Sensor-based GPS receiver for dead reckoning positioning

24 March 2004 Telecoms, Datacoms, Wireless, IoT Products & Solutions

u-blox, a provider of GPS-based positioning technology, has added the TIM-LR GPS receiver macro component to its product portfolio of sensor-based GPS receivers. This product enables fully functional dead reckoning GPS solutions on a small footprint.

The GPS receiver containing the ANTARIS GPS positioning engine provides full dead reckoning functionality in a 25,4 x 25,4 mm footprint. This allows a highly compact GPS solution with dead reckoning using signals from a turn rate sensor (gyroscope) and odometer pulses.

It provides uninterrupted navigation performance under dynamic conditions in difficult urban areas with severe obstructions of the sky view, for example urban canyons between high-rise buildings, tunnels, underpasses, parkways with dense foliage, parking garages and covered driveways. In areas with no view to satellites, the positions are incrementally calculated from the travelled distance and measured heading. Once the satellites are visible again, the GPS receiver with its fast reacquisition time resumes GPS navigation immediately.

Like the TIM-LP, -LF and -LC models, the TIM-LR is powered by the 16-channel, low-power ANTARIS chipset and has: 2,5 m CEP accuracy, 34 second cold start, 3,5 second hot start, WAAS/EGNOS support and high sensitivity reaching -150 dBm.

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