A.MMEC B.M-TMSI C.GUMMEI D.MMEI
A.RLC AM B.RLC UM C.PDCP D.MAC
A.60 B.70 C.80 D.90
A.SGW B.SGSN C.PGW D.MGW
A、集中式 B、分布式 C、混合式 D、復(fù)合式
A.AM B.TM C.UM
A.5cm B.6cm C.7cm D.8cm
A.UE->eNodeB->SGW->PGW->PDN B.UE->eNodeB->MME->PGW-PDN C.UE->eNodeB->SGW->MME-PGW->PDN D.UE->eNodeB->SGW->HSS->PGW->PDN