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WISENET (Wireless Sensor Network)Presented By -
Rishabh Chaudhary
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Overview
Introduction System Description Design Goals Design Methodology TinyOS Modes of Operation Project Success
Software design shelf products Future Projects / Extensions Potential Applications Conclusion
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System Description
There are two primary subsystems : Data Analysis Data Acquisition
Comprised of three major components:
Client Server Sensor Mote Network
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WISENET- System Block Diagram
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Server ComponentInputs/Outputs
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Sensor Mote ComponentInputs/Outputs
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Block Diagram Sensor Mote
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Design Goals Use of Commercial-Off-The-Shelf (COTS) software &
standard interfaces where applicable Apache web-server (HTTP) MySQL database PHP web programming language
Simple, web-based user interface
Battery-powered, wireless sensor nodes: 'motes' Low-power consumption = Long battery life Motes create self-organizing ('ad-hoc') networks for
robust communications
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TinyOS
Real-time operating system for microcontrollers Open-source project at UC Berkeley Key Features:
Developed for sensing applications Emphasis on low-power: Idle & sleep modes Highly modular architecture Efficient utilization of resources
Currently developed for Atmega microcontrollers
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TinyOS
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Modes of Operation
Sleep Mode -Power Conservation
Query Mode -Data Acquisition Re-Programming Mode -Future Option
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Project Success Wisenet is partially operational
2 Motes w/ prototype sensor boards TinyOS modified for CC1010 Server running WiseDB + web interface Sensor boards are not currently powered by
batteries. Problems with DC-DC converter
Unable to test multi-hop routing due to lack of motes
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Software design shelf products
Apache PHP MySQL Chart Director Software custom
components:. Web program. WiseDB.Port of tinyOS
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Future Projects / Extensions Expand network to develop & test
multi-hop routing Develop a single-board mote
Create a expandable, plug-in sensor interface Research alternative energy sources
Solar cell, rechargeable batteries Continue development of TinyOS
Improve tools Optimize performance / reduce power usage
Improve web interface Data analysis
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Conclusion WISENET: Wireless Sensor Network Emerging technology that will change the world Many real-world applications Low-power Open-source software Modular mote application design (TinyOS) Flexible server implementation
Simple user interface via the web
WISENET is a step to the future of wireless sensing technology.
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Thank You