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首页> 外文会议>International Workshop on Mobility Aware Technologies and Applications(MATA 2004); 20041020-22; Florianoplis(BR) >Mobility Prediction for Mobile Agent-Based Service Continuity in the Wireless Internet
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Mobility Prediction for Mobile Agent-Based Service Continuity in the Wireless Internet

机译：无线Internet中基于移动代理的服务连续性的移动性预测

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摘要

New challenging deployment scenarios are integrating mobile devices with limited and heterogeneous capabilities that roam among wireless access localities during service provisioning. This calls for novel middleware solutions not only to support different forms of mobility and connectivity in wired-wireless integrated networks, but also to perform personalized service reconfiguration/adaptation depending on client characteristics and in response to changes of wireless access locality. The paper proposes the adoption of Mobile Agent (MA) proxies working at the wired-wireless network edges to support the personalized access of limited wireless clients to their needed resources on the fixed network. In particular, the paper focuses on how to predict device mobility between IEEE 802.11 cells in a portable lightweight way, with no need of external global positioning systems. In fact, we claim that mobility prediction is crucial to maintain service continuity: MA-based proxies can migrate in advance to the wireless cells where mobile clients are going to reconnect to, in order to anticipate the local rearrangement of personalized sessions. The paper proposes and evaluates different mobility prediction solutions based on either client-side received signal strength or Ekahau positioning, all integrated in the SOMA platform. Both simulation and experimental results show that SOMA can predict the next visited cell with a very limited overhead and enough in advance to maintain service continuity for a large class of wireless Internet services.
机译：新的具有挑战性的部署方案正在集成具有有限功能和异构功能的移动设备，这些功能会在服务供应期间在无线访问区域之间漫游。这要求新颖的中间件解决方案，不仅要支持有线无线集成网络中不同形式的移动性和连接性，还要根据客户端的特性并响应于无线访问位置的变化来执行个性化的服务重新配置/适配。本文提出了在有线无线网络边缘工作的移动代理（MA）代理的采用，以支持有限无线客户端对其固定网络上所需资源的个性化访问。特别是，本文着重介绍了如何以便携式轻量级方式预测IEEE 802.11单元之间的设备移动性，而无需外部全球定位系统。实际上，我们声称移动性预测对于维持服务的连续性至关重要：基于MA的代理可以提前迁移到移动客户端将重新连接到的无线小区，以预测个性化会话的本地重新安排。本文基于客户端接收信号强度或Ekahau定位提出并评估了不同的移动性预测解决方案，这些解决方案均集成在SOMA平台中。仿真和实验结果均表明，SOMA可以以非常有限的开销并且足够提前地为大型无线Internet服务维持服务连续性来预测下一个被访问的小区。

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