信息网络安全

信息网络安全 ›› 2015, Vol. 15 ›› Issue (6): 19-25.doi: 10.3969/j.issn.1671-1122.2015.06.004

• 技术研究 • 上一篇    下一篇

WiFi-WiMAX异构无线网络认证机制研究

黄海1, 谢冬青2(), 宋一赞1   

  1. 1.广州大学数学与信息科学学院,广东广州 510006
    2.广州大学计算机科学与教育软件学院,广东广州 510006
  • 收稿日期:2015-03-30 出版日期:2015-06-20 发布日期:2018-07-16
  • 作者简介:

    作者简介： 黄海（1982-）,男,湖南,博士,主要研究方向：网络安全;谢冬青（1965-）,男,湖南,教授,博士,主要研究方向：网络安全;宋一赞（1988-）,男,河南,硕士研究生,主要研究方向：网络安全。

  • 基金资助:
    国家自然科学基金委员会-广东省人民政府联合基金[U1135002];广东省高等学校高层次人才项目;广州市属高校“羊城学者”科研项目[10A033D]

Research on Authentication of WiFi-WiMAX Heterogeneous Wireless Network

HUANG Hai1, XIE Dong-qing2(), SONG Yi-zan1   

  1. 1.Department of Mathematics and Information Sciences, Guangzhou University, Guangzhou Guangdong 510006, China
    2.Department of Computer Science & Education Software, Guangzhou University , Guangzhou Guangdong 510006, China;
  • Received:2015-03-30 Online:2015-06-20 Published:2018-07-16

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摘要：

实现WiFi、WiMAX异构无线网络间的快速互联互通,需保证用户设备在无线网络切换时有较小的时延,同时又要保证切换时的通信质量。针对WiFi-WiMAX组网环境中切换认证时需要重复进行EAP认证,从而导致过高切换延迟的问题,文章提出一种快速认证机制,在用户设备初次入网执行完全EAP认证后,保留切换网络时所需要的MSK,并把MSK提前送至目标网络,网络切换时直接采用再利用密钥的方法进行认证,以达到快速认证的目的。文章通过NS2对提出的快速认证机制进行了模拟实验与分析,实验结果证明快速切换方法获得了最短的平均切换时延,改进了网络的认证效率,为用户提供了更好的QoS。

关键词: 异构网络, 快速切换, WiFi-WiMAX

Abstract:

To achieve fast interconnection between WiFi and WiMAX heterogeneous wireless network, it needs to make sure the user facility has small delay when switching in the wireless network, and it also needs to guarantee the communication quality when switching. In the WiFi-WiMAX heterogeneous wireless network, the authentication method requires the user to repeat full EAP authentication, which leads to excessive delay and influences the transmission quality. This paper puts forward a fast authentication mechanism that after completing the EAP authentication when users’ equipments access network for the first time, the MSK that is needed when switching network is kept and sent to the target network in advance. This paper adopts the method of reusing the key to achieve the goal of rapid authentication when switching network. Experiment is set with NS2 to prove that fast switching method obtains the shortest average switching delay, improving the efficiency of network authentication, and providing better QoS for the users.

Key words: heterogeneous network, fast switching, WiFi-WiMAX

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