Method for acquiring load situation during user-equipment switch, and MME
一种用户设备、状况的技术,应用在网络流量/资源管理、电气元件、无线通信等方向,能够解决承载连接状况改变、影响网络传输性能、不够准确等问题
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Embodiment 1
[0020] Embodiment 1: UE-AMBR is updated during X2 handover.
[0021] The MME remains unchanged when X2 is switched, and the processing flow is as follows figure 1 As shown, it specifically includes the following steps:
[0022] Step 100: Through attach or tracking area update (TAU) process, the source eNB obtains the handover area restriction information of the UE from the MME, and saves it in the UE context message of the eNB.
[0023] Step 101: The source eNB configures the measurement process of the UE according to the area restriction information.
[0024] Step 102: The UE triggers reporting of a measurement report.
[0025] Step 103: The source eNB executes a handover decision according to the measurement information reported by the UE and a radio resource management (RRM) algorithm.
[0026] Step 104: the source eNB sends a handover request message to the target eNB, requiring the target eNB to reserve resources for the UE, and transfers the UE context information sto...
Embodiment 2
[0039]Embodiment 2: UE-AMBR update process during S1 handover.
[0040] When S1 is switched, MME switching occurs, that is, switching from the source MME to the target MME. The processing flow is as follows: figure 2 shown, including the following steps:
[0041] Step 201 to Step 203: The source eNB decides to initiate a handover process. First, the source eNB judges whether the handover can be completed through the X2 interface. If not, it sends a handover request to the source MME to initiate a handover process based on the S1 interface. The source MME selects the target MME, and sends the UE context including the bearer information of the PDN gateway and the serving gateway to the target MME as a forward relocation request. The target MME learns from the received forward relocation request all the APNs activated when the UE is connected to the source eNB.
[0042] Step 204: This step is only used for serving gateway relocation, the target MME selects a target serving gat...
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