u-blox Expands Family of Automotive Dead Reckoning GPS Receivers
November 1, 2011u-blox, the Swiss positioning and wireless chip and module company, announces the immediate availability of two new products equipped with u-blox’ industry leading Automotive Dead Reckoning (ADR) technology. Based on u-blox’ tightly-coupled Kalman Filter algorithm, the NEO-6V GPS module and UBX-G6010-SA-DR single-chip deliver drop-in, self-calibrating GPS dead reckoning performance for high-precision vehicle navigation systems.
ADR enables highly accurate positioning in areas of weak or no GPS satellite reception such as within tunnels and park houses. The products are designed for first-mount as well as after-market navigation systems. Automotive and standard-grade versions are supported.
“u-blox is already the supplier of choice for the first-mount in-car navigation market worldwide. These two new products strengthen our Automotive Dead Reckoning GPS receiver family to include cost-efficient, ROM-based components that connect directly to the vehicle data bus and external sensors. The result is a consistent, off-the-shelf Dead Reckoning solution that, after host initialization, self-calibrates to correct for varying driving conditions such as summer vs. winter tires or changes in tire pressure without requiring hardware or firmware customization,” said Thomas Nigg, Vice President of Product Marketing at u-blox.
With u-blox' ADR, the same component can be used in virtually every sensor combination, such as inputs from two front, two rear, or all four wheels, u-blox said. Both gyro and wheel tick operation are supported.
When GPS satellites are out of sight such as within tunnels, ADR extrapolates position based on distance and angle information provided by vehicle sensors. This results in accurate positioning even when the GPS signal is impaired or absent, u-blox said. ADR not only allows full coverage in indoor car parks, tunnels, and underpasses, but also effectively eliminates the impact of multipath effects in urban canyon environments.
For more information about u-blox’ ADR technology, visit the u-blox ADR webpage.
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