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A radio bearer processing method

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electrical components, etc., can solve the problem that the wireless bearer establishment or modification method is no longer applicable, and achieve the effect of service transmission

Inactive Publication Date: 2021-09-28
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of new network architecture and new node, so the existing radio bearer establishment or modification methods are no longer applicable, so a radio bearer processing method is urgently needed to solve the above problems

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Embodiment Construction

[0041] In order to make the purpose, 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 in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are the Some, but not all, embodiments are invented. 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.

[0042] At present, in the 5G IAB network, the UE can first access the IAB node, the IAB node transmits to the main IAB node (IAB donor) through wireless backhaul, and then the IAB node transmits to the 5G core network through wired transmission.

[0043] For the above situation, image 3 is a schematic flowchart of a radio bearer processing method provided by an embodi...

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Abstract

An embodiment of the present invention provides a radio bearer processing method, including: determining a target UE that needs to establish a radio bearer and all IAB nodes that provide radio access for the target UE; sending a first RRC reconfiguration message to the first IAB node , to instruct the first IAB node to perform radio bearer-related operations according to the first RRC reconfiguration message, and send second RRC reconfiguration messages down to the target UE in sequence according to the routing order; receiving the first RRC reconfiguration message After the first RRC reconfiguration complete message sent by an IAB node, it is determined that the target UE successfully establishes a radio bearer. The radio bearer processing method provided by the embodiment of the present invention implements service transmission in the 5G IAB network by controlling the related operations of the radio bearer between nodes by the IAB master node.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of wireless communication, and in particular, to a radio bearer processing method. Background technique [0002] 5G NR (New RAT) is a research hotspot in current wireless communication technology. Considering the deployment scenarios and applications of future cellular networks, supporting wireless backhaul and relay links can better realize the flexible and ultra-dense deployment of future NR cells, without the need for proportionally dense deployment of wired transmission networks. The integrated access and backhaul technology (IAB, Integrated Access and Backhaul) has obvious 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. Nodes A, B, and C can all provide wireless access for terminal UEs...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/12H04W76/19
CPCH04W76/12H04W76/19
Inventor 陶雄强林佩池连刚
Owner POTEVIO INFORMATION TECH CO LTD