802.11协议下的节点移动切换算法研究与实现.rar

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  • 更新时间:2014-07-15
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摘要:近年来,802.11协议下的无线网络成为了社会的最新热议话题,它已经慢慢的走进人们的生产、生活之中。人们通过无线网络可以随时随地的进行网上浏览查阅资料,与好友聊天交流,也可以通过无线网络进行办公等等。随着无线网络的一路走红,WIFI这个新名词,也在慢慢地被人们所熟知。人们通过移动终端连接无线接入点AP来进行数据、语音的传输。本文主要是移动终端在移动中,对节点切换过程进行了研究,提出了一种节点间切换的算法。详细分析了移动节点在切换中经过的切换检测、扫描、认证和重连接过程。对节点切换检测、信道的扫描、移动终端与节点之间的认证和重新连接到新的AP上这四个过程,进行了详细的切换性能分析与研究。结合无线网络实验平台结构,分析设计了本文切换算法所需的网络平台。

在Eclipse开发环境下编写算法程序,对算法界面布局和运行流程做了较为详细的分析。在网络平台的基础上,结合Android手机移动终端和UNIFI Controller管理软件采集的数据分析,算法基本能满足设计要求,能够实现节点间的切换。

关键词  802.11协议;WIFI;切换

 

Abstract:In recent years, wireless network 802.11 under the agreement becomes the new hot social topic, it has been slowly into people's production, life. People can through the wireless network whenever and wherever possible to browse the Internet access to information, chat with friends, can also be carried out through the wireless network, office etc.. With a wireless network popularity, the WIFI of the new term, are slowly being known. People through the transmission of mobile terminal connected to a wireless access point AP for data, voice. This paper is a mobile terminal in a mobile, the node switching process were studied, proposed a node switching algorithm. A detailed analysis of the change detection, scanning, and mobile node authentication in handover after reconnection process. Between the node switching detection, channel scanning, mobile terminal and the node authentication and reconnect to the new AP these four processes, are analyzed and studied in detail the switching performance. Combined with wireless network experiment platform structure, analysis and design of the switching algorithm required network platform.

Algorithm program in Eclipse development environment, to do a detailed analysis of the algorithm interface layout and operation process. Based on the network platform, combined with the analysis of Android mobile phone mobile terminal and UNIFI Controller management software of data collection, the algorithm can meet the design requirements, can realize the switching nodes.

Keywords  802.11 protocol  WIFI switching


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