Location services accuracy increased 3X with Bluetooth 5.1 direction finding

January 29, 2019 //By Ally Winning
Location services accuracy increased 3X with Bluetooth 5.1 direction finding
Silicon Labs has updated its Bluetooth software for the company's Wireless Gecko portfolio to allow enhanced location-based services using the direction finding feature added in version 5.1 of the Bluetooth Core Specification.

The new direction-finding feature added in version 5.1 allows devices to determine the direction of a Bluetooth signal by using multiple techniques, including angle-of-arrival (AoA) and angle-of-departure (AoD). Silicon Labs’ implementation of the feature enables signal direction detection within 5 degrees. Until now, Bluetooth asset tracking and indoor positioning solutions normally have a location accuracy within 3-4 meters. Silicon Labs Bluetooth 5.1 solution improves location accuracy down to under one meter.

Silicon Labs’ direction finding software, including support for AoA, is available through the Silicon Labs Simplicity Studio development kit.

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