Data transmission and receiving methods and equipment

A data transmission method and technology for accessing network equipment, which are applied in machine-to-machine/machine-type communication services, network traffic/resource management, electrical components, etc., and can solve problems such as wireless air interface resources and node signaling resource burdens.

Active Publication Date: 2012-02-01
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The service request process will establish the data radio bearer (Data Radio Bearer, DRB) and S1-U bearer of the air interface. When a large number of MTC devices need to communicate with small data, it will undoubtedly cause a huge burden on the wireless air interface resources and node signaling resources.

Method used

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  • Data transmission and receiving methods and equipment
  • Data transmission and receiving methods and equipment
  • Data transmission and receiving methods and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0116] As the 3GPP interface node facing the MTC server, MTC-IWF authorizes the establishment of control plane communication to the MTC server after authenticating the MTC server, and is responsible for passing the received small data sent by the MTC server through the control with the MME The message is passed to the serving MME node. After receiving the small data, the MME follows Figure 7C The shown method passes small data to UE:

[0117] Step 1: After receiving the small data, the MME pages the UE, and the MME carries the small data indication information in the paging message sent to the eNB.

[0118] Step 2: The eNB pages the UE according to normal operation, and carries the small data transmission instruction information in the paging message sent to the UE.

[0119] Step 3: After receiving the paging message carrying the small data indication information, the UE sends a newly defined UL NAS message, that is, an SMD request message, to the MME in response to the pag...

Embodiment 2

[0127] As the 3GPP interface node facing the MTC server, MTC-IWF authorizes the establishment of control plane communication to the MTC server after authenticating the MTC server, and is responsible for passing the received small data sent by the MTC server through the control with the MME The message is passed to the serving MME node. After receiving the small data, the MME follows Figure 7D The shown method passes small data to UE:

[0128] Step 1: After receiving the small data, the MME pages the UE, and the MME carries the small data indication information in the paging message sent to the eNB.

[0129] Step 2: The eNB pages the UE according to normal operation, and carries the small data transmission instruction information in the paging message sent to the UE.

[0130] Step 3: After receiving the paging message carrying the small data indication information, the UE sends a TAU request message carrying the small data indication information to the MME in response to the...

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PUM

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Abstract

The embodiment of the invention discloses a data transmission method, a data receiving method, data transmission equipment and data receiving equipment, which relate to the technical field of wireless communication and are used for saving the wireless air interface resources and node signaling resources of a system. In the methods and the equipment, after receiving small data required to be transmitted to a terminal in an idle state, core network equipment transmits a paging message carrying small data indication information to the terminal; after receiving the paging message carrying the small data indication information, the terminal responds to the paging message by an uplink non-access stratum (NAS) message rather than initiating a service request process; and after receiving the uplink NAS message, the core network equipment transmits the small data to the terminal by a downlink NAS message. By the methods and the equipment, system resources can be saved.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a data sending and receiving method and device. Background technique [0002] Research on machine-to-machine (M2M) communication shows that providing M2M communication on a mobile network has a potential market prospect. The M2M service puts forward many new requirements for the system, and small data transmission is one of the important requirements. Therefore, SAl put forward the following requirements in the protocol TS22.368: [0003] The characteristic of small data transmission is suitable for a machine type communication (MTC) device that sends or receives a small amount of data. Features for small data transfers: [0004] First, the system supporting a small amount of data transfer should have minimal impact on the network (eg, signaling overhead, network resources, reconfiguration delay). [0005] Second, when an MTC device needs to send a small amount of data, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/20H04W28/06H04W68/00H04W4/70
CPCH04W4/005H04W4/20H04W28/06H04W68/00H04W4/70
Inventor 康艳超艾明王胡成
Owner DATANG MOBILE COMM EQUIP CO LTD
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