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Since bandwidth is the most critical resource in mobile cellular networks, it is important to employ mechanisms for efficiently using the available bandwidth. Mobility of users and scarcity of bandwidth makes QoS provisioning a difficult task in cellular networks. In this paper, a call admission control (CAC) and resource reservation mechanism (RR) is described to provide a consistent QoS guarantee...
The handoff prioritization schemes in channel allocation are often carefully scheduled for it is more serious to drop an ongoing call than blocking a new call. In order to let the number of reserved channel for handoff prioritization be compatible with the real time handoff traffic variation in a cluster and seek the balance between the new call blocking probability and the handoff failure probability...
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