zigbee - northwestern universityusers.ece.northwestern.edu/~mh/msit/winter14/projects/zigbee.pdf ·...
TRANSCRIPT
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ZigBee
Random Driver
https://www.ZigBee.org/About/AboutTechnology/Standards.aspx
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● ZigBee Overview● Applications in Home Automation● Commercial Applications● Architecture● Comparison of Wi-Fi, Bluetooth and ZigBee● Competing Technologies● Future Technologies● Market Potential
Agenda
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ZigBee Overview● Wireless technology for low power and low
rate applications, based on 802.15.4● Operating in the 2.4 GHz, 915 MHz and
868 MHz unlicensed bands● Supports multiple network topologies,
including mesh networks with up to ~65,000 nodes per network
● Has applications in the home, commercial buildings, and industrial facilities
https://www.ZigBee.org/About/UnderstandingZigBee.aspx
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ZigBee Standards & Applications
http://ZigBee.org/
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Home Automation
http://spectrum.ieee.org/
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Home AutomationWhy did it take so long?
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Home Automation Enablers● Rebranding by the industry● Smart phones and tablets● Internet of Things● Advances in chip design● ZigBee & other wireless technologies
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Products
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Commercial Applications
Smarter vineyards
A better mousetrap
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Architecture: ZC - ZR - ZED● �The ZigBee coordinator (ZC) initiates a personal area network,
allow other devices to join and control the information with security keys.
● �The ZigBee Router (ZR) transfers the messages between components.
● �The ZigBee End Devices (ZED) communicates info (here temperature) to router or coordinator and can receive instructions.
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Network topologies
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Application Architecture IEEE802.15.4
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Comparison with Bluetooth and Wi-fi● Bluetooth Low Energy
○ 2.4 Ghz○ Range - 10 meters (up to 50 meters)○ Data Rate - 1Mbps○ upto 8 devices (1 master, 7 slave)
● Wi-Fi○ 2.4Ghz and 5Ghz○ Range - 150 meters○ High data rate and high power usage○ ZigBee and wifi interference
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Comparison with Bluetooth and Wi-fi
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Competing Technologies● Z-wave
○ 900MHz○ Data Rate - 100Kbps○ Mesh network○ upto 232 devices
● Insteon○ AC power line and radio frequency○ Dual mesh network○ Uses home’s electrical wiring as backup for wireless
interference
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Future Technologies● RF4CE
○ ZigBee remote controls○ Replacement for IR remote controls○ ZigBee Input Device○ Control ZigBee Home Automation networks
● ZigBee Retail Services○ Intelligent shopping carts○ Electronic shelf labels○ Real time price changes○ Supply Chain Management
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Market Segments
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Manufacturers
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Component Prices
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Market: Consumers / Industry
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Market Revenues
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Busy as a ZigBee