当今的通信世界正发生着日新月异的变化.本文着重从无线通信这一角度,介绍一些有关个人通信方面的情况.一、移动通信的现状图1示出了无线寻呼机的用户数.众所周知,使用该业务的用户一直是年轻人,而且近几年该业务迅猛发展,其原因有二:一方面人们需要这种能在户外进行信息接收的机器;另一方面,该机器犹如电子信箱,可以储存信息. Today’s world of communications is changing rapidly.This article focuses on the wireless communications from the perspective of some personal communications on the situation.First, the status of mobile communications Figure 1 shows the number of wireless pagers.As we all know, the use of the Business users have always been young, and the business is booming in recent years for two reasons: on the one hand, people want machines that can receive information outdoors; on the other hand, they act as electronic mail boxes that store information .