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A data transmission method, device and system

A technology of equipment and number, applied in the field of communication, can solve problems such as the inability to determine the start time of information and the inability to receive data correctly

Active Publication Date: 2021-07-16
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a data transmission method, device and system, which can solve the problem in the prior art that the receiving end cannot correctly receive data because it cannot determine the start time of information transmission on the license-exempt spectrum

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  • A data transmission method, device and system
  • A data transmission method, device and system
  • A data transmission method, device and system

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Embodiment Construction

[0241] 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 only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0242] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, Code Division Multiple Access (Code Division Multiple Access, CDMA) system, wideband code division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Pac...

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Abstract

The invention discloses a data transmission method, device and system, which relate to the field of communications and can solve the problem in the prior art that the receiving end cannot correctly receive data because it cannot determine the start time of information transmission on the license-exempt spectrum. The specific solution is: the first device detects the first information of the first serving cell in the preset time period of the first subframe in the first time resource or in the first time set of the subframe in the first time resource, and determines according to the first information The starting position of the second time resource is to detect the second information of the first serving cell in the second time set of subframes in the second time resource. The present invention is used for data transmission.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission method, device and system. Background technique [0002] In a wireless communication network, each device needs to use frequency resources for information transmission, and the frequency resources are also called spectrum. Spectrum can be divided into licensed spectrum and license-free spectrum. License-free spectrum is also called license-free spectrum. Licensed spectrum is a frequency resource exclusive to some operators, and license-exempt spectrum is a common frequency resource in a wireless communication network. With the development of communication technology, the amount of information transmitted in the wireless communication network is increasing day by day. Using the license-free spectrum to transmit information can improve the data throughput in the wireless communication network and better meet the needs of users. [0003] However, when the devi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B17/382
CPCH04B7/26H04B17/382H04W72/0446H04L5/0007H04L5/0078H04L5/0044H04L5/0053H04L27/2601H04L5/00H04L5/0057
Inventor 郑娟闫志宇李强马莎
Owner HUAWEI TECH CO LTD
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