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移动通信使信息的传递快速、安全、可靠、灵活。如今已发展成一个包括移动电台、控制终端、有线和无线交换、计算机集中控制并可与公用电话网连接的综合系统。因此可以说它是一个综合了无线通信、有线通信和计算机技术的高技术密集系统。移动通信的业务广泛,有公众移动通信、火车移动通信、水上移动通信、航空移动通信、无线寻呼等等。从技术上和业务上大致可划为公用移动通信、专用业务移动通信和分散式移动通信三类。
Mobile communications make information delivery fast, secure, reliable and flexible. Today it has evolved into a comprehensive system that includes mobile stations, control terminals, wired and wireless switching, centralized computer control, and connection to the public switched telephone network. So it can be said that it is a combination of high-tech wireless communications, wireline communications and computer technology intensive system. A wide range of mobile communications business, there are public mobile communications, train mobile communications, maritime mobile communications, aeronautical mobile communications, wireless paging and so on. From the technical and business can be broadly classified as public mobile communications, dedicated business mobile communications and decentralized mobile communications three categories.