Performance evaluation of priority based adaptive multiguard channel call admission control for multiclass services in mobile networks

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題名:	Performance evaluation of priority based adaptive multiguard channel call admission control for multiclass services in mobile networks
作者:	吳中實;Yang, Shun-Fang;Wu, Jung-Shyr;Hwang, Bor-Jiunn
貢獻者:	資訊電機學院通訊工程學系
關鍵詞:	adaptive channel reservation;Admission control;call admission control;Channels;Dynamics;Mathematical analysis;Mathematical models;multiguard channel;multiservice;Networks;Traffic engineering;Traffic flow
日期:	2013-05-01
上傳時間:	2026-04-23 13:06:16 (UTC+8)
出版者:	John Wiley and Sons Ltd;Chichester: Blackwell Publishing Ltd
摘要:	摘要： SUMMARYThe CAC (call admission control), which can guarantee call services to meet their QoS (Quality of Service) requirements, plays a significant role in providing QoS in wireless mobile networks. In this paper, an adaptive multiguard channel scheme‐based CAC strategy is proposed to prioritize traffic types and handoff calls. The major aim of the study is to develop the analytical model of the priority traffic and handoff calls based adaptive multiguard channel scheme and examining the performance through setting the value of the adaptive ratio parameters. Our proposed scheme tries to mediate the advantages and drawbacks of the static and dynamic CAC schemes. The proposed scheme is quite different from previous studies because multithreshold values have been considered for multiclass traffic by adaption parameters, and a closed form analytical model is developed The numerical results show that this scheme can be used to keep the targeted QoS requirement by suitably setting the adaptive ratio parameters. Copyright © 2011 John Wiley & Sons, Ltd. This paper proposes an adaptive multiguard channel scheme‐based call admission control strategy to prioritize traffic types and handoff calls. The major aim of this paper is to highlight the key elements in this complex issue and try to mediate the advantages and drawbacks of the static and dynamic call admission control scheme. We propose using adaptive ratio parameters to adjust the boundary of the multiguard channels and develop a one‐dimensional Markov chain model to evaluate the system performance. The numerical results show that this scheme can be used to keep the targeted QoS requirement by suitably setting the adaptive ratio parameters. 其他題名： Int. J. Commun. Syst 出版者： Chichester: Blackwell Publishing Ltd 出版日期： 2013-05 出處： International journal of communication systems, 2013-05, Vol.26 (5), p.597-609 資源來源： Wiley Online Library - AutoHoldings Journals 版權： Copyright © 2011 John Wiley & Sons, Ltd. 版權： Copyright © 2013 John Wiley & Sons, Ltd. 識別號： ISSN: 1074-5351 識別號： EISSN: 1099-1131 識別號： DOI: 10.1002/dac.1364
顯示於類別:	[通訊工程學系] 期刊論文

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