Quality of service for multimedia applications in mobile ad hoc networks

Quality of service for multimedia applications in mobile ad hoc networks

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Ad hoc network is a wireless network without having fixed equipment/components. Here, the mobile device functions as an endpoint as well as intermediate point. The intermediate points (devices) are used to forward the message if the two wireless mobile nodes are not within their transmission range. Current communication system is playing an important role to allocate the resources for the multimedia applications. This chapter discusses the various algorithms for the mobile wireless ad hoc networks, which is an efficient method to allocate the resources for the sensitive applications using the weighted fair queue system. This method is very important during the period of network congestion. This system allocates sufficient bandwidth and provides quality of service to the end-users. This chapter also talks about the quality of services at various layers of open system interconnection model. Adaptation schemes provide different levels of service to different classes of traffic. Some of the quality of service schemes propose that the class of traffic should be modified as a result of events occurring in the network. The quality of service driven resource management architecture is used to serve as a system-wide framework within which resource management decisions can be performed in a coordinated fashion. The resource allocation scheme for multimedia applications using mobile agent is used to allocate the resources in the mobile ad hoc network. In addition to that it allocates the resources for hand-off applications and new applications.

Chapter Contents:

  • 16.1 Introduction
  • 16.2 Characteristics of mobile ad hoc networks
  • 16.2.1 Unstructured network
  • 16.2.2 Distributed system
  • 16.2.3 Mobile host
  • 16.2.4 Limited transmission range
  • 16.2.5 Limited security
  • 16.3 Applications of mobile ad hoc networks
  • 16.3.1 Military purpose
  • 16.3.2 Rescue operations
  • 16.3.3 Personal area network and bluetooth
  • 16.4 Issues in QoS for mobile ad hoc networks
  • 16.4.1 QoS metrics
  • 16.4.2 QoS support in mobile ad hoc networks
  • 16.4.3 QoS in physical layer
  • 16.4.4 QoS in data link and network layers
  • 16.4.5 QoS in transport and application layers
  • 16.5 QoS architecture for resource management
  • 16.5.1 Application invocation model
  • 16.5.2 Logical application stream model
  • 16.5.3 Resource model and system model
  • 16.5.4 Single layer model
  • 16.5.5 Recursive model
  • 16.6 Adaptation schemes
  • 16.6.1 Adaptive management
  • 16.6.2 Dynamic class selection
  • 16.7 Scheduling for multimedia for streaming
  • 16.7.1 Static group-server scheduling
  • 16.7.2 Dynamic group-server scheduling
  • 16.7.3 Waited fair queue scheduling
  • 16.8 Support for multimedia applications
  • 16.8.1 Support for jitter-constrained applications
  • 16.8.2 Support for delay-constrained applications
  • 16.8.3 Support for bandwidth-constrained applications
  • 16.9 Resource allocation scheme for multimedia applications using mobile agent
  • 16.9.1 Network graph
  • 16.9.2 Mobile agent
  • 16.9.3 Manager agent and database
  • 16.10 Conclusion
  • References

Inspec keywords: multimedia communication; mobile handsets; mobility management (mobile radio); mobile ad hoc networks; telecommunication traffic; radio equipment; resource allocation; queueing theory; bandwidth allocation; quality of service; mobile agents

Other keywords: mobile agent; system-wide framework; bandwidth allocation; network congestion; resource allocation scheme; telecommunication traffic; multimedia application; quality of service; mobile wireless ad hoc network; hand-off application; open system interconnection model; wireless mobile device node; resource management architecture; intermediate point; weighted fair queue system

Subjects: Network management; Queueing systems; Queueing theory; Multimedia communications; Mobile radio systems

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