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Mapping bearing method, access network entity and SMF (Session Management Function)

A mapping method and access network technology, applied in the field of communications, can solve problems such as bearer mismatch

Active Publication Date: 2018-10-09
DATANG MOBILE COMM EQUIP CO LTD
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Problems solved by technology

[0004] The purpose of the present invention is to provide a bearer mapping method, an access network entity, and an SMF to solve the problem that the air interface bearer on the access network side does not match the bearer mapped on the core network side when switching from a 5G network to an LTE network. question

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  • Mapping bearing method, access network entity and SMF (Session Management Function)
  • Mapping bearing method, access network entity and SMF (Session Management Function)
  • Mapping bearing method, access network entity and SMF (Session Management Function)

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[0085] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0086] The next-generation network (collectively referred to as 5G in the present invention) needs to support interoperability with traditional LTE networks, and one of the interoperability is accomplished through inter-RAT handover between the 5G network and the traditional LTE network. see figure 1 , figure 1 It is a schematic diagram of a network architecture supporting interoperability between a 5G network and an LTE network provided by an embodiment of the present invention, as shown in figure 1 As shown, the Nx interface between the AMF (Access and Mobility Management Function, access and mobility management function) in the 5G network and the MME (Mobility Management Entity, mobility management entity) in the traditional LTE network is optional s...

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Abstract

The invention provides a mapping bearing method, access network entity and an SMF. The method comprises that the access network entity receives mapping relation information from a QoS (Quality of Service) flow to an EPS bearer in a session sent through the SMF; and according to the mapping relation information, the access network entity carries out mapping of evolutional radio access bearing (E-RAB). Thus, the problem that the mapping of bearing in the core network side does not match that in the access network side can be solved effectively.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a bearer mapping method, an access network entity and an SMF (Session Management Function, session management function). Background technique [0002] With the rapid development of mobile communication technology, the future mobile communication network needs to support interoperability with LTE (Long Term Evolution, Long Term Evolution) network, so as to support UE (User Equipment, user terminal) between the next generation network and LTE network switch. [0003] The air interface bearer in the LTE network is in one-to-one correspondence with the EPS bearer (Evolved Packet System bearer, Evolved Packet System bearer) in the session, while the air interface bearer in the next generation network is based on the QoS flow (Quality of Service flow, Quality of Service flow) in the session flow) independently generated, when performing handover from the next generation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/14
Inventor 王胡成
Owner DATANG MOBILE COMM EQUIP CO LTD
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