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A communication method and device

A communication method and signaling technology, applied in the field of communication

Active Publication Date: 2021-09-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This application provides a communication method and device to solve the problem that two terminal devices use beamforming technology to communicate on the auxiliary link

Method used

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Embodiment Construction

[0095] In order to facilitate understanding, a description of concepts related to the present application is given for reference, as follows:

[0096] 1) The network device may be a device in the network that connects the terminal device to the wireless network. The network device is a node in a radio access network, and may also be called a base station, and may also be called a radio access network (radio access network, RAN) node (or device). Currently, examples of some network devices are: gNB, transmission reception point (transmission reception point, TRP), evolved Node B (evolved Node B, eNB), home base station (for example, homeevolved NodeB, or home Node B, HNB), baseband unit (base band unit, BBU), or WiFi access point (access point, AP), etc. In addition, in a network structure, the network device may include a centralized unit (centralized unit, CU) node and a distributed unit (distributed unit, DU) node. This structure separates the protocol layers of the eNB in...

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PUM

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Abstract

A communication method and device, the method comprising: a first terminal device determines first beam information, and the first beam information indicates a beam used by the first terminal device for data transmission on a secondary link; the first terminal device Send the first beam information. By adopting the method and device of the present application, the problem that two terminal devices communicate with each other by using the beamforming technology on the auxiliary link can be solved.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a communication method and device. Background technique [0002] In a wireless communication system, communication of a terminal device may be divided into secondary link (sidelink, SL) communication and Uu air interface communication. Among them, the SL communication is used for the communication between the terminal equipment and the Uu air interface communication is used for the communication between the terminal equipment and the base station. [0003] In a new radio interface (new radio, NR) system, a beamforming (beamforming) mechanism is introduced to overcome the problem of easy fading caused by high frequencies. In SL communication, there is no relevant solution on how two terminal devices communicate using a beamforming mechanism. Contents of the invention [0004] The present application provides a communication method and device to solve the pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W16/28
CPCH04W16/28H04W4/70
Inventor 张向东
Owner HUAWEI TECH CO LTD