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Communication method and device

A communication method and consistent technology, applied in wireless communication, electrical components, power management, etc., can solve problems such as channel access failure, and achieve the effects of reducing delay, avoiding data interruption, and improving continuity

Pending Publication Date: 2021-08-24
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of this application is to provide a communication method and device to solve the problem of how to perform further processing when the terminal-side device determines that channel access fails when the terminal-side device is in an idle state or inactive state The problem

Method used

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Embodiment Construction

[0035] The embodiments of the present application will be described in detail below in conjunction with the accompanying drawings.

[0036] Embodiments of the present application may be applied to various mobile communication systems, for example: new radio (new radio, NR) system, long term evolution (long term evolution, LTE) system, advanced long term evolution (advanced long termevolution, LTE-A) system , an evolved long term evolution (evolved long term evolution, eLTE) system, a future communication system, and other communication systems, specifically, there is no limitation here.

[0037]In the embodiment of the present application, "multiple" means two or more. In view of this, in the embodiment of the present application, "multiple" can also be understood as "at least two". "At least one" can be understood as one or more, such as one, two or more. For example, including at least one means including one, two or more, and does not limit which ones are included. For ex...

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PUM

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Abstract

The embodiment of the invention provides a communication method and device. The method comprises the steps that terminal side equipment executes uplink listen before talk (LBT) in a first cell; when the terminal side equipment determines that consistency LBT (Listen Before Talk) failure occurs, the terminal side equipment executes at least one of the following operations: executing a cell reestablishment process; performing cell reselection; performing cell selection; determining that the first cell is not used as a candidate cell for cell reselection or cell selection; reducing the frequency point priority of the frequency points of the first cell, or setting the frequency point priority of the frequency points of the first cell as the lowest priority; determining that a timing advance (TA) corresponding to the first cell is invalid; clearing configuration authorization or random access resources corresponding to the terminal side equipment in the first cell; and clearing the radio network temporary identifier RNTI of the terminal side equipment in the first cell.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a communication method and device. Background technique [0002] With the continuous growth of mobile data traffic, spectrum resources are becoming more and more tight, and only using licensed spectrum resources for business transmission can no longer meet the traffic demand. Therefore, the Long Term Evolution (LTE) system and new radio (new radio, NR) systems and the like consider performing service transmission on unlicensed spectrum. Since the unlicensed spectrum is a shared spectrum, any device can use it. In order to avoid mutual interference between devices, devices can compete for channels in the unlicensed spectrum through the channel access process before using the unlicensed spectrum for service transmission. If the channel access is successful, data transmission can be performed through the unlicensed spectrum, and if the channel access fa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/24H04W36/30H04W52/02
CPCH04W36/24H04W52/0261H04W36/304H04W52/02Y02D30/70
Inventor 酉春华徐小英
Owner HUAWEI TECH CO LTD
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