ZigBee Main Points

ZigBee Main Points
ZigBee is a device very similar to Bluetooth. My friends are very familiar with Bluetooth but they don’t know about ZigBee. Following are the main point of ZigBee. I think this will help you.
If you have any doubt or any comment about this page please mail me to pravymon@gmail.com
ZigBee (IEEE 802.15.4 std)
IEEE: Institute of Electrical and Electronics Engineers
802: Network operation
.15: Wireless networking
Eg: 802.15.1 Bluetooth
802.15.4: ZigBee
Regulated By ZigBee Alliance 150 Members approx
Bluetooth: connectivity between large packet user devices (Complex Device)
ZigBee: connectivity between small packet user devices (Simple Device)
Data Rate: 250Kbps
Pipeline of 1Mbps
Fully hand-shacked protocol for transfer reliability
Operating Freq: 2.4MHz ISM(Scientific and medical) Band {No need license to use!!!}
Maximum range: 250 feet (76m) [Bluetooth only 10m]
Low power device: battery change:: After many months (Even Years)
Name from: zig-zag waggle dance honeybees use to share critical information (Food, Location etc)
Modulation technique
Bluetooth: Frequency Hopping Spread Spectrum (FHSS)
ZigBee: Direct Sequence Spread Spectrum (DSSS)
Protocol stack size
Bluetooth: 250K bytes
ZigBee: 28K bytes

Applications
· Home Awareness — Water sensors, power sensors, smoke and fire detectors, smart appliances and access sensors
· Mobile Services — m-payment, m-monitoring and control, m-security and access control, m-healthcare and tele-assist
· Commercial Building — Energy monitoring, HVAC, lighting, access control
· Industrial Plant — Process control, asset management, environmental management, energy management, industrial device control

If you have any doubt /advice or any comment about this page please mail me to pravymon@gmail.com