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An admission control Algorithm must organize among flows and should afford assurance of how the medium is shared between nodes. In a wired network, nodes can keep an eye on the medium to see how much bandwidth is being used by the network. On the other hand, in an Ad-Hoc network, during communication nodes possibly will use the bandwidth of neighbouring nodes. Consequently, the bandwidth consumption...
Due to the difficulty of QOS assurance for MANET(Mobile Ad hoc Network) in which the network topology changes dynamically, we improve the INSIGNIA protocol and proposes a method based on network measurement to provide better QOS assurance. This paper introduces the design principle and implementation of this method in details, and then introduces the system model of this method which is designed and...
Video-on-demand service in wireless networks is one important step to achieving the goal of providing video services anywhere anytime. Typically, carrier mobile networks are used to deliver videos wirelessly. Since every video stream comes from the base station, regardless of what bandwidth sharing techniques are being utilized, the media stream system is still limited by the network capacity of the...
Incentive models are becoming increasingly popular in mobile peer to peer networks (M-P2P) as these models entice node participation in return for a virtual currency to combat free riding and to effectively manage constraint resources in the network. Many routing protocols proposed are based on best effort data traffic policy, such as the shortest route selection (hop minimization). Using virtual...
For the demand of military affairs and treating with calamity, mobile ad hoc networks route protocol has become the issue of utmost priority. In this paper, the AODVSQ (ad hoc on demand distance vector link stability quality of service) is presented, which adopts back-up route mechanism and take bandwidth as QoS (quality of service) parameter. Testified by simulation, this protocol has got a bigger...
Quality of service (QoS) support for real-time applications (e.g., voice) in mobile ad hoc networks (MANETs) has drawn much attention from researchers nowadays. Currently, most of the efforts are only concentrated on the routing algorithms. This paper shows that the design of QoS routing algorithms should not be treated in isolation but must also consider the feature of medium access control (MAC)...
The joint spectrum center (JSC) has developed a Spectrum Simulation Testbed to model networking and spectrum aspects of wireless tactical networks. The spectrum simulation testbed uses OPNET Modeler to model a dynamic spectrum manager (DSM) technique that uses geographic position and spectral use information to assign spectrum resources to communication nodes, while maintaining a sufficient level...
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