong Hyuk Park3
1Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul, Republic of Korea; Department of Computer Science, Mwalimu Julius K. Nyerere University of Agriculture and Technology (MJNUAT), Mara, Tanzania.
Journal of advanced research
|April 23, 2024
概括
本研究优化了使用多访问边缘计算 (MEC) 和数字双胞胎 (DT) 的非直角多访问 (NOMA) 的工业物联网 (IIoT) 网络的资源配置. 该框架减少了任务延迟,并提高了吞吐量,实现了92%的效率.
科学领域:
- 事物的工业互联网 (IIoT)
- 边缘计算 边缘计算
- 数字双胞胎是一个数字双胞胎.
背景情况:
- 越来越复杂的IIoT应用程序耗费了有限的网络资源.
- 多访问边缘计算 (MEC) 和数字双胞胎 (DT) 为边缘智能提供解决方案.
- 在IIoT网络中MEC和DT的协同效益需要进一步研究.
研究的目的:
- 为IIoT网络提供一个联合优化卸载和资源分配的方案.
- 为了减少平均任务完成延迟,并提高IIoT网络吞吐量.
- 为了提高频谱效率,利用MEC服务器DT和非直角多重访问 (NOMA).
主要方法:
- 共同优化计算资源分配 (RA),子通道分配 (SA) 和卸载决策 (OD).
- 由于复杂性,将问题划分为RA和SA/OD子问题.
- 采用深度强化学习 (DRL) 来实现高效的RA和DT,以实现最佳的SA/OD.
主要成果:
- 与现有方法相比,拟议的框架显示出更高的效率.
- 实现了高达92%的详尽搜索方法的效率.
- 显著减少计算和行动决策时间.
结论:
- 拟议的框架显示出对现实世界IIoT应用的强度.
- 强调将MEC,DT和NOMA整合到IIoT中的潜力.
- 在苛刻的IIoT环境中成功解决了资源限制.
相关概念视频
Distributed Loads: Problem Solving
645
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
645
Ampere-Maxwell's Law: Problem-Solving
621
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of...
621
Sequence Networks of Rotating Machines
99
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
99
Mechanical Efficiency of Real Machines
688
The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...
However, in reality, no machine can be truly ideal, and all of them experience some...
688
Open and closed-loop control systems
729
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
729
Maximum Power Transfer
253
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
By substituting the entire circuit with...
253


