5G终端件24种测量报告事汇总

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Release18的5G(NR)终端测量报告事件原创 和老康一起学5G [url=]和老康一起学5G[/url] 2025年04月13日 08:30 北京


移动通信中终端(UE)对服务小区和邻小区的无线信号测量对确定系统健康状况、保持其移动性及网络决策都非常重要；网络根据终端的测量报告分配管理资源并最终实现服务质量。

一、无线测量由终端设备(UE)和网络(gNB)共同进行；通常终端设备(UE)测量下行链路信号，网络(个NB)测量上行链路信号。终端(UE)也可以测量其他终端设备(UE)发送的上行链路信号。

二、测量报告 终端设备(UE)根据网络配置对下行链路和其他终端设备(UE)的上行链路信号进行测量，在满足设定条件时向网络侧报告；这些报告主要用于：

• 切换优化:确保在当前连接质量下降时，将UE切换到不同小区或频率，从而保持稳定和不间断的服务。
• 资源管理:在必要时触发测量和移动程序，从而有效管理无线资源，减少不必要信令和网络负载。
• 无缝连接:实现不同小区和频率之间平稳无缝转换，在移动过程中提供一致用户体验。
• 网络效率:根据实时无线条件和用户设备功能做出智能决策，优化网络性能。
  
  

三、5G(NR)测量事件 3GPP在TS38.331和TS36.331中定义了5G终端(UE)测量报告事件，用于确保5G和4G网络中高效移动和切换管理；这些事件用于在满足某些条件时触发用户设备(UE)和网络中特定操作和程序，以确保移动设备在覆盖范围内移动时无缝连接和最佳性能。其中在TS38.331 R17中定义涵盖了各种场景，如检测UE何时移向小区边缘、识别更强的相邻小区或确定由于无线条件变化而需要切换并确保用户在移动条件下体验可靠和高质量的连接。

四、测量事件随着对UAV支持3GPP在38.331 R18中定义了24类测量事件(见下表)

Event Type	Purpose of events
Event A1	Serving becomes better than   threshold
Event A2	Serving becomes worse than   threshold
Event A3	Neighbour becomes offset better   than SpCell
Event A4	Neighbour becomes better than   threshold
Event A5	SpCell becomes worse than   threshold1 and neighbour becomes better than threshold2
Event A6	Neighbour becomes offset better   than SCell
Event B1	Inter RAT neighbour becomes   better than threshold
Event B2	PCell becomes worse than   threshold1 and inter RAT neighbour becomes better than threshold2
Event I1	Interference becomes higher than   threshold
Event C1	The NR sidelink channel busy   ratio is above a threshold
Event C2	The NR sidelink channel busy   ratio is below a threshold
Event D1	Distance between UE and   referenceLocation1 is above threshold1 and distance between UE   andreferenceLocation2 is below threshold2
Event D2	Distance   between UE and the serving cell moving reference location is above threshold1   and distance between UE and a moving reference location is below threshold2
CondEvent T1	Time measured at UE is within a   duration from threshold
Event X1	Serving L2 U2N Relay UE becomes   worse than threshold1 and NR Cell becomes better than threshold2
Event X2	Serving L2 U2N Relay UE becomes   worse than threshold
Event Y1	PCell becomes worse than   threshold1 and candidate L2 U2N Relay UE becomes better than threshold2
Event Y2	Candidate L2 U2N Relay UE   becomes better than threshold
Event A3H1	Neighbour   becomes offset better than SpCell and the Aerial UE altitude becomes higher   than a threshold
Event A3H2	Neighbour   becomes offset better than SpCell and the Aerial UE altitude becomes lower   than a threshold
Event A4H1-1	Neighbour becomes better than threshold1 and   the Aerial UE altitude becomes higher than a threshold2
Event A4H1-2	Neighbour   becomes better than threshold1 and the Aerial UE altitude becomes lower than   a threshold2
Event A5H1	SpCell   becomes worse than threshold1 and neighbour becomes better than threshold2   and the Aerial UE altitude becomes higher than a threshold3
Event A5H2	SpCell   becomes worse than threshold1 and neighbour becomes better than threshold2   and the Aerial UE altitude becomes lower than a threshold3

附:5G终端(UE)测量及测量报告事件

• [url=]5G终端(UE)测量报告---总纲[/url]
• [url=]5G终端(UE)测量报告---测量配置[/url]
• [url=]5G终端(UE)测量报告---配置处理[/url]
• [url=]5G终端(UE)测量报告---网络配置[/url]
• [url=]5G终端(UE)测量报告---参考信号配置[/url]
• [url=]5G终端(UE)测量报告---RSSI测量配置[/url]
• [url=]5G终端(UE)测量报告---执行测量[/url]
• [url=]5G终端(UE)测量报告---层三滤波[/url]
• [url=]5G终端(UE)测量报告---A1和A2事件[/url]
• [url=]5G终端(UE)测量报告---A3和A4事件[/url]
• [url=]5G终端(UE)测量报告---A5事件[/url]
• [url=]5G终端(UE)测量报告---A6事件[/url]
• [url=]5G终端(UE)测量报告---B1事件[/url]
• [url=]5G终端(UE)测量报告---B2事件[/url]
• [url=]5G终端(UE)测量报告---I1事件[/url]
• [url=]5G终端(UE)测量报告---C1和C2事件[/url]
• [url=]5G终端(UE)测量报告---D1和D2事件[/url]
• [url=]5G终端(UE)测量报告---CondEvent T1[/url]
• [url=]5G终端(UE)测量报告---X1事件[/url]
• [url=]5G终端(UE)测量报告---X2事件[/url]
• [url=]5G终端(UE)测量报告---Y1事件[/url]
• [url=]5G终端(UE)测量报告---Y2事件[/url]
• [url=]5G终端(UE)测量报告---Z1事件[/url]
• [url=]5G终端(UE)测量报告---H1和H2事件[/url]
• [url=]5G终端(UE)测量报告---A3H1事件[/url]
• [url=]5G终端(UE)测量报告---A3H2事件[/url]
• [url=]5G终端(UE)测量报告---A4H1事件[/url]
• [url=]5G终端(UE)测量报告---A4H2事件[/url]
• [url=]5G终端(UE)测量报告---A5H1事件[/url]
• [url=]5G终端(UE)测量报告---A5H2事件[/url]