11-04-2011, 02:50 PM
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What is ZigBee?
Technological Standard Created for Control and Sensor Networks
The 802 Wireless Space
ZigBee and Other Wireless Technologies
ZigBee Aims Low
Low data rate
Low power consumption
Small packet devices
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
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.
How ZigBee Works
Topology
– Star
– Cluster Tree
– Mesh
Network coordinator, routers, end devices
How ZigBee Works
States of operation
– Active
– Sleep
Devices
– Full Function Devices (FFD’s)
– Reduced Function Devices (RFD’s)
Modes of operation
– Beacon
– Non-beacon
ZigBee Mesh Networking
ZigBee and the Hype Cycle
Research in ZigBee
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.
Academic Research
Research in ZigBee is being conducted in different fields:
Wireless and sensor networks
Wireless communications
Neuroengineering
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
ZigBee and the Market
The next big thing
Expected to hit the market full force in 2009
Companies have already invested millions
ZigBee Products
Development Kits
Sensors
Transceivers
Modules
Current ZigBee Uses
Environmental Monitoring
Agricultural Monitoring
Home Automation Still on Horizon
Product Applications
Road map products-tracking
Consumer electronics
PC
Personal and healthcare
Commercial and residential control
ZigBee’s Future
ZigBee Product Companies
Helicomm
MaxStream
Luxoft Labs
Crossbow Technology
Innovative Wireless Technologies