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Method and device for controlling user plane bearer establishment

A bearer establishment and user plane technology, applied in the field of communication, can solve problems such as signaling overhead and achieve the effect of avoiding signaling overhead

Active Publication Date: 2016-11-23
DATANG MOBILE COMM EQUIP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0021] Embodiments of the present invention provide a method and device for controlling the establishment of user plane bearers, which are used to solve the problem that after the SGW deletes the cached downlink data of the UE after the timer expires, the UE initiates the TAU process, and the MME still initiates the user connection between the UE and the base station. face establishment process, resulting in unnecessary signaling overhead

Method used

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  • Method and device for controlling user plane bearer establishment
  • Method and device for controlling user plane bearer establishment
  • Method and device for controlling user plane bearer establishment

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Embodiment Construction

[0081] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0082] Such as image 3 As shown, in the embodiment of the present invention, in the TAU process, the detailed method flow of the MME controlling the establishment of the user plane bearer is as follows:

[0083] Step 301: During the TAU process, the MME determines that the SGW needs to send buffered downlink data to the UE.

[0084] Step 302: The MME initiates the establishment process of the air interface user plane bearer of the UE,...

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Abstract

The invention discloses a method and device for controlling user plane bearer establishment. The problem of unnecessary signaling expenditure caused by the conditions that the UE (user equipment) initiates the TAU (tracking area update) process and the MME still initiates the user plane establishment between the UE and the base station after a SGW deletes the cached downlink data of the UE when the timer is over-time is solved. The method comprises the following steps: a mobility management entity MME determining that the service gateway SGW needs to send the cached downlink data to the terminal UE in the tracking area updating TAU process; the MME initiating the establishment process of the vacant user plane bearer of the UE.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and equipment for controlling establishment of user plane bearers. Background technique [0002] In machine-to-machine communication, terminals use power saving mode (Power Saving Mode, PSM) or extended discontinuous reception (Discontinuous Reception, DRX) to achieve the purpose of power saving. The extended DRX here means that the idle DRX period is up to 10 Second. When the terminal adopts the power-saving mode or extended DRX, it will not be able to respond to the downlink paging message in time, resulting in a certain delay in the transmission of service data. [0003] The "High Latency Communication" project of the 3GPP SA2 working group mainly studies the method for the network to transmit user plane data to the terminal when the terminal cannot respond to the downlink paging message in time. At present, multiple solutions have been proposed in TR...

Claims

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Application Information

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IPC IPC(8): H04W24/04H04W76/02
CPCH04W24/04H04W28/14H04W52/0216H04W52/0229H04W76/12H04W76/22Y02D30/70H04W28/0226H04W36/0033H04W92/24
Inventor 艾明
Owner DATANG MOBILE COMM EQUIP CO LTD
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