Ultra Wideband Two-Way Time-of-Flight distance measurement Provides Sub-Centimeter range measurement accuracy

Wireless distance measurement technologies are an increasingly important technology. This is especially true where GPS is not available. Furthermore, high accuracy measurements are critical for in-building applications such as autonomous robotic navigation. In these cases, users are requiring ever greater levels of accuracy. This abstract describes how Ultra Wideband (UWB) Two-Way Time-of-Flight has been used to achieve sub-centimeter accuracy. These tests indicate that millimeter accuracy is also possible.