UAV Terminal Registration State Resolution via Network Feedback
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Solution Overview
Problem
Current systems for unmanned aerial vehicle (UAV) terminal registration in aerial services face challenges in re-registration when UAV services are enabled, leading to unclear states for both the UAV and network, as the UAV may not re-attempt registration after an initial rejection, resulting in potential service access issues.
Innovation Solution
A method and apparatus for managing network access that includes receiving UAV-related capabilities, discovering enabled UAV services, and transmitting a service status indication to facilitate re-registration of UAVs when aerial services are subscribed to, ensuring proper re-registration and access to UAV services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the AMF rejects the registration request with indication that UAS services are not allowed when aerial subscription is not enabled, then the UE is prevented from accessing UAS services, but the UE will never again try to access the network using CAA-Level UAV ID, leaving both the UE and the network in an unspecified state
Solution Approach 1:
The network provides feedback to the UE about its registration status and service availability. When aerial services become available, the network notifies the UE to re-register with CAA-Level UAV ID, creating a feedback loop that resolves the unspecified state problem and enables proper re-registration
Solution Approach 2:
The system transitions from a static rejection state to a dynamic state where the UE can re-register when services become available. The registration process becomes adaptive, allowing the UE to switch between normal UE mode and aerial UE mode based on network conditions and service availability
2Adaptability or versatility
If the UE registers to the network without providing the CAA-Level UAV ID after initial rejection, then the UE can access non-UAS services, but the UE cannot access UAS services even when they are enabled later
Solution Approach 1:
The UE performs preliminary registration as a normal UE to ensure basic network access and service availability. This preliminary action allows the UE to be in the network before aerial services are enabled, positioning it to quickly re-register with CAA-Level UAV ID when services become available
Solution Approach 2:
The UE autonomously determines when to re-register with CAA-Level UAV ID based on network notifications or local decisions. The UE serves itself by monitoring service availability and initiating re-registration when appropriate, without requiring manual intervention
Data Source
AI summary
There are provided measures for improvement of terminal registration processing for aerial services. Such measures exemplarily comprise, e.g. at a first network entity for managing network access, receiving information indicative of unmanned aerial vehicle related capabilities of a communication endpoint, discovering that unmanned aerial system related services are enabled for said communication endpoint, and transmitting, towards said communication endpoint, an unmanned aerial system service status initiated indication providing information in relation to a present registration of said communication endpoint to a network.