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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


All BlogsSecurityNetworksService AssuranceWirelessPositioningspirent.com
Guy Buesnel

 All BlogsSecurityNetworksService AssuranceWirelessPositioningspirent.com 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 

sc-How to Construct a GPS/ GNSS Test Plan

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

Automotive Ethernet Conformance Testing 

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.

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

Mia Swain

For How to Construct a GPS/GNSS Test Plan

CPhys, FRIN,  Product Manager – GNSS Vulnerabilities 

Guy Buesnel

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

概要

数十年の専門知識で開発チームを強化 

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

New threats to GNSS require new approaches to receiver testing

If you are creating location-aware systems, such as wearable technology, fitness bands, handsets, or smart watches, and need insight to verify your design works, then this eBook explains how to ensure your customers don’t get lost.


Testing GPS with a Simulator - Free Guide

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.

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. 

5G requires GNSS time clocks to be located at or near street level. That makes them vulnerable to multipath. Spirent looks at the challenges this brings developers. 

Testing multipath mitigation in GNSS timing receivers for 5G networks

Will Thornton

包括的な素材

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.

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. Spirent explores.

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

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

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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

Romain Zimmermann

For Testing GPS with a Simulator - Free Guide

独自の社内エキスパートを作成

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.

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

柔軟なトレーニングの提供

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.

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

Training

当社のサービスが貴社のビジネスにどのようなメリットをもたらすかを紹介します。

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

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

Spirent solutions help NTT & Furuno develop pioneering multipath mitigation algorithm

Space Science Technologist

Talini Pinto Jayawardena

セルラーネットワークは、正確な時刻と同期を確保する上で、GNSSのタイミングレシーバーに依存しています。ブログに掲載した通り、当社のテストによると、マルチパスシグナルが、密集した都市部に設置されたタイミングレシーバーにとって大きな脅威となっています。

セルラーネットワークは、正確な時刻と同期を確保する上で、GNSSのタイミングレシーバーに依存しています。本ブログは、マルチパスシグナルが、密集した都市部に設置されたタイミングレシーバーにとって、大きな脅威となっている様子を伝えています。

マルチパスGNSS信号は、4Gや5Gネットワークのタイミングレシーバーにとって脅威

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.

New GNSS signals bring new simulation challenges for receiver developers

Sim3Dマルチパスシミュレーションソフトウェア高度なマルチパスおよびオブスキュレーションテストを対象とした実証済みのリアリズムで、詳細な3D環境を構築します。

SpirentのSim3Dソフトウェアは、GNSS受信機のマルチパスとオブスキュレーションの影響をテストするための現実的な3D環境のシミュレーションを可能にします。続きを読む

Sim3Dマルチパスシミュレーションソフトウェア

マルチパスおよびオブスキュレーションテスト用のリアルな3D環境の構築

双方向的学習 

この電子ブックでは、GNSS受信機への依存度が高まるにつれ、ライブスカイテスト、記録再生、統計的モデリングなどの従来の方法を用いて、マルチパスやオブスキュレーションの処理を評価することはもはや不可能であることを示します。



この電子ブックでは、開発者がなぜマルチパスやオブスキュレーションのテストで、よりリアルな環境が必要かを掘り下げて解説します。

都市環境におけるGNSS信号の伝播をシミュレーションする方法

トレーニングのハイライト

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.

Should you test against GNSS segment errors? This blog explores the types, frequency, and impact on users of satellite system errors, and looks at what developers can do to protect their customers.

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

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テストプログラムの高速化

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Spirentのラーニングカーブを加速させます。

PNTテストと開発のリーダーが提供するトレーニングサービスを利用して、チームのスキルアップを迅速に行います。詳細はこちら 

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