LTE系统内的切换，通常从_____信令开始，到______信令结束。.

LTE系统内的切换，通常从_____信令开始，到______信令结束。.

A.eUTRAN Handover Request

B.Measurement Report

C.RRCConnectionReconfiguratioComplete

D.RRCConnectionReestablishmentComplete

正确答案是BC