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Data transmission method and apparatus

A data transmission method and data transmission technology are applied in the field of data transmission methods and devices, and can solve the problem that a PDCH layer packet replication scheme cannot be realized.

Active Publication Date: 2018-08-14
BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003]However, the prior art cannot realize the packet duplication scheme of the PDCH layer of the user plane

Method used

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  • Data transmission method and apparatus
  • Data transmission method and apparatus
  • Data transmission method and apparatus

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Embodiment Construction

[0189] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.

[0190] The terminology used in the present disclosure is for the purpose of describing particular embodiments only, and is not intended to limit the present disclosure. As used in this disclosure and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the ...

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Abstract

The present invention provides a data transmission method and apparatus. The data transmission method is used for a terminal, and includes the steps: receiving a first indication message sent from a base station, wherein the first indication message includes first information which is used to represent a packet data convergence protocol PDCP packet replication function and at least two transmission entities, configured for a radio bearer RB by the base station; according to the first indication message, setting the transmission function corresponding to the RB as the PDCP packet replication function; according to the at least two transmission entities in the first indication message, setting a transmission entity corresponding to the RB; setting a current state of the PDCP packet replication function, wherein the current state includes an activated state and an inactivated state; and according to the current state, performing corresponding data transmission with the transmission. Therefore, the data transmission method can implement data transmission for the PDCP packet replication function, and can improve the reliability of data transmission.

Description

technical field [0001] The present disclosure relates to the communication field, and in particular to a data transmission method and device. Background technique [0002] In related technologies, an RB (Radio Bearer, radio bearer) in an LTE (Long Term Evolution, long term evolution) system is a radio logical resource set. The RB refers to a segment of bearer between a UE (User Equipment, user equipment) and a base station. The RB is divided into SRB (Signaling Radio Bearer, signaling bearer) and DRB (Data Radio Bearer, data bearer) according to different bearer content. In order to solve the reliability of data packets or signaling packets, in the 5G system, a packet duplication scheme has been allowed to be adopted at the PDCH (packet data convergence protocol) layer of the user plane. [0003] However, the prior art cannot realize the packet duplication scheme of the PDCH layer of the user plane. Contents of the invention [0004] In order to overcome the problems ex...

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Application Information

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IPC IPC(8): H04L5/00H04W76/10H04W76/20H04L1/00
CPCH04L1/0006H04L5/0053H04W76/10H04W76/20H04W76/15H04W76/12H04W28/0252H04W76/27H04W28/06H04W80/02H04W80/04
Inventor 江小威
Owner BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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