在受干扰影响的射频环境中对OSNMA支持的GNSS定位进行实验性评估
Alexandru Rusu-Casandra1, Elena Simona Lohan2
1Telecommunications Department, Politehnica National University of Science and Technology, 060042 Bucharest, Romania.
Sensors (Basel, Switzerland)
|February 13, 2025
概括
利略开放服务导航消息认证 (OSNMA) 系统显示出强大的抵御无线电频率干扰 (RFI) 和伪造攻击的弹性. 在现实世界中进行测试,RF降级条件证实了其对认证导航的强大性能.
科学领域:
- * 导航系统工程 * 导航系统工程
- * 卫星导航安全 卫星导航安全
- * 无线电频率干扰分析
背景情况:
- * 无线电频率干扰 (RFI),干扰和伪造影响全球导航卫星系统 (GNSS) 的威胁日益增加.
- * 东欧地区RFI和伪造事件的记录需要对身份验证系统的性能进行评估.
- * 在具有挑战性的射频环境中对GNSS认证进行最终用户视角评估的需要.
研究的目的:
- * 评估利略开放服务导航消息认证 (OSNMA) 系统的实际性能.
- * 评估OSNMA在受损的射频环境中对RFI,干扰和伪造的稳定性.
- *为最终用户确定关键性能指标,仅依赖于经过认证的利略信号.
主要方法:
- * 在罗马尼亚的城市,郊区和农村环境中进行了数据收集活动.
- *使用商业GNSS接收器,能够进行OSNMA认证.
- *分析信号捕获数据,重点关注RFI的实例及其对位置,速度和时间 (PVT) 解决方案的影响.
主要成果:
- * 利略OSNMA对意外和故意干扰均表现出显著的稳定性.
- * 验证性能在具有高RFI发病率的条件下进行了评估.
- *确定了特定的场景,其中RFI损害或阻止了认证的PVT解决方案.
结论:
- * 利略OSNMA提供了可靠的身份验证服务,即使在具有挑战性的,RF降级的真实世界环境中.
- * 该系统对各种形式的故意和非故意的射频干扰具有弹性.
- *OSNMA是提高导航解决方案安全性和可靠性的宝贵工具.
更多相关视频
09:36Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
Published on: June 25, 2021
3.0K
07:14Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
Published on: May 1, 2018
7.7K
相关概念视频
01:26Errors in Global Positioning System
32
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
32
01:28Field Application of Global Positioning System
25
The Global Positioning System (GPS) has become an indispensable tool in fieldwork, offering unparalleled precision and efficiency for surveying, navigation, and infrastructure development. By harnessing signals from a constellation of satellites, GPS receivers determine the location of objects with remarkable speed and accuracy, often completing calculations within a second.Advantages of Modern GPS TechnologyContemporary GPS receivers are designed to meet the practical demands of field...
25
01:30Design Example: Identifying the Locations of Monuments in the Field Using Global Positioning System Device
19
Surveyors use Global Positioning System (GPS) technology to measure the precise location and elevation of points on Earth. In a recent survey, GPS receivers were used to determine the coordinates and elevations of two park monuments. The process involved careful mission planning, data collection, and correction to ensure accuracy. The survey began with mission planning to identify optimal satellite visibility and minimize Position Dilution of Precision (PDOP). A geodetic control point...
19
01:30Types of Global Positioning System Surveys
47
GPS surveying methods vary in application, accuracy, and data collection techniques, catering to diverse surveying and mapping needs. Static GPS, kinematic GPS, and real-time kinematic (RTK) surveying are widely used. Each technique offers distinct advantages.Static GPS involves placing one receiver at a known reference point and another at the target point. It collects exact positional data by observing multiple satellite ranges over an extended period, achieving centimeter-level accuracy for...
47
01:30Introduction to Global Positioning System
45
The Global Positioning System (GPS) revolutionized positioning on Earth, providing precise location data through satellite ranging. The GPS system was developed in 1978 by the U.S. Department of Defense for military use, and it became available for civilian applications in 1983, transforming fields including navigation, fleet management, and time synchronization for telecommunications systems.GPS consists of satellites in medium Earth orbit, about 20,200 kilometers above the surface,...
45
01:20Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences
366
Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and...
366