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Machine type communication system, and method and devices for transmitting data of machine type communication system

A technology for machine-type communication and control equipment, applied in wireless communication, network data management, electrical components, etc., can solve the problems of high signaling and resource overhead, waste of signaling resources, etc., to reduce signaling interaction and save signaling The effect of resources

Active Publication Date: 2014-01-29
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] First, the MTC-IWF of the HPLMN needs to establish and maintain connections with too many SGSN / MME / MSCs of the VPLMN, resulting in a large overhead of signaling and resources for the MTC-IWF of the HPLMN
[0016] Second, when the MTC-IWF of the HPLMN triggers the UE failure through a serving node of the VPLMN, the serving node of the VPLMN needs to send the failure message back to the MTC-IWF of the HPLMN, and then the MTC-IWF can retry through other serving nodes of the VPLMN Trigger the terminal, which causes frequent signaling interaction between different PLMNs, wasting signaling resources

Method used

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  • Machine type communication system, and method and devices for transmitting data of machine type communication system
  • Machine type communication system, and method and devices for transmitting data of machine type communication system
  • Machine type communication system, and method and devices for transmitting data of machine type communication system

Examples

Experimental program
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Effect test

Embodiment 1

[0124] Specific steps are as follows:

[0125] Step 1. Configure the proxy MTC-IWF information on the DNS for the core network control device in the PLMN, that is, the SGSN / MME / MSC;

[0126] Step 2, the original MTC-IWF of HPLMN receives the terminal trigger message from the Tsp interface, finds the information of the serving node of the current UE in the HSS according to the prior art, and determines whether the UE is in the roaming state according to the found information;

[0127] Step 3. When the original MTC-IWF determines that the UE is in a roaming state, search for the information of the proxy MTC-IWF serving the serving node in the VPLMN according to the ID of the serving node;

[0128] Step 4. The original MTC-IWF transmits the terminal trigger information carrying the service node information to the agent MTC-IWF through the Tpm interface;

[0129] Step 5, the proxy MTC-IWF sends a terminal trigger message according to the existing MTC-IWF trigger UE method;

[01...

Embodiment 2

[0132] Step 1, step 1-step 5 with embodiment 1;

[0133] Step 2: The proxy MTC-IWF searches for the original MTC-IWF of the terminal's HPLMN according to the terminal's external identifier or other information (for example: FQDN of the MTC-IWF) in the terminal trigger report received from the SGSN / MME / MSC, and sends The terminal triggers the report and sends it to the original MTC-IWF.

[0134] In summary, the beneficial effects of the present invention include:

[0135] In the solution provided by the embodiment of the present invention, a proxy MTC-IWF is added in the VPLMN, and the original MTC-IWF in the HPLMN sends a downlink message to the core network control device in the VPLMN through the proxy MTC-IWF, and the core network control device in the VPLMN The device sends the uplink message to the original MTC-IWF through the proxy MTC-IWF, that is, the original MTC-IWF in the HPLMN performs data transmission with the core network control device in the VPLMN through the ...

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Abstract

Disclosed are a Machine Type Communication (MTC) system, and data transmission method and device thereof. The invention relates to wireless communication field and can be used to reduce signaling interaction among different Public Land Mobile Networks (PLMN) to save signaling resources. An original MTC interworking function (MTC-IWF) in home PLMN (HPLMN) implements data transmission with a core network control device in VPLMN through an agent MTC-IWF in Visited PLMN (VPLMN). Thus the original MTC-IWF in HPLMN does not need to establish and maintain connections with each core network control device, so as to reduce signaling interaction among different PLMNs and save signaling resources.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to a machine type communication system and its data transmission method and equipment. Background technique [0002] At present, the machine type communication (Machine Type Communications, MTC) architecture is introduced in the third generation cooperation project (Third Generation Partnership Project, 3GPP) network architecture, in which the service capability server (Services Capability Server, SCS) and the 3GPP core network are added The new node is the MTC Interworking Function (MTC-IWF). The main function of the MTC-IWF is to shield the topology of the 3GPP network from the MTC server (server) and provide an interface with the 3GPP network. [0003] The architecture of the MTC system is as follows figure 1 As shown, the SCS is only connected to the MTC-IWF of the Home Public Land Mobile Network (HPLMN), that is, the MTCsp interface is only the interface between t...

Claims

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Application Information

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IPC IPC(8): H04W8/02H04W8/08
CPCH04W8/10
Inventor 王胡成艾明
Owner DATANG MOBILE COMM EQUIP CO LTD
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