IEEE 802.15.4 ZigBee MAC
ZigBee Stack & Profile
ZigBee Network Model
Difference between Bluetooth and ZigBee
ZigBee Alliance
ZigBee Qualification
ZigBee Trend
Examples of ZigBee Application
Application Method of ZigBee and Virtual Home Network Structure
Automation system using ZigBee
Forecasting
ZigBee Trend
802.15.4 Standard Trend
Major object of activity
IEEE 802.15.4a
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- Substitute PHY of IEEE 802.15.4 -> Pulse Radio
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- Provide location information with below 1 meter accuracy
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- Data transfer rate with 1Kbps to 1Mbps
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- Extension of communication distance
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- Low power consumption
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- Issue CFP in JUL, 2004
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- Announce standard draft in MAR, 2005
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- Completion of the final standard in 2/4 Quarter, 2005
IEEE 802.15.4b
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- Solving the ambiguity of IEEE 802.15.4 standard
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- Simplifying useless complicated standard
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- Reinforcing flexibility of using security key
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- Discussing selection of new frequency band of 862 ~ 868
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- Issue CFP in May, 2004
IEEE 802.15.5
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- Reinforcing PHY and MAC structure of 15.4 to support Mesh network
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- Extending communication distance on PHY structure of IEEE 802.15.4
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(with same output power and reception)
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- Reinforcing reliability of routing function
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- Reinforcing convenience of network implementation
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- Extending battery operation time through minimizing retransmission function