八十年代初的蜂窝革命使移动通信得到了很大的发展。今天,无线通信更是倍受世界各国的普遍重视。随着无线通信技术的不断进步,构成无线通信网的蜂窝移动通信网、分组无线网和无线局域网都有可能发展成为未来个人通信网络的过渡方式。 The cellular revolution in the early 1980s made mobile communications a big development. Today, wireless communication is much valued by all countries in the world. With the continuous advancement of wireless communication technology, the cellular mobile communication network, the packet wireless network and the wireless local area network which constitute the wireless communication network are all likely to develop into a transition mode for the future personal communication network.