A lecture entitled "information network science" was organized by Viaon Technology and Southeast University Postgraduate School at Dushu Lake Higher Education Town on April 1, with the attendance of some 50 teachers and PhD students and research staff from Viaon Technology. Dr. Xu Deqing, Chairman of Viaon Technology, presided over the lecture, and the principal speaker was Dr. Ye Meng, a professor in electrical engineering and computer science at Yale University. The lecture, mainly focused on theory of wireless communication network and its application in 3G and other fields, was warmly received and followed by a lively discussion.