Explore the groundbreaking advancements in Bluetooth technology for location services and direction finding in this 35-minute conference talk by Martin Woolley from Bluetooth SIG. Delve into the new capabilities introduced in 2019, enabling precise direction calculation of Bluetooth signals using Angle of Arrival (AoA) or Angle of Departure (AoD) methods. Discover how these innovations enhance proximity applications, Point of Interest systems, and key finders with centimeter-level accuracy. Gain insights into the physics of radio waves and the intricacies of the Bluetooth protocol stack. Learn about Real Time Locating Systems (RTLS) and Way Finding applications that leverage this technology for unprecedented precision. Understand the limitations, trade-offs, and practical implementations of these features, including IQ sampling, frequency hopping, and Constant Tone Extension (CTE). Explore real-world examples and discover resources for further learning in this comprehensive overview of Bluetooth's latest location and direction-finding capabilities. Read more