基于双卡跳频的无线局域网监听技术研究  

Research on Techniques of WLAN Network Monitoring based on Dual-card Channel Hopping

作　　者：邢林虎[1] 朱志祥[1] 

机构地区：[1]西安邮电学院通信技术研究所,陕西西安710061

出　　处：《计算机安全》2011年第5期22-25,共4页Network & Computer Security

基　　金：国家科技重大专项项目(编号2009ZX03004-003-04)

摘　　要：对无线网卡包过滤引擎做了详细分析,指出一般监听技术无法实现动态监测全部频段的无线局域网通信,最后给出一种基于双卡跳频的无线局域网监听技术。实验测试结果表明,该技术具有可行性和有效性,可广泛应用于各种无线网络监听系统。After analyzed packet filtering engine of the wireless card,this paper proposes a WLAN monitoring technology based on dual-card channel hopping.This new technology makes the ability of dynamic monitoring of all band WLAN communications come true.The test results show that the technique is feasible and effective which can be widely used in various wireless network monitoring systems.

关 键 词：无线局域网 网络监听 射频模式 混杂模式 跳频 

分 类 号：TN925.93[电子电信—通信与信息系统]