基于遗传算法的OAM通信系统干扰方法

IF 2.2 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Physical Communication Pub Date : 2025-09-20 DOI:10.1016/j.phycom.2025.102835

Yin Dang, Deyu Li, Yusheng Fu, Yi Liao

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引用次数: 0

摘要

轨道角动量波束的波前是螺旋形的，这使得轨道角动量波束的解调方法不同于平面波的解调方法。因此，OAM通信系统可以固有地抵抗平面波干扰。OAM波的这种抗干扰特性使其成为无线通信中一种重要而有效的技术。传统的干扰技术无法对其接收机进行干扰。为了干扰OAM模式频谱，通过优化阵列框架，提出了一种基于遗传算法的干扰方法。为了克服OAM波束的抗干扰性，建立了干扰模型，优化了阵元位置，产生伪OAM信号，迷惑OAM接收机。此外，提出了一种改进的方法，该方法将阵元的初始相位作为优化目标来干扰接收机。最后，对误码率（BER）性能进行了评估，进一步验证了该干扰方法的有效性，这是传统干扰方法无法获得的。

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A jamming method for OAM communication system using genetic algorithm

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.

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来源期刊

Physical Communication ENGINEERING, ELECTRICAL & ELECTRONICTELECO-TELECOMMUNICATIONS

CiteScore

5.00

自引率

9.10%

发文量

212

审稿时长

55 days

期刊介绍： PHYCOM: Physical Communication is an international and archival journal providing complete coverage of all topics of interest to those involved in all aspects of physical layer communications. Theoretical research contributions presenting new techniques, concepts or analyses, applied contributions reporting on experiences and experiments, and tutorials are published. Topics of interest include but are not limited to: Physical layer issues of Wireless Local Area Networks, WiMAX, Wireless Mesh Networks, Sensor and Ad Hoc Networks, PCS Systems; Radio access protocols and algorithms for the physical layer; Spread Spectrum Communications; Channel Modeling; Detection and Estimation; Modulation and Coding; Multiplexing and Carrier Techniques; Broadband Wireless Communications; Wireless Personal Communications; Multi-user Detection; Signal Separation and Interference rejection: Multimedia Communications over Wireless; DSP Applications to Wireless Systems; Experimental and Prototype Results; Multiple Access Techniques; Space-time Processing; Synchronization Techniques; Error Control Techniques; Cryptography; Software Radios; Tracking; Resource Allocation and Inference Management; Multi-rate and Multi-carrier Communications; Cross layer Design and Optimization; Propagation and Channel Characterization; OFDM Systems; MIMO Systems; Ultra-Wideband Communications; Cognitive Radio System Architectures; Platforms and Hardware Implementations for the Support of Cognitive, Radio Systems; Cognitive Radio Resource Management and Dynamic Spectrum Sharing.