GPS Press Releases

07/17/2012 - Spirent Announces Test System for Hybrid Sensor Fusion for Indoor Positioning


New solution is designed for performance testing of algorithms that combine GNSS and MEMS

Paignton, United Kingdom — (July 17, 2012) — Spirent Communications, the leader in testing positioning, navigation and communications technologies, today announced the launch of its new SimSENSOR MEMS (Micro-Electro-Mechanical Systems) sensor simulation software. SimSENSOR is targeted at the R&D environment and enables performance testing of sensor fusion algorithms in navigation systems that include MEMS inertial sensors and multi-GNSS.

SimSENSOR works in tandem with Spirent's multi-GNSS constellation simulators by simulating MEMS sensor outputs on a common trajectory with the simulated GNSS signals. Trajectories that include representative human motion gestures, such as arm movements, are included with SimSENSOR. The ability to test fusion algorithms that take inputs from a wide variety of sensors is supported, including accelerometers, gyroscope, magnetometer, digital compass and barometric height sensors. Representative MEMS noise models and errors such as bias and drift are also included and are available under user control.

"SimSENSOR is designed for customers who want to optimise sensor fusion architectures," said Rahul Gupta, product manager with Spirent's Positioning Technology business. "Sensor fusion is increasingly being used to enable a wide range of applications including indoor positioning. SimSENSOR is a unique tool for accelerated, lab-based R&D in support of this ground-breaking work. It will also help to extend Spirent’s leadership in testing hybrid positioning technologies in mobile devices."

Spirent has extensive experience of test systems for blended GPS-inertial technology. In 2007 Spirent launched SimINERTIAL to test inertial navigation systems involving high grade GPS/inertial units suitable for military applications. SimSENSOR benefits from the experience gained by Spirent, in particular in relation to ensuring coherency and stability between GNSS and simulated sensor output streams.

SimSENSOR is now available for order. For more information on Spirent's SimSENSOR MEMS sensor simulation software, visit our website www.spirent.com/Solutions-Directory/SimSENSOR

About Spirent Communications plc
Spirent Communications plc. (LSE: SPT), a global leader in test & measurement, inspires innovation within development labs, networks and IT organizations to enable customers to deploy communications networks, services & applications, and devices that enrich life. Our extensive portfolio of solutions test data centers, high speed Ethernet networks and services, 3G/4G wireless networks and devices, network security, and global navigation satellite systems. With solutions used by more than 1,700 customers in 30 countries, the world’s largest equipment manufacturers, service providers, enterprise and governments rely daily on Spirent to help ensure their success. Based in Sunnyvale, CA, Spirent Communications has 1,300 employees worldwide.

Spirent Communications plc Ordinary shares are traded on the London Stock Exchange (ticker: SPT). The Company operates a Level 1 American Depositary Receipt ("ADR") program with each ADR representing four Spirent Communications plc Ordinary shares. The ADRs trade in the US over-the-counter ("OTC") market under the symbol SPMYY and the CUSIP number is 84856M209. Spirent Communications' sales to the United States government are made through Spirent Federal Systems Inc (www.spirentfederal.com).

Spirent, Spirent Communications and the Spirent logo are trademarks or registered trademarks of Spirent Communications plc. All other trademarks or registered trademarks mentioned herein are held by their respective companies. All rights reserved.

This document may contain forward-looking statements which are made in good faith and are based on current expectations or beliefs, as well as assumptions about future events. You can sometimes, but not always, identify these statements by the use of a date in the future or such words as "will", "anticipate", "estimate", "expect", "project", "intend", "plan", "should", "may", "assume" and other similar words. By their nature, forward-looking statements are inherently predictive and speculative and involve risk and uncertainty because they relate to events and depend on circumstances that will occur in the future. You should not place undue reliance on these forward-looking statements, which are not a guarantee of future performance and are subject to factors that could cause our actual results to differ materially from those expressed or implied by these statements. The Company undertakes no obligation to update any forward-looking statements contained in this document, whether as a result of new information, future events or otherwise.





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