Patent ID: 9113436
Filing Date: 2015-08-18
Classification: H04L,H04M,H04W

Abstract:
1. A method for information transmission, comprising: an evolved packet data gateway (ePDG) notifying a policy and charging rules function (PCRF) entity of location information of a user equipment (UE); the PCRF entity sending the location information of the UE to the BPCF entity using the S9 session; wherein, the location information comprises an identifier and tunnel information of the UE, the UE identifier comprises a fixed network access identifier of the UE, and the tunnel information comprises local IP address information of the UE; wherein, after the step of the PCRF entity sending the location information of the UE to the BPCF entity using the S9 session, the ePDG entity sends an internet protocol security (IP-Sec) tunnel establishment success message to the user equipment.