Silicon Labs has released new Bluetooth software for its Wireless Gecko portfolio, adding support for the direction finding feature added to Bluetooth in version 5.1 of the core specification. This will allow Silicon Labs’ commercial, industrial and retail customers to enhance their location-based services, such as indoor navigation, asset tracking, space utilisation and point-of-interest engagement.
The new direction finding feature added to Bluetooth supports multiple methods for determining signal direction, including angle-of-arrival (AoA) and angle-of-departure (AoD), and Silicon Labs’ implementation of the feature enables detection of signal direction to within five degrees.
To date, Bluetooth asset tracking and indoor positioning solutions have typically provided location accuracy within a range of three to four metres, but this solution will allow developers to create products that improve location accuracy down to the sub-1-metre level, opening the door to applications previously not possible.
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