A.TAUfromE-UTRANtoE-UTRAN,intra-MME,withoutS-GWchange
B.TAUfromE-UTRANtoE-UTRAN,intra-MME,withS-GWchange
C.TAUfromE-UTRANtoE-UTRAN,inter-MME,withoutS-GWchange
D.TAUfromE-UTRANtoE-UTRAN,inter-MME,withS-GWchange
A.TA.updating
B.combineD.TA/LA.updating with IMSI attach
C.combineD.TA/LA.updating
D.periodiC.updating