Application Scenarios
Ad-hoc applications
Personal area networking.
Cell phone, laptop, earphone, wristwatch.
Military environments.
Soldiers, tanks, planes.
Civilian environments.
Taxi cab network.
Meeting rooms.
Sports stadiums.
Boats, small aircraft.
Emergency operations.
Search-and-rescue.
Policing and firefighting.
Usage scenarios
Setting up fixed access points and backbone infrastructure is not always viable.
Infrastructure may not be present in a disaster area or war zone.
Infrastructure may not be practical for short-range radios; Bluetooth (range ~ 10m).
Ad-hoc networks.
Do not need backbone infrastructure support.
Are easy to deploy.
Useful when infrastructure is absent, destroyed, or impractical.
Or when the objective is to have.
Self-adapting and self-sufficient networks.
Networks with constant changes.
Networks that require mobility.
Moving networks.
The requirement to absent any external configuration and management process.
Civilian environments
Computer science classroom.
An ad-hoc network between student laptops.
Conference.
Users in different rooms access services through other users.
Shopping malls, restaurants, and coffee shops.
Customers spend part of the day in a networked mall of specialty shops, coffee shops, and restaurants.
Large campus.
Employees of a company moving within a large campus with laptops, and cellphones.
Traffic networks (smart cars and smart roads).
Board systems talk with the road.
Map delays and blocks.
Obtain maps.
Inform the road about its actions.
Finding out empty parking lots in a city, without asking a server.
Car-to-car communication.
Military environments
Combat regiment in the field.
Around 4000-8000, objects are in constant and unpredictable movement.
Force intercommunication.
Proximity, function, battle plan.
Moving soldiers with wearable computers.
Eavesdropping, denial-of-service, and impersonation attacks can be launched.
Advantages.
Low detection probability.
Random topology and association between nodes.
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