A.ECM-IDLE B.ECM-Connected C.EMM-DEREGISTERED D.URA_PCH
A.RNC B.eNodeB C.Adjacency D.Cell
A.基于無(wú)線質(zhì)量的切換 B.基于無(wú)線接入技術(shù)覆蓋的切換 C.基于負(fù)載情況的切換 D.基于調(diào)度算法的切換