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Network access method, apparatus, network device, and computer-readable storage medium

A network access device and network access technology, applied in the field of network access methods, computer-readable storage media, and devices, can solve problems such as lack of access methods and failure to ensure successful transmission of data packets, and achieve the goal of successful transmission Effect

Active Publication Date: 2022-07-15
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In related technologies, there is no IAB access method in the IAB architecture, and the successful transmission of data packets cannot be guaranteed

Method used

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  • Network access method, apparatus, network device, and computer-readable storage medium
  • Network access method, apparatus, network device, and computer-readable storage medium
  • Network access method, apparatus, network device, and computer-readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0026] This embodiment provides a network access method, please refer to image 3 , the network access method includes:

[0027] S301, the current self-access and backhaul IAB node obtains cell access related information from the upper-level IAB node;

[0028] S302. The current IAB node determines a candidate cell and / or performs an access attempt according to the cell access related information.

[0029] Wherein, in this embodiment, the candidate cell is determined, that is, whether the corresponding cell is used as the candidate cell is determined according to the access-related information of the cell; and the access attempt is performed based on the cell access-related information to determine Whether an access attempt needs to be performed.

[0030] In some embodiments, the cell access related information may include at least one of the following:

[0031] Indication information of whether the cell is barred;

[0032] Indication information of whether the cell is rese...

no. 2 example

[0071] This embodiment is a way of accessing an IAB node or an IAB donor. The scene diagram of this embodiment is as follows Figure 4 As shown, the UE accesses the network in the EN-DC mode, and the IAB node1 and the IAB node2 access the network in the SA mode. It should be noted that in this embodiment, a CU / DU separation scenario is used as an example, and this embodiment is also applicable to a non-CU / DU separation scenario, and the IAB node and / or the IABdonor has the gNB function.

[0072] In this embodiment, the system message of the IAB node or the IAB donor includes cell access related information. Wherein, the system message may be MIB, SIB1, or other system messages. The cell access related information includes at least one of the following: indication information of whether the cell is barred (cell barred); indication information of whether the cell is reserved (cell reserved); indication information of the reserved cell for IAB; indication of allowing IAB access...

no. 3 example

[0081] This embodiment is a way of accessing an IAB node or an IAB donor. For the scene diagram of this embodiment, please continue to refer to the Figure 4 As shown, the UE accesses the network in the EN-DC mode, and the IAB node 1 and the IAB node 2 access the network in the SA mode. It should be noted that the CU / DU separation scenario is used as an example in this embodiment, and this embodiment is also applicable to a non-CU / DU separation scenario, and the IABnode and / or the IAB donor have the gNB function.

[0082] In this embodiment, the IAB node MT is configured as an access identity corresponding to the IAB; and / or, an access category corresponding to the IAB is defined, and the IAB node MT determines the access category corresponding to the IAB before initiating an access attempt. The system message (for example, SIB1) received by the UE from the IAB node or IAB donor includes access control information (also referred to as barring control information, or access co...

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Abstract

Embodiments of the present invention provide a network access method, apparatus, network device and storage medium, which obtain cell access related information from a superior IAB node through the current self-access and backhaul IAB node; the current IAB node according to the Cell access related information, determine candidate cells and / or perform access attempts. Therefore, the access of the IAB node is realized through the cell access related information, thereby realizing the successful transmission of the data packet.

Description

technical field [0001] The embodiments of the present invention relate to, but are not limited to, the field of network communication, and specifically relate to, but are not limited to, a network access method, apparatus, network device, and computer-readable storage medium. Background technique [0002] Compared with LTE (Long Term Evolution, Long Term Evolution), NR (New Radio, new air interface) has larger available bandwidth, massive MIMO (Multiple-Input Multiple-Output, multiple-input multiple-output technology), and multi-beam (multi-beam). ) makes the research and application of integrated access and backhaul links (IAB, integrated access and backhaul links) possible. Through the wireless backhaul link and relay link, the dense NR cell network can be deployed more flexibly without correspondingly increasing the dense deployment of the transmission network. An access node that supports wireless access of the UE and performs wireless backhaul of user plane or control ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/08H04W48/16
CPCH04W48/08H04W48/16H04W88/08H04W92/12H04W48/18H04W48/20H04W84/047H04W92/20H04W88/14
Inventor 黄莹陈琳
Owner ZTE CORP
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