大家好!我讲五个方面的内容:第一,移动通信现状与发展趋向。第二,位置信息在各种信息系统的重要性。第三,移动通信在3G的演进。第四,LBS在3G中的架构。第五,LBS在3G中的应用。大家知道,我们现在整个的电话用户总数是8.52亿,其中,固话用户是3.71亿户,移动用户是4 81亿户。这一个数据是第一季度的。这正式了大家的预测,我们移动终端要超过固定终端。过去有争论,固网发展那么长时 Hello everyone! I talk about five aspects: First, the status quo and development trend of mobile communications. Second, the importance of location information in a variety of information systems. Third, the evolution of mobile communications in 3G. Fourth, LBS in 3G architecture. Fifth, LBS in 3G applications. We all know that we now have a total of 852 million telephone subscribers, of which 371 million are fixed-line subscribers and 415.1 million are mobile subscribers. This data is the first quarter. This formally everyone’s prediction, we have more than a fixed terminal mobile terminal. There was controversy in the past, fixed-line development so long