在移动通信不断升级换代的变革时期,3G标准纷争成为了人们讨论的焦点。连宇通信公司的首席科学家李道本教授首创的LAS-CDMA技术由于具有频谱效率高、容量大、全IP无线网络及系统要求简易等特点而日益受到了人们的关注。李道本教授戏称,自己三十多年才解决了一个问题,一辈子只做了一件事。作为文革前中国为数不多的研究生之一,他毕业后一直工作在北京邮电大学。从六 In the changing period of continuous upgrading of mobile communications, the 3G standard dispute has become the focus of discussion. The first LAS-CDMA technology pioneered by Li Daoben, the chief scientist of Lianyu Telecommunications, has drawn increasing attention because of its features of high spectral efficiency, large capacity, complete IP wireless network and simple system requirements. Professor Li Daoben claimed that he has solved only one problem for more than three decades and has done only one thing for his whole life. As one of the few postgraduates in China before the Cultural Revolution, he worked in Beijing University of Posts and Telecommunications after graduation. From six