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A method and device for determining random access resources

A technology of random access and resources, applied in the directions of transmission path sub-channel allocation, digital transmission system, signaling allocation, etc.

Active Publication Date: 2022-05-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The embodiment of the present application provides a method and device for determining random access resources, which solves the problem that after an IAB node accesses the network, it cannot select an appropriate random access resource based on the measurement result of the backhaul link synchronization signal, and initiate a random access resource. Incoming request question

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  • A method and device for determining random access resources
  • A method and device for determining random access resources
  • A method and device for determining random access resources

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Embodiment Construction

[0042] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments. Based on the embodiments in the application, all other implementations obtained by those skilled in the art without creative work For example, all belong to the protection scope of this application.

[0043] It should be understood that the names of all nodes and messages in this application are only the names set by this application for the convenience of description, and the names in actual networks may be different. It should not be understood that this application limits the names of various nodes and messages. On the contrary, Any name that has the same or similar function as the node or message used in this application is regarded as a method of this application or an equiva...

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Abstract

A method and device for determining random access resources, which are used to determine the association relationship between backhaul link synchronization signals and random access resources. One of the methods for determining random access resources includes: the first network device acquires first configuration information, the first configuration information includes the association relationship between the second synchronization signal and the random access resource, and the synchronization signal included in the first synchronization signal An association relationship between a block and a random access resource; the first network device associates the second synchronization signal with the first random access resource and / or the second random access resource according to the first configuration information. By determining the relationship between the synchronization signal of the backhaul link and the random access resource, network devices such as IAB nodes can perform link detection and recovery by measuring the synchronization signal of the backhaul link.

Description

technical field [0001] The present application relates to the field of wireless communication, and in particular to a method and device for determining random access resources. Background technique [0002] In a network including integrated access and backhaul (Integrated Access and Backhaul, IAB) and user equipment (User Equipment, UE), the IAB node can use the same random access Initiate random access according to the configuration of incoming resources, so that access to the super cell coverage occurs. As a result, access fails and causes interference to other UEs in the base station (Next generation Node B, gNB). It is not necessary to design the UEs in the entire cell to use the preamble format of the long CP that supports larger coverage for the IAB nodes that rarely access initially. On the one hand, the preamble format of the long CP will occupy more wireless resources, and on the other hand, it is not conducive to network planning and deployment. In order to solv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08H04L5/00
CPCH04W74/0833H04L5/0053H04W74/08H04L5/00
Inventor 袁世通刘凤威邱晶陈磊
Owner HUAWEI TECH CO LTD
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