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A jamming method for OAM communication system using genetic algorithm
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DOI：10.1016/j.phycom.2025.102835.png)
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Abstract
En 中文
The wavefront of an Orbital Angular Momentum (OAM) beam is spiral, which makes its demodulation methods differ from those of a plane wave. Thus, the OAM communication system can inherently resist plane wave jamming. This anti-jamming characteristic of the OAM wave has made it an important and effective technique in wireless communication. Traditional jamming techniques are unable to interfere with its receiver. To disrupt the OAM mode spectrum, a genetic algorithm (GA)-based jamming method is proposed by optimizing the array framework. To overcome the jamming immunity of an OAM beam, the jamming model is built, and the positions of the array elements are optimized to generate a fake OAM signal to confuse the OAM receiver. In addition, an improved method is proposed in which the initial phases of the array elements are set as optimization objectives to interfere with the receiver. Finally, the bit error rate (BER) performance is evaluated to further validate the effectiveness of the proposed jamming method, which cannot be obtained using traditional jamming methods.
Keywords:
Orbital angular momentum (OAM)
Genetic algorithm (GA)
Array optimization
Secure communication
Jamming
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2.2
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363
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2.6K
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