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A radio bearer processing method

A technology of wireless bearer and processing method, applied in wireless communication, connection management, electrical components, etc., can solve the problem that wireless bearer establishment or modification method is no longer applicable, and achieve the effect of service transmission

Inactive Publication Date: 2021-10-26
POTEVIO INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0010] But in the 5G IAB network, the UE can first access the IAB node, the IAB node transmits to the main IAB node through wireless backhaul, and then the IAB node transmits to the 5G core network through wired transmission, due to the introduction of new network architecture and new node, so the existing radio bearer establishment or modification methods are no longer applicable, so a radio bearer processing method is urgently needed to solve the above problems

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  • A radio bearer processing method
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Embodiment Construction

[0040] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are disclosed. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0041] At present, in the 5G IAB network, the UE can first access the IAB node, and the IAB node transmits it to the main IAB node (IAB donor) through wireless backhaul, and then the IAB node transmits it to the 5G core network through wire.

[0042] For the above situation, image 3 is a schematic flowchart of a radio bearer processing method provided by an embodiment of the presen...

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Abstract

An embodiment of the present invention provides a radio bearer processing method, including: receiving a session establishment request message sent by an upper-level IAB node; if the lower-level IAB node is not included, determining radio bearer-related information of a target UE according to the session establishment request message , and send the first RRC reconfiguration message carrying the radio bearer related information of the target UE to the target UE to instruct the target UE to perform radio bearer related operations according to the first RRC reconfiguration message; After receiving the first RRC reconfiguration complete message sent by the target UE, it is determined that a radio bearer is successfully established with the target UE. The wireless bearer processing method provided by the embodiment of the present invention realizes the service transmission in the 5G IAB network by controlling the relevant operations of the wireless bearer between the nodes by the upper-level IAB node.

Description

technical field [0001] Embodiments of the present invention relate to the field of wireless communication technologies, and in particular, to a method for processing wireless bearers. Background technique [0002] 5G NR (New RAT) is a research hotspot of current wireless communication technology. Considering the deployment scenarios and applications of future cellular networks, supporting wireless backhaul and relay links can better enable flexible and ultra-dense deployment of future NR cells without requiring proportionally dense deployment of wired transmission networks. The integrated access and backhaul technology (IAB, Integrated Access and Backhaul) has significant advantages in the initial stage of network deployment. figure 1 is a schematic diagram of centralized access and backhaul network deployment, such as figure 1 As shown, there are multiple centralized access and backhaul links in the network, and nodes A, B and C can provide wireless access for terminal UE...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/10
CPCH04W76/10
Inventor 陶雄强林佩池连刚
Owner POTEVIO INFORMATION TECH CO LTD