UAV Subscription Information for Network Service Differentiation
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Solution Overview
Problem
Current wireless communication systems lack the ability to provide tailored services to unmanned aerial vehicles (UAVs) due to limited information about their type and purpose, which restricts the network's capacity to prioritize and manage UAVs effectively.
Innovation Solution
The system provides additional subscription information about UAVs, such as their type and purpose, to the radio access network (RAN), allowing for tailored services and priority management based on the specific use case, e.g., emergency or commercial drones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the network provides generic services to all user equipment without differentiation, then the system complexity is reduced and ease of operation is improved, but the adaptability to specific UAV types and missions deteriorates
Solution Approach 1:
The patent segments the user equipment into different categories by introducing a UE category indicator that identifies whether a UE is a UAV. This segmentation allows the network to apply different handling procedures for UAVs versus traditional ground-based UEs, enabling tailored services without requiring complete system redesign. The segmentation is implemented through subscription information stored in the core network that flags UAV-specific characteristics.
Solution Approach 2:
The patent applies local quality by introducing UE-specific parameters that provide localized information about individual UAVs, such as maximum takeoff weight, service priority, and mission type. These localized quality attributes allow the network to customize service delivery for each UAV based on its specific characteristics rather than applying uniform treatment to all UEs.
2Reliability
If the network collects and processes detailed subscription information about each UAV, then the service quality and reliability for UAVs is improved, but the information processing load and system complexity increase
Solution Approach 1:
The patent implements preliminary action by collecting and storing UAV subscription information in advance during the UE registration process. The core network (specifically the UDM - Unified Data Management) stores UAV-specific parameters such as maximum takeoff weight, service priority, and mission type before the UAV actually needs these services. This pre-collection approach ensures that when the UAV requests service, the network already has the necessary information to provide reliable, tailored service without requiring complex real-time data gathering.
3Loss of information
If the network differentiates between various UAV types with specific subscription information, then the service tailoring and mission-specific support are improved, but the loss of information about UAV characteristics deteriorates without this mechanism
Solution Approach 1:
The patent implements feedback mechanisms where the network continuously monitors and updates UAV subscription information. The UDM stores and manages UAV-specific parameters, and this information is fed back to the RAN (Radio Access Network) and other network functions to enable informed decision-making. The feedback loop ensures that the network maintains current information about UAV characteristics, mission types, and service requirements, preventing information loss while enabling adaptive service tailoring.
Data Source
AI summary
Certain aspects of the present disclosure provide techniques for UAV subscription information. An example method performed by a UE includes transmitting, to a first network entity, subscription information indicating that the UE is deployed as an aerial UE and additional information regarding the UE, and obtaining aerial service based, at least in part, on the additional information.