u-blox has improved its GPS dead reckoning system by integrating a gyroscope sensor from Epson Toyocom, a designer and manufacturer of crystal-based electronic products, into the reference design for the product.
The reference design is intended to shorten time-to-market and reduce the risk of GPS integration for applications that require accurate, uninterrupted positioning regardless of GPS signal conditions.
u-blox' dead reckoning solution, powered by the LEA-4R dead reckoning GPS module, is ideal for applications that require continuous positioning such as vehicle navigation, fleet management and toll systems. An odometer calculates distance travelled and a gyroscope determines turn rate. This data supplements the GPS data to provide continuous positioning in tunnels, indoor parking facilities, urban canyons and other environments in which it may be difficult to obtain a GPS satellite signal.
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