A/Gb 模式下的 GPRS 移动管理状态介绍

Mumu_liu

1.IDLE StateIn GPRS IDLE state,the subscriber is not attached to GPRS mobility management,The MS and SGSN contexts hold no valid location or routing information for the subscriber.The subscriber-related mobility management procedures is not performed.The MS performs PLMN selection and cell selectiong and re-selection.Data transmission to and from the mobile subscriber as well as the paging of the subscriber is not possible.The GPRS MS is seen as not reachable in this case.In order to establish MM contexts in the MS and the SGSN,the MS shall perform the GPRS attach procedure.空闲状态在GPRS 空间状态,签约者没附着到GPRS移动管理,在移动台和GPRS 服务支撑节点的上下文中没有签约者有效的位置和路由信息.签约者相关的移动管理规程没有被执行.移动台执行公共陆地移动网络的选择、小区的选择和重选。移动台不能接收和发送数据，也不能寻呼。在该状态下的移动台被认为是不可到达的，为了在移动台和GPRS服务支撑节点中建立移动管理上下文，移动台需要执行GPRS附着规程。