Ubiquitous Computing Seminar FS2014 29.04.2014 ... · Communication Technologies for Smart Objects...
Transcript of Ubiquitous Computing Seminar FS2014 29.04.2014 ... · Communication Technologies for Smart Objects...
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Communication Technologies
for Smart Objects
Speaker Supervisor
Dominik Kovacs
Matthias Kovatsch
Ubiquitous Computing Seminar FS2014 29.04.2014
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An Internet of Things
”In the next century, planet earth will don an electronic skin. It will use the Internet as a scaffold to support and transmit its sensations.”
– Neil Gross 1999
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Check on the Baby
http://mimobaby.com/ 4
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Monitor an Aging Family Member
http://beclose.com 5
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Track your Activity Levels
http://medgadgets.co 6
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Smart Heating
http://www.nest.com/ 7
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Wireless Plant Monitoring
http://www.fliwer.com 8
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Smart Trash Can
http://www.entertainmentearth.com 9
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Smart Trash Can
http://bigbellysolar.com/ 10
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Smart Street Lighting
http://www.designboom.com 11
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Structure Monitoring
http://smart-structures-inc.us 12
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Floating Sensor Network
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IoT components
• Smart objects – sensors, actuators
– Little bit of processing
• Communication network – Directional or bidirectional
• Aggregator – Collects data
– Processes data
– Publishes data
Aggregator
Smart object (actuator only)
Smart object (sensor only)
Smart object (sensor & actuator)
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Motivation
There are a huge variety of devices and use cases, but no technology fits them all…
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Outline
• Types of Communication
– M2M & H2H
• Introduction into Wireless Technology
• Application Domains
– Body Area Network
– Smart Home
– Smart Factory
– Smart Grid & Logistics
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M2M Definition
• Relationship between two machines
• No human interaction involved
• Triggered by events (e.g. sensor events)
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Internet of Things (IoT)
• Vision of the Internet of tomorrow
• Requires M2M connectivity
Machine-to-Machine (M2M)
• Communication between machines
Iot vs M2M
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Internet of Things M2M M2M as the connectivity of IoT
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M2M or not? Some intuition
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M2M or not? Some intuition
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M2M or not? Some intuition
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M2M or not? Some intuition
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M2M or not? Some intuition
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M2M or not? Some intuition
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Trivia: Identify Friend or Foe (IFF)
25 US Army Air Defense Digest, 1972
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Focus on Wireless M2M
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OSI Model
Wireless device implements
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Wireless Network Difficulties
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Radio Wave Spectrum A Limited Resource
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• In the US, the Federal Communications Commission (FCC) allocates bandwidth – Hearings (before 1982) – Lotteries (1980s) – Auctions (since the 1990s)
Trivia: Bandwidth Allocation
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International Telecommunication Union (ITU) Region
Region 1 Region 2 Region 3
wikimedia.org 31
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Industrial, scientific and medical (ISM) radio bands
Frequency range Availability ⁞
13.553 MHz 13.567 MHz Worldwide
26.957 MHz 27.283 MHz Worldwide
40.660 MHz 40.700 MHz Worldwide
433.050 MHz 434.790 MHz Region 1 only
902.000 MHz 928.000 MHz Region 2 only
2.400 GHz 2.500 GHz Worldwide
5.725 GHz 5.875 GHz Worldwide ⁞
http://www.itu.int 32
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Wireless Technologies (19)
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Datarate-Range Comparison
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Body Area Network (BAN)
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Wearables and Implants
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Smart Pacemaker
Smart Glasses
Smart Watches
Pedometers
Smart Skin
Sensor in clothes
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BAN Characteristics
• Low CPU power
– Collecting rather than processing
• Battery operated
– Mobile
• Small size → Small battery → Low power
• No line of sight (body, clothes)
