2. WHO WE ARE
& WHAT WE DO
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3. WHO WE ARE
A world leader in
technology and product
innovation
Established out of Cambridge
University UK in 1960
~ 380 scientists and designers
in Cambridge, UK and 30 in
Cambridge MA, USA
For clients worldwide, we
– develop breakthrough
products
– create and license
intellectual property
– provide business
consulting in
technology-critical
issues
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4. WHO WE ARE
You may not know us..
…but you are probably familiar
with some of our work
The world’s first
digital fertility
monitor
Handheld satellite
phone technology
for Iridium
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First ever singlechip Bluetooth
solution, now found
in 7 out of 10 cell
phones worldwide
Spun out Cambridge
Silicon Radio (CSR)
Continua Compliant
Bluetooth devices for
A&D Medical.
Designed & helped
manufacture the first
round tea bag,
helping client increase
market share by 30%
The first cellular
patient monitor (in
WMTS) for Philips.
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5. WHAT WE DO
We work for clients in a diverse range of sectors
Medical
technologies
|
Industrial and
| consumer products |
Wireless
Healthcare and
innovation mgmt
Our clients range from global blue chips to dynamic start-ups
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7. DIGITAL HEALTH
A Quantified Self
Several different terms are
being used but regardless,
digital health is about
quantifying one’s-self, and an
attempt to engage (“connect”)
an individual with his/her self &
his/her circle in a seamless
manner
Telehealth
Digital Health
Health &
Wellness
eHealth
QUANTIFIED
SELF
Connected
Health
Telemedicine
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mHealth
Health 2.0
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8. DIGITAL HEALTH
The Health Continuum
Optimizing
care delivery
Acute care
monitoring
Solutions must be targeted
depending on whether the
quantified self is applied to:
A professional athlete
A fitness freak or the worried
well
A healthy individual
An individual with chronic
disease
Or a patient in hospital or
clinic,
Chronic disease Preventive
Management
care
Well
being
Sports &
fitness
THE QUANTIFIED SELF
However, they can & must
leverage similarities across the
Health Continuum
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9. DIGITAL HEALTH
Solutions for the Health
Continuum
Optimizing
care delivery
Acute care
monitoring
Chronic disease Preventive
Management
care
Well
being
Sports &
fitness
THE QUANTIFIED SELF
Three primary categories in
which solutions are required.
SERVICES
They require a very similar set of
skills complemented by specific
domain expertise.
DEVICES
APPS
DOMAIN EXPERTISE
STRATEGY
EXPERIENCE DESIGN
SENSOR DESIGN
ALGORITHMS
WIRELESS TECHNOLOGIES
PRODUCT DEVELOPMENT
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11. There are many ways to communicate between an app and a device
QR codes / Computer Vision
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12. There are many ways to communicate between an app and a device
QR codes / Computer Vision
NFC
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13. There are many ways to communicate between an app and a device
QR codes / Computer Vision
NFC
Audio / headphone jack
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14. There are many ways to communicate between an app and a device
QR codes / Computer Vision
NFC
Audio / headphone jack
Wired connector
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15. There are many ways to communicate between an app and a device
QR codes / Computer Vision
NFC
Audio / headphone jack
Wired connector
Bluetooth, WiFi
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16. There are many ways to communicate between an app and a device
QR codes / Computer Vision
NFC
Audio / headphone jack
Wired connector
Bluetooth, WiFi
Bluetooth Smart
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17. There are many ways to communicate between an app and a device
QR codes / Computer Vision
NFC
Audio / headphone jack
Wired connector
Bluetooth, WiFi
Bluetooth Smart
Understanding your requirements is important when selecting the technology
– Use cases
– Simplicity
– Size
– Cost
– Attachment rate
– Lifetime
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18. There are many phones to connect to
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20. Bluetooth Smart is a low power variant of Bluetooth
Other low power radios exist – so what’s special about
Bluetooth Smart?
It’s performance is similar to other technologies:
– ANT+
– Zigbee
Bluetooth is in phones!
