Performance enhancement of combining QoS provisioning and location management in wireless cellular networks

Authors:
Fei Yu;V. W.S. Wong;V. C.M. Leung
Affiliations:
Dept. of Electr. & Comput. Eng., Univ. of British Columbia, Vancouver, BC, Canada;-;-
Venue:
IEEE Transactions on Wireless Communications
Year:
2005

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Abstract

Quality-of-service (QoS) provisioning and location management (LM) in cellular networks are solved separately in previous work. For realistic network environments, we have proposed a framework of combining QoS provisioning and LM by using all available user mobility information. In this paper, we present performance evaluation to show that this framework can yield more efficient solutions for both. We propose a novel path-based LM scheme in this combined framework and evaluate the performance gain of the new scheme over the original path-based LM scheme by simulations. Further, we propose a new connection admission control (CAC) scheme derived from this combined framework for QoS provisioning and present results showing performance enhancements over CAC schemes proposed previously.