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20 June 2023 Directional polarization modulation method based on time-modulated vector array
Xuning Lv, Yougen Xu
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Proceedings Volume 12715, Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023); 127152H (2023) https://doi.org/10.1117/12.2682396
Event: Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023), 2023, Dalian, China
Abstract
In this paper, a directional polarization modulation method based on a time-modulated vector array is proposed for secure communication. The polarization state of the transmitted signal is used to represent the communication information to realize the directional polarization modulation in the desired direction. The vector antenna is divided into two sub-arrays. Each sub-array is controlled by a different time sequence to turn on the antenna. The correlation between the horizontal and vertical components of the polarization signal is destroyed. The communication direction is not affected, but the desired polarization state cannot be synthesized in the non-communication direction. The simulation results show that the desired polarization state is received in the communication direction, the polarization information of the signal in the non-communication direction is disturbed, and the information leakage from the time-modulated array due to sideband radiation is avoided.
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Xuning Lv and Yougen Xu "Directional polarization modulation method based on time-modulated vector array", Proc. SPIE 12715, Eighth International Conference on Electronic Technology and Information Science (ICETIS 2023), 127152H (20 June 2023); https://doi.org/10.1117/12.2682396
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KEYWORDS
Polarization
Antennas
Modulation
Switching
Switches
Modulation frequency
Phase shift keying
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