The Bluetooth Special Interest Group has officially unveiled the new Bluetooth 6.0 version, which comes with new upgrades, including device tracking, energy efficiency, and data transmission improvements. The latest version of Bluetooth will soon be available on smartphones, computers, and other consumer tech products. Here are the details.
Bluetooth 6.0: What’s New?
The Bluetooth Core Specification version 6.0, simply known as Bluetooth 6.0, gets six significant upgrades. The most significant improvement is increased accuracy in distance awareness, which measures the distance between two Bluetooth-enabled devices.
This improves the accuracy of features like ‘Find My Device’, which helps users recover their misplaced or stolen gadgets. Here’s everything new with Bluetooth 6.0:
Bluetooth Channel Sounding
Bluetooth Channel Sounding has been introduced in Bluetooth 6.0. It uses a modern Angle of Arrival (AoA) and Angle of Direction (AoD) signal transmission technique to help accurately locate the device’s position.
In previous versions, Bluetooth signals were transmitted using typical radio emission techniques, which made it difficult to trace a device accurately. The new channel sounding method also reduces the path loss, meaning the signals will remain strong, even over longer distances.
Bluetooth Channel Sounding will significantly improve the accuracy of devices like Bluetooth Trackers and the Find My Device function on Android, iOS, and other operating systems. It also reduces the technology’s overall power consumption, as the signals are now transmitted in a more regulated manner.
Decision-based Advertising Filtering
The Bluetooth Low Energy Extended Advertising feature uses primary and secondary radio channels to transmit data. The new Decision-based Advertising Filtering now allows a device to scan the contents of a received packet to decide whether the signals should be transmitted over the primary or secondary channel.
This will improve the scanning efficiency of Bluetooth devices, as communication between two gadgets will now be quicker. However, the implementation may vary by OEM.
Monitoring Advertisers
Bluetooth 6.0 can now filter out duplicate packets. It instructs the Bluetooth LE controller to receive only a single advertising packet from each unique device. This will help devices determine when a specific gadget goes out of Bluetooth connectivity range.
ISOAL Enhancement
The Isochronous Adaption Layer (ISOAL) helps to transfer larger data frames in smaller link-layer packets. While this improves the accuracy of data transmission, it also increases the latency to some extent. Bluetooth 6.0 now comes with enhanced ISOAL by using a new framing mode. It reduces the overall latency while keeping all the core benefits of ISOAL.
LL Extended Feature Set
Bluetooth 6.0 devices can seamlessly exchange information about link-layer features that they support. This helps devices keep communication only for standard technologies supported on both ends. Since the number of Bluetooth LE devices is increasing, the new LL Extended Feature Set brings a new versatility for devices to communicate with each other while consuming less energy.
Frame Space Update
Bluetooth 6.0 has a variable constant time value to help separate adjacent packet transmissions. In simple words, devices can now use different time intervals depending on the type of data transmitted. Hence, if the requirement is less, devices will not have to keep the communication link active for low-bandwidth transmission. This improves the overall efficiency of Bluetooth wireless transmission.
Bluetooth 6.0 technology is expected to be implemented across smartphones, wireless audio products such as TWS earbuds and headphones, computers, laptops, and other devices. The technology is backwards compatible, meaning it will easily pair and function with older versions of Bluetooth.
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