A dynamic call admission control scheme for optimization with QoS provisioning in multiclass cellular networks

ABSTRACT

We propose a QoS Based call admission control (CAC) scheme designed for multiclass cellular networks. The scheme allocates the portions of the channel capacity to individual traffic classes, and by monitoring the call arrival patterns periodically updates the share of each class. For each traffic class, it treats new and handoff calls separately to keep the drop probability of handoff calls as small as possible to maintain the user satisfaction at a high level. Our modeling study and analysis show that the CAC mechanism is capable of both satisfying the Quality of Service requirements of multiple traffic classes while optimizing the system utilization.

REFERENCES

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INDEX TERMS

Primary Classification:
  C. Computer Systems Organization
  C.2 COMPUTER-COMMUNICATION NETWORKS
      C.2.1 Network Architecture and Design
          Subjects: Wireless communication

General Terms:
Algorithms, Performance

Keywords:
CAC, QoS, multiclass cellular network, utilization optimization