Communication method, mobile network system and device

摘要

A mobile terminal (UE) used in a mobile communication network that includes a mobility management entity (MME) and a serving gateway (S-GW), receives paging from the mobile communication network, upon arrival of an incoming call destined for the mobile terminal at the mobile communication network, in which if the mobility management entity has restarted, the serving gateway maintains a specific S5/S8 bearer and deletes other bearers, and in response to the paging, re-attaches to the mobile communication network.

主权项

1. A mobile terminal (UE) used in a mobile communication network that includes a mobility management node (MME or SGSN) and a serving gateway (S-GW), the mobile terminal comprising:
a receiver that receives a paging from the mobile communication network, upon arrival of an incoming call destined for the mobile terminal at the mobile communication network with the serving gateway (S-GW), upon restarting of the mobility management node, maintaining a specific S5/S8 bearer eligible for restoration of communication services triggered by an external network, while deleting other bearers, wherein said specific S5/S8 bearer eligible for restoration of communication services is determined by said serving gateway (S-GW) based on an operator policy; and a transmitter that, in response to the paging, re-attaches to the mobile communication network.