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Advantech, Bosch, Broadcom, Denso, DGE Inc., Fujitsu Micro., Garmin, Kongsburg Seatex AS, Intel, LGS Innovations, MSL Circuits, Nav N Go, Nokia, RIM, Road Angel, Roke Manor Research, Samsung, ST-Ericsson, LE Communications Co Ltd, Telefonica, Thales Aleania Space, ...
More and more manufacturers are now using record and replay technology to test GNSS applications. Our mini case study series offers an insight into the experience of how companies are using LabSat to test their GPS products.
DGE are experts in developing electronic control modules, telematics integration and validation services. When they were commissioned by a major automotive manufacturer to develop a tool to enable vehicle telematics to be tested without needing to physically perform tests on the road, they needed a GPS Simulator they could trust.
The Michigan USA based company required a GPS simulation device that could integrate with their system tester to evaluate telematics control units in a controlled environment. Previously using more expensive systems, DGE chose LabSat devices to record and replay GPS and CAN signal data.
Impressed by LabSat’s ability to drastically reduce testing time, DGE have now placed orders for ten LabSat devices.
Selling a unique application obviously has its benefits, but it can also have its downsides. If nobody else is developing the same technology you have to be the first to develop, test and implement these systems. MSL Circuits, a French based manufacturer who specialise in electronic sub-contracting, faced this problem when producing a new Eco-Tax navigation device.
This case study provides an insight into how MSL Circuits have utilized LabSat Record and Replay to test a device which integrates GPS, GSM and DSRC technology.
What was the requirement for MSL Circuits?
Having developed electronic systems for the automotive industry for over 20 years from their location in the Loire Valley, MSL Circuits needed a simple but reliable production test for every Eco-Tax GPS device. With 20,000 units a month, the testing method needed to be quick and effective.
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For Road Angel, the market leader in GPS safety camera and black spot locators based in Silverstone, UK, it is vital that their products work 100% of the time – or risk complaints from customers who claim that their device failed to warn them of speed cameras.
Previously, Road Angel's technicians had to individually test units by driving past known speed camera locations and identifying the units which failed to activate, indicating a malfunction in the GPS system. Because this method required a vehicle and driver, it was time consuming, expensive, and only provided subjective reporting of errors.
Road Angel were looking for a way to test devices in live sky conditions, without having to manually test them in the field, and they chose LabSat.
Richard Meechan, Development Director, Road Angel:
"In just two weeks, LabSat saved us over six thousand hours of testing of our new Vantage GPRS connected speed camera locator. We can now bring products and features to market far sooner than before, backed up with the confidence of objective test results, whilst hardly needing to leave the office!"
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Roke Manor Research
Roke Manor Research, the company behind numerous inventions in mobile communications, aviation, and defence, has recently taken delivery of a record and replay LabSat system in order to test their GPS devices.
With laboratories located in the grounds of a manor house near Southampton, UK, Roke's past innovations are as diverse as 'HawkEye', a sensor system which tracks the flight of a tennis ball and revolutionised television coverage; up to 'HALO', an acoustic locator of guns and mortars, designed to detect cease-fire violations in the former Yugoslavia.
This requirement for fast and accurate testing made the ability of LabSat to record and replay real world GPS scenarios for GPS device development useful in a variety of applications.
Guidance Limited, who design and build sensor systems for a variety of industrial applications, have recently taken delivery of a LabSat to aid in the development of their electronic GPS tagging system for offender monitoring.
Taking the form of a specially fitted ankle tag linked to a monitoring unit, the product gives criminal justice authorities a valuable and versatile way of safely monitoring offenders who are on parole, or under curfew in their homes. The device enables a subject's movements to be tracked 24 hours a day, using GPS.
Aled Hughes, Project Manager at Guidance Monitoring
"LabSat was the ideal solution for Guidance, as it enables us to verify the performance and accuracy of the new units, complete with GPS multipath effects and real-world situations. LabSat then enables us to create a set of pre-recorded tests for the production team to use, providing a consistent test for each unit prior to dispatch."