移动客户机位置管理研究

Study of Mobile Client Location Management

随着移动数据库和移动通信技术的发展,客户要求能在任何地点随时访问他所需要的信息。该文就是基于客户机移动的不确定性,从影响位置管理的两个方面:位置更新和位置查询出发,在分析前人的研究成果基础上,提出了一种基于虚拟服务器的位置管理方案,分析了其基本结构和工作流程。最后作了简短评价,并提出了以后的研究方向。

With the development of the Mobile database and mobile communication,users require to access to all information that they want at any of time and in any place.This Paper is produced based on the Mobile Client.From the two factors affecting the cost of location management :location update And location look_up,this paper analyses the reasearch of others and proposes one kind of location management based on the Virtual Server in order to resolve this problem.After analysing its basic structure and working flow,it gives a short comment and provides future research orientation.