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Method for switching terminal and corresponding communication network

A terminal switching, communication network technology, applied in wireless communication, network data management, electrical components, etc., can solve problems such as no proposed implementation scheme

Inactive Publication Date: 2011-07-13
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0048] However, in the prior art, there is no corresponding implementation plan for how to support the separation of terminal identity and location during the handover process of a communication system where the control plane and the media plane are separated, such as LTE, and avoid routing detours.

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  • Method for switching terminal and corresponding communication network
  • Method for switching terminal and corresponding communication network
  • Method for switching terminal and corresponding communication network

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Embodiment Construction

[0220] The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it accordingly, but the examples given are not intended as an explanation of the present invention limited.

[0221] The present invention applies the above-mentioned SILSN architecture to a network in which the control plane and the media plane are separated, so as to realize handover without a fixed anchor point. According to the SILSN architecture and its working principle recorded in the background technology, it can be understood that when a terminal moves across ASNs, the target ASN on the cut-in side must allocate a RID for the terminal and initiate registration with the terminal’s home ILR; the source ASN on the cut-out side It is necessary to delete the AID-RID mapping information of the terminal, and maintain th...

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Abstract

The invention discloses a method for switching a terminal and a corresponding communication network. The communication network comprises a wireless side network element, an access gateway which is connected between the wireless network element and a packet data network, a mobility management node and an identity position register. In the process of switching the terminal, when a target access gateway different from the original access gateway is determined, the target access gateway allocates the identifier of a new position for the terminal and saves the mapping information of the identifier of the identity of the terminal and the identifier of the new position; a target mobility management node or the target access gateway initiates registration and updates the identifier of the position of the terminal in the identity position register to which the terminal belongs; and the terminal is switched from the original wireless side network element to a target wireless side network element, and is connected to the packet data network by the target wireless side network element and the target access gateway, so that data messages is encapsulated and forwarded between the terminal and a communication opposite end. Through the invention, the route detours of data packets can be reduced, transmission delay and bandwidth waste can be lowered.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a terminal switching method and a corresponding communication network. Background technique [0002] The 3rd Generation Partnership Project (3rd Generation Partnership Project, referred to as 3GPP) evolved packet system (referred to as EPS) by the evolved universal mobile communication system terrestrial radio access network (referred to as Evolved Universal Terrestrial Radio Access Network, referred to as E-UTRAN), a Mobility Management Entity (MME for short), a Serving Gateway (S-GW), a Packet Data Network Gateway (P-GW or PDN GW for short), Home Subscriber Server (HSS for short), 3GPP Authentication, Authorization and Accounting (AAA for short) server, Policy and Charging Rules Function (Policy and Charging Rules Function, PCRF for short) entity and other supporting nodes. [0003] Figure 1a It is a schematic diagram of the EPS system architecture in the prior...

Claims

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Application Information

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IPC IPC(8): H04W8/12H04W36/02H04W36/08
CPCH04W36/0011
Inventor 周娜吴强符涛
Owner ZTE CORP
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