Communication method and device thereof

A communication method and technology of a communication device, applied in the communication field, can solve the problems of not giving a non-IP type PDU session, determining a DSCP value, etc.

Active Publication Date: 2019-05-28
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, a scheme for determining the DSCP value for IP-type PDU sessions is give

Method used

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  • Communication method and device thereof
  • Communication method and device thereof
  • Communication method and device thereof

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Embodiment Construction

[0087] See figure 2 , is a schematic diagram of a network architecture applying an embodiment of the present application. The network architecture diagram may be a network architecture diagram of a 5G system, including authentication server function (authentication server function, AUSF), unified data management (unified data management, UDM), access and mobility management (AMF), session management function ( SMF), policy control function (policy control function, PCF), application function (application function, AF), terminal equipment, access network (access network, AN), user plane function (UPF) and data network (data network, DN) . Wherein, the access network may be a radio access network (radio access network, RAN).

[0088] Among them, the interface between terminal equipment and AMF is N1 interface, the interface between (R)AN and AMF is N2 interface, the interface between (R)AN and UPF is N3 interface, and the interface between UPF and SMF is N4 interface, the inter

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Abstract

The embodiment of the invention provides a communication method and device, and the method comprises the following steps that a UPF receives a downlink data packet of a non-IP type PDU session, and the access network tunnel information of the non-IP type PDU session is not stored in the UPF; The UPF determines a mark value corresponding to the downlink data packet according to the transmission layer IP packet header information of the downlink data packet or the inner layer packet header information of the downlink data packet; And the UPF sends a downlink data notification to a session management function (SMF), the downlink data notification comprises a mark value corresponding to the downlink data packet, and the mark value corresponding to the downlink data packet is used for the SMF to determine the paging strategy identifier of the downlink data packet. According to the embodiment of the invention, the determination of the non-IP type PDU session flag value can be realized, and then the paging strategy is determined.

Description

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Claims

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Application Information

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Owner HUAWEI TECH CO LTD
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