The high-frequency, broad-spectrum properties of the UWB (ultra-wide bandwidth) communications protocol enable very accurate, e.g., millimeter-level, spatial and directional localization of devices. The high-precision localization ability of UWB enables fine-grained interactions with devices, e.g., the ability to send commands to specific devices when multiple devices are present in a space. This disclosure describes techniques to bootstrap precise positioning on non-UWB devices, such that UWB-style, fine-grained interactions are enabled even on non-UWB devices. The techniques leverage the presence of two or more UWB-enabled devices, e.g., one on a stationary device and another on a wearable device (or other non-stationary device), to precisely locate non-UWB devices.
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Faaborg, Alexander James and Komoroske, Alex, "Position Localization for Non Ultra-wideband Devices", Technical Disclosure Commons, (May 05, 2021)