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A method, device and system for supporting data transmission

A technology that supports data and data. It is applied in the field of communication and can solve problems such as interruption of data processing flow of terminal equipment.

Active Publication Date: 2021-06-08
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the replacement of the first radio access network device leads to the key update of the terminal device, the data processing flow of the terminal device is interrupted, resulting in unnecessary signaling overhead

Method used

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  • A method, device and system for supporting data transmission
  • A method, device and system for supporting data transmission
  • A method, device and system for supporting data transmission

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Embodiment Construction

[0049] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not 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 shall fall within the protection scope of the present invention.

[0050] Such as figure 2 As shown, the communication system applied in the embodiment of the present invention can be Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (Wideband Code Division Multiple Access) Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (Frequency Division ...

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Abstract

The embodiment of the present invention provides a method for supporting data transmission. By setting the RRC layer in the protocol stack of the second wireless access network device, the data transmission between the second wireless access network device and the terminal device can use the first The RRC layer configuration of the second wireless access network device and the data transmission channel between the terminal device, so that the data transmission between the terminal device and the second wireless access network device does not need to be forwarded through the first wireless access network, that is, without By changing the first wireless access network device, data transmission can be directly performed between the second wireless access network device and the terminal device. The use of this communication method ensures the continuity of the data processing flow of the terminal equipment and improves work efficiency.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a method, device and system for supporting data transmission. Background technique [0002] A third generation partnership project (3rd Generation Partnership Project, 3GPP) standard is discussing a light connection (Light Connection) technology. The terminal device may enter the light connection state under the instruction of the first radio access network (Residential Access Network, RAN) device. The lightly connected state is a state between a radio resource control (Radio Resource Control, RRC) connected state and an idle (Idle) state. The terminal device entering the lightly connected state releases the RRC connection, but saves the connection information with the first radio access network device. At the same time, the first radio access network device assigns a context identifier to the terminal device. [0003] The terminal device entering the lightly con...

Claims

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Application Information

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IPC IPC(8): H04W12/02H04W76/19H04L29/06
CPCH04L63/0457H04W76/19H04W12/037
Inventor 李秉肇权威杨晓东张戬
Owner HUAWEI TECH CO LTD
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