Data forwarding method, device and system

A forwarding method and forwarding device technology, applied in the field of wireless communication, can solve the problem of waste of transmission resources and the like

Active Publication Date: 2019-04-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, when the handover (handover) from 5G to LTE is initiated, the access network equipment under the 5G network will forward all the streams received to the user plane function (UPF) network element, The UPF network element will forward the flow corresponding to the forwarding tunnel, and discard the flow without corresponding forwarding tunnel, resulting in waste of transmission resources

Method used

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  • Data forwarding method, device and system
  • Data forwarding method, device and system
  • Data forwarding method, device and system

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Embodiment Construction

[0031] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application.

[0032] The terminals involved in this application may include handheld devices with wireless communication functions, vehicle-mounted devices, wearable devices, computing devices or other processing devices connected to wireless modems, and various forms of user equipment (user equipment, UE), Mobile station (mobile station, MS), terminal (terminal), terminal equipment (terminal equipment) and so on. For convenience of description, in this embodiment of the present application, a UE is used as an example for illustration.

[0033] The heterogeneous system interoperability method in the embodiment of the present application is applicable to various system architectures. figure 1 It is a schematic diagram of a non-roaming scenario architecture for interoperability between a 5G system and a 4G...

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Abstract

The invention relates to the field of wireless communication technology and provides a data forwarding method. The data forwarding method comprises the following steps: receiving information of a first bearer in a first network by a session management functional network element from an access and mobility management functional network element, and sending flow information and forwarding information of a first flow in a second network to the access and mobility management functional network element, wherein the flow information is used for indicating a data forwarding flow, and the forwarding information is used for forwarding the first flow to a tunnel corresponding to the first bearer. By virtue of the scheme provided by the embodiment of the invention, access network equipment in the second network can send only a flow requiring data forwarding to a user plane functional network element according to the flow information and the forwarding information, and all the flows do not need tobe forwarded to the user plane functional network element, so that transmission resources are saved.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a data forwarding method, device and system. Background technique [0002] At present, second generation / third generation mobile communication technology (2nd generation / 3rd generation, 2G / 3G) networks have been widely deployed in many regions. With the rapid development of communication technologies, networks such as LTE (long termevolution, long term evolution) have also covered some urban areas and traffic hot spots. In addition, the next-generation network 5G (5th generation, fifth-generation mobile communication technology) is also being deployed. Therefore, 5G, LTE and 2G / 3G networks will coexist in these areas in the future. That is to say, for a long period of time, networks of different systems (such as 2G, 3G, LTE, 5G) will exist at the same time to jointly provide services for users. For this reason, interoperability between different sy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W28/12H04W36/00H04W36/14
CPCH04W28/12H04W36/0033H04W36/14H04W28/10H04W36/00H04W36/0066H04W36/125H04W76/12H04W76/11H04W8/08H04W28/0263H04W48/16H04W80/10
Inventor 杨娇李岩倪慧
Owner HUAWEI TECH CO LTD
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