Accelerated Authentication Utilizing Refined Neighbor Graph for Handoff in WLAN

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题名:	Accelerated Authentication Utilizing Refined Neighbor Graph for Handoff in WLAN
作者:	Hung-Min Sun;Chiung-Hsun Chen;Tsai-Te Liao;Cheng-Kai Chen
贡献者:	Department of Computer Science,National Tsing Hua University
日期:	2007-12-20
上传时间:	2009-12-15
出版者:	亞洲大學資訊學院;中華電腦學會
摘要:	WLAN has grown in popularity recently according to the characteristics of wireless access and mobility. Voice applications on WLAN usually require to access network resource un-interruptedly. To keep high quality of communication for mobile users employing these applications, WLAN system must provide the ability of fast handoff across different AP. However, the WPA authentication requires much time such that WLAN is difficult to support the fast handoff. In this paper, we propose a secure accelerated authentication scheme based on refined neighbor graph. Through key pre-agreement between each STA and neighbor APs in advance and the reduction of handover authentication process, our protocol can reduce greatly authentication latency of handoff. Moreover, a refined neighbor graph can only selects the certain of APs that STA most likely roams into further to anticipate in key pre-generation. Consequently, our scheme can minimize efficiently network traffic load that results from key pre-agreement while providing the fast authentication of handoff.
關聯:	2007NCS全國計算機會議 12-20~21
显示于类别:	[資訊學院] 會議論文

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