供稿、摄影：信息与电子学院 哈楠      摄影：潘浩

　　5月10日下午，在四号教学楼会议室，来自Stevens Institute of Technology, Hoboken, NJ的Dr.Yu-Dong Yao。为“北京理工大学信息与电子学院2010年博士生论坛”做了题目为《认知及软件无线电:研究问题与挑战》的讲座。信息与电子学院张笈书记、徐晓文副院长以及部分教师和博士生参加了本次讲座。

　　Dr.Yu-Dong Yao作为本次博士生论坛的主要嘉宾之一，精心准备了这场关于Cognitive Radio的学术讲座，讲座深入浅出地从介绍Cognitive Radio到目前相关领域的应用和发展状况，以及目前Dr.Yu-Dong Yao在该领域的科研成果和创新。最后也对该领域研究中遇到的困难和瓶颈进行了系统的分析，同时也指出了未来研究中所将遇到的挑战。在报告中Dr.Yu-Dong Yao演讲生动形象，与现场的教师和同学良好沟通互动。让在场的教师和同学迅速的对“认知及软件无线电”有了深刻的了解并且产生了浓厚的兴趣。

　　Dr.Yu-Dong Yao简介：

　　From 1989 and 1990, he was at Carleton University, Ottawa, Canada, as a Research Associate working on mobile radio communications. From 1990 to 1994, he was with Spar Aerospace Ltd., Montreal, Canada, where he was involved in research on satellite communications. From 1994 to 2000, he was with Qualcomm Inc., San Diego, CA, where he participated in research and development in wireless code-division multiple-access (CDMA) systems. He joined Stevens Institute of Technology, Hoboken, NJ, in 2000, where he is an Associate Professor in the Department of Electrical and Computer Engineering and a Director of the Wireless Information Systems Engineering Laboratory (WISELAB). He holds one Chinese patent and ten U.S. patents. He was a Guest Editor for a special issue on wireless networks for the International Journal of Communication Systems. His research interests include wireless communications and networks, spread spectrum and CDMA, antenna arrays and beamforming, SDR, and digital signal processing for wireless systems. Dr. Yao is an Associate Editor of IEEE Communications Letters and IEEE Transactions on Vehicular Technology, and an Editor for IEEE Transactions on Wireless Communications.

（审核：党华）