UAV Interference Control via Base Station Verification
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Solution Overview
Problem
Current communication systems lack effective solutions to control interference from unmanned aerial vehicles (UAVs) and similar terminals on cellular networks, leading to disruptions in base station operations.
Innovation Solution
A method and device that determine the presence of interference from UAVs or similar terminals, identify affected resource blocks, and send notification messages to adjacent base stations to verify the legality of using terminals, thereby reducing interference by reallocating resources or adjusting power levels based on terminal type and priority.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If interference control measures are implemented to reduce interference from UAVs, then network reliability is improved, but device complexity increases due to verification and coordination mechanisms
Solution Approach 1:
The patent introduces a verification mechanism where the second base station acts as an intermediary to verify terminal legality. When the first base station detects interference, it notifies the second base station, which then verifies whether the interfering terminal is legal or illegal. This intermediary verification approach improves network reliability by selectively targeting illegal terminals while avoiding unnecessary interference with legal ones, without requiring complex changes to the first base station's core functionality.
Solution Approach 2:
The patent implements a feedback loop where the second base station sends verification results back to the first base station. Based on this feedback, the first base station can determine whether to adjust resource blocks or transmission power. This feedback mechanism enables reliable interference control by continuously monitoring and responding to interference conditions, while keeping the system structure relatively simple through standardized feedback messages.
2Object-affected harmful factors
If resource blocks are adjusted to eliminate interference, then interference control effectiveness is improved, but resource utilization efficiency deteriorates due to potential over-restriction of legal terminals
Solution Approach 1:
The patent applies local quality by differentiating between legal and illegal terminals through verification. Instead of uniformly restricting all terminals that cause interference, the system verifies each interfering terminal's legality and applies interference control measures only to illegal terminals. This localized approach ensures that interference control effectiveness is maintained for harmful sources while resource utilization efficiency is preserved for legitimate users.
Solution Approach 2:
The patent dynamically changes resource allocation parameters based on terminal verification results. When an interfering terminal is verified as illegal, the system adjusts resource blocks and transmission power parameters to eliminate interference. When the terminal is legal, no parameter changes are made, allowing normal resource utilization. This conditional parameter adjustment resolves the contradiction by making interference control measures selective rather than universal.
3Measurement precision
If verification of terminal legality is performed, then precision of interference control is improved, but processing time increases due to additional verification steps
Solution Approach 1:
The patent employs preliminary action by having the second base station maintain pre-configured verification information for terminals. When interference notification is received, the verification process can quickly check against pre-stored data rather than performing comprehensive analysis from scratch. This preliminary preparation enables precise identification of illegal terminals while minimizing the time required for verification, as the decision logic is already established in advance.
Data Source
AI summary
A method for controlling interference includes that: in response to determining presence of interference from an unmanned aerial vehicle (UAV) or a terminal similar to a UAV, determining a target resource block, from all resource blocks for data transmission, which is interfered with by the UAV or the terminal similar to the UAV; generating a target notification message, the target notification message carrying resource block information of the target resource block and an interference indication identification, the interference indication identification being used to indicate that the interference comes from the UAV or the terminal similar to a UAV; and sending the target notification message to a second base station.