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A method, device and system for transmitting data

A technology for transmitting data and equipment, which is applied in the field of a method, equipment and system for transmitting data, and can solve the problem that LTE-U nodes cannot exclusively transmit data on channel resources.

Active Publication Date: 2020-04-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Embodiments of the present invention provide a data transmission method, device and system, which can solve the problem that LTE-U nodes cannot monopolize channel resources for a period of time to transmit data

Method used

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  • A method, device and system for transmitting data
  • A method, device and system for transmitting data
  • A method, device and system for transmitting data

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Embodiment Construction

[0086] Referring now to the drawings to describe various embodiments, in the following description, for purposes of explanation, some specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that the described embodiments may be practiced without these specific details. In other examples, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0087] The term "and / or" in this article is just an association relationship describing associated objects, which means that there can be three relationships, for example, A and / or B can mean: A exists alone, A and B exist simultaneously, and there exists alone B these three situations. In addition, the letter " / " in this article generally indicates that the contextual objects are an "or" relationship.

[0088] The preferred embodiments of the present invention w...

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PUM

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Abstract

The present invention relates to the technical field of communications. Disclosed are a data transmission method, device and system, for solving the problem of an LTE-U node being unable to exclusively occupy channel resources within a certain period of time to transmit data. The method comprises: determining a transmission pattern before a first device transmits data to a second device (101), the transmission pattern containing patterns of k sub-channels. Free timeslots of at least two sub-channels in the k sub-channels do not overlap at any identical moment in time, K being an integer not less than 2. The first device transmits the data to the second device according to the transmission pattern (102).

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a data transmission method, device, and system. Background technique [0002] In the Long Term Evolution Unlicensed Spectrum (English: Long Term Evolution Unlicensed spectrum, referred to as: LTE-U) system, the nodes in the LTE-U system (hereinafter referred to as LTE-U nodes) listen before speaking (English: listen Before talk (abbreviation: LBT) principle uses channel resources, wherein, LBT is a carrier sense multiple access (English: Carrier Sense Multiple Access, abbreviation: CSMA) technology. The LBT includes a working mode of a load-based equipment (English: Load Based Equipment, LBE for short) and a working mode of a frame-based equipment (English: Frame Based Equipment, short: FBE). [0003] The working method of LBE is: the device uses Clear Channel Assessment (English: Clear Channel Assessment, referred to as: CCA) to detect channe...

Claims

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Application Information

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IPC IPC(8): H04W74/08
CPCH04W74/08
Inventor 王达王键
Owner HUAWEI TECH CO LTD
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