A novel distributed call admission control for wireless mobile multimedia networks

  • Authors:
  • Youssef Iraqi;Raouf Boutaba

  • Affiliations:
  • University of Waterloo, CS, 200 University Avenue West, Waterloo, Ont. N2L 3G1, Canada;University of Waterloo, CS, 200 University Avenue West, Waterloo, Ont. N2L 3G1, Canada

  • Venue:
  • WOWMOM '00 Proceedings of the 3rd ACM international workshop on Wireless mobile multimedia
  • Year:
  • 2000

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Abstract

This paper introduces a novel distributed call admission control framework developed for cellular mobile networks. The main feature of the proposed framework is a more efficient support for mobile multimedia users having dynamic bandwidth requirements. This is achieved by reducing the call dropping probability while maintaining a high network resource utilization. A call admission control algorithm is proposed in this paper and involves not only the original cell (handling the new admission request) but also a cluster of neighboring cells. The neighboring cells provide significant information about their ability to support the new mobile user in the future. This distributed process allows the original cell to make a more clear-sighted admission decision for the new user. Simulations are provided to show the improvements obtained using our framework.