Method, mobility management unit and gateway unit for limiting access and communication of machine type communication (MTC) equipment

一种移动管理单元、设备接入的技术，应用在连接管理、接入限制、无线通信等方向

Inactive Publication Date: 2011-05-11
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing LTE networks cannot meet such demands

Method used

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  • Method, mobility management unit and gateway unit for limiting access and communication of machine type communication (MTC) equipment
  • Method, mobility management unit and gateway unit for limiting access and communication of machine type communication (MTC) equipment
  • Method, mobility management unit and gateway unit for limiting access and communication of machine type communication (MTC) equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] Embodiment 1: This embodiment is a process in which the MME obtains the allowed time period of the MTC UE when the MTC UE is attached.

[0075] Wherein, the allowed time period in the present invention is a predefined time period for the MTC device, and the MTC device is only allowed to access the network or perform data transmission within the time period.

[0076] image 3 It is a flowchart of the method of the present invention, specifically comprising the following steps:

[0077] Step 301: The MTC UE sends an attach request message to the eNodeB. When the UE has a GUTI, it needs to carry the GUTI, and when the UE does not have a GUTI, it needs to carry the IMSI;

[0078] Step 302: The eNodeB derives the MME attached to the UE according to the GUTI. If the MME cannot be directly derived, a new MME can be selected through the "MME selection function", and the attach message is forwarded to the new MME;

[0079] Step 303: If the MME changes or attaches for the firs...

Embodiment 2

[0085] Embodiment 2: This embodiment is a process in which the MME judges and rejects the attachment according to the obtained allowable time period. Figure 4 It is a flowchart of the method of the present invention, specifically comprising the following steps:

[0086] Step 401: The MTC UE sends an attach request message to the eNodeB. When the UE has a GUTI, it needs to carry the GUTI, and when the UE does not have a GUTI, it needs to carry the IMSI;

[0087] Step 402: The eNodeB derives the MME attached to the UE according to the GUTI. If the MME cannot be directly derived, a new MME can be selected through the "MME selection function", and the attach message is forwarded to the new MME;

[0088] Step 403: If the MME has saved the allowed time period information of the MTC UE, then the MME judges according to the allowed time period, and sends an attach rejection message within the non-allowed time period. The message may carry a rejection reason value, which is used to i...

Embodiment 3

[0093] Embodiment 3: This embodiment is a process in which the MME judges and refuses to update the tracking area according to the obtained allowed time period. Figure 5 It is a flowchart of the method of the present invention, specifically comprising the following steps:

[0094] Step 501: The MTC UE meets the TAU trigger condition and triggers the tracking area update procedure;

[0095] Step 502: The MTC UE initiates a TAU request message to the eNodeB, carrying an instruction to select a network to the eNodeB;

[0096] Step 503: The eNodeB derives the MME attached to the UE before. If the MME cannot be directly derived, a new MME can be selected through the "MME selection function", and the attach message is forwarded to the new MME;

[0097] Step 504: If the MME has saved the allowed time period information of the MTC UE, the MME judges according to the allowed time period, and sends a tracking area update rejection message within the non-allowed time period. The messag...

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Abstract

The invention provides a method for limiting access and communication of machine type communication (MTC) equipment. In the method, when a mobility management unit receives an access request or a service request from the MTC equipment, according to the allowed time period of the MTC equipment, whether the existing time is in the allowed time period is judged; and if the existing time is not in the allowed time period, the access request or the service request from the MTC equipment is refused. When a gateway unit is subject to up or down data transmission on the MTC equipment, according to the allowed time period of the MTC equipment, whether the existing time is in the allowed time period is judged; and if the existing time is not in the allowed time period, the up or down data transmission of the MTC equipment is refused. The invention also provides the mobility management unit and the gateway unit. In the method, the MTC equipment is only allowed to communicate in the allowed time period, and the MTC equipment is limited to access to a network or communicate in the non-allowed time period in accordance with demands of operators.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a method for restricting access and communication of MTC (Machine Type Communication, Machine Type Communication) equipment, a mobile management unit and a gateway unit. Background technique [0002] With the sudden emergence of WiMax (World Interoperability for Microwave Access) technology, the third generation mobile communication system must improve its network performance and reduce network construction and operation costs in order to maintain its competitiveness in the field of mobile communication . Therefore, the standardization working group of the 3rd Generation Partnership Project (3GPP, 3rd Generation Partnership Project) is currently working on the research of PS Core (Packet Switch Core, packet switching core network) and UTRAN (Universal Mobile Telecommunication System Radio Access Network, global Evolution of mobile communication system wireless access ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/02H04W48/08H04W76/02H04W4/70
CPCH04W48/02H04W84/042H04W88/16H04W4/70H04L65/102H04W12/082
Inventor 李勉卢飞朱春晖梁爽谢宝国
Owner ZTE CORP
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