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Data transmission method and device

A data transmission method and data transmission technology, which are applied in the field of data transmission methods and devices, can solve problems such as beam failure, and achieve the effect of ensuring reliability and reliable data transmission

Active Publication Date: 2022-03-01
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the actual application process, the terminal may experience the failure of the beam of the serving cell, that is, the primary cell or the secondary cell. Therefore, it is urgent to provide a data transmission method to realize the reliable data transmission

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Embodiment Construction

[0016] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0017] 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 character " / " in this article generally ind...

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Abstract

The invention provides a data transmission method and device. In the embodiment of the present invention, the terminal detects the data transmission status of each of the at least two serving cells, so that the terminal can perform random Access to update the serving beam of the serving cell, so that when the beam of the serving cell fails in the terminal under the CA scenario, reliable data transmission is realized, and the reliability of data transmission can be effectively guaranteed.

Description

[0001] This application is a divisional application of a PCT national phase application with an application date of March 20, 2018, an application number of 201880067823.2, and an invention title of "Data Transmission Method and Device". technical field [0002] The invention relates to data transmission technology, in particular to a data transmission method and device. Background technique [0003] In a wireless communication system with a carrier aggregation (Carrier Aggregation, CA) feature, a terminal can communicate with a network device through multiple serving cells (Serving Cells). Among the multiple serving cells, one serving cell is a primary cell (Primary Cell, PCell), and the other serving cells are secondary cells (Secondary Cell, SCell). The terminal can send uplink signals to the network device through different serving cells. [0004] In the actual application process, the terminal may experience the failure of the beam of the serving cell, that is, the prim...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/28
CPCH04W16/28H04W36/00692H04W74/0833H04B17/17H04B7/0695H04W76/19H04W24/10H04L5/001H04L5/0023H04W36/06H04B7/0602H04L69/28H04W72/046H04W92/10H04B7/088H04W84/02H04L5/0085H04W88/08H04B17/382H04W88/02H04B7/0408H04W8/22H04W92/02H04B17/18H04L41/0661
Inventor 尤心石聪
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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