implementation of traffic light systems using multi
TRANSCRIPT
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Implementation Of Traffic Light Systems Using Multi-
Hop Ad Hoc Networks
Submitted By
Tina Annie Samuel
S7C
ROLL NO:49
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1. INTRODUCTION
2. EXISTING SYSTEM3. PROPOSED SYSTEM
4. TOKEN RING PROTOCOL
5. DESCRIPTION OF THE PROBLEM
6. IMPLEMENTATION
7. PERFORMANCE EVALUATION
8. DISCUSSION OF RESULTS
9. DIFFERENT SCENARIOS
10. FUTURE IMPROVEMENTS
11. ADVANTAGES
12. DISADVANTAGES
13. CONCLUSION
14. REFERENCES
CONTENTS
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INTRODUCTIONAd hoc networks
-Wireless devices
-No centralized infrastructure
Multi hop ad hoc networks
-Mobile nodes
Arbitrary and temporary network topologies
Used in disaster recovery environments
Single hop ad hoc networks
-Same transmission range
VANET
Mesh Networks
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EXISTING SYSTEM
1. TIMERS
Fixed time interval
2. SENSORSCoils placed in loops in the grooves in the road
Inductive loops
Vehicles over the loop
Inductance increases
Drawbacks associated with both the systems
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PROPOSED SYSTEM
Simulating multi hop ad hoc network
Peer-to peer
Multi hop
Exchanging status info
Implemented usingJava
Networking capabilities
Graphical Interface
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TOKEN RING PROTOCOL
Special 3-byte frame-token
Token circulating around the ringNode holding the token allowed to transmit for a fixed
duration.
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Token Ring Protocol8
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DESCRIPTION
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IMPLEMENTATION
Communication
Ad hoc network communication
Client Server Implementation
Running code infinitely
Graphical User Interface
Experimental setup
Traffic lights
Status change
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Traffic light1
Elapsed timer
TL1?
yes
Traffic light2
no
Elapsed timer
TL2?
Traffic light N
Elapsed
timer TLN?
yes
no
yes
no
Processes involved in traffic light system
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PERFORMANCE EVALUATION
Experimental setup
Analysis using 4 nodes
Ethereal
Statistical performance Average transition time (milliseconds)
Throughput
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DISCUSSION OF RESULTS
Real life application
Transmitting signals
Java implementation
Simple study
Transmitting and receiving signals for traffic light
systems
Infinite loop
Future studies and research
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DIFFERENT SCENARIOS
Manual Interruption
Token Ring Fashion
Loss of Token
Timers (Blink signal)
Self initializing Node Failure
Timers/Self Initialization
Security
Hackers
Sniff token/packets
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FUTURE IMPROVEMENTS
Self initializing module
Security
Encryption techniques
Protection of tokens
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ADVANTAGES
Ability to withstand harsh environmental
conditions
Ability to cope with node failures
17
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DISADVANTAGES
Limited power they can harvest or store
Communication failures
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CONCLUSION
Token ring systems
Traffic light systems using ad hoc networks
Constructed in very short time
Reliable Traffic controllers
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REFERENCESREFERENCES
https://www.novapublishers.com/catalog/product_info.php?products_id=5556
http://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.html
www.datacottage.com/nch/troperation.htm
Imran Shafique Ansari, "An Implementation of Traffic Light System Using Multi-
hop Ad hoc Networks, Network-Based Information Systems, 2009. NBIS '09.
International Conference , pp.177-181, 2009 International Conference on Network-
Based Information Systems, 2009
Energy-Efficient Area Monitoring for Sensor Networks,Jean Carle, David,
Simplot-Ryl,University of Lille
https://www.novapublishers.com/catalog/product_info.php?products_id=5556http://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttp://www.curiousread.com/2008/01/its-go-time-how-do-traffic-light.htmlhttps://www.novapublishers.com/catalog/product_info.php?products_id=5556 -
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