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Communication method and device

A communication method and a technology for indicating information, which are applied in the field of communication, and can solve the problem that business flow cannot be multi-access technology to realize business flow shunting

Pending Publication Date: 2021-09-07
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the prior art, the service flow using the user datagram protocol (UDP) cannot realize the offloading of the service flow through the multi-access technology

Method used

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  • Communication method and device
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Examples

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Embodiment Construction

[0092] In order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function and effect. For example, the first network and the second network are only used to distinguish different networks, and their sequence is not limited. Those skilled in the art can understand that words such as "first" and "second" do not limit the number and execution order, and words such as "first" and "second" do not necessarily limit the difference.

[0093] It should be noted that, in this application, words such as "exemplary" or "for example" are used as examples, illustrations or illustrations. Any embodiment or design described herein as "exemplary" or "for example" is not to be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "s...

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Abstract

The embodiment of the invention provides a communication method and device, and relates to the field of communication. According to the method provided by the embodiment of the invention, the QUIC connection or the MP-QUIC link can be established between the network side control terminal equipment and the UPF network element, so that the data transmission of the flow granularity can be realized for the UDP service flow based on the QUIC connection or the MP-QUIC link. The method comprises the steps that an SMF network element receives a first message from a terminal device for requesting establishment or PDU session; the SMF network element sends a second message to the terminal device, wherein the second message is used for indicating that the PDU session is established or updated successfully, the second message comprises second indication information, the second indication information is used for indicating that a service flow in the PDU session is transmitted by a QUIC method, or used for indicating that the service flow in the PDU session is transmitted by an MP-QUIC method.

Description

technical field [0001] The present application relates to communication technologies, and in particular to a communication method and device. Background technique [0002] In the next generation wireless communication system, for example: in the new radio (NR) system, the user equipment (user equipment, UE) communicates with the data network (datanetwork, DN) through the user plane function (user plane function, UPF) network element ) The network element establishes a protocol data unit (protocol data unit, PDU) session, and the PDU session provides a data transmission service between the terminal device and the DN network element. [0003] In the prior art, the establishment of multiple access PDU sessions (also called multiple PDU sessions) can be supported between the UE and the UPF network element. For example, as figure 1 As shown, UE and UPF network element can establish a multi-access PDU session A based on access technology 1 and access technology 2, then the servic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/12H04W76/11H04W76/22H04W80/06
CPCH04W76/12H04W76/11H04W76/22H04W80/06H04L69/14H04L69/16H04L67/141H04W88/14H04W76/10H04W80/02
Inventor 于游洋
Owner HUAWEI TECH CO LTD
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