On Relationship between Timeout and Latency of Connection Re-establishment for Control Packet Loss Scenario in Bluetooth MANETs

Temma Ohtani, Eitaro Kohno, Y. Kakuda
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引用次数: 2

Abstract

Bluetooth MANETs, which consist of Bluetooth-enabled terminals, are a prospective methodology for mobile ad hoc networks (MANETs). Since Bluetooth is a connection-oriented and a low-power-consumption communication method, terminals must execute time-consuming connection establishment procedures in advance. We have to solve the following two problems for Bluetooth MANETs: (1) since terminals move within fields, terminals must establish their connection within a limited time. In addition, (2) since the communication area of Bluetooth is narrower than that of other technologies, established connections are easily disrupted. In order to solve problem (1), a low-latency connection establishment method has been proposed. However, there is no countermeasure for problem (2). Therefore, the possibility of rapid re-establishment for connections must be investigated. In this paper, we have proposed a rapid connection re-establishment method for control packet-loss scenarios and have investigated the effect of adjusting the configuration of the connection-establishment timeout parameter. We also have developed a Raspberry Pi-based application for our proposed method and have conducted experiments. We confirmed that our proposed method could re-establish connections in control packet-loss scenarios as the connection-establishment timeout decreases. However, we found that the time it takes to re-establish a connection is significantly long if the connection-establishment timeout configuration is 1 second.
蓝牙manet中控制丢包场景下连接重建超时与延迟的关系
蓝牙manet由支持蓝牙的终端组成,是移动自组织网络(manet)的一种有前景的方法。由于蓝牙是一种面向连接的低功耗通信方式,终端需要提前执行耗时的连接建立过程。蓝牙manet需要解决以下两个问题:(1)由于终端在区域内移动,终端必须在有限的时间内建立连接。此外,(2)由于蓝牙的通信区域比其他技术窄,建立的连接容易中断。为了解决问题(1),提出了一种低延迟连接建立方法。然而,对于问题(2)没有对策。因此,必须研究快速重建连接的可能性。本文提出了一种用于控制丢包场景的快速连接重建方法,并研究了调整连接建立超时参数配置的效果。我们还为我们提出的方法开发了一个基于Raspberry pi的应用程序,并进行了实验。结果表明,随着连接建立超时时间的减少,该方法可以在控制丢包的情况下重新建立连接。但是,我们发现,如果连接建立超时配置为1秒,则重新建立连接所需的时间非常长。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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