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Method and system for establishing enhanced air interface key

An air interface key and key enhancement technology, which is applied in the field of SRNC migration, can solve the problems that the air interface key cannot be normally activated and the migration process cannot be completed normally, and achieves the effect of ensuring normal progress and normal completion.

Inactive Publication Date: 2010-09-15
ZTE CORP
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

As a result, the migration process cannot be completed normally, and the air interface key cannot be enabled normally.

Method used

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  • Method and system for establishing enhanced air interface key
  • Method and system for establishing enhanced air interface key
  • Method and system for establishing enhanced air interface key

Examples

Experimental program
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Embodiment Construction

[0064] Figure 5 The flow chart of the method for establishing the air interface key for the present invention, such as Figure 5 shown, including:

[0065] Step 500: When the serving RNC migrates, when the target RNC with enhanced security capabilities cannot know whether the user equipment supports enhanced security capabilities from the migration request sent from the source RNC, enable the received traditional key pair during the migration process of the serving RNC secure communications.

[0066] When the serving RNC migrates, there is a scenario where the user equipment migrates from a traditional SRNC to an enhanced target RNC+. At this time, because the traditional RNC cannot recognize the enhanced security capability reported by the user equipment in the initial attach request, therefore, in In the relocation preparation stage of the serving RNC, the relocation request message sent by the source RNC to the target RNC will not inform the target RNC of the enhanced secu...

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Abstract

The invention discloses a method and a system for establishing an enhanced air interface key. During the migration of a serving radio network controller (SRNC), a target RNC capable of enhancing the safety capacity starts a received traditional key to perform safety protection on the communication in the serving RNC migration process when the target RNC cannot acquire whether user equipment supports the enhanced safety capacity or not from a migration request transmitted by a source RNC; and when the target RNC receives a message from the user equipment and acquires that the user equipment supports the enhanced safety capacity, the target RNC informs a core network of establishing and starting the enhanced air interface keys on the network side and in the user equipment respectively. By means of the method of the invention, during the SRNC migration of the user equipment in a wireless communication system, the method and the system realize timely starting of the safety key, ensure normal completion for the migration process and further ensure normal running of the subsequent communication when the air interface key is started and the traditional or enhanced user equipment moves between the traditional network and the enhanced network aiming at different safety capacities.

Description

technical field [0001] The invention relates to SRNC migration technology, in particular to a method for establishing an enhanced air interface key and a system capable of normally enabling the air interface key, thereby ensuring the normal completion of the migration process. Background technique [0002] The 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) adopted Orthogonal Frequency Division Multiplexing (OFDM, Orthogonal Frequency Division Multiplexing) and Multiple-Input Multiple-Output (MIMO, Multiple-Input Multiple-Output) technologies in Release7. HSPA+ is the future evolution road of High Speed ​​Downlink Packet Access (HSDPA, High Speed ​​Downlink Packet Access) and High Speed ​​Uplink Packet Access (HSUPA, High Speed ​​Uplink Packet Access). HSPA+ is an enhanced technology of 3GPP HSPA (including HSDPA and HSUPA), which provides HSPA operators with a low-complexity and low-cost smooth evolution path from HSPA to Long-Term Evolution (L...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/04H04W12/041H04W12/06
CPCH04L63/205H04W36/0038H04W12/04H04L63/06H04L2463/061H04W12/0431
Inventor 冯成燕甘露
Owner ZTE CORP
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