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Method for indicating state of PDCP (Packet Data Convergence Protocol) copy data, terminal equipment and network equipment

A technology of terminal equipment and network equipment, applied in the field of communication

Active Publication Date: 2022-04-12
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, considering higher resource usage efficiency and reliability (reliability), a replication mechanism of more than two PDCP copies is introduced. However, the PDCP activation and deactivation mechanism in the CA scenario is not the same as the activation and deactivation mechanism in the DC scenario. Applicable to scenarios where CA and DC appear at the same time

Method used

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  • Method for indicating state of PDCP (Packet Data Convergence Protocol) copy data, terminal equipment and network equipment
  • Method for indicating state of PDCP (Packet Data Convergence Protocol) copy data, terminal equipment and network equipment
  • Method for indicating state of PDCP (Packet Data Convergence Protocol) copy data, terminal equipment and network equipment

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Embodiment Construction

[0029] figure 1 is a schematic diagram of the system 100 of the embodiment of the present application.

[0030] Such as figure 1 As shown, the terminal device 110 is connected to the first network device 130 under the first communication system and the second network device 120 under the second communication system, for example, the first network device 130 is a Long Term Evolution (Long Term Evolution, LTE) The second network device 120 is a network device under a new air interface (New Radio, NR).

[0031] Wherein, the first network device 130 and the second network device 120 may include multiple cells.

[0032] It should be understood that figure 1 is an example of the communication system of the embodiment of the application, and the embodiment of the application is not limited to figure 1 shown.

[0033] As an example, the communication system to which this embodiment of the present application is adapted may include at least multiple network devices under the first...

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Abstract

Provided in an embodiment of the present application are a method, terminal device and network device for indicating a state of PDCP copying data, the method being applied to the terminal device, the terminal device having a first PDCP entity and a plurality of RLC entities corresponding to the first PDCP entity, the method comprising: the terminal device receiving first indication information, the first indication information is used for indicating a data behavior between the first PDCP entity and the plurality of RLC entities. In the embodiments of the present application, in a scene in which more than two PDCP copies (CA and DC appear at the same time), the terminal device can also clarify the data behavior between the first PDCP entity and each RLC entity in the plurality of RLC entities, thereby realizing how the plurality of RLC entities corresponding to the PDCP perform data transmission.

Description

[0001] This application is a divisional application of an application with an application date of October 30, 2018, an application number of 2018800972813, and an invention titled "Method, terminal device, and network device for indicating the status of PDCP replication data". technical field [0002] The embodiments of the present invention relate to the communication field, and more specifically, relate to a method for indicating the state of PDCP replication data, a terminal device and a network device. Background technique [0003] In data duplication (data duplication), NR has agreed to combine carrier aggregation (carrier aggregation, CA) and dual connectivity (dual connectivity, DC) PDCP duplication (duplication) function to transmit duplicate data to improve the reliability of data transmission . That is, considering higher resource usage efficiency and reliability (reliability), a replication mechanism of more than two PDCP copies is introduced. However, the PDCP ac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/15H04W76/27H04L5/00
CPCH04L1/22H04L1/1896H04L5/0053H04W28/06H04W28/04H04W76/15H04L5/001H04L69/324H04W80/02H04W72/20H04W76/27H04W84/18
Inventor 卢前溪
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD