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WIRELESS SENSOR NETWORK BASED ON ZIGBEE TECHNOLOGY

Agenda. BiswajitWhat is zigbeeWhere does zigbee fitWSN for green houseFramework of WSNHardware of wireless nodeDineshBrief intro to TinyOSDesign of softwareExperimentAdvantage

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WIRELESS SENSOR NETWORK BASED ON ZIGBEE TECHNOLOGY

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    1. WIRELESS SENSOR NETWORK BASED ON ZIGBEE TECHNOLOGY

    2. Agenda Biswajit What is zigbee Where does zigbee fit WSN for green house Framework of WSN Hardware of wireless node Dinesh Brief intro to TinyOS Design of software Experiment Advantage & disadvantage Other applications of zigbee Conclusion

    3. What is ZigBee? Technological Standard Created for Control and Sensor Networks (WSN) Based on the IEEE 802.15.4 Standard Created by the ZigBee Alliance

    4. Where Does ZigBee Fit?

    5. WSN SYSTEM FOR GREENHOUSE System framework for Greenhouse Function of Gateway: (1) Communicating with the server via Ethernet; (2) Communicating with nodes by RF transceiver. Framework and functions of wireless nodes:

    6. FRAMEWORK OF WSN

    7. HARDWARE OF WIRELESS NODE Low power design Adopts MICAZ mote module embedded with Zigbee compliant RF transceiver MICAZ 51 pin expansion connector supports to connect various peripheral s Hardware consisting of Microcontroller RF transceiver Gateways

    8. BRIEF INTRO TO TinyOS Event driven OS process the data acquired by the sensors API interfaces between two or more nodes/sensors OS systems , libraries & applications are written in nesC nesC is a Static language ,call graph is fully known at compile time ,more actuate & simpler nesC contains two components Modules : provide application code , implementing one or more interfaces Configuration : used to wire other components together Components linked statically via interfaces for increasing the run time efficiency

    9. Contd Programs are built out of components, which are assembled to form whole program Interfaces are only point of access to components Interfaces are bidirectional

    10. DESIGN OF SOFTWARE

    11. EXPRIMENT An experiment was done in a room which 11 meters in length and 8 meters in width. The application to measure temperature, light intensity, node voltage and parent node is written in Visual C ++6.0 under the Windows 2000 operation. Parent node denotes nodes that receive a message from another node and the 0 parent node represents base node (gateway).

    12. DATA OF THE EXPERIMENT

    13. Advantages and Disadvantages Advantages: Low power consumption Long battery life Long coverage area (10m- 75 m) Low cost Large number of nodes Used globally Disadvantage: Low data rate

    14. OTHER APPLICATION OF ZIGBEE

    15. CONCLUSION The experiment of WSN based on ZigBee for greenhouse done to prove its feasibility. The system possesses low cost, low power, wider coverage, and especially the character of mobility on wiring to remove the limitation of traditional wired network system for greenhouse. Therefore the traditional system to collects parameters for Greenhouse would be greatly changed.

    16. THANK YOU QUESTIONS??

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