Bluetooth IoT SW improves location accuracy to sub-1-metre

January 29, 2019 //By Julien Happich
Bluetooth IoT SW improves location accuracy to sub-1-metre
Silicon Labs has released new Bluetooth software for its Wireless Gecko portfolio, leveraging the new direction finding feature added to Bluetooth in version 5.1 of the Bluetooth Core Specification to enhance location-based services, such as indoor navigation, asset tracking, space utilization and point-of-interest engagement.

The new feature supports multiple methods for determining signal direction including angle-of-arrival (AoA) and angle-of-departure (AoD), and Silicon Labs’ implementation of the new Bluetooth feature enables detection of signal direction within 5 degrees. To date, Bluetooth asset tracking and indoor positioning solutions have typically provided location accuracy within a range of 3-4 meters.

With the Silicon Labs Bluetooth 5.1 solution, developers can create products that improve location accuracy down to the sub-1-metre level, opening the door to applications previously not possible.

Bluetooth 5.1 also helps developers reduce power consumption with sleep clock accuracy updates, improve smart home connection performance using GATT caching functionality and optimize beaconing for Bluetooth mesh in crowded RF environments with the advertisement channel index feature.

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