Bluetooth is one of popular wireless
technology that can transfer data over a short distance between the devices. There
are several versions of Bluetooth can be found. The latest version of the
Bluetooth is Bluetooth 5. It was officially introduced in London on 16 June
2016 to the world.
Main features of Bluetooth 5
When we are dealing with wireless technology,
there are some main properties that we might consider. Speed, compatibility,
range, signal strength and power consumption are some of them. Let’s identify
the main features of Bluetooth 5.
§ Speed – Speed has been doubled in this new Bluetooth
version compared to its predecessor (4.2). Currently the 4.0 version and
upwards provides theoretical data transfer speeds of up to 25 Mbit/s. In this
new version we can transfer 50 Mbit/s theoretically. By doubling the amount of
data that devices can transfer, Bluetooth 5.0 reduces the time required for
transmitting and receiving data.
§ Range – This is one of the most important
thing in new version. the present Bluetooth 4.2 version have a range of 60m. The
new technology will increase this range up to 240m with 4X range.
§ Broadcasting channel improvements – Up to 8x
the broadcasting message capacity over Bluetooth 4.2, with support for larger
data packets: 31-octet to 255-octet packages. Bluetooth 5 has the ability to
offload advertising date from the 3 advertising channels to up to 37
broadcasting channels. More efficient use of broadcasting channels on the
increasingly crowded 2.4 GHz band, with less broadcast time required for
completion of tasks, opens the way for richer connectionless, beacon-based
§ Adoption of Beacon devices – Beacons are small wireless devices that are
fitted into Bluetooth 5 which constantly transmit radio waves. Beacons devices
decrease the chances of poor connection.
§ Power requirement – Bluetooth 5 require low
power to operate when compared with Bluetooth 4.0. The new features and
benefits of Bluetooth 5.0 are designed specifically for Bluetooth with low
§ IoT capabilities – Since speed, range, low
power consumption etc., Bluetooth 5 is highly recommended for IoT.
Comparison with other
versions of Bluetooth
There are number of Bluetooth versions which all are
being developed to meet the particular requirements of the time. They come with
different specifications to offer different options to the users.
Data Rate (EDR)
Availability Masking (SAM)
v1.0 and v1.0B
slow maximum data of 1Mbps
Bluetooth 2.0 + EDR
Bluetooth 2.1 + EDR
Bluetooth 3.0 + HS
Bluetooth 4.0/4.2 + LE
What are the new
possibilities for IoT in Bluetooth 5?
Bluetooth 5 has been designed to offer a wide
range of enhancements such as longer range, higher speed and extended support
for connectionless services. This is a significant upgrade over today’s
Bluetooth 4.2 technology and will open new IoT applications for the smart IoT
environment. The new standard specifies modes with four times the range of
existing devices by reducing the data rate to allow more sensors to be used
reliably around the IoT environment. This range not only allows more distance
between a controller and a sensor, but also provides a stronger link for the
end devices. It also allows for twice the data rate to 2Mbps to allow for
higher quality audio streaming from monitors or to wireless speakers to improve
the user experience.
With the launch of Bluetooth 5, Bluetooth
technology going to be the best connector between IoT devices. In doing so, it
is fundamentally changing how the ‘things’ of the IoT will work together, as
well as which technologies can be used within it, particularly beacons. That
means connections taken into public spaces, large buildings and workplaces,
with massive data and information (such as location) transmitted between
connected devices. These connections will make the IoT and wireless
connectivity a workable solution for companies in enterprise industry and
automation. Part of this future of the IoT is the key of beacons, as well as
bigger ideas for what they can do – such as wearables and personal technology
relaying data faster.
with Bluetooth 5, a series of beacons can be
placed in a house, joining traditionally paired devices, to activate the
lights, heating and even the stereo when the owner arrives at the front door.
All controlled through the smartphones, tablets and computers people own today.