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Flow control method, target node, node and donor node

A technology of donor node and target node, applied in the field of communication, can solve problems such as waste of resources

Pending Publication Date: 2020-05-19
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a flow control method, a target node, a node, and a donor node, so as to solve the problem in the prior art that resources are wasted by triggering multiple flow control requests for the same link congestion

Method used

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  • Flow control method, target node, node and donor node
  • Flow control method, target node, node and donor node
  • Flow control method, target node, node and donor node

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Embodiment Construction

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but 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 creative efforts fall within the protection scope of the present invention.

[0037] In the embodiments of the present invention, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodiment or design solution described as "exemplary" or "for example" in the embodiments of the present invention shall not be construed as being more preferred or more advantageous than other embodiments or design solutions. Rather, the use of words such as "exemplary" or "such as" is intended to pr...

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Abstract

The invention provides a flow control method, a target node, a node and a donor node. The flow control method comprises the step that the target node sends a flow control request to the donor node under the condition that a target link between a first node and a second node generates data congestion, wherein the target node is one of the first node and the second node, and data congestion of the target link is firstly detected. According to the embodiment of the invention, only the node which detects that the target link is subjected to data congestion initiates the flow control request to thedonor node, so that the congestion flow control of the donor node to the target link can be realized, and the waste of signaling, resources and the like caused by the fact that a plurality of nodes initiate the flow control request for the congestion problem of the same link is avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a flow control method, a target node, a node and a donor node. Background technique [0002] In NR (New Radio, new air interface), an IAB (Integrated Access and Backhaul, relay) node is introduced. The IAB nodes can expand the network coverage through wireless cascading. [0003] Such as figure 1 As shown, the terminal is connected to IAB node 3, and IAB node 3 is connected to IAB node 2 through wireless backhaul, and IAB node 2 is connected to IAB node 1 through wireless backhaul. Similarly, IAB node 1 is connected to IAB node 1 through wireless backhaul. Connect to the IAB donor node (donor). The IAB donor node is a node with wired backhaul, and is connected to the core network (CN) through a wired link. [0004] When the downlink between the parent node and the child node is congested (such as figure 1 The shown IAB node 2 is the parent node of the IAB node...

Claims

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Application Information

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IPC IPC(8): H04W28/02
CPCH04W28/0205H04W28/0284H04W28/0289
Inventor 金巴·迪·阿达姆·布巴卡鲍炜
Owner VIVO MOBILE COMM CO LTD
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