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Method and system for realizing terminal handover

A terminal switching and terminal technology, which is applied in the directions of wireless communication, network data management, electrical components, etc., can solve problems such as related methods for terminal switching that have not yet been proposed

Inactive Publication Date: 2011-04-27
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, under the network architecture where the identity identifier and the location identifier are separated, no relevant method for realizing terminal handover has been proposed.

Method used

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  • Method and system for realizing terminal handover
  • Method and system for realizing terminal handover
  • Method and system for realizing terminal handover

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Experimental program
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Embodiment Construction

[0078] figure 1 Shown is the network architecture based on IP network routers to realize the separation of identity identification and location identification, and the logical functions of each network element are as follows:

[0079] The access service node (ASN) is responsible for providing access services for various mobile terminals, assigning routing identifiers (RIDs) to the accessed terminals, and encapsulating the data packets of the terminals and sending them to the core network for transmission. Query the location of the communication peer. If the ASN does not save the routing location information of the communication peer locally, search through the mapping forwarding plane.

[0080] The mapping forwarding plane is composed of multiple identity location registers / packet forwarding functions (ILR / PTF), responsible for maintaining the mapping information between the terminal identity and routing identifier in the network, and providing query services to ASN and other ...

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Abstract

The invention discloses a method for realizing terminal handover. The method is applied to a network in which an identity identifier and a position identifier are separated. In the network, an access identifier serves as the identity identifier of a user of a terminal and a routing identifier serves as the position identifier of the terminal. The method comprises the following steps that: a source access service node (ASN) acquires that the terminal needs to be subjected to handover and then requests a target ASN for the handover; the target ASN completes the handover preparation according to the request of the source ASN and notifies the source ASN of the ready state; the source ASN receives a notice that the target ASN is ready and then sends the relevant information of the user of the terminal to the target ASN; and after completing the relevant handover of an access network, the target ASN notifies the source ASN of releasing the relevant information of the wireless side to realize the handover completion between the source ASN and the target ASN. The handover speed is high, the user does not feel the change of the ASN, and the upper service is kept continuously.

Description

technical field [0001] The invention relates to a network in which an identity mark and a position mark are separated, in particular to a method and system for realizing terminal switching. Background technique [0002] At present, the IP address in the TCP / IP (Transmission Control Protocol / Internet Internet Protocol) protocol widely used on the Internet has dual functions. The identity of the interface. At the beginning of the TCP / IP protocol design, the movement of the host was not considered. However, when the host mobile becomes more and more common, the semantic overload defect of this IP address becomes more and more obvious. When the IP address of the host changes, not only the route will change, but also the identity of the communication terminal host will change, which will lead to an increasingly heavy routing load, and the change of the host identity will lead to interruption of applications and connections. [0003] The purpose of proposing the separation of i...

Claims

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Application Information

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IPC IPC(8): H04W8/26H04W36/08
Inventor 金友兴吴强符涛王卫斌
Owner ZTE CORP
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