02-04-2010, 10:23 AM
ZIGBEE WIRELESS VEHICLE IDENTIFICATION AND AUTHENTICATION SYSTEM
Presented BY
G.JAYARAM
CONTENTS
WHAT IS ZIGBEE
ZIGBEE CHARACTERISTICS
SYSTEM MODEL
ELEMENTS OF ZIGBEE SYSTEM
VEHICLE IDENTIFICATION DEVICE PROFILE
COMMUNICATION BETWEEN VEHICLE TAG AND TAG READER
APPLICATIONS
CONCLUSION
WHAT IS ZIGBEE
Zig bee is a ad-hoc networking technology for LR-WPAN
It provides a high data throughput in applications
where the duty cycle is low
ZIGBEE CHARACTERISTICS
Intended for 2.45GHZ , 868MHZ and 915Mhz band
Data rates touch 250kbps , 40kbps and 20kbps
Low cost , power consumption as compared to
competing technologies
SYSTEM MODEL
ELEMENTS OF ZIGBEE SYSTEM
CENTRAL DATABASE OF AUTHORIZED VEHICLES
RF VEHICLE TAGS
RF TAG READER
RF TAG WRITER
VEHICULAR RF TAGS
RF TAG READER/WRITER
2.4GHZ RF TRANSCEIVER
LOW POWER CONSUMPTION
LOW SUPPLY VOLTAGE
DSSS IS THE MODULATION TECHNIQUE
SUITABLE FOR BOTH RFD AND FFD OPERATION
MICROCONTROLLER PIC18LF4620
ANTENNA (INVERTED F-TYPE)
VEHICLE IDENTIFICATION DEVICE PROFILE
COMMUNICATION BETWEEN VEHICLE TAG AND TAG READER
APPLICATIONS
SECURITY PURPOSE
VEHICLE IDENTIFICATION
INDUSTRIES
CONCLUSION
PROTO TYPE OF THE PROPOSED SYSTEM WAS FIELD TESTED AND DEMONSTRATED AT WORKING ENVIRONMENT
SUCCESSFULLY DEMONSTRATED AT RATMALANA AIR-FORCE BASE
Zig bee characteristics
Data rates of 20 kbps and up to 250 kbps
Star or Peer-to-Peer network topologies
Support for Low Latency Devices
CSMA-CA Channel Access
Handshaking
Low Power Usage consumption
3 Frequencies bands with 27 channels
Extremely low duty-cycle (<0.1%)
Wat is zigbee
ZigBee is a Ad-hoc networking technology for LR-WPAN
Based On IEEE 802.15.4 standard that defines the PHY and Mac Layers for ZigBee.
Intended for 2.45 Ghz , 868 Mhz and 915 Mhz Band.
Low in cost ,complexity & power consumption as compared to competing technologies.
Intended to network inexpensive devices
Data rates touch 250Kbps for 2.45Ghz ,40 Kbps 915Mhz and 20Kbps for 868Mhz band.
