UE Mobility Control via Geographical Area Positioning
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Solution Overview
Problem
Current mobility restriction control methods in wireless communication systems are prone to erroneous judgments due to reliance on broadcast Tracking Area (TA) information, leading to incorrect restrictions on user equipment (UE) communication access, especially in satellite access scenarios where the actual TA of the UE may not be included in the broadcast TAIs, resulting in either unnecessary restriction or access denial.
Innovation Solution
The UE communication control method involves receiving mobility restriction information and geographical area information of the TA from the network device, determining its own position, and controlling communication based on this information to precisely manage access rights, rather than solely relying on broadcast TAIs, thereby improving the accuracy of communication control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mobility restriction control relies on broadcast Tracking Area (TA) information, then the control method is simple, but erroneous judgments occur leading to incorrect restrictions on UE communication access
Solution Approach 1:
The patent introduces geographical area information as an intermediary layer between the broadcast TA information and the mobility restriction control decision. The UE determines whether its actual geographical location falls within the restricted area by comparing its position with the geographical boundaries, rather than directly relying on TA information. This intermediary comparison mechanism resolves the contradiction by maintaining operational simplicity while improving control accuracy.
2Ease of operation
If the UE uses broadcast TAIs to determine mobility restriction, then the process is straightforward, but the actual TA of the UE may not be included in the broadcast TAIs causing access denial or unnecessary restriction
Solution Approach 1:
The patent transitions from a one-dimensional TA identification approach (comparing TAIs) to a two-dimensional approach by introducing geographical area information with spatial boundaries. The UE determines mobility restriction by checking whether its geographical position falls within the restricted area boundaries, rather than relying solely on TAI matching. This dimensional expansion resolves the accuracy issue while maintaining procedural simplicity.
3Ease of manufacture
If mobility restriction control is based on TA information matching, then the implementation is easy, but erroneous judgments lead to either unnecessary restriction or access denial
Solution Approach 1:
The patent introduces geographical area information as an intermediary verification layer between TA information and mobility restriction control decisions. The UE compares its actual geographical position with the restricted area boundaries to determine whether restriction applies, rather than relying directly on TA information matching. This intermediary mechanism maintains implementation ease while significantly improving control accuracy by providing a more reliable determination basis.
Data Source
AI summary
A UE communication control method includes: receiving mobility restriction information and geographical area information of a tracking area (TA) from a network device; determining position information of a position where UE is located; and controlling a communication between the UE and the network device according to the position information of the UE, the mobility restriction information, and the geographical area information of the TA.