UAV Flight Mode Signaling for Adaptive Base Station Control
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Solution Overview
Problem
Current methods for controlling unmanned aerial vehicles (UAVs) via cellular networks lack flexibility, particularly when UAVs switch between fixed and dynamic flight modes, as they require different control strategies and cell handover processes.
Innovation Solution
The UAV sends mode switching information to a base station after switching from a first flight mode to a second flight mode, allowing the base station to adjust its control strategy accordingly, using random access procedures such as MSG3 or MSG5 to convey this information through RRCConnectionRequest or RRCConnectionSetupComplete signaling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the UAV switches between fixed and dynamic flight modes without notifying the base station, then the control strategy remains static and inflexible, but the base station cannot adapt its control approach to match the actual flight mode
Solution Approach 1:
The patent implements a feedback mechanism where the UAV sends mode switching information to the base station when transitioning between flight modes. This feedback loop ensures the base station is informed of the current flight mode and can accordingly adjust its control strategy, resolving the information asymmetry between the UAV and base station.
Solution Approach 2:
The UAV autonomously initiates the mode switching notification by sending the mode switching information to the base station without requiring external prompting. This self-service approach ensures that the control strategy can be dynamically adjusted based on the UAV's actual operational state.
2Ease of operation
If the base station uses a unified control strategy for all flight modes, then the control system is simple and easy to implement, but the control flexibility and precision are reduced when switching between flight modes
Solution Approach 1:
The patent introduces dynamic adaptability into the control system by enabling the base station to switch between different control strategies based on the received mode switching information. The control system transitions from a static unified approach to a dynamic mode-specific approach, improving flexibility while maintaining operational simplicity through automated strategy selection.
Solution Approach 2:
The base station changes control parameters and strategies based on the flight mode indicated by the mode switching information. Different control parameters are applied for fixed flight mode versus dynamic flight mode, allowing optimized control for each specific operational context while maintaining a unified system architecture.
3Productivity
If the UAV does not send mode switching information, then the communication protocol remains simple, but the base station cannot adjust control strategies timely during mode transitions
Solution Approach 1:
The UAV sends mode switching information to the base station in advance of any required control adjustments. This preliminary notification allows the base station to prepare and switch control strategies timely, ensuring continuous optimal control during mode transitions without requiring complex real-time detection mechanisms.
Data Source
AI summary
The present disclosure provides an information transmission method, device, system, and storage medium, and relates to the technical field of wireless communication. The method includes: sending by an unmanned aerial vehicle mode switching information to a base station, after the flight mode is switched from a first flight mode to a second flight mode; and receiving by a base station the mode switching information sent by the unmanned aerial vehicle, wherein the mode switching information is configured to indicate that the flight mode of the unmanned aerial vehicle has been switched from the first flight mode to the second flight mode.