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Spirent unveils SimSENSOR, combining GNSS and inertial MEMS

Posted: 26 Jul 2012 ?? ?Print Version ?Bookmark and Share

Keywords:multiGNSS? inertial MEMS sensor? sensor fusion?

Spirent Communications has launched its new simulation software which combines inertial MEMS sensor with multiGNSS (GPS, GLONASS, etc.) testing. The company has hinted in that direction during a meeting with GPS Business News at the Mobile World Congress last February.

SimSENSOR, the new software, works in tandem with Spirent's multiGNSS constellation simulators by simulating MEMS sensor outputs on a common trajectory with the simulated GNSS signals.

Spirent Communications' SimSENSOR

SimSENSOR includes trajectories that embed representative human motion gestures, such as arm movements. In addiiton MEMS noise models and errors such as bias and drift are also available under user control.

The software can test fusion algorithms that take inputs from a large variety of sensors, including accelerometers, gyroscope, magnetometer, digital compass and barometric height sensors.

Rahul Gupta, a product manager with Spirent, stated that 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 that supports this new trend. It will also help to extend Spirent's leadership in testing hybrid positioning technologies in mobile devices.

This technology is based on previous work done by Spirent in this area. Five years ago Spirent had launched SimINERTIAL to test inertial navigation systems involving high grade GPS/inertial units suitable for military applications.

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