基于实时空间信息的群通信按需路由方案

M. Mitsuishi, Daiki Nobayashi, T. Ikenaga, Y. Oie, H. Ishinishi, Akira Nagata, Katsuichi Nakamura
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引用次数: 4

摘要

广泛的高性能移动站和无线通信技术使人们随时随地享受各种网络服务成为可能。特别是,社交网络服务(sns)在用户之间提供各种各样的通信。我们的目标是实现真实空间通信,将日常生活中的信息交换和真实空间活动直接结合起来。因此,我们开发了三个子系统:(i)收集用户的个人和位置信息,(ii)管理大量用户信息并根据请求创建用户组,以及(iii)为被请求组中的所有用户发送消息。在本文中,我们重点关注第三子系统,特别是在广域无线网络(WiMAX, LTE等)和与wlan的设备对设备(ad hoc)通信的组合配置中。我们假设一些应该接收消息的用户由于无法到达的通信范围或发生灾难而无法使用广域无线网络,并且补充设备到设备的WLAN通信覆盖了这些用户。尽管多播通信可以为组中的用户提供有效的消息传递,但是开销随着向多个用户和组多播消息数量的增加而增加。提出了一种基于真实空间信息系统的群组通信按需路由方案,并通过仿真对该方案的有效性进行了评价。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On demand routing scheme for real-spatial information based group communication
Widespread high-performance mobile stations and wireless communication technologies make it possible to enjoy various network services anywhere at any time. In particular, social network services (SNSs) provide a wide variety of communication among users. We aim to achieve real-space communication that directly integrates information exchange and real-space activity in our daily lives. Therefore, we develop three subsystems: (i) gathering personal and location information of users, (ii) managing huge quantities of user information and creating a group of users on a request basis, and (iii) delivering a message for all users in a requested group. In this paper, we focus on the third subsystem, especially in a combinational configuration of wide-area wireless networks (WiMAX, LTE, and so on) and device-to-device (ad hoc) communication with WLANs. We assume that some users who should receive a message cannot use wide-area wireless networks due their inaccessible communication range or the occurrence of a disaster, and that supplemental device-to-device WLAN communication covers such users. Although multicast communication can provide effective message delivery to users in a group, the overhead increases with the increased number of messages multicast to many users and groups. We propose an on-demand routing scheme for group communication based on a real-spatial information system and evaluate the efficiency of the proposed scheme by a simulation.
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