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Sim3D is an innovative 3D modelling system that creates a realistic environment for the testing of multipath and obscuration effects.

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Blog - Simulating GNSS multipath and obscuration effects on connected and autonomous vehicles

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GPS spoofing: New live sky tests

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GPS spoofing: New live sky tests 

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SimGEN, when combined with a compatible Spirent GNSS signal generator system, can be used to stimulate a satellite navigation receiver system in a laboratory environment.

SimGEN Multi-GNSS Simulator Software Suite

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

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The GSS7000 Series of Multi-GNSS, Multi-frequency Simulators from Spirent offers simultaneous coherent GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC (IRNSS), and SBAS signals from a single test scenario. Up to 256 channels provides ample signals for a wide range of development, integration and verification tasks.

中文 印刷 20200918 GSS7000 Brochure MCD00367 Issue2-01 CN. 20200919

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

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The SimINERTIAL system emulates inertial sensor outputs while concurrently simulating GPS RF signals, thereby enabling controlled, repeatable testing of integrated GPS and inertial units.

SimINERTIAL Integrated GPS/Inertial & Inertial Sensor Test System

The Spirent GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator sets a new standard of excellence in GNSS RF Simulation for R&D and performance test. It produces a comprehensive range of emulated multi-GNSS, multi-frequency RF signals with ultimate class-leading flexibility, coherence, fidelity, performance, accuracy and reliability. 

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The GSS7000 enables precise positioning, such as required for in-car navigation systems

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The GSS9000 produces a comprehensive range of emulated multi-GNSS, multi-frequency RF signals with ultimate class-leading flexibility, coherence, fidelity, performance, accuracy and reliability. 

GSS9000 Full Specification

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EB Understanding Multipath and Obscuration

Choosing a GNSS Simulator

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

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

Understanding the threat of GNSS signal spoofing can help you to mitigate. Spirent's Guy Buesnel explores GNSS spoofing attacks with examples and looks the bigger picture. 

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

The GSS7000 Series of Multi-GNSS, Multi-frequency Simulators from Spirent offers simultaneous coherent GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC (IRNSS), and SBAS signals from a single test scenario. 

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Sim3D Realistic Multipath and Obscuration Simulation

The Spirent GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator sets a new standard of excellence in GNSS RF Simulation for R&D and performance test.

GSS9000 Multi-Frequency, Multi-GNSS RF Constellation Simulator

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: New Live Sky Tests Confirm Receivers Are Vulnerable to Attack

Bringing high precision, low latency GNSS into dynamic HIL environments.

SimHIL Integrated hardware-in-the-loop testing - Bringing high precision, low latency GNSS into dynamic HIL environments

SimHIL Integrated hardware-in-the-loop testing

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.

Challenges of Testing Adaptive GNSS Antennas for Jamming and Spoofing Protection

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

When complete, Galileo, Europe’s Global Navigation Satellite System (GNSS), will join GPS, GLONASS and other upcoming systems in providing positioning services to users across world. As part of the development of the Galileo system, Thales Alenia Space used Spirent GNSS simulation to rigorously test all aspects of the GNSS, both in isolation and together.

Case Study: The Path to Full Operational Capacity—Testing ESA’s Galileo

The Path to Full Operational Capacity—Testing ESA’s Galileo

Learn more about the functionality technical data, and configuration information of the GSS9000 Series.

GSS9000 Series Full Specification

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

Developers of connected autonomous vehicles must understand the impact of multipath and obscuration on the GNSS receiver. This blog explores the need for 3D simulation in the research lab. 

Connected autonomous vehicle developers must understand the impact of multipath and obscuration on the GNSS receiver. Spirent explores the need for 3D simulation.

Simulating GNSS multipath and obscuration effects on connected and autonomous vehicles

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

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Choosing the receiver for your GNSS-dependent device is a key step in product development. However, with so many products on the market, how do you decide which one is best suited to your needs? And how do you find out how it will perform post-integration?



Choosing the receiver for your GNSS-dependent device is a key step in product development.

How to choose a GNSS receiver

SimIQ Software-in-the-loop solution - Same hardware, more capabilities

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欢迎了解SimGEN模拟控制软件如何为您的业务带来优势

More industries are using CubeSats for communications and data services, with many containing GPS/GNSS receivers for orbit determination and timekeeping.

Commercial CubeSat missions: why GNSS testing with a simulator is essential

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

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This datasheet describes the functionality, and provides technical data and configuration information, of the GSS7000 multi-frequency multi-GNSS RF simulation solution.

Technical data and configuration information, of the GSS7000 multi-frequency multi-GNSS RF simulation solution.

GSS7000 Specification

SimGEN是开发高性能产品过程使用的最强大且最直观的模拟软件。

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SimGEN是目前最强大、最直观的模拟软件

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GNSS设备的开发者可以使用的卫星信号测试选项可谓多种多样，但并不是所有这些选项都能提供您需要的结果广度和精度。那么我们如何才能确定哪种才是适合您的GNSS测试设备呢？



选择一种GNSS模拟器 - 免费电子书

选择一种GNSS模拟器

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.

‘Circle Spoofing’ Is on the Rise

欢迎了解我们的GNSS接收机测试解决方案如何为您的业务带来优势。

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It’s widely accepted that simulation is the primary tool for testing GNSS enabled equipment. However, selecting the right simulator is not simple. The first port of call should be to check the feature list – does the simulator offer the functionality you require? After this, though, you will need to establish whether the simulator performs as expected. Failure to do so could have catastrophic consequences for your product, and even your business.

This eBook takes a look at some of the important performance characteristics that you need to consider, and that can make the difference between success and failure.

How to choose a GNSS simulator

Find the GNSS simulator that's right for you

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A 5G network architecture typically requires primary reference time clocks (essentially GNSS receivers) to be installed near clusters of short-range base stations. Many clocks will be installed at street level in built-up areas, rather than on top of towers or tall buildings as has been the case with 4G. Multipath signals abound in such locations, while the narrow view of the sky often limits the number of line-of-sight satellite signals available. Both issues can severely affect a receiver’s ability to maintain accurate time, to the point where network quality of service can be seriously impacted.



Modern cellular networks need accurate time signals from GNSS satellites to keep transmission in sync. With Spirent’s help, NTT and Furuno have developed an algorithm for GNSS timing receivers that eliminates the effects of multipath, dramatically improvi

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相关资源

Enabling the future of space technology with Astro Digital

Commercial CubeSat missions: why GNSS testing with a simulator is essential

选择一种GNSS模拟器

The Path to Full Operational Capacity—Testing ESA’s Galileo

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