– In November 2011 Apple included Bluetooth Smart
in the iPhone 4S
– By 2012 750M phones were Bluetooth Smart
ready (although Smart ready is not Smart)
– That’s pretty much all smart phones
– Both Apple and Android (*) fully support Bluetooth
Smart
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21. Bluetooth Smart offers unprecedented flexibility in creating new devices
Previously devices were constrained to particular use cases
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22. Bluetooth Smart offers unprecedented flexibility in creating new devices
Previously devices were constrained to particular use cases
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23. Bluetooth Smart offers unprecedented flexibility in creating new devices
Previously devices were constrained to particular use cases
Developers can now create their own use case
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24. Bluetooth Smart offers unprecedented flexibility in creating new devices
Previously devices were constrained to particular use cases
Developers can now create their own use case
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25. Bluetooth Smart offers unprecedented flexibility in creating new devices
Previously devices were constrained to particular use cases
Developers can now create their own use case
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26. Bluetooth Smart is attractive for a number of reasons
Makes connectivity a low marginal cost increase to electronic
devices
Benefits are valuable enough to consider adding connectivity to
products that have never contained electronics
Removes the need for partner device development
– Handheld devices
– Hubs
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27. Bluetooth Smart devices are truly connected
All our enquiries are for devices that fit within this
architecture
This enables system features that cannot be implemented
on the device alone
This means that the device must be considered within the
context of the system
Cloud service
App
Device
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29. Technology architecture
A phone can connect to multiple peripherals
A peripheral can connect to only one phone
Pairing is used to associate and secure devices
Standard is based around profiles
– Blood pressure profile
– Glucose profile
– Battery service
– Find me profile
You can also develop custom profiles
Data rates are modest but workable
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30. Bluetooth Smart chips can provide a standalone solution
You can put application code on them
They have general purpose features
– Analog and digital IO
– I2C/SPI
– Power management
They are designed to run from a single coin cell battery
There is a healthy competition amongst chipset companies
– Latest parts tend to be the best
– Some trade off power for range
– Different companies have different support models
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31. Bluetooth management
Bluetooth Special Interest Group (SIG) manage the
technology
– License technology to members
– Define standards
– Police compliance
To bring a Bluetooth product to market you need to:
– Join the SIG
– Design to their standards
– Show compliance against test suite
Manufacturers can self certify
– Aim is to keep barriers low to increase adoption
Modules can help to simplify the process
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32. Fragmentation is a problem on Android
Android
– Fragmentation of versions and
hardware
– Variable tech attachment rates
– Limited visibility of upcoming features,
but a slow roll out of new features
– Jelly bean - July 2012
– ICS – October 2011
Apple
– Good roll out of new OS’s
– 58.3% of iDevices updated to iOS 7
within a week
– Good developer info
– Lower market share
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33. The app sandbox on phones constrains solutions
The core OS controls most of the phone
It determines how and when your app can run
It determines which parts of the phone you can control
Profile
Service
Characteristic
You only get access to parts of the radio
The OS manages how the different radios share resources
These constraints can have a big impact on your device
GATT
ATT
L2CAP
HCI
LC/LM
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34. Example – connection setup
Imagine a device that generates data
every few minutes and sends it to a
phone
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35. Example – connection setup
Bluetooth Smart radio power
budget to transfer one data
packet
Imagine a device that generates data
every few minutes and sends it to a
phone
This is how the device will spend it’s
power
The connecting power can be altered
by varying a parameter
Handshake
19%
Data
transfer
1%
Connecting
80%
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36. Average Number of Attempts to
Connect
There is a sweet spot for minimising the power to connect
40
37
35
30
24
25
22
+85%
24
20
20
10
0
20
30
40
50
60
70
80
Advertising Interval (ms)
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37. There is a sweet spot for minimising the power to connect
This is the difference between
a user getting 20 days of
battery life and getting a
month
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38. Average Number of Attempts to
Connect
The sweet spot changes between OS versions
50
40
OS vA
OS vB
40
37
3535
+35%
29
24
30
25
22
26
22
26
24
60
70
27
20
20
10
0
20
30
40
50
80
Advertising Interval (ms)
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39. Average Number of Attempts to
Connect
Other OS’s behave in the same way
30
22
20
15
15
13
+175%
10
10
9
8
70
80
0
20
30
40
50
60
Advertising Interval (ms)
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44. For further information contact:
Robert Milner, Senior Consultant - Wireless Division
robert.milner@cambridgeconsultants.com
Vaishali Kamat, Associate Director - Medical Technology
vaishali.kamat@cambridgeconsultants.com
Tim Ensor, Business Development Manager - Wireless Division
tim.ensor@cambridgeconsultants.com
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