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Blog - Testing multipath mitigation in GNSS timing receivers for 5G networks

Getting it right. Why not all simulators are the same.

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Eleftherios Drosinos

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Blog - As new GNSS receiver standards emerge, developers face new test challenges 

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Blog - The GPS Week Number Rollover problem

Blog - Performance testing for a new generation of Galileo PRS + GPS M-Code receivers

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

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Blog - New threats to GNSS require new approaches to receiver testing

Guy Buesnel

Blog - New GNSS signals bring new simulation challenges for receiver developers

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A guide for engineers integrating GPS / GNSS capabilities into new devices 

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

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

Rahul Gupta

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

Stuart Smith 

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Recent GNSS issues provide new test cases for receiver developers

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Blog - Recent GPS and Galileo issues provide new test cases for receiver developers

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

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Stuart Smith

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

Spirent의 Guy Buesnel가 GNSS 스푸핑 공격을 예시와 함께 다루며 GNSS 스푸핑 방지의 더 큰 그림과 미래를 들여다봅니다. 

GNSS 스푸핑 방지, GPS 성능 테스트

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

Mia Swain

For How to Construct a GPS/GNSS Test Plan

CPhys, FRIN,  Product Manager – GNSS Vulnerabilities 

Some GPS receivers may malfunction on or after 6 April 2019 due to the GPS Week Rollover. Here’s what that means and how to check if a receiver is vulnerable.  

The GPS Week Number Rollover problem

개요

수십 년의 경험을 바탕으로 개발을 가속화할 수 있습니다.

정확한 다중 주파수, 다중-GNSS 시뮬레이션 제공

GSS9000 시리즈 GNSS 시뮬레이터

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

GNSS: New Threats Mean New Advances in Testing

New threats to GNSS require new approaches to receiver testing

If you are creating location-aware systems, such as drones, handsets, or smart watches, you need scientific insights to verify your design works. This eBook explains how to ensure your customers don’t get lost.


If you are creating location-aware systems, like drones, handsets, or smart watches, you need scientific insights to verify your design works.

Guide For GPS Testing With Simulator

What test techniques and technologies are right for you?

Testing GPS with a Simulator

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’

5G requires GNSS time clocks to be located at or near street level. That makes them vulnerable to multipath, creating design and test challenges for developers. 

5G를 사용하려면 GNSS 시계가 거리 또는 그 인근에 위치해야 하므로 개발자는 다중 경로에 취약하게 됩니다. 

GNSS 타이밍 수신기, 5G 네트워크 테스트

Testing multipath mitigation in GNSS timing receivers for 5G networks

Spirent의 Sim3D 다중 경로 시뮬레이션 소프트웨어가 고객 여러분의 사업에 선사해 드리는 혜택을 확인해 보세요.

Will Thornton

포괄적인 교육 자료

As reliance on GNSS grows, new safety and performance standards will likely emerge. A flexible testbed will create a solid foundation for future conformance testing.

GNSS 사용이 증가함에 따라 새로운 안전성 및 성과 기준이 나타나고 있습니다. Spirent는 현재와 미래를 위한 수신기 규정 준수 테스트를 지원합니다

새로운 GNSS 수신기 표준으로 DevOps를 테스트합니다 

As New GNSS Receiver Standards Emerge, Developers Face New Test Challenges 

데이터시트

Sim3D 데이터 시트

하이라이트 더보기

설치 & 온보딩

Spirent의 전문가에게 니즈에 적합한 솔루션을 문의하세요.

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유연한 기간

표준 및 맞춤형 과정

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

상용 CubeSat 사용이 증가하고 있는 환경에서는 시뮬레이션을 통해 온보드 GNSS 수신기 성능을 철저히 테스트해야 합니다.

GNSS 시뮬레이터 테스트가 CubeSat에 필수인 이유

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

Product Line Manager

Romain Zimmermann

인하우스 전문가 만들기

From 13 June 2017, all new GNSS equipment sold in the EU must be tested to ensure activity in nearby frequency bands doesn’t interfere with performance. Here’s what you need to know.

New GNSS equipment sold in the EU must be tested to ensure activity in nearby frequency bands doesn’t interfere with performance.

GPS Devices and EU Radio Equipment Directive

EU Radio Equipment Directive: What GPS Device Manufacturers Need To Know

유연한 딜리버리

As Galileo approaches full operating capability, a new generation of PRS and M-Code receivers is on the horizon. Performance testing will require state-of-the-art simulation.

