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The performance of any cellular wireless network, as well as its revenue (number of customers using the network, and their degree of satisfaction) is determined to a great extent by its Call Admission Control (CAC) protocol. As its name implies, the CAC determine if a new call request is granted, or rejected. In this paper, the authors propose a call admission control protocol for cellular multimedia wireless networks. Multimedia networks are characterized by a wide variety of bandwidth requests, priorities, and drop-off/rejection requirements by different customers. Their protocol depends on degrading the existing calls, according to their degradation priority, by reducing the bandwidth allocated to them in order to admit new calls according to their admission priority.
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