User Requirements Model for Vehicular Ad hoc Network (VANET) Applications

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User Requirements Model for Vehicular Ad hoc
Network (VANET) Applications
Dr I.A.Sumra
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Introduction

• Problems in Current Traffic System(TS)
• Road Accident
• Traffic Congestion

Fig.1 Road Accident
Fig.2 Traffic Congestion
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Vehicular Ad hoc Network (VANET)

• Vehicular ad-hoc network is a special kind of
  network in which nodes (Vehicles) can communicate
  with each other on the road and with its
  Infrastructure.
• Benefits of VANET to users
• Avoids Road Accidents
• Reduces Traffic Congestion
• Improves Entertainment

Fig3. Basic VANET Architecture
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VANET Architecture
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Motivation for VANET
VANET Motivation
Increase safety
Traffic Optimization
Safe Human lives
Save Time
Save Fuel
Fig4. VANET Motivation
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Dedicated Short Range Communication (DSRC)

• Federal Communication Commission (FCC) allocate
  frequency band and purpose of this is to provide
  wireless communication between vehicle to vehicle
  (V2I) and vehicle to Infrastructure (V2I).
• DSRC provides multiple channels and its
  transmission ranges from 5.850 to 5.925 GHz.
• DSRC provides seven channels (safety and non
  safety channels) and each channel range is 10
  MHz.

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Dedicated Short Range Communication (DSRC)
Fig5. DSRC and its safety and non safety Channels
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Proposed Model

• Proposed model is consist of three layers.
• First layer describe the basic users
  requirements which are Security, privacy and
  trust.
• Second and third layers are consisting of the
  safety and non safety applications of the
• VANET and these two layers meet first layer
  requirement.

Fig.6 User Requirements Model
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User Requirement and VANET Applications
Safety Application
Non Safety Application
USER
Trust
Privacy
VANET
Security
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Security, Privacy and Trust(SPT)

• Security
• Security is an important users requirement in
  VANET as if VANET is not secure from attackers
  then these applications may not achieve the
  primary purpose i.e. safer human lives.
• VANET applications require the integrity because
  life critical information should not be changed
  by any attacker.
• Vehicle wants to access the other vehicles in the
  network or access the infrastructure, then
  network is not available to user due to some kind
  of fault or any kind of attack (denial of
  service).
• Privacy
• Privacy in VANET is to secure the users personal
  data and their location. When user sends any
  message to other vehicles, it should not affect
  their privacy. Users need privacy and may not
  allow seeing their personal data and their
  locations. Users sensitive information can not
  open to unauthorized persons.
• Name of user / driver
• License plate of the vehicle
• Speed of the vehicle
• Position / Location
• Route for traveling
• Internal car sensor data
• Trust
• Trust is the key element of security system. When
  users receive any message from other nodes or
  from infrastructure it should be trusted because
  user reacts according to the message. The
  attackers change the contents of the message and
  break the trust between the vehicles.

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Security
Accident at location Z!
Road is CLEAR!!!!
Fig.7 Attacker alters the message
TOC
RSU
Fig.8 Jam Communication Channel between V2V and
V2I
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Safety Applications

• Active Safety Applications
• Active safety application can help to prevent
  accidents and work as pre crash applications.
• Active safety applications are based on control
  functions and the purpose of this to exchange the
  sensor data or status information between the
  vehicle to vehicle (V2V) and vehicles to
  infrastructure (V2I).
• The goal of sending this kind of information to
  users is to react accordingly and avoid the
  accident.
• Passive Safety Applications
• Passive safety applications work inside the
  vehicle and protect the passengers against injury
  in the event of accident.
• Safety belt and air bags are the examples of
  passive safety applications.
• Passive safety applications can not provide help
  to avoid accidents.

Work Zone Warning!!!
Work Zone Warning!!!
Work in Progress Plz!use Alt. route
Fig.9 Safety Application
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Non Safety Applications

• Convenience Applications
• Road Status Services (RSS)
• Parking Availability Services (PAS)

Road is CLEAR!!!!
Fig.10 Road Status Services (RSS)
Shopping MALL ( TESCO )
Parking Slot Available!!!
Parking Slot Available!!!
RSU
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Fig.11 Non Safety Application
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Non Safety Applications

• Comfort Applications
• Toll Collection Services (TCS)
• Personal and Diagnostics Services (PDS)
• Services offering Messages (SOM)
• Map Download Services (MDS)
• Entertainment Service (ES)

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Fig.12 Summary of all Applications
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Conclusion

• Due to high death rate and congestion on roads,
  researchers and car manufacturing industries want
  to find some possible solutions by using of VANET
  technology.
• VANET potential applications directly focus on
  users life on the road by sending some safety
  messages. In propose model it is explained the
  relationship between the user requirements and
  VANET safety and non safety applications are
  meets these requirements.
• In future these VANET applications will improve
  the traffic system and reduces the death rate in
  road accidents.

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• Send email isomro28_at_gmail.com
• Please download complete paper
• IEEEE website
• ResearchGate
• Video Available on given link-
• https//www.youtube.com/watch?vaNQEF9qkpfM

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