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Iur-g interface-based switching method

An iur-g, interface technology, applied in the field of switching based on the Iur-g interface, can solve the problems of increasing the voice interruption time, unable to complete the data transmission, etc., and achieve the effect of reducing the time.

Inactive Publication Date: 2011-05-04
TD TECH COMM TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that due to the processing on the network side, even if the UE establishes a link connection with the target BSC, it still cannot complete the data transmission, which increases the time for voice interruption

Method used

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Embodiment Construction

[0031] In order to make the purpose, technical means and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0032] As described in the background technology, in step 4, the SRNC sends an air interface handover command to the UE, and when the UE receives the air interface handover command, it will cut off the old wireless link between itself and the SRNC, and carry out the operation on the new GSM cell. Access attempt, once the access is successful, a "HANDOVERCOMPLETE" message will be sent, at this time UE can send and receive processing on the new link. Therefore, a reasonable selection of the switching timing of the RNC side on the old and new links, and the complete transfer of the user plane from the TD side to the IUR-G interface will directly affect the interruption time of the UE on the user plane.

[0033] Based on this, the basic idea of ​​the present invention i...

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Abstract

The invention discloses an Iur-g interface-based switching method, which comprises that: user equipment (UE) is switched to a target base station controller (BSC) from a service radio network controller (RNC); in the switching process, after the service RNC sends a null interface switching command to the UE, the service RNC copies the downlink data to be sent and sends the downlink data through awireless link of a source cell in which the UE is positioned and an Iur-g link; and when the service RNC receives a relocation detection message sent by the target BSC, the service RNC switches off the sending and receiving processing with the UE on the wireless link of the source cell, and the user plane of the UE is switched into the Iur-g interface. Through the method, the voice interruption time of a user can be shortened.

Description

technical field [0001] The invention relates to switching technology in communication system, in particular to a switching method based on Iur-g interface. Background technique [0002] In an environment where 2G and 3G coexist, handover between the two needs to be considered. At present, the switching between 2G and 3G is all switching from 3G to 2G. Among them, before the handover, there is a connection between the UE and the serving RNC (SRNC), and access to the core network through the SRNC. In other words, the UE and the core network communicate through the SRNC; after the handover is completed, there is a connection between the UE and the target BSC, and Access to the core network via the target BSC, in other words, the UE communicates with the core network through the target BSC. [0003] During the handover process, UE-side processing and network-side handover processing are performed. Specifically, in the first stage of handover, the connection between UE and SRNC...

Claims

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Application Information

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IPC IPC(8): H04W36/10H04W92/12
Inventor 徐小芳高红梅申伟
Owner TD TECH COMM TECH LTD
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