在 NOMA 基于远程状态估计的 Uplink 中对无线电和计算资源分配的联合优化
1School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
Sensors (Basel, Switzerland)
|August 14, 2025
概括
这项研究通过优化无线资源配置来增强工业6G网络的远程状态估计. 新方法将估计错误和传输延迟降至最低,提高未来工业应用的可靠性.
科学领域:
- 无线通信网络 无线通信网络
- 估计理论估计理论
- 优化优化 优化优化
背景情况:
- 超越5G的工业无线网络在远程状态估计方面面临挑战,原因是干扰和延迟.
- 现有的系统使用过于简单的模型,未能解决现实的无线动态.
研究的目的:
- 开发一种新的动态无线资源分配方案,以改善远程状态估计.
- 在工业无线网络中尽量减少估计中断和传输延迟.
主要方法:
- 制定了一个混合整数非线性编程 (MINLP) 模型,用于动态无线资源分配.
- 在电源和停电限制下,共同优化传感器分组和功率分配.
主要成果:
- 与传统方法相比,拟议的方案显著提高了传输可靠性.
- 通过模拟来证明增强的卡尔曼波器 (KF) 估计性能.
- 实现了减少估计中断和传输延迟.
结论:
- 新型资源分配方案为下一代工业无线网络的远程状态估计提供了强大的技术支持.
- 在复杂的无线环境中,优化资源管理对于可靠的状态估计至关重要.
相关概念视频
Maximum Power Transfer
405
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...
405
Estimation of the Physical Quantities
5.9K
On many occasions, physicists, other scientists, and engineers need to make estimates of a particular quantity. These are sometimes referred to as guesstimates, order-of-magnitude approximations, back-of-the-envelope calculations, or Fermi calculations. The physicist Enrico Fermi was famous for his ability to estimate various kinds of data with surprising precision. Estimating does not mean guessing a number or a formula at random. Instead, estimation means using prior experience and sound...
5.9K
Maximum Power Flow and Line Loadability
180
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
180
Transmission Line Design Considerations
213
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
213
One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation
712
This lesson introduces two critical methods in pharmacokinetics, the Wagner-Nelson and Loo-Riegelman methods, used for estimating the absorption rate constant (ka) for drugs administered via non-intravenous routes. The Wagner-Nelson method relates ka to the plasma concentration derived from the slope of a semilog percent unabsorbed time plot. However, it is limited to drugs with one-compartment kinetics and can be impacted by factors like gastrointestinal motility or enzymatic degradation.
On...
On...
712
Linear Approximation in Frequency Domain
131
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
131


