InVANET (Intelligent Vehicular Ad Hoc Network Sandesh Pandey, Ramesh Basukala and Sumit Joshi.
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Transcript of InVANET (Intelligent Vehicular Ad Hoc Network Sandesh Pandey, Ramesh Basukala and Sumit Joshi.
![Page 1: InVANET (Intelligent Vehicular Ad Hoc Network Sandesh Pandey, Ramesh Basukala and Sumit Joshi.](https://reader035.fdocuments.net/reader035/viewer/2022062804/56649d4c5503460f94a2acd7/html5/thumbnails/1.jpg)
InVANET(Intelligent Vehicular Ad Hoc Network
Sandesh Pandey, Ramesh Basukala and Sumit Joshi
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Introduction
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Introduction
InVANET is an Intelligent Vehicular Ad Hoc
Networking uses WiFi IEEE 802.11 and WiMAX IEEE 802.16
for easy and effective communication between vehicles with dynamic mobility.
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Introduction VANET, is a form of Mobile ad-hoc
network, to provide communications among nearby
vehicles and between vehicles and nearby fixed equipment,
usually described as roadside equipment.
In intelligent vehicular ad hoc network, rather than moving at random as in MANET vehicles tend to move in an organized fashion.
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Introduction Providing
vehicle-to-vehicle and vehicle-to-roadside communication
can considerably improve traffic safety and comfort of driving and traveling.
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Introduction Each vehicle equipped with VANET device
will be a node in the Ad-Hoc network and can receive and relay others messages through the wireless network.
Each node in the ah-hoc network functions as the router to another node.
The terminals act like repeaters that relay the information packets flying back and forth about the ad-hoc network from one mobile terminal to the next.
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Mobile IPv6 Mobile IPv6 is a widely accepted solution
to provide session continuity and reachability to the Internet for mobile nodes.
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Mobile IPv6 Mobile IPv6 proxy-based architecture
selects the optimal communication mode direct in-vehicle, vehicle-to-vehicle, and vehicle-to-roadside communication
provides dynamic switching between vehicle-to-vehicle and vehicle-to-roadside communication mode
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Model for InVANET
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Goal of InVANET The main goal of VANET is to provide safety
and comfort for passengers.
Communication between vehicles can be used to realize driver support and active safety
services like collision warning, up-to-date traffic and weather information or active navigation systems.
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Examples There are also
multimedia and internet connectivity facilities
for passengers, all provided within the wireless coverage of each car.
Automatic payment for parking lots and toll collection are other examples of possibilities inside VANET.
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Characteristics Lack of pre-configuration, meaning
network configuration and management must be automatic and dynamic.
Node mobility, resulting in constantly changing network topologies.
Multi-hop routing.
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Characteristics Resource limited devices, e.g. laptops,
PDAs and mobile phones have power and CPU processing constraints.
Resource limited wireless communications, e.g. reduced to 10's of kilobits per second by the fact that many nodes must share the radio medium.
Potentially large networks, e.g. a network of sensors may comprise thousands or even tens of thousands of mobile nodes
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Advantages Inter-vehicular communication services such
as intersection collision warning, local danger warning, and the de-central dissemination of real-time traffic flow information.
The mobile terminals not only provide a function for information transmission and reception but also provide a function for information relay i.e. provides the function of router.
Ad-hoc network provides anytime, anywhere access environment.
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Challenges Scability of protocol
Introduction of Security
High-Speed Real-Time Communication
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Scenario
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Scenario Several actors involved in inter – vehicular
ad hoc network are:
The drivers, which benefit from the system by receiving warning messages and route recommendations.
Road operators, who receive traffic data and are therefore enabled to control the traffic in a more efficient way.
Hotspot and Internet service providers, who can attach vehicle communication systems e.g. at gas stations.
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Scenario – Safety use cases Cooperative Forward Collision Warning
Pre-Crash Sensing/Warning
Hazardous Location V2V Notification
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Scenario – Traffic Efficiency use cases Enhanced Route Guidance and Navigation
Green Light Optimal Speed Advisory
V2V Merging Assistance
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Scenario – Infotainment and Others use cases Internet Access in Vehicle
Point of Interest Notification
Remote Diagnostics
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Technical Prerequisites and Constraints Anonymity and Data Security Effective Protected Frequency Band Scalability Mandatory Sensor Data
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Architecture
two approaches can be taken. Layered Approach and
Un-layered Approach
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Layered Approach
protocols fulfill small, well-defined tasks and form a protocol stack
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Un-layered Approach
All application and communication protocols are placed in one single logical block
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Research efficient message dissemination, network scalability, and information security mechanisms
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Conclusion In InVANET, vehicles can communicate with
the roadside communication infrastructure and also among each other.
A vehicle is not only information source or sink, but also information distributor.
The communication services enable a wide range of applications, ranging from road safety and traffic efficiency, driving comfort and infotainment.
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Conclusion
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Question 1 In Intelligent Vehicular AdHoc network
(InVANET), vehicles are enabled to communicate among themselves i.e. V-2-V. It is explained that V-2-V enables communication for small to medium distances and at locations even where roadside access points are not available. Are we assuming that all the vehicles on the road will be equipped with communication/networking capabilities? If not, how realistic is InVANET?
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Question 2 Vehicles move in certain speeds. We have
roads or highways which have various speed limitations. Does InVANET impose any restriction on the speed of a vehicle for its smooth operation?
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Question 3 The basic safety message spreading in a
vehicular network consists of event warning message. But there are scenarios when message need to be delivered to specific areas example, to the end of a traffic jam queue so that arriving vehicles have the option of taking another route before getting stuck. How can the vehicular network support the secure routing?
any two nodes that wish to communicate securely can simply establish a priori a shared secret, to be used by their routing protocol modules.
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Question 4 Is the network expandable? How did the
cars in the network and the terminals maintain the flow control in the network?