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Method, device and system for sending end mark

A technology of end marking and equipment, applied in the direction of electrical components, wireless communication, connection management, etc., can solve the problems that the end marking cannot be sent to the target AN, the downlink data is out of order, and the core network cannot generate the end marking, etc.

Pending Publication Date: 2021-01-22
HUAWEI TECH CO LTD
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  • Claims
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Problems solved by technology

[0008] In the above data path implementation, since the DRB on the air interface path is invisible to the core network, the core network cannot generate a DRB-based end marker, wherein the DRB-based end marker is used to assist the target AN in the downlink on the target DRB The data is sorted, so when the UE is handed over from the source AN to the target AN, the core network cannot send the DRB-based end marker to the target AN, which causes the problem of out-of-order downlink data caused by UE handover

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  • Method, device and system for sending end mark
  • Method, device and system for sending end mark
  • Method, device and system for sending end mark

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Embodiment Construction

[0060] 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 of the embodiments of the present invention, 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 making creative efforts belong to the protection scope of the present invention.

[0061] It should be noted that the core network user plane device and the core network control plane device mentioned in each embodiment of the present invention can be integrated on the same core network device, or can be distributed on two independent core network devices. It can also be two different network function entities on a data center or server. Among them, the core network user plane equipment is used to realize figure 1 The data rou...

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Abstract

The invention discloses a method, equipment and a system for sending an end mark. The method comprises the steps that a source AN receives a first end mark sent by core network user plane equipment through a source NG3 path between the source AN and the core network user plane equipment; the source AN generates N second end marks according to the first end marks, and N is the number of source DRBscorresponding to the source NG3 path; and the source AN sends the N second end marks to a target AN through a forwarding path corresponding to the source NG3 path. By means of the method, the targetAN can accurately obtain the end marks based on the DRB under the condition that the DRB of the core network is invisible, and correct sorting of downlink data on the target DRB of the UE in a switching scene is ensured.

Description

technical field [0001] The present invention relates to a mobile communication system, in particular to a method, device and system for sending an end mark. Background technique [0002] NextGen (NG) is the abbreviation of the next generation mobile communication system architecture, see figure 1 , specifically may be composed of a user equipment (user equipment, UE), an access node (access node, AN), a core network (Core network, CN) and a data network (data network). Among them, CN can be logically divided into two parts, the user plane and the control plane. The control plane is responsible for the management of the mobile network, and the user plane is responsible for the transmission of service data. see figure 1 , NG2 is the transmission path between the control planes of the AN and the CN, NG3 is the transmission path between the user planes of the AN and the CN, and NG6 is the transmission path between the user plane of the CN and the data network. [0003] UE: Th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W40/02
CPCH04W36/0016H04W40/02H04W36/12H04W36/00H04W36/02H04W76/22H04W76/11H04W76/12H04W40/12H04W68/005H04W88/08
Inventor 朱强华熊春山
Owner HUAWEI TECH CO LTD