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Bluetooth SIG Proprietary and Condential 1
Bluetooth 5
Go Faster. Go Further.
Bluetooth
®
5 is a transformative update that signicantly increases
the range, speed, and broadcast messaging capacity of Bluetooth
applications and makes use cases in smart home automation,
enterprise, and industrial markets a reality.

Bluetooth SIG Proprietary and Condential 2
Bluetooth 5 / Go Faster. Go Further.
table of
contents
Contributors
Martin Woolley
Author
Sarah Schmidt
Graphic Designer
1.0 Introduction ................................4
2.0 A Choice of Three PHYs .......................6
2.1 The PHYsical Layer 7
2.2 LE 1M 7
3.0 LE 2M-Double The Speed ......................8
3.1 Factors Behind the Introduction of LE 2M 9
3.2 Technical Aspects of LE 2M 9
4.0 4x Range ...................................10
4.1 Range and Bluetooth 4 11
4.2 Why Increase the Range of Bluetooth? 11
4.3 The LE Coded PHY 11
4.4 Dealing with Errors 12
4.5 Error Detection 12
4.6 Error Correction 13
5.0 PHY Selection ...............................14
5.1 Changing the Current PHY 15

Bluetooth SIG Proprietary and Condential 3
Bluetooth 5 / Go Faster. Go Further.
table of
contents
5.0 PHY Selection (cont.) .........................14
5.2 Comparing the Three PHYs 15
6.0 Advertising Extensions ........................16
6.1 Advertising in Bluetooth 4 17
6.2 Bluetooth 5 Advertising Extensions in Summary 17
6.3 Larger Packets and Advertising
Channel Ooad 17
6.4 Advertising Packet Chaining 18
6.5 Advertising Sets 18
6.6 Reduced Contention and Duty Cycle 18
6.7 High Duty Cycle Non-Connectable Advertising 19
7.0 Slot Availability Masks ........................20
8.0 Improved Frequency Hopping ..................22
9.0 The Signicance of Bluetooth 5 .................24

Bluetooth SIG Proprietary and Condential 5
Bluetooth 5 / Go Faster. Go Further. back to contents
1.0 Introduction
According to a paper by Goldman Sachs, in the 1990s
there were approximately 1 billion devices connected to
the internet. In the 2000s, the age of the smartphone, this
gure rose to 2 billion. ABI Research now forecasts that
by 2021 there will be 48 billion devices connected to the
internet, in what we’re likely to term the age of the IoT. Of
those 48 billion devices, 30% are forecasted to include
Bluetooth technology.
This is no coincidence. Bluetooth Low Energy (LE) has
been actively evolved to make it a key enabler of the
Internet of Things (IoT), focusing on the edge tier of IoT
systems. Bluetooth 5 brings some major advances to the
technology and makes it ideal for an even broader range
of IoT scenarios.
In this paper, we will present and explore the key
advances in Bluetooth 5.
BILLION
devices will be connected to the
internet by the year 2021 — of
those, 30% are forecasted to
include Bluetooth technology.
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