Cross-Network Paging With Public and Non-Public Network Identification
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Solution Overview
Problem
The challenge of efficient paging in multi-beam systems, particularly in scenarios involving both public and non-public networks, where user equipment (UE) may not be able to access non-public networks, is unresolved, leading to issues in network type identification and service capability determination.
Innovation Solution
A communication method and apparatus that enable a terminal device to receive and process paging messages with network type identification information, allowing it to determine the appropriate network for paging and perform necessary actions such as cell reselection and service capability assessment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the UE camps on a private network but receives a paging message from a public network, then the UE can be paged across network boundaries, but the UE cannot determine which network type the paging message belongs to without additional information
Solution Approach 1:
The patent introduces an intermediary information element (first information) within the paging message that acts as a mediator to convey network type identification. This intermediary element enables the UE to determine whether the paging message originates from a public or private network without requiring the UE to have prior knowledge or to switch networks, thus resolving the information loss while maintaining cross-network paging capability
Solution Approach 2:
The paging message is segmented into distinct components: control information for resource allocation and first information for network type identification. This segmentation allows the network type information to be independently conveyed without interfering with the core paging functionality, enabling the UE to process network identification separately while maintaining the overall paging mechanism
2Adaptability or versatility
If the UE supports both private and public networks, then the UE can access services in either network type, but the paging mechanism becomes complex when the UE moves between networks
Solution Approach 1:
The patent extracts the network type identification function from the complex paging mechanism by introducing a dedicated first information element. This extraction separates the identification task from the overall paging process, allowing the UE to handle network type determination as a distinct, simplified operation rather than as part of the complex multi-network paging logic
Solution Approach 2:
The network type identification information is provided in advance within the paging message itself, before the UE needs to make any network-related decisions. This preliminary provision of information allows the UE to immediately determine the network type upon receiving the paging message, avoiding complex real-time analysis when the UE is already in motion between networks
Data Source
AI summary
This application provides a communication method and a corresponding apparatus and system. The method includes: receiving, in a first network, a paging message that is from a first network device and that is used to page a first terminal device, where the paging message includes first information, and a network type of the first network is a first network type; and determining, based on the first information, a second network associated with the paging message that is used to page the first terminal device, where a network type of the second network is a second network type. The first network type is a non-public network and the second network type is a public network, or the first network type is a public network and the second network type is a non-public network. Cross-network paging between networks of different network types can be supported.