在LTE的基站对测量事件进行切换判决时，基站下发rrcConnectionreconfiguration命令给终端，指示终端向目标小区进行切换。该条命令中包含切换指示消息，即mobilityControlInfor消息，包含目标小区信息、接入信息等。但rrcConnectionreconfiguration命令中往往在开头包含measConfig消息，内容是删除之前的相关测量对象和测量配置，消息是measObjectToRemoveList, reportConfigToRemoveList等，那么为什么需要删除之前的测量配置和报告配置呢？

rrcConnectionReconfiguration-r8

measConfig

measObjectToRemoveList

MeasObjectId: 1

reportConfigToRemoveList

ReportConfigId: 1

ReportConfigId: 2

ReportConfigId: 3

ReportConfigId: 4

measIdToRemoveList

MeasId: 1

MeasId: 2

MeasId: 3

MeasId: 4

mobilityControlInfo

targetPhysCellId: 43

carrierBandwidth

dl-Bandwidth: (5) n100

additionalSpectrumEmission: 1

t304: (4) ms500

newUE-Identity: 0x5C0D

radioResourceConfigCommon

radioResourceConfigDedicated

securityConfigHO