As Galileo approaches full operating capability, a new generation of PRS and M-Code receivers are here.

Next Gen Testing Galileo PRS + GPS M-Code receiver

Performance testing for a new generation of Galileo PRS + GPS M-Code receivers

Training

사례 연구

Furuno와 5G의 미래를 만들어가다

당사의 서비스가 고객 여러분의 사업에 선사해 드리는 혜택에 대해 알아보세요.

위해한 다중 경로 및 암흑화에서 귀사의 수신기를 보호하세요.

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.



Learn how Spirent lab solutions helped NTT & Furuno develop a pioneering multipath mitigation algorithm.

NTT, Spirent Solutions & GNSS Timing Receivers 

Spirent solutions help NTT & Furuno develop pioneering multipath mitigation algorithm

Space Science Technologist

Talini Pinto Jayawardena

정확한 시간 및 동기화를 위해 셀룰러 네트워크는 GNSS 타이밍 수신기에 의존하고 있습니다. 이 블로그에서 살펴본 바와 같이, 다중 경로 신호는 밀집된 도시 지역에 설치된 타이밍 수신기에 심각한 위협이 되는 것으로 나타났습니다.

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

GNSS Signals Threaten Network Timing Receivers

4G 및 5G 네트워크에서 타이밍 수신기에 위협적인 다중 경로 GNSS 신호 

As the GNSS environment evolves, receiver developers must be able to test with the full range of existing and future signals. Spirent is committed to making that happen.

GNSS 환경이 발전함에 따라 수신기 개발자는 기존 및 앞으로의 시그널을 테스트해야 합니다. Spirent는 이를 실현하기 위해 노력합니다.

새로운 GNSS 시그널, 새로운 시뮬레이션 과제

New GNSS signals bring new simulation challenges for receiver developers

고급 다중 경로 및 암흑화 테스트로 증명된 현실감으로 세세한 3D 환경을 구축합니다.

Spirent의 Sim3D 소프트웨어는 사실적인 3D 환경을 시뮬레이션하여 다중경로 및 암흑화가 GNSS 수신기에 미치는 효과를 테스트합니다.

GNNS, 3D에서의 다중경로 시뮬레이션

다중 경로 및 암흑화 테스트로 현실감있는 3D 환경 구축

Sim3D 다중 경로 시뮬레이션 소프트웨어

대화형 학습 

GNSS 수신기에 대한 의존도가 증가함에 따라 더 이상 라이브 스카이 테스팅(live-sky testing), 기록 및 재생, 통계 모델링과 같은 기존 방법을 사용하여 다중 경로 및 암흑화를 평가할 수 없게 되었습니다.

이 eBook에서는 GNSS 수신기에 발생하는 여러 암흑화 효과를 극복하는 방법에 대해 설명합니다. Spirent의 Sim3D 솔루션은 PNT 테스트를 위한 현실적인 환경을 만들어 GNSS를 사용하는 제품의 정확한 포지셔닝 성능을 보장합니다.

고정밀 GNSS 수신기의 테스트 방법

도시 환경에서 다중 경로 및 암흑화를 극복하는 방법

교육 하이라이트

Issues like the GPS Week Number Rollover and recent Galileo outage mean developers and users should verify that each system’s ICD is correctly implemented in their firmware.

Spirent가 GNSS 세그먼트 오류, 유형, 빈도 및 위성 시스템 사용자에 미치는 영향에 대한 테스트와 고객 보호 방법에 대한 질문에 답합니다.

GPS & Galileo 버전: 수신기용 테스트 사례

Recent GPS and Galileo issues provide new test cases for receiver developers

For any new GPS/GNSS-enabled device, thorough testing is essential – but the tests you run, and the standards you apply, will depend on what it is you’re developing, the ways it’s likely to be used, and the levels of performance your users expect.



A guide for engineers integrating GPS/GNSS capabilities into new devices

How to Construct a GPS/GNSS Test Plan

테스트 함정 피하기

테스트 프로그램 가속화

GSS7000M GNSS 시뮬레이터

Professional Services Engineer

Spirent 제품에 대해 배워보세요.

PNT 테스트 및 개발 분야 리더의 교육 서비스를 통해 팀의 능력을 빠르게 높이세요.

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