The SGSN supervises the paging procedure with a timer.
SGSN通过一个计时器来监管寻呼流程。
Delete Subscriber data procedure, used to remove subscription data from the SGSN.
删除签约用户数据流程，用于移除在SGSN中的签约用户数据。
If ISR is not activated, the SGSN shall directly delete the concerned PDP context.
如果ISR没有激活，那SGSN应直接删除相关连的PDP上下文。
The ran node applications, which use the RIM procedures, are fully transparent for the SGSN.
RAN节点的上层应用，也可以使用RIM流程，这对SGSN是完全透明的。
In order to establish MM contexts in the MS and the SGSN, the MS shall perform the GPRS Attach procedure.
为了在移动台和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。
The paging procedure shall move the MM state to READY to allow the SGSN to forward downlink data to the radio resource.
寻呼的流程应将MM状态迁移到READY，来允许SGSN来转发下行数据到这个空口的资源。
Therefore, any uplink data from the MS that moves the MM context at the SGSN to READY state is a valid response to paging.
因此，任何从MS来的上行数据都将做为一个有效的寻呼响应，并将在SGSN中MM上下文的状态变更为READY状态。
If the SGSN received the message from a BSC it copies the destination address from the message into the RIM routing address.
如果SGSN从一个BSC收到了相应的消息，它将把消息的目的地址复制到RIM路由地址。
If the destination address or RIM routing address identifies an RNC the SGSN includes the RIM routing address in the GTP message.
如果目的地址或RIM路由地址识别出来了一个RNC，那SGSN将在GTP消息中包含RIM的路由信息。
The SGSN shall then send these parameters in each page request to the BSS that uses this information and the IMSI to calculate the correct paging group.
SGSN应将这些信息放到每个寻呼请求中发给BSS，并使用这些信息和IMSI来计算正确的寻呼组。
The SGSN connected to the destination RAN node decides which RAN node to send the message to based on the destination address or on the RIM routing address.
连接到目的RAN节点的SGSN将根据目的地址或RIM路由地址来决定给哪个RAN节点发送消息。
The mobility databases (HLR, VLR and SGSN) of WCDMA stores the subscription and location information of subscriber. It plays a very important role in the WCDMA mobility network.
WCDMA移动数据库(HLR、VLR和SGSN)保存着用户的所有签约信息、位置信息，其网络位置十分重要。
The handling of static addresses, which are sent by the MS, is retained in the SGSN in order to ensure backwards compatibility for MSs implemented according to earlier protocol releases.
对于这种由MS发过来的静态地址的处理，在SGSN中仍保持着，这是为了保持和MS中这个协议早期版本的向后兼容性。
The handling of static addresses, which are sent by the MS, is retained in the SGSN in order to ensure backwards compatibility for MSs implemented according to earlier protocol releases.
对于这种由MS发过来的静态地址的处理，在SGSN中仍保持着，这是为了保持和MS中这个协议早期版本的向后兼容性。
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