Terminal and Network Element Processing for Private/Public Access
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Solution Overview
Problem
Existing technologies are unclear on how terminals access private and public communications networks separately, identify private communications networks, manage mobility and roaming, and determine network architecture for private communications networks, especially in 5G mobile communications systems.
Innovation Solution
A set of processing methods and network elements that facilitate the identification, access control, and mobility management of private communications networks by obtaining and determining relevant information, including private communications service capabilities and routing, to enable seamless access and mobility operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a terminal is provided with both private and public communications network access, then service versatility is improved, but network access control complexity increases
Solution Approach 1:
The patent segments network access control by separating private communications network access from public communications network access. The terminal maintains separate access control mechanisms for each network type, with the private network access controlled by network elements (AMF, SMF) and the public network access controlled by public network elements. This segmentation allows the terminal to access both networks without creating a single complex unified control system.
Solution Approach 2:
The patent introduces network elements (AMF, SMF) as intermediaries between the terminal and the communications networks. These network elements mediate the access control process by receiving access control information from the terminal, validating it against subscription data, and making access decisions. This intermediary approach simplifies terminal complexity by offloading access control logic to dedicated network functions.
2Measurement precision
If the terminal obtains detailed network information for access control, then access control precision is improved, but information processing complexity increases
Solution Approach 1:
The patent applies preliminary action by having the terminal obtain and store access control information in advance before actual network access is required. The terminal pre-obtains network information such as allowed network types, roaming permissions, and access control parameters, and stores them for later use during access control decisions. This eliminates the need for complex real-time information gathering during actual network access.
Solution Approach 2:
The patent implements feedback mechanisms where network elements provide access control information to the terminal, and the terminal feeds back its access control status and network information to the network elements. This iterative feedback process ensures precise access control while managing information processing complexity through structured information exchange protocols.
3Adaptability or versatility
If mobility control information is implemented for private communications networks, then mobility management capability is improved, but network element complexity increases
Solution Approach 1:
The patent applies universality by designing network elements (AMF, SMF) to perform multiple functions including access control, mobility management, and session management. These network elements are configured to handle both private communications network access and public communications network access, as well as support mobility operations such as roaming and handover. This multi-functionality reduces the need for separate dedicated systems for each function.
Data Source
AI summary
A processing method, a terminal and a network element are provided, and the method includes: obtaining first information, where the first information includes at least one of the following: information of a private communications service, mobility control information, and routing information of an upper-layer application; and determining a network access operation based on the first information.