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Zigbee

Presented BySwati Verma

CT0463

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ZigBee is a Ad-hoc networking technology for LR-WPAN

Based On IEEE 802.15.4 standard that defines the PHYand Mac Layers for ZigBee.

Intended for 2.45 Ghz , 868 Mhz and 915 Mhz Band.Data rates touch 250Kbps for 2.45Ghz ,40 Kbps915Mhz and 20Kbps for 868Mhz band.

Low in cost ,complexity & power consumption as

compared to competing technologies.

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Comparison of the various 802technologies for data rate and range.

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Comparison of ZigBeewith other technologies

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Designed for wireless controls and sensors

Operates in Personal Area Networks (PANs)and device-to-device networks

Connectivity between small packet devices

Control of lights, switches, thermostats,

appliances, etc.

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ZigBee Aims Low

Slow transmission

Low data rate

Low power consumption

Small packet devices

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States of operation

Active

Sleep

Devices Network coordinator, routers, end devices

Full Function Devices (FFDs)

Reduced Function Devices (RFDs)

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Modes of operation

Beacon

Non-beacon

Topology Star

Cluster Tree

Mesh

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Slide Courtesy of

ZigBee Mesh Networking

Source: http://www.zigbee.org/en/resources/#SlidePresentations

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Slide Courtesy of

ZigBee Mesh Networking

Source: http://www.zigbee.org/en/resources/#SlidePresentations

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Slide Courtesy of

ZigBee Mesh Networking

Source: http://www.zigbee.org/en/resources/#SlidePresentations

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Slide Courtesy of

ZigBee Mesh Networking

Source: http://www.zigbee.org/en/resources/#SlidePresentations

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Slide Courtesy of

ZigBee Mesh Networking

Source: http://www.zigbee.org/en/resources/#SlidePresentations

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Focused on control andautomation.

Uses low data rate, lowpower consumption, and

works with small packetdevices.

Support a larger numberof devices and a longerrange between devices

Designed to respondquickly

Focused on connectivitybetween laptops, PDAs,and the like.

Uses a higher data rate,

higher powerconsumption, and workswith large packetdevices.

Connects small number

of devices at a smallerrange.

Takes much longer and

could be detrimental tothe application

ZigBeeBluetooth

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Released specifications

ZigBee Home Automation

ZigBee Smart Energy 1.0

ZigBee Telecommunication Services

ZigBee Health Care

ZigBee Remote Control

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Figure below gives a great example of howZigBee can be applied.

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