The embodiment of the invention discloses a machine type communication (MTC) system and method and device for off-line notification system, relates to the field of wireless communication, the type of machine used to solve the MTC system communication server (MTC server) or machine type communication users (MTC user) how to promptly informed the machine type communication device (MD). The problem of link status. In the invention, a mobility management entity (MME) or Serving GPRS support node (SGSN) detection in the link idle MD is reachable; in the link is detected the MD link is not reachable, notify MTC server and / or MTC user of the MD is not up to. By adopting the invention, MTC server and / or MTC user can learn the link state of MD in a timely manner.
【技术实现步骤摘要】
【技术保护点】
1.一种机器类型通信MTC系统中的离线通知的方法,其特征在于,该方法包括:移动性管理实体MME或服务通用分组无线业务支持节点SGSN检测处于空闲态的机器类型通信设备MD的链路是否可达;MME或SGSN在检测到所述MD的链路不可达时,通知机器类型通信服务器MTC server和/或机器类型通信用户MTC user所述MD的链路不可达。
【技术特征摘要】
【专利技术属性】
技术研发人员:何飞,徐晖,艾明,张娟,熊春山,王胡成,
申请(专利权)人:电信科学技术研究院,
类型:发明
国别省市:11[中国|北京]
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