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5G core network equipment and method supporting PDN link optimization
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A core network device and core network technology, applied in wireless communication, electrical components, etc., can solve problems such as limited bandwidth, poor connection quality, unstable data network connection, etc., and achieve the effect of increasing bandwidth
Active Publication Date: 2021-07-02
INSPUR SOFTWARE TECH CO LTD
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Problems solved by technology
[0007] Aiming at the deficiencies of the prior art, the present invention provides a 5G core network device and method that supports PDN link optimization to solve the problems of unstable data network connection, limited bandwidth, and poor connection quality in 5G deployment scenarios in difficult areas. At the same time, improve the bandwidth, quality and stability of PDN connections, and provide differentiated SLAs for 5G services with different QoS
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Embodiment 1
[0039] This embodiment proposes a 5G core network device that supports PDN link optimization. The implementation architecture of the device includes: an AMF entity, a UDM entity, a PCF entity, an SMF entity, a UPF entity, and a remote PDN gateway.
[0044] SMF, the English full name is Session Management Function, that is, the session management function, as a network element of the 5G core network;
[0045] UPF, the English full name User Plane Function, is the user plane function, as a network elemen...
Embodiment 2
[0054] Based on the 5G core network equipment proposed in Embodiment 1, this embodiment proposes a 5G core network method that supports PDN link optimization. The implementation of the method is based on the AMF entity, UDM entity, PCF entity, SMF entity, and UPF entity, remote PDN gateway.
[0055] The implementation process of the 5G core network method described in this embodiment includes:
[0056] (1) The UE sends a session establishment request to the core network AMF entity, and the DNN information carried in the request is the DNN information supporting the N6 interface MPTCP proxy.
[0057] (2) The AMF entity selects an SMF entity that can provide services for the UE based on the request made by the UE.
[0058] (3) The SMF entity initiates a session policy request process, and requests the session policy information of the target session to the PCF entity, and the session policy information includes the DNN information supporting the N6 interface MPTCP agent, the wo...
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Abstract
Disclosed are 5G core network equipment and method supporting PDN link optimization, which relate to the technical field of mobile communications, are implemented on the basis of an AMF entity, a UDM entity, a PCF entity, an SMF entity, a UPF entity and a remote PDN gateway. The specific process comprises: a UE sending a session establishment request carrying DNN information to the AMF entity; the AMF entity selecting an SMF entity according to the request; the SMF entity initiating a session policy request and requesting session policy information of a target session from a PCF entity; the PCF entity issuing session policy information to the SMF entity; the SMF entity judging whether the requested DNN information supports an N6 interface MPTCP proxy or not, if yes, the SMF entity continuing to judge whether the session policy information carries a correct MPTCP proxy working mode and priority or not, and initiates a session establishment or modification process carrying an MAR rule cell to the UPF entity; the UPF entity analyzing the MAR rule cell and configuring an MPTCP proxy entity function; and after the session is established, the UPF entity successfully establishing MPTCP proxy connection with the remote PDN gateway. According to the invention, a plurality of PDN link quality optimization functions can be realized.
Description
technical field [0001] The invention relates to the technical field of mobile communication, in particular to a 5G core network device and method supporting PDN link optimization. Background technique [0002] The 5G network can provide users with differentiated network capabilities based on business needs, including features such as large bandwidth, low latency, and wide connectivity. With the maturity of 5G network technology, 5G network deployment in areas with difficult coverage, emergency communication applications and 5G proprietary network deployment scenarios. In this scenario, how to deploy 5G network capabilities with low cost and high quality becomes the key to the large-scale promotion of 5G proprietary networks. [0003] Broadbandsatellite communication has gradually become an indispensable means to realize global seamless personal communication and high-speed internet access in the air. With the gradual evolution of satellitebroadband network access technol...
Claims
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Application Information
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