(一)高度信息化与移动通信1.高度信息时代对移动通信的要求历来认为,通信的理想形式是:任何时候,在任何地点,都可与任何人自由会话。电话发明并投入实用以来的一百余年,电话网的扩大和性能的提高,使固定点对点的通话已基本接近这一理想。计算机的迅速发展产生社会的高度信息化,这引起对计算机通信、图像通信需 (A) of a high degree of information and mobile communications 1. The height of the era of information requirements for mobile communications Historically, the ideal form of communication is: at any time, anywhere, can be free to talk with anyone. More than a century after the phone was invented and put into practical use, the expansion of the telephone network and the improvement of its performance have made the fixed point-to-point call basically close to this ideal. The rapid development of computers has led to a high degree of information society, which led to the computer communication, image communication needs