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Wireless Communications
ZigBee Wireless Communications EE 418/518 Chris Diamond Michael Gordon Priya Joshi Gideon Wamae
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Presentation Outline Gideon Chris Priya Michael: What ZigBee is
What ZigBee does Chris How ZigBee works The hype cycle Priya Academic research Michael: Products Future
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What is ZigBee? Technological Standard Created for Control and Sensor Networks Based on the IEEE Standard Created by the ZigBee Alliance
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IEEE 802.15.4 & ZigBee In Context
Application Customer “the software” Network, Security & Application layers Brand management IEEE “the hardware” Physical & Media Access Control layers API Security 32- / 64- / 128-bit encryption ZigBee Alliance Network Star / Mesh / Cluster-Tree MAC IEEE PHY 868MHz / 915MHz / 2.4GHz Silicon Stack App Source:
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The 802 Wireless Space Source:
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ZigBee and Other Wireless Technologies
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ZigBee Aims Low Low data rate Low power consumption
Small packet devices
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ZigBee Frequencies Operates in Unlicensed Bands
ISM 2.4 GHz Global Band at 250kbps 868 MHz European Band at 20kbps 915 MHz North American Band at 40kbps
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What Does ZigBee Do? Designed for wireless controls and sensors
Operates in Personal Area Networks (PAN’s) and device-to-device networks Connectivity between small packet devices Control of lights, switches, thermostats, appliances, etc.
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Lights and Switches Source: ZigBee Specification Document
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How ZigBee Works Topology Network coordinator, routers, end devices
Star Cluster Tree Mesh Network coordinator, routers, end devices
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How ZigBee Works States of operation Devices Modes of operation Active
Sleep Devices Full Function Devices (FFD’s) Reduced Function Devices (RFD’s) Modes of operation Beacon Non-beacon
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ZigBee Mesh Networking
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ZigBee Mesh Networking
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ZigBee Mesh Networking
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ZigBee Mesh Networking
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ZigBee Mesh Networking
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ZigBee and the Hype Cycle
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ZigBee and the Hype Cycle
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ZigBee and the Hype Cycle
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Research in ZigBee Introduction Research Research Papers
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Introduction The IEEE 802.15.4 standard was completed in May 2003.
The ZigBee specifications were ratified on 14 December 2004. The ZigBee Alliance announced public availability of Specification 1.0 on 13 June 2005. Much research is still going on with ZigBee.
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Research in ZigBee is being conducted in different fields:
Academic Research Research in ZigBee is being conducted in different fields: Wireless and sensor networks Wireless communications Neuroengineering
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Research Papers Time Synchronization for ZigBee Networks
ZigBee: “Wireless Control That Simply Works” Journal of Neuroengineering and Rehabilitation Development of Ubiquitous Sensor Network Wireless Technologies for Data Acquisition Systems
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ZigBee and the Market The next big thing
Expected to hit the market full force in 2006 Companies have already invested millions
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ZigBee Products Development Kits Sensors Transceivers Modules
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Current ZigBee Uses Environmental Monitoring Agricultural Monitoring
Home Automation Still on Horizon
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Product Applications Road map products-tracking Consumer electronics
PC Personal and healthcare Commercial and residential control
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ZigBee’s Future Source:
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The End
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References http://www.zigbee.org/en/about/faq.asp
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Competing Technologies
Z-Wave mesh networks Smarthomes Insteon Proprietary mesh protocols
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The ZigBee Name Named for erratic, zig-zagging patterns of bees between flowers Symbolizes communication between nodes in a mesh network Network components analogous to queen bee, drones, worker bees
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ZigBee Product Companies
Helicomm MaxStream Luxoft Labs Crossbow Technology Innovative Wireless Technologies
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ZigBee Network Configuration
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