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Method and equipment for sharing channel occupation time

A time-occupied, channel-sharing technology, applied in the field of communication, can solve problems such as lack of clear network equipment and affect communication effectiveness, and achieve the effect of improving effectiveness

Active Publication Date: 2020-05-05
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a method and device for sharing channel occupancy time, so as to solve the problem that the effectiveness of communication is affected by the lack of a clear solution on how network devices share COT for downlink information transmission

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  • Method and equipment for sharing channel occupation time
  • Method and equipment for sharing channel occupation time
  • Method and equipment for sharing channel occupation time

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Embodiment Construction

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0031] The technical solution of the present invention can be applied to various communication systems, for example: Long Term Evolution (Long Term Evolution, LTE) / Enhanced Long Term Evolution (Long Term Evolution-advanced, LTE-A) system, New Air Interface (New Radio, NR) system Wait.

[0032] The terminal equipment (User Equipment, UE) in the embodiment of the present invention can also be referred to as a mobile terminal (MobileTerminal), mobile user...

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Abstract

The embodiment of the invention discloses a method and equipment for sharing channel occupation time. The method comprises the following steps: determining uplink control information UCI which comprises first indication information, and the first indication information beings used for a network device to determine related information for downlink transmission in a target time period, the network device and the terminal device sharing a target channel occupancy time (COT) in the target time period, and the target COT being obtained by the terminal device based on listen before talk (LBT); and sending the UCI. According to the method provided by the embodiment of the invention, the network equipment and the terminal equipment are consistent in understanding of downlink transmission, and thecommunication effectiveness is improved.

Description

technical field [0001] The present application relates to the field of communication technologies, and more particularly to a method and device for sharing channel occupancy time. Background technique [0002] On the unlicensed frequency band of the New Radio (NR) system, the terminal device or network device needs to perform Clear Channel Assessment (CCA) / extended Clear Channel Assessment (eCCA) before sending information. To listen to the channel, that is, to perform energy detection (Energy Detection, ED), when the energy is lower than a certain threshold, the channel is judged to be empty, and the transmission can start. Since the unlicensed frequency band is shared by multiple technologies or multiple transmission nodes, this contention-based access method leads to uncertainty in channel availability time. At present, there are mainly three types of Listen Before Talk (LBT) that can be used for NR unauthorized communication: LBT Cat 1: Send directly without any CAA, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W72/04H04L5/00
CPCH04L5/0053H04W72/21H04W74/0808H04L5/0044H04L5/0094H04L27/0006H04W72/0446H04W74/0875H04W16/14
Inventor 李灿沈晓冬姜蕾
Owner VIVO MOBILE COMM CO LTD
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