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In this video, you will see step‑by‑step how Bluetooth® Channel Sounding works using NXP’s Rate2 distance‑estimation solution. Performing the demonstration includes a computer with VS Code, the MCUXpresso extension and toolchains installed, a FRDM‑MCXW72 development board and a smartphone running the BLE Hero application. Bluetooth Channel Sounding uses phase‑based ranging (PBR) and round‑trip timing (RTT) techniques to enable secure, accurate distance measurement, supporting proximity and localization use cases such as access systems (like smart keys) and asset tracking.
This presentation walks you through importing the MCUXpresso SDK, updating the device’s narrowband unit (NBU) radio core, loading the localization example, flashing the firmware onto the FRDM‑MCXW72, and taking distance measurements using the BLE Hero app while adjusting configurations in real time.
Explore how Bluetooth Channel Sounding delivers precise, secure ranging for Bluetooth designs.
Please view Part 2 to explore Bluetooth Channel Sounding with two FRDM-MCXW72 boards.