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Multidomain Narrowband Interference Intelligent Suppression Method Based on Cognitive Radio and MIMO in UAV Data Link
Xianquan Luo1, Ling You1, Junwei Lv2
1College of Artificial Intelligence, Yango University, Fuzhou, Fujian 350015, China.
Computational Intelligence and Neuroscience
|May 16, 2022
Summary
A novel intelligent method combats narrowband interference in unmanned aerial vehicle (UAV) control links. By coordinating space, time, frequency, and code diversity in cognitive multiple-input multiple-output (MIMO) systems, it enhances communication reliability.
Area of Science:
- Electrical Engineering
- Aerospace Engineering
- Signal Processing
Background:
- Unmanned aerial vehicle (UAV) communication links are susceptible to narrowband interference, compromising monitoring and control.
- Existing anti-interference methods may not sufficiently address complex interference scenarios in dynamic airspace.
Purpose of the Study:
- To propose an intelligent anti-narrowband interference method for UAV monitoring and control links.
- To enhance the robustness and reliability of UAV communication systems against interference.
Main Methods:
- Development of a cognitive multiple-input multiple-output (MIMO) airspace framework.
- Integration of perceptual technology, spread spectrum coding, and MIMO space-time coding.
- Coordination of space, time, frequency, and code domain diversity for interference mitigation.
Main Results:
- A multidomain anti-narrowband interference method based on cognitive radio MIMO (CR-MIMO) was conceptualized and modeled.
- Theoretical analysis and simulation experiments demonstrated effective countering of narrowband interference.
- The proposed method verified its effectiveness in enhancing UAV communication link performance.
Conclusions:
- The proposed intelligent method effectively mitigates narrowband interference in UAV control links.
- Coordinated multidomain diversity is crucial for robust UAV communication systems.
- The CR-MIMO approach offers a promising solution for reliable UAV operations.
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