通过高斯过程回归在动态环境中进行通信和传感天线的可重配置匹配网络的可靠性分析和优化
Seppe Van Brandt1, Kamil Yavuz Kapusuz1, Joryan Sennesael1
1Internet Technology and Data Science Lab, Department of Information Technology, Faculty of Engineering and Architecture, Ghent University and Imec, 9052 Gent, Belgium.
Sensors (Basel, Switzerland)
|May 11, 2024
概括
物联网 (IoT) 天线附近的物体可能会导致脱节. 一个新的弹性调节策略在动态环境中提高了10-40%的天线系统可靠性,克服了调节问题.
科学领域:
- 电气工程 电气工程
- 电磁学 电磁学 电磁学 电磁学
- 无线通信无线通信
背景情况:
- 物联网 (IoT) 设备依赖于嵌入式天线.
- 由于在反应性近场中与附近物体的脱调和不匹配,天线性能下降.
- 现有的匹配网络在动态环境中扎.
研究的目的:
- 描述由物体引起的天线反射系数变化.
- 评估动态环境对匹配网络的可靠性影响.
- 提出一种新的,有弹性的天线调策略.
主要方法:
- 斯过程回归应用于实验数据以建模反射系数变化.
- 在随机对象位置下评估匹配网络可靠性的模拟.
- 开发和测试一种新的弹性网络调整策略.
主要成果:
- 天线脱调的特点是频率和物体距离.
- 动态环境可以将匹配网络的可靠性降低高达90%.
- 拟议的战略将系统可靠性提高10%至40%.
结论:
- 环境因素显著影响物联网天线性能.
- 一个新的弹性调整策略为实时自适应匹配提供了一个强大的替代方案.
- 拟议的方法在动态场景中提高了系统可靠性.
相关概念视频
Response Surface Methodology
125
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
The process of RSM involves several key steps:
125
Propagation of Uncertainty from Random Error
681
An experiment often consists of more than a single step. In this case, measurements at each step give rise to uncertainty. Because the measurements occur in successive steps, the uncertainty in one step necessarily contributes to that in the subsequent step. As we perform statistical analysis on these types of experiments, we must learn to account for the propagation of uncertainty from one step to the next. The propagation of uncertainty depends on the type of arithmetic operation performed on...
681
Distribution Reliability and Automation
107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
107
Receiver Operating Characteristic Plot
140
A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
140
Propagation of Uncertainty from Systematic Error
516
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
516
Expected Frequencies in Goodness-of-Fit Tests
2.5K
A goodness-of-fit test is conducted to determine whether the observed frequency values are statistically similar to the frequencies expected for the dataset. Suppose the expected frequencies for a dataset are equal such as when predicting the frequency of any number appearing when casting a die. In that case, the expected frequency is the ratio of the total number of observations (n) to the number of categories (k).
2.5K


