Developers Guide for Direction Finding Solutions#

These pages provide details on developing and debugging Bluetooth Direction Finding applications. Content includes:

• Application Development with Silicon Labs' RTL Library: Describes the sample applications provided to demonstrate the direction finding capabilities of Bluetooth 5.1. Angle of Arrival (AoA) estimation is demonstrated with the use of Silicon Labs' Real Time Locating (RTL) library.

• Custom Direction-Finding Solutions using Silicon Labs' Bluetooth Stack: Bluetooth 5.1 makes it possible to send Constant Tone Extensions (CTEs) in Bluetooth packets on which phase measurements can be done. This guide is for those implementing custom applications that take advantage of phase measurement and antenna-switching capabilities.

• Using the Bluetooth Direction Finding Tool Suite: The Bluetooth Direction Finding Tool Suite is meant to ease development with the Silicon Labs' RTL library. It provides multiple tools to configure the system, and also helps the development with analyzer tools that calculate many output parameters from the observed IQ samples.

• Antenna Array Design Guidelines for Direction Finding: Provides hardware design guidelines specific to the antenna arrays required for direction finding implementations.