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A Fast Handoff Mechanism for Wireless LAN

机译:无线局域网的快速切换机制

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Wireless Local Area Network (WLAN) is the current technology which provides services with high bandwidth and low latency. It is one of the reasons for which it is preferred over several other wireless data networks. However, there are a few problems associated with it. Handoff is one such problem. Handoff process takes place when a mobile terminal moves from one access point to another. Existing methods require around 400ms for the handoff process, which causes serious problems for multimedia applications like audio and video streaming and real time applications like Voice over IP (VoIP). We use the concept of Triangulation which is used by Global Positioning System (GPS). It helps in efficiently predicting the next most likely access point with-out actual handoff, thereby almost eliminating discovery delay which poses almost 50 to 80% of the delay.
机译:无线局域网(WLAN)是当前的技术,可提供高带宽和低延迟的服务。这是它比其他几个无线数据网络更受青睐的原因之一。但是,存在一些与此相关的问题。交接就是这样的问题之一。当移动终端从一个接入点移动到另一接入点时,发生切换过程。现有方法需要大约400ms的切换过程,这对于诸如音频和视频流之类的多媒体应用以及诸如IP语音(VoIP)的实时应用会造成严重问题。我们使用全球定位系统(GPS)使用的三角剖分的概念。它有助于在没有实际切换的情况下有效地预测下一个最可能的接入点,从而几乎消除了发现延迟,该延迟几乎占延迟的50%至80%。

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