Measurement report triggering（3GPP）
Ms：服务小区测量结果
Mn：邻小区测量结果
Mp：主小区测量结果
Ofn：邻小区特定频率偏置
Ocn：邻小区小区特定偏置
Ofp：主小区特定频率偏置
Ocp：邻小区小区特定偏置
Off：事件偏置
Hys：事件迟滞参数
Thresh：事件门限
Mcr：参考信号测量结果
Ocr：参考信号偏置
Mref：参考信号参考值
Oref：参考信号参考偏置
Event A1 (Serving becomes better than threshold)服务小区高于一定门限
触发条件：Ms -Hys > Thresh
离开条件：Ms + Hys < Thresh
Event A2 (Serving becomes worse than threshold)服务小区低于一定门限
触发条件：Ms + Hys < Thresh
离开条件：Ms -Hys > Thresh
Event A3 (Neighbour becomes offset better than PCell/ PSCell)邻小区高于主小区
触发条件：Mn+Ofn+Ocn-Hys > Mp +Ofp +Ocp +Off
离开条件：Mn+Ofn+Ocn+ Hys < Mp +Ofp +Ocp +Off
Event A4 (Neighbour becomes better than threshold)邻小区高于一定门限
触发条件：Mn+Ofn+Ocn-Hys > Thresh ；
离开条件：Mn+Ofn+Ocn+ Hys < Thresh
Event A5 (PCell/ PSCell becomes worse than threshold1 and neighbor becomes better than threshold2)主小区低于一定门限，邻小区高于一定门限
触发条件1：Mp+ Hys < Thresh1 ，触发条件2：Mn+Ofn+Ocn-Hys > Thresh2
离开条件1：Mp-Hys > Thresh1 ，离开条件2：Mn+Ofn+Ocn+ Hys < Thresh2
Event A6 (Neighbour becomes offset better than SCell)邻小区高于辅小区
触发条件：Mn + Ocn - Hys > Ms +Ocs +Off
离开条件：Mn + Ocn + Hys < Ms +Ocs +Off
Event B1 (Inter RAT neighbour becomes better than threshold)异系统邻小区高于一定门限
触发条件：Mn +Ofn ? Hys > Thresh
离开条件：Mn+Ofn+ Hys < Thresh
Event B2 (PCell becomes worse than threshold1 and inter RAT neighbour
becomes better than threshold2)主小区低于一定门限，异系统邻小区高于一定门限
触发条件1：Mp+ Hys < Thresh1 ，触发条件2：Mn+Ofn?Hys > Thresh2
离开条件1：Mp- Hys > Thresh1 ，离开条件2：Mn+Ofn+ Hys < Thresh2
Event C1 (CSI-RS resource becomes better than threshold)参考信号信道质量指示高于一定门限
触发条件：Mcr +Ocr -Hys > Thresh
离开条件：Mcr +Ocr + Hys < Thresh
Event C2 (CSI-RS resource becomes offset better than reference CSI-RS resource)参考信号信道质量指示高于参考信号质量指示参考值
触发条件：Mcr +Ocr - Hys > Mref +Oref +Off
离开条件：Mcr +Ocr + Hys < Mref +Oref +Off