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A connection establishment method and gateway unit

A connection establishment and connection establishment request technology, applied in the field of terminal communication, can solve problems such as network error response to server terminal trigger request, terminal and server connection establishment failure, etc., to achieve the effect of ensuring success

Inactive Publication Date: 2018-07-06
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] At present, when establishing the connection between the terminal and the MTC server, there will be a network error responding to the terminal trigger request of the server, so that the connection between the terminal and the server fails to be established

Method used

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  • A connection establishment method and gateway unit
  • A connection establishment method and gateway unit
  • A connection establishment method and gateway unit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] In this embodiment, the corresponding relationship information between internal identifiers, external identifier parameters, and external identifiers is configured by the operator, and the server triggers the terminal through NAS signaling, such as figure 2 As shown, the method of connection establishment includes:

[0061] Step 201: When the terminal is connected to the network, the operator configures the corresponding relationship information between the internal identifier, the external identifier parameter and the external identifier for the terminal, and stores it in the HSS as the terminal's subscription data;

[0062] Specific implementation may add an identifier to the storage information of the HSS to indicate a one-to-one mapping relationship list between the terminal's internal identifier, external identifier parameter and external identifier EID, such as "APN-EID relations".

[0063] Step 202: When the MTC application server needs to obtain real-time data ...

Embodiment 2

[0078] In this embodiment, the corresponding relationship information between the internal identifier, the external identifier parameter and the external identifier is configured by the operator, and the server triggers the terminal through a short message, such as image 3 As shown, the method of connection establishment includes:

[0079] Step 301 to step 304 are identical with step 201 to step 204 in embodiment 1;

[0080] Step 305: After obtaining the terminal information, the MTC-IWF uses the IMSI to replace the EID in the first trigger request, constructs a second trigger request, and sends it to the terminal's serving SMS-SC according to the terminal's serving CN node identifier;

[0081] Step 306: After receiving the second trigger request sent by the MTC-IWF, the serving SMS-SC constructs a short message carrying the second trigger message, that is, the second trigger message is used as an information element of the short message, and sends it to the terminal;

[008...

Embodiment 3

[0085] In this embodiment, the information about the correspondence between internal identifiers, external identifier parameters, and external identifiers is carried in the request message, and the server is triggered by the user plane, such as Figure 4 As shown, the method of connection establishment includes:

[0086] When the terminal is turned on and attached to the network, or when the terminal initiates a PDN connection request, the network will establish a default PDN connection with the serving P-GW for the terminal to support the always-on function.

[0087] Step 401: When the MTC server needs to obtain real-time data from the terminal, it sends a first trigger request to the serving P-GW of the terminal. The first trigger request includes the terminal ID, the application ID, the address of the server, and the terminal's external Identify the corresponding external identification parameter, and the identification of the terminal is the external identification EID use...

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Abstract

The invention discloses a method for establishing a connection and a gateway unit, including: storing the corresponding relationship information between the internal identifier of the terminal, the external identifier parameter and the external identifier; the service gateway unit of the terminal receives the connection establishment request of the terminal, and according to the connection establishment The internal identification and external identification parameters contained in the request query the external identification of the terminal, and establish the connection of the terminal according to the external identification. In the present invention, by storing the corresponding relationship between the internal identification of the terminal, the external identification parameter and the external identification, when the server triggers the terminal to establish a connection, the network can distinguish multiple external identifications of the terminal, and avoid using a wrong external identification to respond to the terminal trigger request of the server. In this way, it is ensured that the connection between the terminal and the server is established successfully.

Description

technical field [0001] The invention relates to the technical field of terminal communication, in particular to a connection establishment method and a gateway unit. Background technique [0002] like figure 1 As shown, the cellular wireless communication system is mainly composed of a core network (Core Network, CN for short), an access network (Radio Access Network, RAN for short) and terminals. The core network is responsible for non-access stratum affairs, such as terminal location update, and is the anchor point of the user plane. The access network includes base stations, or base stations and base station control. The access network is responsible for access layer affairs (such as the management of wireless resources). There may be physical or logical connections between base stations according to actual conditions, such as figure 1 The connection between base station 1 and base station 2 or base station 3, and each base station can be connected to one or more core n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/11H04W88/16
CPCH04W4/70H04W76/11H04W76/12
Inventor 杨坤
Owner ZTE CORP
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