Terminal Access Processing for Private-Public Network Mobility
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Solution Overview
Problem
Existing communication technologies fail to clearly identify private communications networks for vertical industries, manage network type permissions for upper-layer applications, define mobility and roaming ranges, and establish a clear overall architecture for integrating private and public communications networks.
Innovation Solution
A set of processing methods and network elements that facilitate the identification of private communications networks, manage network access and mobility, and determine network element selection by obtaining and utilizing specific information related to private communications services and capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If terminals access both private and public communications networks, then communication flexibility is improved, but network access management complexity increases
Solution Approach 1:
The patent segments network access management by introducing separate identification mechanisms for private communications networks (PCN ID) and public communications networks (PLMN ID). The terminal independently manages PCN access information and PLMN access information, allowing selective access to private or public networks based on service requirements without confusion between network types.
Solution Approach 2:
The patent introduces network identification information as an intermediary element that mediates between the terminal and network elements. This identification information includes PCN ID for private networks and PLMN ID for public networks, serving as a clear discriminator that enables the terminal to correctly identify network types and apply appropriate access management policies.
2Measurement precision
If clear network identification is implemented, then network selection accuracy is improved, but information management complexity increases
Solution Approach 1:
The patent applies local quality by assigning specific identification characteristics to different network types. Private communications networks are identified by PCN ID with specific characteristics (non-IP type, LAN-type service), while public networks are identified by PLMN ID. This localized identification approach ensures accurate network differentiation without requiring complex unified identification schemes.
3Measurement precision
If mobility control information is provided to terminals, then mobility management precision is improved, but terminal processing complexity increases
Solution Approach 1:
The patent implements preliminary action by providing mobility control information to terminals in advance through network elements. The terminal receives information about allowed mobility areas, roaming permissions, and network selection preferences before actually accessing the network. This pre-provided information enables the terminal to make appropriate mobility decisions without requiring complex real-time processing.
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.