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Call level performance analysis for multi-services wireless cellular networks

Authors Li, Lizhong
Li, Bin
Cao, Xiren HKUST affiliated (currently or previously)
Li, Bo View this author's profile
Issue Date 2003
Summary One of the key issues in the next generation wireless cellular networks is to support multiple services, in which call admission control policy has to guarantee the different Quality of Service (QoS) requirement from diverse applications, and at the same time ensure the scarce bandwidth be utilized efficiently. In this paper, we first build upon our proposed Dual Threshold Bandwidth Reservation (DTBR) scheme to integrate more realistic, variable data traffic, and then proceed to analyze the DTBR scheme using two-dimensional Markov process. Both analysis and simulation results indicate that, by keeping target handoff voice call dropping probability, adoption of elastic data traffic model can reduce handoff voice call dropping probability and improve overall system award; by adjusting the threshold values in the DTBR, we demonstrate that it is capable of satisfying different QoS requirements for voice and data traffic while achieving the maximum utility.
ISSN 0536-1486
ISBN 0780378024
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Language English
Format Conference paper
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