Dynamic optimization on call admission control in hierarchical mobile IPv6

被引：0

作者：

Huang G. ^{[1
,2
]}

Chen Z. ^{[1
]}

Zhao M. ^{[1
]}

Li Q. ^{[1
]}

Liang P. ^{[2
]}

机构：

[1] School of Information Science and Engineering, Central South University

[2] College of Physics Science and Information Engineering, Jishou University

来源：

Gaojishu Tongxin/Chinese High Technology Letters | 2010年 / 20卷 / 01期

关键词：

Call admission control; Hierarchical mobile IP; Quality of service; Wireless network;

D O I：

10.3772/j.issn.1002-0470.2010.01.003

中图分类号：

学科分类号：

摘要：

The paper studies on radio resource management in hierarchical mobile IPv6, and proposes a dynamic threshold-based call admission control (DT-CAC) scheme. Through establishing a Markov queuing model of wireless call admission, the proposed scheme can dynamically adjust the call admission thresholds of handoff call and new call according to various network load conditions, reduce the handoff call dropping probability (HDP), and restrict the increase of the new call blocking probability (CBP). Consequently, DT-CAC scheme can achieve a trade-off between HDP and CBP. The simulation results show that DT-CAC scheme outperforms the existing protocols in terms of HDP, CBP, and resource utilization. Under a high call traffic load, DT-CAC can reduce HDP and CBP by about 6%, achieve a high resource utilization ratio of more than 85%.

引用

页码：14 / 20

页数：6

共 15 条

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