Journal of Communications and Networks

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Adaptive Call Admission Control Scheme for Heterogeneous Overlay Networks

  • Kim, Sung-Wook (Department of Computer Science and Engineering, Sogang University)
  • Received : 2011.06.21
  • Published : 2012.08.31
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Abstract

Any future heterogeneous overlay network system must be able to support ubiquitous access across multiple wireless networks. To coordinate these diverse network environments, one challenging task is a call admission decision among different types of network. In this paper, we propose a new call admission control scheme to provide quality of service (QoS) while ensuring system efficiency. Based on the interplay between network structure and dynamics, we estimate the network's QoS level and adjust the service price adaptively with the aim of maximizing the network performance. A simulation shows that the proposed scheme can approximate an optimized solution while ensuring a well-balanced network performance in widely different network environments.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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