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An ad hoc network comprises of mobile nodes forming a temporary network on the fly without the aid of any centralized administration or standard support services. A novel approach is used to provide QoS at the MAC layer by making the nodes possess the self-admission control capability based on the equivalent capacity in the network. Every mobile node incorporates a distributed priority scheduling algorithm that is based on the equivalent bandwidth of its application. IEEE 802.11 is also retained in this scheme which can be used by nodes not requiring any QoS. An 'Invitation' scheme is proposed to enhance the utilization in the network.
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