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首页> 外文会议>IEEE Africon Conference in Africa >Performance modeling of an inter-cluster handoff path extension scheme in wireless ATM networks
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Performance modeling of an inter-cluster handoff path extension scheme in wireless ATM networks

机译：无线ATM网络中集群切换路径扩展方案的性能建模

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In this paper we investigate the issues of extending the ATM capabilities in mobile wireless networks focusing on the support of a fast and seamless handoff. The design objective is to prevent any service disruption during and after handoff. In the current wireless networks as the population of mobiles increases the cell radii will be further reduced so the handoff will occur more frequently and handoff processing load may cause a bottleneck. The inter-cluster handoff scheme is more involved as the new connection needs to be rerouted. We propose a fast handoff management scheme based on the reservation of Permanent Virtual Channels (PVCs) between any two adjacent Mobility Enhanced Switches (MESs) in order to facilitate a seamless handoff that can support a high speed handoff connection processing load. Both analytical and simulation models are presented to calculate the PVC bandwidth for a given handoff blocking probability. Discussions and conclusions are drawn on the results obtained.
机译：在本文中，我们调查在移动无线网络中扩展ATM功能的问题，这些功能集中在快速和无缝切换的支持。设计目标是防止切换期间和之后的任何服务中断。在当前的无线网络作为移动台的增加而增加的人口小区半径将进一步减小，从而越区切换会更频繁地发生越区切换和处理负荷可能导致的瓶颈。群集间切换方案更符合新的连接需要重新输出。我们提出了一种快速切换管理方案，基于任何两个相邻的移动增强型开关（混乱）之间的永久虚拟通道（PVC）的保留，以便于能够支持高速切换连接处理负载的无缝切换。提出了分析和仿真模型来计算给定切换阻塞概率的PVC带宽。讨论和结论在获得的结果上绘制。

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