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What is zigbee?

Refer zigbee tutorial covering following sub topics:
About zigbee   Zigbee network   Stack   PHY   frame   MAC   Bands   Conformance  AODV protocol  Products 

Zigbee is a simple packet data protocol designed for light weight wireless networks. The PHY/MAC layers are defined in IEEE 802.15.4 specifications. Channel access in zigbee is via CSMA/CA. Zigbee network composed of Zigbee co-ordinator, zigbee router and zigbee end devices.

zigbee network fig

Refer zigbee tutorial for more. Both mesh as well as star link types are supported between them based on device types.

Zigbee products use very low power and are available at very low cost. They are based on LR-WPAN (low rate wireless personal area network) standard i.e. IEEE 802.15.4. Zigbee products will have protocol layers (PHY,MAC,network,security,application). Network,security and application layers are defined by zigbee alliance.

Zigbee operates at various frequency bands viz. 868MHz,915MHz and 2.4 GHz. Out of these 2.4 GHz based zigbee products are very popular around the world. Based on antenna, transmitter output power and frequency it will cover about 10 to 100 meters. Zigbee supports mesh topology. Zigbee products delivers about 250Kbps of data rate. About 65000 devices are supported in a zigbee network.

Zigbee Applications

Zigbee in Healthcare - For example to monitor blood pressure, to monitor blood glucose level, bed sensor controller, weighing scale etc.

Zigbee in smart energy - For example safe plug, smart socket,electricity consumption display, thermostats,energy manager etc.

Zigbee in Home and building automation - For example remote control of various home and building related stuff.

Zigbee for Closures - For example smart lock, Door sensor, occupancy sensor, etc.

Zigbee for Home appliances - For example air conditioner, TV, digital water meter etc.

Zigbee for telecom services - For example router/gateway etc.

Useful Links

Refer page on zigbee tutorial which describes zigbee network,zigbee stack,frame structure,Physical layers,MAC frames.
Refer page on zigbee products which covers zigbee equipment,semiconductor,test and measurement,gadgets,stack
Refer page on zigbee gadgets which covers zigbee home automation,healthcare,smart energy,lighting,telecom,security,appliances related gadgets.
Refer page on bluetooth versus zigbee which describes comparison between Bluetooth and Zigbee technologies.

This page explains what is zigbee technology and provides useful links.


Zigbee network architecture basics   Zigbee Protocol Stack   Zigbee Physical layers   Zigbee physical layer frame  Zigbee MAC layer frames   Zigbee frequency bands   zigbee RF4CE   zigbee 6LoWPAN   zigbee AODV protocol 

What is?

what is RF?  what is wireless ?  what is zigbee?  what is Bluetooth?  what is lightwave RF?  what is z-wave?  what is microcontroller?  what is GSM?  what is GPRS?  what is infrared? 

RF and Wireless Terminologies

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