Wireless Tracking System Midcourse Design Review Team Members Ying W. Moy Mohammed A. Dastigir Hassan Malik Advisors Prof. Moritz Prof. Krishna Prof. Koren

12 December 2003ECE Senior Design Project2 Outline ► Introduction ► System Background ► Project Specifications ► Design Process ► Challenges & Solutions ► Progress  Demo ► Future Outlook

12 December 2003ECE Senior Design Project3 Introduction ► Question:  How can we establish an intelligent intrusion detection system that can monitor the movement of an object? ► Project Applications:  Intrusion Detection ► Building Security  Surveillance ► Environment Monitoring  Theft Deterrence ► For home, business, etc.

12 December 2003ECE Senior Design Project4 Introduction (…cont’d) ► Current Technology  Standard Motion Detectors ► simply detect motion ► no tracking  Infrared Heat Sensors ► affected by heat ► expensive  Global Positioning System ► not for practical application ► too expensive

12 December 2003ECE Senior Design Project5 Introduction (…cont’d) ► System Characteristics  Wireless  Small  Expandable  Reliable  Durable  Cost Effective  MICA Wireless Sensor Network

12 December 2003ECE Senior Design Project6 System Background ► What is a Mote?  Wireless communication device  Useful in many applications  “Smart Dust” ► How to interact with Mote  ► Wireless Motes equipped with MICA sensor board

12 December 2003ECE Senior Design Project7 MICA Sensorboard Isolate Magnetometer

12 December 2003ECE Senior Design Project8 Mote Specifications Processor/Radio Board MICA Mote (MPR300CB) Speed 4 MHz Flash 128 Kbytes SRAM 4K bytes EEPROM Serial Communication UART A/D 10 bit ADC Serial Flash 4 Mbit Radio Range 100 feet (more like 3.5) Radio Frequency 916 MHz Data Rate 40 Kbits/sec Power 0.75 mW

12 December 2003ECE Senior Design Project9 Project Specifications ► Configure Mote system to acquire magnetic field readings ► Transfer data from wireless sensor to base station ► Process data and create “tracking” application

12 December 2003ECE Senior Design Project10 Environment Mote magnet Data GUI Software Visual Representatio n Process Data TinyOS Application System Overview Diagram

12 December 2003ECE Senior Design Project11 Mote Configuration Magnetic Sensors Decode RF Module Magnet Base Station Block Diagram of Mote Process Mote Features: Honeywell HMC1002 Magnetic Field Range 30 Micro Gauss Programmed using TinyOS (NesC) to take in magnetic readings at time intervals Base Station: Take data from motes and hold data

12 December 2003ECE Senior Design Project12 GUI Application ► Serial forwarder retrieves data from serial port ► Socket Connection established between serial forwarder and Tracking Application ► Process data readings and visually track magnet motion

12 December 2003ECE Senior Design Project13 Challenges & Solutions ► Programming control of magnetometer sensor ► Wireless data packet transfer: Mote  Base Station ► Socket Communication between processes ► Interpreting data  Solution in progress

12 December 2003ECE Senior Design Project14 Current Status ► Mote configured to detect magnetic field and transmit data to Base Station via RF Module ► Connection established between Tracking Application and Base Station Process ► Tracking magnet in 1 dimension  Demo  Demo

12 December 2003ECE Senior Design Project15 Future Outlook ► Integrating and Controlling Multiple motes  Ad-hoc Network ► Modifications to Tracking Software  More accurate representation of magnet path  2 dimensional tracking  Revision of current features ► Investigate/consider other sensors