| | Dead Reckoning GPS
100% Coverage
- Absolute GPS position fix is required as starting point
- Incremental Calculation of next points using e.g.
- Distance traveled
- Turn rate (angular change)
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Dead Reckoning enables 100% road coverage. GPS positioning information is supplemented by heading and distance data provided by additional sensors. These sensors can be electrically connected to the GPS receiver, or the sensor readings can be obtained through the vehicle data bus. When satellites are out of sight, GPS location is extrapolated using distance and angle information from the sensors. This results in accurate positioning even when the GPS signal is impaired or absent. Dead Reckoning 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.
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