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Method, device and system for realizing service continuity

A continuous and business technology, applied in the field of communication, can solve problems such as no solution

Active Publication Date: 2020-07-17
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]However, there is currently no relevant solution on how to ensure business continuity during the transmission of application layer data packets

Method used

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  • Method, device and system for realizing service continuity
  • Method, device and system for realizing service continuity
  • Method, device and system for realizing service continuity

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Experimental program
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Embodiment Construction

[0051] In order to facilitate the understanding of the solutions of the embodiments of the present application, a brief introduction of related concepts is first given as follows:

[0052] First, the packet data unit (PDU) session

[0053] A PDU session is an association between a terminal device and a data network (data network, DN), and is used to provide a PDU connection service.

[0054] Second, QoS parameters

[0055] The QoS parameters in the embodiment of this application include one or more of the following parameters:

[0056] 1. 5G QoS identifier (5G QoS identifier, 5QI)

[0057] 5QI is a scalar used to index to the corresponding 5G QoS feature. 5QI is divided into standardized 5QI, pre-configured 5QI and dynamically allocated 5QI. For a standardized 5QI, it corresponds to a set of standardized 5G QoS characteristic values; for a preconfigured 5QI, the corresponding 5G QoS characteristic value is preconfigured on the access network device; for a dynamically alloc...

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Abstract

The embodiment of the invention provides a method, a device and a system for realizing service continuity, which can ensure the service continuity in the process of transmitting an application layer data packet. The method comprises the following steps: a session management network element receives first survival time information from a policy control network element, wherein the first survival time information indicates the sustainable time of a service when a correct data packet is not received; the session management network element determines the first survival time information as a binding parameter of a quality of service QoS flow; the session management network element sends second survival time information to the access network equipment, wherein the second survival time information is used for indicating the sustainable time; and after receiving the second survival time information from the session management network element, the access network equipment schedules the data packet according to the second survival time information.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a method, device and system for realizing service continuity. Background technique [0002] In order to meet the challenges of wireless broadband technology and maintain the leading edge of the 3rd generation partnership project (3GPP) network, the 3GPP standard group formulated the next generation mobile communication system (next generation system) network architecture at the end of 2016, called The fifth generation (5rd generation, 5G) network architecture. [0003] Ultra-reliable low latency communication (URLLC) scenarios are defined in the 5G network architecture, mainly including services that require low-latency and highly reliable connections such as unmanned driving and industrial automation. In order to meet the requirements of the application layer, the network layer will transmit application layer service data packets (abbreviated as application ...

Claims

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Application Information

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IPC IPC(8): H04W28/24H04W76/20
CPCH04W28/24H04W76/20H04W72/1221H04L47/826H04L47/805H04W28/0263H04W28/0268H04M15/66H04W28/0908H04W28/0925H04L12/1407H04M15/8016H04M15/8228H04W4/24H04L41/5019H04L41/5032H04W24/04H04W72/23
Inventor 孙海洋
Owner HUAWEI TECH CO LTD
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