ultra-low-power, general-purpose wireless sensing platform
TRANSCRIPT
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SNUPISensor Network Utilizing Powerline Infrastructure
Gabe CohnResearcher
Co-Founder of SNUPI Technologies
2013 ACEEE Hot Water Forum
Nov. 5, 2013
Ultra-Low-Power, General-Purpose Wireless Sensing Platform
ubicomp labuniversity of washington
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S
N
U
P
I
ensor
etwork
tilizing
owerline
nfrastructure
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hard to maintaineasy to deploy
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hard to maintain
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Increase Battery Life
5
not practicalreduce power
consumption
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Power / Range Tradeoff
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Power / Range Tradeoff
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Power / Range Tradeoff
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9SNUPI
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Power Line Coupling
• receiver plugged into
power line
• power line acts as
receiving antenna
• transmitter sends data
to nearest power line
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Power Line Coupling
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SNUPI Power Consumption
12
Existing Nodes SNUPI0
10
20
30
40
50
60
Communication (Radio) Computation (CPU) Total PowermW
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SNUPI Power Consumption
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Existing Nodes SNUPI
Communication (Radio) Computation (CPU) Total Power
1 mW
100 µW
10 µW
10 mW
100 mW
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2 Orders of Magnitude Reduction in
Communication Power
SNUPI Power Consumption
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Existing Nodes SNUPI
Communication (Radio) Computation (CPU) Total Power
1 mW
100 µW
10 µW
10 mW
100 mW
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1 Order of Magnitude Reduction in
Total Peak Power
SNUPI Power Consumption
15
Existing Nodes SNUPI
Communication (Radio) Computation (CPU) Total Power
1 mW
100 µW
10 µW
10 mW
100 mW
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SNUPI Battery Life
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Over 10 years on a single coin-cell battery!
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Applications
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indoor
small
very long lived
low-throughput
home environmental sensing
smart home
home security
temperature
humidity
moisture
pressure
light
air quality
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www.snupi.com
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WALLY | HOMEwww.snupi.com
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WALLY | SENSOR
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WALLY | HUB
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www.snupi.com
Node with sensors
Gateway
Smartphone app
WALLY | HOME
Wally Sensor
Wally Hub
Wally Smartphone App
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WALLY | FUTURE DIRECTIONS
Embedding Wally Sensors into Appliances
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WALLY | FUTURE DIRECTIONS
Detecting Potential Leaks Before They Occur
Time
Tem
pera
ture
Abnormal Behavior
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SNUPI
Sensor Network Utilizing Powerline Infrastructure
Ultra-Low-Power, General-Purpose Wireless Sensing Platform
Gabe Cohn
2013 ACEEE Hot Water Forum
Nov. 5, 2013
ubicomp labuniversity of washington
www.snupi.com