System, device and method for implementing mobility management
A mobility and system architecture technology, applied in the field of communication, can solve the problems of increasing communication delay, waste of air interface resources and address resources, and increasing system complexity, so as to reduce the communication delay, reduce the waste of air interface resources and address resources, etc. Effect
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Embodiment 1
[0080] Embodiment 1. Communication connection management when UE moves from 3GPP Network to non-3GPP Network:
[0081] Referring to FIG. 8, FIG. 8 is a flow chart of mobility management in a preferred embodiment of the present invention, the process includes the following steps:
[0082] Step 801: When the UE has services in the 3GPP Network, the UE can communicate and interact with the external network through the SAE Anchor; when moving from the 3GPP Network to the non3GPP Network during the communication process, the UE needs to communicate with the non 3GPP GW in the non 3GPP Network Perform the access authentication process.
[0083] Step 802: The non 3GPP GW performs an authentication process for the UE with the HSS / Authentication, Authorization and Accounting Server (AAA Server) according to the UE information obtained during the access authentication process.
[0084] Step 803: Through the IP address allocation process with the non 3GPP GW, the UE obtains an IP addres...
Embodiment 2
[0105] Embodiment 2: Mobility management when UE moves from non-3GPP Network to 3GPP Network:
[0106] Referring to FIG. 11, FIG. 11 is a flow chart of mobility management in another preferred embodiment of the present invention, which includes the following steps:
[0107] Step 1101: When there is business in the non-3GPP Network and moves to the 3GPP Network, the UE needs to apply the existing technology to perform an attach process with the LTE Anchor / SGSN to attach to the 3GPP Network.
[0108] Step 1102: The LTE Anchor / SGSN performs an authentication process for the UE with the HSS / AAA Server according to the UE information obtained during the attach process.
[0109] Step 1103: the UE sends a packet data protocol (PDP) activation request to the LTE Anchor / SGSN.
[0110] Step 1104: upon receiving the PDP activation request from the UE, the LTE Anchor / SGSN sends a PDP creation request to the SAEA Anchor.
[0111] Step 1105: When receiving the PDP creation request from th...
Embodiment 3
[0123] Embodiment 3: Mobility management when UE moves from one non-3GPP Network to another non-3GPP Network:
[0124] Referring to FIG. 14, FIG. 14 is a flow chart of mobility management in another preferred embodiment of the present invention, the process includes the following steps:
[0125] Step 1401: When moving from the Old non 3GPP Network to the New non3GPP Network during the communication process, the UE needs to perform an access authentication process with the New non3GPP GW in the moved New non 3GPP Network.
[0126] Step 1402: The New non 3GPP GW performs the UE authentication process with the HSS / AAA Server according to the UE information obtained during the access authentication process.
[0127] Step 1403: Through an IP address assignment process with the New non 3GPP GW, the UE obtains an IP address supporting communication in the moved New non 3GPP Network, that is, a Local IP address.
[0128] Step 1404: The UE sends an Informational request including the ...
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