Introduce the technology of cell broadcast service in the GSM digital mobile communication system as well as its service application and future development prospect.
介绍在数字移动通信中小区广播业务的技术实现原理，业务种类及发展前景。
Cell broadcast messages are classified by topic and allocated a channel number, message code, update number, and language.
小区广播消息按主题分类，给每条消息都分配了通道号、消息代码、更新号和语言。
Cell broadcast messages are repeated at intervals over a period of time, which allows an MS to receive the message even if entering the cell after the first transmission.
在一段时间内会不时重复小区广播消息，从而使在第一次发送之后才进入小区的MS也能接收到消息。
Cell broadcast messages are repeated at intervals over a period of time, which allows an MS to receive the message even if entering the cell after the first transmission.
在一段时间内会不时重复小区广播消息，从而使在第一次发送之后才进入小区的MS也能接收到消息。
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