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Method and device for moving between communication systems

A communication system and flow information technology, applied in the field of moving methods and devices between communication systems, can solve problems such as QoS parameters are not mapped one-to-one, UE cannot be moved to 5G network, QoS flow and EPS bearer are not mapped one-to-one, etc.

Active Publication Date: 2020-02-14
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, because the QoS flow in the 5G network replaces the EPS bearer in the 4G network, and the QoS flow and the EPS bearer are not mapped one by one, and the QoS parameters are not mapped one by one, so the UE moves from the 4G network to the 3G network. method, UE cannot move from 4G network to 5G network

Method used

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  • Method and device for moving between communication systems
  • Method and device for moving between communication systems
  • Method and device for moving between communication systems

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Embodiment Construction

[0194] Before introducing the present application, the technical terms involved in the embodiments of the present application are first introduced.

[0195] Protocol Data Network (Protocol Data Network, PDN) connection (Connection or Connectivity): in the first communication system (for example, in the 4G network), a combination of a group of EPS bearers established on the UE, and these EPS bearers have the same IP address and Access Point Name (APN). On the UE and the network side, a PDN connection is identified by an IP address and an APN.

[0196] PDN connection context: including the IP address used by the PDN connection, APN, PGW address, and context (Context) information carried by each EPS.

[0197] The EPS bearer refers to a data transmission channel in the first communication system (for example, in the 4G network). The EPS bearer in an active state refers to a data transmission channel that has been established in the first communication system and has a certain Qo...

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Abstract

Embodiments of the present application provide a method and device for moving between communication systems, which relate to the field of communication technologies and are used for moving user equipment from a first communication system to a second communication system. The method includes: the UE receives a first message, and the UE The first message is used to establish or modify a first EPS bearer for the UE in the first communication system, and the first message includes the first EPS bearer of the second communication system corresponding to the first EPS bearer Quality of service QoS flow information; the UE saves the first QoS flow information; the UE moves from the first communication system to the second communication system; the UE determines that the UE is in the second communication system according to the first condition The QoS flow information used in the second communication system, the first condition includes the first QoS flow information.

Description

[0001] This application claims the priority of the PCT patent application with the application number PCT / CN2017 / 083522 and the title of the invention "a method and device for moving between communication systems" submitted to the China Patent Office on May 08, 2017. The entire content of the application is passed References are incorporated in this application. technical field [0002] The present application relates to the field of communication technologies, and in particular to a method and device for moving between communication systems. Background technique [0003] With the rapid development of communication technology, various user terminals (User Equipment, UE) such as smartphones, tablet computers, and portable devices have emerged. These UEs can simultaneously support different generations of mobile communication networks, and can switch between communication networks. The fifth generation (5th Generation, 5G) mobile communication technology is an extension of th...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/14H04W36/18
CPCH04W36/0022H04W28/0268H04W76/10H04W76/16H04W36/00H04W28/0252H04W36/0005H04W36/0044H04W36/04H04W36/00695H04W36/1443H04W88/06H04W36/14
Inventor 金辉窦凤辉杨皓睿何岳欧阳国威
Owner HUAWEI TECH CO LTD