技术时常先于市场好几步。尽管第三代移动通信技术（3G）目前还可望而不可及，但我国第四代移动通信技术（4G）的研发已经在上海启动。近日，阿尔卡特公司亚太地区首个“研究与创新中心”在沪启动，4G成为该中心第一阶段的重点攻关项目。据介绍，作为中国863项目的一部分，第四 Technology often take several steps before the market. Although the third generation of mobile communication technology (3G) is still elusive at present, the research and development of the fourth generation of mobile communication technology (4G) in China has been started in Shanghai. Recently, Alcatel Asia Pacific’s first “research and innovation center” started in Shanghai, 4G became the center of the first phase of key research projects. According to reports, as part of China 863 project, the fourth