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RRC connection recovery processing method and device, and terminal

A connection recovery and processing method technology, applied in the field of communications, can solve the problem that the RRC connection recovery process does not have a clear processing method, etc.

Active Publication Date: 2020-02-21
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a processing method, device and terminal for RRC connection recovery, so as to solve the problem in the prior art that there is no clear processing method for the RRC connection recovery process triggered again during the RRC connection recovery process

Method used

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  • RRC connection recovery processing method and device, and terminal
  • RRC connection recovery processing method and device, and terminal
  • RRC connection recovery processing method and device, and terminal

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0157] Example 1: The AS layer ignores the request corresponding to triggering the second RRC connection recovery process

[0158] Step 11, due to the AS layer or NAS layer trigger, the AS layer of the UE initiates the first RRC connection recovery process;

[0159] Step 12, the NAS layer needs to send a NAS message, and finds that the current AS layer of the terminal is in the RRC inactive state (or the air interface is in a suspended state), then the NAS layer requests the AS layer to switch to the RRC connection state, and triggers the AS layer to initiate a second RRC connection Recovery process; or the AS layer of the terminal receives RAN paging, and needs to initiate the second RRC connection recovery process;

[0160] At this time, the AS layer of the terminal finds that there is currently an unfinished RRC connection recovery process (that is, the first RRC connection recovery process, and the corresponding timer T319 waiting for the network side to respond to the RRC...

example 2

[0178] Example 2: The AS layer immediately terminates the first RRC connection recovery process and proceeds to the second RRC connection recovery process

[0179] Step 21, due to the AS layer or the NAS layer triggering, the AS layer of the UE initiates the first RRC connection recovery process;

[0180] Step 22, the NAS layer needs to send a NAS message, and finds that the current AS layer of the terminal is in the RRC inactive state (or the air interface is in a suspended state), then the NAS layer requests the AS layer to switch to the RRC connection state, and triggers the AS layer to initiate a second RRC connection Recovery process; or the AS layer of the terminal receives RAN paging, and needs to initiate the second RRC connection recovery process;

[0181] At this time, the AS layer of the terminal finds that there is currently an unfinished RRC connection recovery process (that is, the first RRC connection recovery process, and the corresponding timer waiting for the...

example 3

[0182] Example 3: The AS layer immediately enters the RRC idle state, and the NAS layer triggers the NAS recovery process

[0183] Step 31, due to the AS layer or the NAS layer triggering, the AS layer of the UE initiates the first RRC connection recovery process;

[0184] Step 32, the NAS layer needs to send a NAS message, and finds that the current AS layer of the terminal is in the RRC inactive state (or the air interface is in a suspended state), then the NAS layer requests the AS layer to switch to the RRC connection state, and triggers the AS layer to initiate a second RRC connection Recovery process; or the AS layer of the terminal receives RAN paging, and needs to initiate the second RRC connection recovery process;

[0185] At this time, the AS layer of the terminal finds that there is currently an unfinished RRC connection recovery process (ie, the first RRC connection recovery process), and the AS layer terminates the current first RRC connection recovery process, e...

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Abstract

The invention provides an RRC connection recovery processing method and device, and a terminal. The RRC connection recovery processing method comprises the steps that an access layer of the terminal carries out processing if a second RRC connection recovery process needs to be triggered in a process that the terminal carries out the first RRC connection recovery. In the embodiment of the invention, if the terminal needs to trigger the RRC connection recovery process again in the RRC connection recovery process, the access layer of the terminal processes the current RRC connection recovery process and / or the subsequent RCC connection recovery process, thereby realizing unified processing of the RRC connection recovery process by the terminal.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a processing method, device and terminal for RRC connection recovery. Background technique [0002] In order to restore the connection between the terminal UE and the network side as soon as possible, the network side can instruct the terminal to suspend the current air interface connection, store the current context of the terminal, and configure a mobile area (called a radio access network RAN ​​paging area) for the terminal. When the terminal moves within the area configured on the network side, it can only perform simple cell reselection. If the terminal needs to restore the RRC (Radio Resource Control, radio resource control) connection, the terminal needs to initiate an RRC connection restoration process. [0003] In 5G, the RRC state of the terminal at this time is called the RRC inactive state (deactivated state or inactive state). According to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/27
CPCH04W76/27
Inventor 傅婧周叶梁靖
Owner DATANG MOBILE COMM EQUIP CO LTD
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