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Fundamental Research on Mobile Information Systems with Dynamically Variable Structure

动态变结构移动信息系统基础研究

基本信息

批准号：
10650355
负责人：
SENGOKU Masakazu
金额：
$ 1.79万
依托单位：
Niigata University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1998
资助国家：
日本
起止时间：
1998 至 1999
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-10650355/
关键词：
Mobile communication Network structure Dynamic Mobility of base stations Computer network User's mobility Communication traffic Location

项目摘要

In cellular systems, many cells are deployed and the service area is covered with these cells. A base station is located at the center of each cell. Mobile stations in a cell always communicate with other stations via base stations. Today's mobile communication systems employ the cellular system. Because the location of base stations of cellular systems is fixed, structure of cellular systems does not change. On the other hand, if base stations can move and mobile stations can be relay terminals, a new communication style is realized.The purpose of this project is to do fundamental research on mobile information systems with dynamically variable structure. We have considered about (1) Network architecture, (2) Network control, and (3) Network structure. We have obtained the following results.(1) We have proposed a system which enables mobile terminals to relay information.(2) We have proposed new routing algorithms and scheduling algorithms.(3) We have analyzed clustering algorithms, and we have shown difference between these algorithms.These results are fundamental technology for realizing mobile information systems with dynamically variable structure. Our future problems are to consider new services and applications of mobile information systems with dynamically variable structure.

在蜂窝系统中，部署了许多小区，并且服务区域被这些小区覆盖。基站位于每个小区的中心。小区中的移动的站总是经由基站与其它站通信。当今的移动的通信系统采用蜂窝系统。由于蜂窝系统的基站位置是固定的，所以蜂窝系统的结构不会改变。另一方面，如果基站可以移动，移动的基站可以作为中继终端，则可以实现一种新的通信方式。本课题的目的是对动态变结构的移动的信息系统进行基础研究。我们已经考虑了（1）网络体系结构，（2）网络控制，和（3）网络结构。我们得到了以下结果。(1)我们已经提出了一种使移动的终端能够中继信息的系统。(2)我们提出了新的路由算法和调度算法。(3)分析了聚类算法，指出了聚类算法之间的差异，为实现动态变结构的移动的信息系统提供了基础技术。我们未来的问题是考虑新的服务和应用的移动的信息系统的动态可变结构。