Method of obtaining information of user equipment (UE) and system of obtaining information of user equipment

A technology for user equipment and user configuration, which is applied in the field of communications and can solve problems such as inability to directly obtain UEs

Active Publication Date: 2015-10-07
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The present invention provides a method and system for acquiring user equipment informat

Method used

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  • Method of obtaining information of user equipment (UE) and system of obtaining information of user equipment
  • Method of obtaining information of user equipment (UE) and system of obtaining information of user equipment
  • Method of obtaining information of user equipment (UE) and system of obtaining information of user equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] A method for acquiring user equipment information provided by an embodiment of the present invention is described in detail.

[0061] refer to Figure 5 , shows a flow chart of steps of a method for acquiring user equipment information in an embodiment of the present invention.

[0062] Step 100, judging whether the IMSI of the UE to be obtained exists in the user configuration table; if yes, execute step 102; if not, the process ends, and may be executed according to the existing protocol.

[0063] The IMSI of one or more UEs that need to obtain information can be set in the user configuration table. If there is no UE that needs to obtain information, the user configuration table can be empty.

[0064] Step 102, sending a NAS Security Mode Command message with the encryption algorithm set to an empty algorithm to the UE to be acquired, so as to acquire the NAS signaling message of the UE to be acquired.

[0065] The null algorithm may be EPS encryption algorithm zero...

Embodiment 2

[0071] A method for acquiring user equipment information provided by an embodiment of the present invention is described in detail.

[0072] refer to Image 6 , shows a flow chart of steps of a method for acquiring user equipment information in an embodiment of the present invention.

[0073] Step 200, judging whether the IMSI of the UE to be acquired exists in the user configuration table; if yes, execute step 202; if not, execute step 206.

[0074] Preferably, the user configuration table may include: a configuration index, an IMSI, an encryption algorithm switch, and the like.

[0075] Preferably, the user configuration table can be set on the MME side or the Home Subscriber Server (Home Subscriber Server, HSS) side.

[0076] The IMSI of one or more UEs that need to obtain information can be set in the user configuration table. If there is no UE that needs to obtain information, the user configuration table can be empty.

[0077] Preferably, the step 200 may be:

[0078...

Embodiment 3

[0091] A method for acquiring user equipment information provided by an embodiment of the present invention is described in detail.

[0092] refer to Figure 7 , shows a flow chart of steps of a method for acquiring user equipment information in an embodiment of the present invention.

[0093] During the access process of the UE, such as the attach process, service request process, tagged tracking area update process, extended service request process, etc., the MME searches the user configuration table before establishing the initial context of the eNodeB. If the information to be obtained If the IMSI of the UE is in the user configuration table, the UE core network is notified to select an empty encryption algorithm through the Security Mode Command message of the NAS. When the NAS of the UE receives the empty encryption algorithm (EEA0), it can only use the empty algorithm according to the protocol requirements. (EEA0) Encrypted NAS messages, that is, no encryption; the Ini...

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Abstract

The present invention provides a method of obtaining the information of user equipment and a system of obtaining the information of user equipment, wherein the method comprises the steps of determining whether an international mobile subscriber identity (IMSI) of a to-be-obtained user equipment exists in a user configuration table; if yes, sending a non access stratum security mode command message which sets an encryption algorithm as a null algorithm to the to-be-obtained user equipment to thereby obtain a non access stratum signaling message of the to-be-obtained user equipment; sending an initial context setup request message which carries the security capability of the user equipment and of which the encryption algorithm is the null algorithm to an evolved NodeB to thereby enable the evolved NodeB to send the non access stratum security mode command message which sets the encryption algorithm as the null algorithm to the to-be-obtained user equipment according to the protocol requirements to obtain the user layer data of the to-be-obtained user equipment and a wireless resource control layer message. According to the present invention, by setting the user configuration table on a mobility management entity (MME), and determining whether the IMSI of the UE of which the information needs to be obtained exists in the user configuration table, the purpose of obtaining the information of the UE under a 4G network is achieved.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and system for acquiring information of user equipment. Background technique [0002] In the protocol stacks of the User Equipment (UE), evolved NodeB (eNodeB) and Mobility Management Entity (MME), the Stream Control Transmission Protocol (Stream Control Transmission Protocol) is used between the MME and the eNodeB , SCTP) to realize the interaction of application layer protocol (S1Application Protocol, S1-AP) messages between eNodeB and MME, and realize the interaction of messages between MME and UE through Non Access Stratum (Non Access Stratum, NAS) messages. [0003] Such as figure 1 As shown, the MME carries the security capability of the UE to the eNodeB through the initial context setup request (Initial Context Setup Request) message, the eNodeB stores the security capability of the UE, and uses it in the subsequent security control algorithm, and ...

Claims

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Application Information

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IPC IPC(8): H04W8/02H04W12/02H04W12/04
CPCH04W8/02H04W12/02H04W12/04
Inventor 由县卫
Owner DATANG MOBILE COMM EQUIP CO LTD
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