The proposed algorithm fully uses corresponding information in Visited Location Register(VLR) to avoid long-distance signaling cost between GLR and Home Location Register(HLR).

• 该算法充分利用用户在访问位置寄存器(VLR)中的用户信息，从而避免在恢复过程中GLR和归属位置寄存器(HLR)的长途信令开销。