Mobile and Ad-hoc Networking

Current and previous projects in this area include ANWIRE, Mobile-VCE, and PAN.

QoS support for multimedia applications in mobile ad-hoc networks

A Mobile Ad-Hoc Network (MANET) is defined as an autonomous system of mobile routers connected by wireless links, the union of which forms an arbitrary graph. MANETs are self-creating, self-organising, and self-administrating. Since MANETs will be required to support real-time applications, effort have been made to support Quality of Service (QoS) in such networks. However, supporting QoS in a dynamic ad-hoc network is still an open challenge. The QoS mechanisms developed for conventional wired networks cannot be applied directly to an ad-hoc network due to its dynamic nature. The objective of this research, therefore, is to find a mechanism that can support QoS for multimedia applications in MANETs. The first task in this process is to devise a scalable routing protocol that can efficiently conserve the scarce channel bandwidth and transmission power in ad hoc networks. The work will then build a flexible QoS model on top of the devised routing mechanism.

 

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