Bandwidth borrowing‐based QoS approach for adaptive call admission control in multiclass traffic wireless cellular networks
Bandwidth borrowing‐based QoS approach for adaptive call admission control in multiclass traffic wireless cellular networks
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DOI：
10.1002/dac.1368
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发表时间：
2013-07
影响因子：
2.1
通讯作者：
Sharifa Al Khanjari;B. Arafeh;K. Day;N. Alzeidi
中科院分区：
文献类型：
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作者：
Sharifa Al Khanjari;B. Arafeh;K. Day;N. Alzeidi
本文提出了一种QoS方法的自适应呼叫接纳控制（CAC）方案的多类服务的无线蜂窝网络。建议CAC方案的QoS是通过呼叫带宽借用和呼叫抢占技术，根据业务类别的优先级，使用完整的共享可用带宽。CAC方案通过呼叫带宽降级机制和基于最小-最大和最大-最小策略分别进行公平资源释放和重新分配的呼叫带宽升级机制来维持每个类中的QoS以避免性能恶化。所提出的自适应CAC方案利用基于测量的系统性能在线监测方法和预测模型来确定从呼叫借用的带宽量或返回给呼叫的带宽量。基于仿真的性能评估所提出的自适应CAC方案显示了我们所提出的方案的强度和有效性。版权所有© 2011约翰威利父子有限公司.
This paper proposes a QoS approach for an adaptive call admission control (CAC) scheme for multiclass service wireless cellular networks. The QoS of the proposed CAC scheme is achieved through call bandwidth borrowing and call preemption techniques according to the priorities of the traffic classes, using complete sharing of the available bandwidth. The CAC scheme maintains QoS in each class to avoid performance deterioration through mechanisms for call bandwidth degradation, and call bandwidth upgrading based on min–max and max–min policies for fair resource deallocation and reallocation, respectively. The proposed adaptive CAC scheme utilizes a measurement‐based online monitoring approach of the system performance, and a prediction model to determine the amount of bandwidth to be borrowed from calls, or the amount of bandwidth to be returned to calls. The simulation‐based performance evaluation of the proposed adaptive CAC scheme shows the strength and effectiveness of our proposed scheme. Copyright © 2011 John Wiley & Sons, Ltd.