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arXiv 1004.4444cs.NI
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一种无线网络智能呼叫接纳控制决策机制

An Intelligent Call Admission Control Decision Mechanism for Wireless Networks

Ramesh Babu H. S., Gowrishankar, Satyanarayana P. S

摘要:

呼叫接纳控制(CAC)是无线资源管理(RRM)技术中的一种,它在保证具有不同服务质量(QoS)要求的不同应用的用户所期望的服务质量(QoS)方面起着重要的作用。提出了一种基于模糊神经网络的多类业务下一代无线网络(NGWN)的呼叫接纳控制方法。提出的模糊神经呼叫接纳控制(FNCAC)方案是一个综合的CAC模块,它结合了模糊逻辑控制器的语言控制能力和神经网络的学习能力,该模型基于递归径向基函数网络(RRBFN)该模型具有较好的学习性和适应性,可用于开发异构网络中的智能流量处理系统环境建议FNCAC可以实现降低呼叫阻塞概率保持在最佳水平的资源利用率。在所提出的算法中,我们考虑了三个类的流量具有不同的QoS要求。我们已经考虑了异构网络环境,可以有效地处理这种流量。本研究所采用的业务类别为会话业务、交互业务和后台业务,这些业务具有不同的QoS参数。本文还提出了CAC的分析模型,比较了两种模型中三类业务的呼叫阻塞率。仿真结果表明,与基于模糊逻辑的CAC、传统CAC相比,FNCAC算法在呼叫阻塞率最小的情况下具有更好的性能。

英文摘要:

The Call admission control (CAC) is one of the Radio Resource Management (RRM) techniques plays instrumental role in ensuring the desired Quality of Service (QoS) to the users working on different applications which have diversified nature of QoS requirements. This paper proposes a fuzzy neural approach for call admission control in a multi class traffic based Next Generation Wireless Networks (NGWN). The proposed Fuzzy Neural Call Admission Control (FNCAC) scheme is an integrated CAC module that combines the linguistic control capabilities of the fuzzy logic controller and the learning capabilities of the neural networks .The model is based on Recurrent Radial Basis Function Networks (RRBFN) which have better learning and adaptability that can be used to develop the intelligent system to handle the incoming traffic in the heterogeneous network environment. The proposed FNCAC can achieve reduced call blocking probability keeping the resource utilisation at an optimal level. In the proposed algorithm we have considered three classes of traffic having different QoS requirements. We have considered the heterogeneous network environment which can effectively handle this traffic. The traffic classes taken for the study are Conversational traffic, Interactive traffic and back ground traffic which are with varied QoS parameters. The paper also presents the analytical model for the CAC .The paper compares the call blocking probabilities for all the three types of traffic in both the models. The simulation results indicate that compared to Fuzzy logic based CAC, Conventional CAC, The simulation results are optimistic and indicates that the proposed FNCAC algorithm performs better where the call blocking probability is minimal when compared to other two methods.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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