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Data transmission method, RLC entity and PDCP entity

A data transmission method and entity technology, applied in the field of communication, can solve problems such as inability to receive data correctly

Active Publication Date: 2019-03-05
CHINA MOBILE COMM LTD RES INST +1
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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, an RLC entity, and a PDCP entity to solve the problem that the existing PDCP entity at the receiving end may not be able to receive data correctly

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  • Data transmission method, RLC entity and PDCP entity
  • Data transmission method, RLC entity and PDCP entity
  • Data transmission method, RLC entity and PDCP entity

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Embodiment Construction

[0063] 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 some of the embodiments of the present invention, but not all of them. 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.

[0064] see figure 1 As shown, the embodiment of the present invention provides a data transmission method, which is applied to the RLC entity at the receiving end, including the following steps:

[0065] Step 101: Send the RLC SDU to the PDCP entity at the receiving end.

[0066] Wherein, the RLC SDU (service data unit, service data unit) carries RLC identification information of the RLC SDU, and the RLC identification information is used by the PDCP ...

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Abstract

The present invention provides a data transmission method, an RLC entity and a PDCP entity, wherein, the data transmission method comprises: transmitting an RLC SDU to the PDCP entity at a receiving end, the RLC SDU carries RLC identification information of the RLC SDU, the RLC identification information is used by the PDCP entity to determine the RLC SDU successfully transmitted by the RLC entity. The method can facilitate the PDCP entity at the receiving end to determine the successfully transmitted RLC SDU and provide feedback to the RLC entity at the receiving end, thereby ensuring that the PDCP entity at the receiving end correctly receives data.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a data transmission method, an RLC entity and a PDCP entity. Background technique [0002] Currently, according to the relevant standards of the 3rd Generation Partnership Project (3GPP), the protocol stack functions of the Central Unit (CU) and the Distributed Unit (DU) are divided into the following ways: Segment between the Packet Data Convergence Protocol (PDCP) layer and the Radio Link Control (RLC) layer, that is, the protocol stack functions of the PDCP layer and the RLC layer will be in the CU and DU respectively. realized. At the same time, the 3GPP standard has determined that there is an interface between the CU and the DU on the network side, and the name of the interface is F1 interface. [0003] Since the protocol stack functions of the PDCP layer and the RLC layer are implemented on the CU and the DU respectively, there is an interface between the C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04W24/10H04L45/50
CPCH04L1/1671H04W24/10H04L1/16
Inventor 韩星宇孙军帅王莹莹黄学艳
Owner CHINA MOBILE COMM LTD RES INST
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