谢谢！

喜欢我们的内容吗？

博客订阅

公司

解决方案

資源

联系+支持

全球页脚

产品+服务

合作伙伴

活动

支持

资源

联系思博伦专家

显示在所有页面顶部的全球菜单

全球页眉

中文网站

日本語ウェブサイト

 대한민국

English

Global Language

Cookie

网站隐私

条款和条件

Modern Slavery Act & California Supply Chains Act Statement

全球子页脚

sc-Ricardo-Verdeguer-Moreno

pnt-blog-header

Eleftherios Drosinos

sc-How to choose a GNSS receiver

sc-GNSS-phone

pnt-blog-10-28-2020 Multipath GNSS signals are a threat to timing receivers in 4G and 5G networks

pnt-blog-10-28-2020

中文更新-WP-Automotive-Positioning-Receiver-Performance

GPS spoofing: New live sky tests

GNSS-eBook-multipath-obscuration-620x200

Live sky spoofing

Sim 3D telecommunications tower with blue sky

GPS spoofing: New live sky tests 

sc-Spirent Solutions Help NTT and Furuno

Daniel Martin

Timing accuracy in multipath conditions: significant deviations exceed ITU-defined tolerances

Timing accuracy in clear-sky conditions: timing outputs remain well within the 100ns performance threshold

pnt-blog-3 Timing accuracy in clear-sky conditions: timing outputs remain well within the 100ns performance threshold

sc-Understanding Multipath and Obscuration

Live sky spoofing 100m

pnt-blog-1 Testbed setup for 1PPS and PTP outputs from the timing receiver device under test (DUT)

pnt-blog-2 Simulation of line of sight (white), reflected (red) and diffracted (blue) signals, San Francisco location

Live sky spoofing image 50m

Understanding the threat of spoofing can help you to mitigate. Spirent's Guy Buesnel explores.

思博伦的Guy Buesnel将通过实例探讨GNSS欺骗攻击，并展望GNSS反欺骗的更广阔布局和未来。

GNSS反欺骗，GPS性能测试

With GNSS Spoofing Attacks on the Rise, Resilience and Robustness Go Hand-in-Hand

GSS9000系列GNSS模拟器

New tests conducted by Spirent in a live sky environment demonstrate that some commercial GPS receiver models can be compromised by spoofing devices at 10m, 50m and 100m distance.

Find out how Spirent used live sky signals alongside simulation to demonstrate how commercial GPS receivers are vulnerable to spoofing attacks.

GPS Spoofing, Testing - Receiver Vulnerabilities

GPS Spoofing: New Live Sky Tests Confirm Receivers Are Vulnerable to Attack

As GNSS jamming and spoofing threats increase, new adaptive antenna systems aim to protect receivers from interference. Find out why adaptive antennas are needed, the challenges of testing adaptive antenna systems, and how adaptive antennas work.

随着GNSS干扰和欺骗威胁的不断增加，全新的自适应天线系统将为接收机提供对抗干扰的周全保护。欢迎了解自适应天线系统的一切。

测试自适应GNSS天线－GNSS规划

Challenges of Testing Adaptive GNSS Antennas for Jamming and Spoofing Protection

PNT blog header

Professional Services

Testbed setup for 1PPS and PTP outputs from the timing receiver device under test (DUT)

PNT functionality is getting more complex, making it vital to fix issues earlier in the product cycle. Spirent SimIQ helps receiver designers to test early and avoid costly rework.

PNT functionality is complex. Fixing issues earlier in the product cycle is vital. Spirent SimIQ helps receiver designers to test early and avoid costly rework.

RF to I/Q: GNSS Receiver Testing is Shifting Left

From RF to I/Q: Why GNSS receiver testing is ‘shifting left’

For Spirent solutions help NTT and Furuno develop pioneering multipath mitigation algorithm for GNSS timing receivers

从关键基础设施到军事应用，再到智能手机和可穿戴设备等消费产品，全球导航卫星系统（GNSS）已经成为多种设备中不可分割的组成部分。每一种设备都要依赖GNSS天线和接收机来接收并处理卫星信号。然而，并非所有的GNSS接收机都是相同的，它们在精度、成本、尺寸和其它因素方面都存在着巨大的差异。选择正确的接收机至关重要，尤其是面向具备严格性能要求的设备时，而且这种要求必须贯穿测试的全程。

如何选择GNSS接收机

欢迎了解Sim3D多径模拟软件如何为您的业务带来优势。

欢迎联系思博伦，我们的专家将与您接洽并讨论适合您个性化需求的正确解决方案。

联系我们                

Simulation of line of sight (white), reflected (red) and diffracted (blue) signals, San Francisco location

Live Sky spoofing 50m

GNSS signal spoofing is a serious threat. Find out about the cause and effect of circle spoofing incidents and how to protect your PNT system with Spirent spoofing test scenarios.

全球导航卫星系统信号欺骗是一种严重威胁。了解circle欺骗事件的原因和影响，以及如何使用Spirent欺骗测试场景保护您的PNT系统。

GNSS干扰和欺骗－环形欺骗

‘Circle Spoofing’ Is on the Rise

案例研究

与Furuno携手塑造5G的未来

概览

保护您的接收机免受有害多径和遮挡的危害

现代蜂窝网络需要来自GNSS卫星的精确时间信号才能保持传输的同步。在思博伦的帮助下，NTT（日本电报电话公司）和Furuno（古野电气）成功开发出了一种适用于GNSS授时接收机的算法，不仅可以消除多径效应，还可大幅提高授时的精度和服务的质量。

思博伦解决方案帮助NTT和古野电气开发开拓性的多径消减算法

与思博伦GSS7000和GSS9000 GNSS模拟器协同实现I/Q数据的捕捉或回放 

思博伦的SimIQ可以捕捉和回放来自GNSS信号的IQ数据，大幅加快您的测试速度。

SimIQ定制波形和基于软件的测试解决方案

SimIQ 测试解决方案

The rise of automation in automotive is changing the role of positioning technology. GNSS has moved from being a convenience feature to a critical component with implications on functional safety.


This white paper is the first part of a series of three. It examines the challenges facing engineers in selecting the best receiver for an automotive application. Part 1 is particularly focused on the challenge of being faced with inconsistent manufacture

GNSS Receiver Selection Challenges

Automotive Positioning – GNSS Receiver Selection Challenges

产品线经理

Ricardo Verdeguer Moreno

构建包含经过验证的真实性的详细3D环境，实现先进的多径和遮挡测试。

思博伦的Sim3D软件可以实现真实的3D环境模拟，对GNSS接收机遭遇的多径和遮挡效应进行测试。

GNNS，3D多径模拟 - 思博伦通信 

为多径和遮挡测试构建真实的3D环境

Sim3D多径模拟软件

For How to simulate GNSS signal propagation in urban environments

适用于多径和遮挡测试的真实3D建模。

Sim3D

Sim3D的亮点

许多现代应用和设备都需要依赖持续、精确的GNSS接收才能实现各种关键功能。然而，都市环境对GNSS信号的接收构成了巨大的挑战，例如信号遮挡和多径等，而这些因素可能对接收机的性能产生影响。传统的测试方法，例如真实天空测试、记录与回放，以及静态建模等，已经不足以应对今天的各类GNSS依存应用，致使诸多潜在问题只有在真实世界场景中才会暴露出来。

这本电子书解释了如何克服全球导航卫星系统接收器的多重和模糊效应。Spirent的Sim3D解决方案为PNT测试创造了一个真实的环境，以确保依赖GNSS的产品的精确定位性能。

高精度GNSS接收机的试验方法

如何克服都市环境中的多径和遮挡

GSS7000 GNSS模拟器

SimGEN构建于数十年的丰富经验基础之上，可以提供强大的能力、灵活性和直观的易用性。欢迎进一步了解相关的性能升级和各个版本。

SimGEN模拟器和PNT产品中的改进 

Continuous Improvement with Spirent

Professional Services Engineer

更快得出可靠结果的多频率多GNSS模拟

多GNSS RF模拟解决方案，可以更快地得出可靠的结果，在一系列受控的可重复环境中确保您的产品实现完美的性能。

GNSS模拟器，更快实现可靠的结果 － GSS7000

GSS7000 GNSS模拟器 

蜂窝网络依靠GNSS授时接收机实现精确的时间同步。我们的试验表明，多径信号会对安装于人口稠密的城市区域的授时接收器造成严重威胁，而这也是此博客探讨的话题。

Cellular networks rely on GNSS timing receivers for accuracy. However, multipath GNSS signals are a threat to timing receivers installed in dense urban locals.