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Information processing method in IAB network, IAB and computer storage medium

An information processing method and network technology, applied in the field of IAB and computer storage medium, information processing method in IAB network, to achieve the effect of alleviating congestion

Pending Publication Date: 2019-12-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The information processing method in the IAB network and the IAB computer storage medium provided by the embodiment of the present invention mainly solve the technical problem of how to realize information transmission in the IAB scene

Method used

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  • Information processing method in IAB network, IAB and computer storage medium
  • Information processing method in IAB network, IAB and computer storage medium
  • Information processing method in IAB network, IAB and computer storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] In order to solve the sending of IAB scene data packets, this embodiment provides an information processing method in an IAB network, such as image 3 As shown, the information processing methods in the IAB network include:

[0039] S301. Obtain a first data packet from the access and backhaul first IAB node.

[0040] In the embodiment of the present invention, the first IAB node obtains the first data packet, and the first data packet may be the RRC message sent by the UE received by the first IAB node, or the RRC message generated by the MT of the first IAB node itself, or the first F1AP message generated by IAB node's own DU.

[0041] It is worth noting that after the first IAB node obtains the first data packet, it can also add an adaptation layer header to the first data packet, and the adaptation layer header includes at least one of the following information: target node information; IAB node identification information; the control signaling / data carried flag i...

Embodiment 2

[0046]When the ingress data rate on the IAB node is greater than the egress data rate, the buffer overflow will be caused, and then congestion will occur in the IAB network. In order to solve the problem of flow control, this embodiment provides an information processing method in the IAB network. Information processing methods in the IAB network include

[0047] The first IAB node sends flow control information to the parent node.

[0048] In the embodiment of the present invention, the IAB node accessed by the IAB node as a connection identity is called a parent IAB node. The flow control information includes at least one of the following information: one or more bearer identifiers; one or more logical channel identifiers; user equipment UE identifiers or node identifier information of IAB nodes; required buffer size desired buffer size information; required Data rate desired data rate information; flow control indication. It can be understood that the flow control informa...

Embodiment 3

[0051] In order to realize IAB resource coordination, this embodiment provides an information processing method in an IAB network, and the information processing method in the IAB network includes:

[0052] The IAB host donor CU sends downlink information to the IAB host donor DU;

[0053] Or, the IAB host donor CU sends downlink information to the IAB node;

[0054] Or, the parent IAB node forwards the downlink information to the IAB node.

[0055] The downlink information message is an RRC message or an F1AP message.

[0056] In the embodiment of the present invention, the IAB host donor DU can be directly connected to the IAB node, or can be connected to the IAB node through other intermediate IAB nodes. Therefore, when the IAB host donor CU sends downlink information to the IAB node, it can be the IAB host donor CU. The CU sends downlink information to the IAB host donor DU, and forwards the downlink information to the IAB node through the IAB host donor DU; it can also ...

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Abstract

The embodiment of the invention provides an information processing method in an IAB network, an IAB and a computer storage medium. The method comprises the following steps: a first data packet is acquired through a first IAB node; the first IAB node sends the first data packet to an IAB host, i.e., the first IAB node realizes forwarding of the data packet; flow control information is sent to a father node through an IAB node, that is, the flow control information is sent, so that congestion in an IAB network is relieved; through the configuration of the IAB host, the resource coordination in the IAB network is realized.

Description

technical field [0001] Embodiments of the present invention relate to but are not limited to the field of communication technology, and specifically, relate to but are not limited to an information processing method in an IAB network, an IAB, and a computer storage medium. Background technique [0002] As the fifth-generation mobile communication network, 5G network has a peak theoretical transmission speed of tens of Gb per second, which is hundreds of times faster than that of 4G network. The reason why 5G can achieve high transmission speed is the use of millimeter waves. Millimeter waves refer to electromagnetic waves with wavelengths on the order of millimeters, and their frequencies are between 30 GHz and 300 GHz. One of the characteristics of the millimeter wave frequency band is that it has a large attenuation in the air and a weak diffraction ability. For this reason, integrated access and backhaul links (IAB, integrated access and backhaul links) technology is pr...

Claims

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Application Information

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IPC IPC(8): H04W28/02H04W28/10H04W28/16H04W72/04H04L5/00
CPCH04W28/0289H04W28/10H04W28/16H04L5/0053H04W72/20
Inventor 刁雪莹陈琳
Owner ZTE CORP
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