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Information configuration method and device

A technology of configuration information and indication information, applied in the field of communication, can solve the problem of large signaling overhead, and achieve the effect of saving signaling overhead

Pending Publication Date: 2020-10-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In this way, network devices need to broadcast two sets of random access resource configuration information, one for terminal devices to access the network and the other for IAB nodes to access the network. In all RMSIs, it is necessary to broadcast the random access resources used by terminal devices. In addition, it needs to broadcast the configuration information of random access resources used by IAB, and the signaling overhead is relatively large.

Method used

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  • Information configuration method and device

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0134] Figure 4A It is a schematic flowchart of the method 400 for configuring information provided by the embodiment of the present application. The method 400 includes the following steps:

[0135] 410. The first node obtains multiple RMSIs, wherein some of the RMSIs carry first random access resource configuration information (also referred to as PRACH configuration), and the first random access resource configuration information is used by the second node to send The first node initiates random access, and at least part of the RMSI includes indication information, where the indication information is used to indicate the time domain position of the first random access resource configuration information;

[0136] 420. Periodically send the multiple RMSIs.

[0137] 430. The second node periodically receives the multiple RMSIs, reads the indication information, and acquires configuration information of the first random access resource based on the indication information.

[...

Embodiment 2

[0176] Figure 5A It is a schematic flow chart of the method 500 for configuring information provided by the embodiment of the present application. The method 500 includes the following steps:

[0177] 510. The first node obtains multiple RMSIs, and at least some of the RMSIs carry scheduling information, the scheduling information is used to indicate the time domain position of the configuration information of the first random access resource, and the configuration information of the first random access resource The information is used for random access of the backhaul link of the second node;

[0178] Wherein, the scheduling information includes one or more of the following information:

[0179] The time domain position of the first random access resource configuration information, the frequency domain position of the first random access resource configuration information, the type of scheduling information, and an update instruction.

[0180] 520. Periodically send the m...

Embodiment 4

[0218] Such as Figure 8A As shown, the embodiment of the present application provides a method 800 for configuring information, including:

[0219] 810. The donor base station sends a first signaling to all subordinate nodes (also called subnodes, for example, Figure 8B IAB1-IAB3 in ) to send PRACH configuration information, the PRACH configuration information is carried in part of the RMSI, at least part of the RMSI carries the first indication information of the system frame where the PRACH configuration information is located or the RMSI where it is located.

[0220] There are many ways to realize the indication mode of PRACH configuration. For details, reference may be made to the description of Embodiment 1, which will not be repeated here.

[0221] The first signaling may be F1-AP signaling.

[0222] The PRACH configuration is sent through a broadcast channel PBCH.

[0223] 820. The donor base station sends second indication information to the first-level child node...

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PUM

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Abstract

The application provides an information configuration method and device. The method comprises the following steps that: a first node obtains a plurality of pieces of residual minimum system information (RMSI), wherein a part of the RMSI carries configuration information of a first random access resource, at least a part of the RMSI comprises indication information, the indication information is used for indicating a time domain position of the configuration information of the first random access resource, and the first random access resource is used for a second node to randomly access the first node; and the plurality of RMSIs are transmitted periodically. According to the technical scheme provided by the application, each RMSI period does not need to carry the configuration information of the first random access resource, and only certain specific RMSIs need to carry the configuration information of the first random access resource, so that resources can be saved.

Description

technical field [0001] The present application relates to the communication field, and in particular to a method and device for configuring information. Background technique [0002] In the prior art, the method for a terminal device to obtain random access resources is as follows: After starting up, by detecting a synchronization signal block / physical broadcast channel block (SS / PBCH block), it is determined to carry random access resources A time-domain position and a frequency-domain position of remaining minimum system information (Remaining Minimum System Information, RMSI) of the configuration information. After the RMSI is detected according to the indicated position, the configuration information of the random access resource can be obtained, and the network can be accessed based on the random access resource indicated by the configuration information. [0003] In the current standard discussion of 5G, Integrated Access and Backhaul (IAB) nodes (other types of equip...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04W74/00H04W74/08
CPCH04W72/0446H04W74/008H04W74/0833H04W72/20H04W74/00H04W72/04H04W74/08
Inventor 袁世通刘凤威邱晶陈磊
Owner HUAWEI TECH CO LTD