• Can be health critical
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• Power efficient
• Robust against interference
– Off-body
– On-body
• Interoperable
BAN Communication Requirements
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Off-body interference
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BAN Wireless Technologies
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• Power efficient
• Robust against interference
– Off-body
– On-body
• Interoperable
BAN Communication Requirements
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BAN Wireless Technologies (7)
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Bluetooth/BLE
IEEE 802.15.4
Ultra Wideband (UWB)
Sensium
Zarlink
RuBee
ANT
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BAN Wireless Technologies (7)
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Bluetooth/BLE
IEEE 802.15.4
Ultra Wideband (UWB)
Sensium
Zarlink
RuBee
ANT
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Smart Home more than just «Home Automation»
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• Smart Heating
• Smart Lighting
• Smart Outlets
• Smart Kitchen
• Smart Gardening
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• Stationary
– But mostly battery operated though
• Low cost
– Huge Quantity
• (Scalability)
• No line of sight (walls)
• Variety of different applications
Smart Home Characteristics
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Smart Home Communication Requirements
• Sufficient range
• Variable Bandwidth
• Interoperable
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Smart Home Wireless Technologies
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Smart Home Communication Requirements
• Sufficient range
• Variable Bandwidth
• Interoperable
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Smart Home Communication Requirements
• Sufficient range
• Variable Bandwidth
• Interoperable
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Range too small
Range too small
Proprietary
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Smart Home Wireless Technologies (6)
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Wi-Fi IEEE 802.11n
IEEE 802.15.4 Insteon
RuBee RFID
DECT ULE
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Smart Home Wireless Technologies (6)
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Wi-Fi IEEE 802.11n
IEEE 802.15.4 Insteon
RuBee RFID
DECT ULE
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Smart Factory (Industry 4.0)
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• Bigger buildings
– Wider coverage
• Thicker and/or more walls (metals)
• No line of sight
• More money to spend
Smart Factory Characteristics
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Smart Factory Communication Requirements
• Long range or mesh topology support
• Convergence of different subnetworks
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Smart Factory Wireless Technologies
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Smart Factory Wireless Technologies
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Big range
• IEEE 802.11n: 100m
• Wireless M-Bus: 1000m
• DECT ULE: 300m
• DASH7: 2000m
• RFID: 100m
Mesh topology
• Z-wave: 300m
• IEEE802.15.4: 250m
Big range vs Mesh topology
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Big range
• IEEE 802.11n: 100m
• Wireless M-Bus: 1000m
• DECT ULE: 300m
• DASH7: 2000m
• RFID: 100m
Mesh topology
• Z-wave: 300m
• IEEE802.15.4: 250m
Big range vs Mesh topology
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«Vendor-locking»
Access control, Identification
Operates at 433.92 MHz
Operates at 868 MHz
Operates at 2.4 GHz
Operates at 1.9 GHz
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Smart Grid
http://www.hitachi.com 59
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Logistics
• Some specific applications – Quality of Shipment Conditions – Item Location – Storage Incompatibility Detection – Fleet Tracking
60 http://www.tetra-logistics.com
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Smart Grid
• Centralized two-way communication (tree)
• Wide coverage
• Hourly peaks
Logistics
• Mobile → battery powered
• «Off-the-grid» environments
• Huge Variety
Smart Grid & Logistics
Characteristics
61
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Smart Grid
• Long range
• Short transfer latency (within a few ms)
• Scalable
• Interoperable
Logistics
• Long range
• Scalable
• Interoperable
Smart Grid & Logistics
Communication Requirements
62
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Smart Grid & Logistics
Wireless Technologies
63
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Smart Grid & Logistics
Wireless Technologies
64
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Smart Grid & Logistics
Wireless Technologies
65
SMS
Low reception Environments
Data packets
Indoor Environments Neighborhood Aggregator
Indoor Environments Neighborhood Aggregator
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Weightless
66 http://www.weightless.org
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White Space Spectrum
67 http://thinkd2c.wordpress.com/
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Conclusion
68