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A small data transmission method, device, and system

A small data transmission and small data technology, which is applied in digital transmission systems, transmission systems, network traffic/resource management, etc., can solve problems such as small data cannot be transmitted normally, meet the business needs of the Internet of Things, avoid data loss, and guarantee robustness effect

Inactive Publication Date: 2018-01-30
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] In view of this, the main purpose of the present invention is to provide a small data transmission method to solve the problem that the small data that needs to be forwarded by the MTC IWF network element cannot be normally transmitted to the MTC Server when the MTC Server or the MTC IWF network element is congested

Method used

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  • A small data transmission method, device, and system
  • A small data transmission method, device, and system
  • A small data transmission method, device, and system

Examples

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Embodiment 1

[0064] image 3 It is the flow of the MME / SGSN buffering small data after the MTC IWF network element is congested in this embodiment. When the MTCIWF network element is congested, the MTC IWF network element notifies the MME / SGSN that the MTC IWF is congested. When the MME / SGSN receives When the MTC UE sends small data, when the MME / SGSN finds that the small data is sent to the congested MTC IWF network element, the MME / SGSN caches the small data, and when receiving the congestion release notification sent by the MTC IWF network element, it passes the MTC The IWF network element sends the small data to the MTC Server.

[0065] Such as image 3 As shown, the process of small data transmission in this embodiment may include the following steps:

[0066] Step 201: The MTC UE initiates an attach request to the 3GPP packet network. After receiving the attach request, the MME / SGSN downloads the user's subscription data from the HSS / HLR, saves the terminal context and allows the t...

Embodiment 2

[0081] Figure 4 It is the process of the MME / SGSN or MTC IWF network element buffering small data after the MTC Server is congested in this embodiment. When the MTC Server is congested, the MTC Server notifies the MTC IWF network element that the MTC Server is congested. After that, the MTC IWF network When the element receives the small data sent by the MTC UE, it finds that the small data is sent to the MTC Server, and caches the small data; when the MTC IWF network element is congested, it notifies the MME / SGSN that the MTC IWF is congested, and then the MME / When the SGSN receives the small data sent by the MTC UE, it caches the small data sent to the MTC IWF network element; when the MTC IWF network element finds that the congestion of the MTC Server is relieved, the MTC IWF network element sends its own buffer to the MTCServer When the MME / SGSN discovers that the congestion of the MTC IWF network element has been lifted, the MME / SGSN sends the small data cached by itse...

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Abstract

The invention discloses a small data transmission method. The method includes: when the MTC server or the MTC IWF network element is detected to be congested, the received small data is cached; when the MTC server or the MTC IWF network element is detected After the congestion is relieved, the cached small data is sent to the MTC server. Correspondingly, the present invention also discloses a small data transmission device and system, which avoids increased congestion during MTC IWF network element or MTC Server congestion, ensures timely data communication between MTC terminals and MTC servers, and meets business requirements of the Internet of Things. Moreover, data loss during congestion of the MTC IWF network element or the MTCServer can be avoided, the normal operation of the small data transmission service can be ensured, and the M2M user experience can be effectively improved.

Description

technical field [0001] The present invention relates to the field of machine-to-machine communication (M2M, Machine to Machine), in particular to a small data transmission method, device and system. Background technique [0002] In recent years, machine-to-machine communication (M2M, Machine to Machine) services have gradually begun to be applied, such as logistics systems, remote meter reading, smart home and other applications. M2M service providers use existing wireless networks, such as General Packet Radio Service (GPRS, General Packet Radio service) networks, Evolved Packet System (EPS, Evolved Packet System) networks and other Packet Switch (PS, Packet Switch) networks to carry out M2M services. Due to the obvious difference between the M2M service and the human-to-human communication (H2H, Human to Human) service, it is necessary to optimize the existing network in order to obtain the best network management and network communication quality. [0003] The GPRS netwo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W28/08H04L1/00
Inventor 游世林谢宝国
Owner ZTE CORP
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